仁爱版初三英语上册全册教案2

详细内容

fortable and unpleasant
e. trying to solve
(抽查几名同学，检测复述情况。教师作点评。)
Step 4 Practice 第四步 练习(时间:10分钟)
将1a中与噪音污染有关的内容，与现实结合，引导学生列举噪音污染的各种来源，并提出处理意见。
1. (教师用课文中的噪音污染来启发学生找出身边的噪音污染。)
T: We have learnt noise is a kind of pollution. What cause noise pollution around us?
(让学生分组讨论，教师引导学生说出身边的噪音污染。)
S1: The students in the next room are knocking on the desk.
S2: Some students are talking loudly in the classroom.
S3: Someone is typing the keyboard strongly.
S4: Some people answer the telephone call aloud.
S5: …
2. (教师在列出噪音污染的各种来源后，引导学生提出解决问题的方法，从而培养学生的环保意识。)
T: Everyone knows noise pollution is harmful to our ears. But how can we solve these problems?
S6: Talk to each other in a low voice.
S7: Try to find a proper place to answer the telephone.
S8: Type the keyboard softly.
S9: Find a proper place and proper time to enjoy music.
S10: …
Step 5 Project 第五步 综合探究活动(时间:5分钟)
提出两种不同方案（可任选其一），通过小组活动，采取调查的方式加强学生的环保意识，完成2。
1. (通过本节课的学习，让学生认识到噪音污染的来源及其危害。并通过学生的小组活动，即调查各种各样的噪音污染，更加有效地改善环境，加强学生的环保意识。)
T: Make a survey in groups about the noise pollution. Before you do it, I’d like to say something about noise pollution in our school, in my home and neighborhood.
(通过教师的示范，降低练习难度。)
T:In our school there is noise pollution everywhere … And in my home, my son likes NBA games, and he often keeps the TV in a high volume … And in some public places, people speak loudly…
Discuss in groups and fill out the form.
Place
NameAt schoolAt homeIn other public places
S1
S2
S3
2. (让学生根据调查表进行报告。)
T: Please report your work to the class.
3. (小组活动，四人一组，引导学生思考并讨论他们身边实际存在的各种类型的污染及其危害，并由一名小组成员记录整理，最终以书信的形式将问题反映到报社。完成2。)
T: Work in groups of four, think about what kinds of pollution we have in our hometown and discuss the bad effects caused by them. Write them down and mail it to the newspaper after school.
4. Homework:
Write a letter to an editor aording to the report.
Example:
Dear editor,
I’m writing to you because …

板书设计：
Pollution is harmful to people’s health.
Section C
a kind ofbe harmful to …
go deafdo harm to …
Noise is also a kind of pollution and is harmful to humans’ health.
… many teenagers in America can hear no better than 65-year-old people do.

Section D
The main activities are 1a和3. 本课重点活动是1a和3。
Ⅰ. Teaching aims and demands 教学目标
1. Learn some new words:
create, industry, blood
2. Review direct speech and indirect speech:
(1) Mrs. Zhou said that she was feeling even worse.
(2) The journalist asked Mrs. Zhou if/whether she was feeling better then.
(3) The journalist asked what the environment around that place was like.
3. Review some kinds of pollution and the problems caused by them.
Ⅱ. Teaching aids 教具
图片/录音机/小黑板
Ⅲ. Five-finger Teaching Plan 五指教学方案
Step 1 Review 第一步 复习(时间:2分钟)
复习噪音污染，巩固Section C。
T:Is noise a kind of pollution?
Ss:Yes.
T:What can cause noise pollution?
S1:The machines in some factories.
S2:Planes.
S3:Loud pop music.
S4:Cars.
S5:The traffic.
S6:…
T:Please list some other kinds of pollution around us.
Ss:Air pollution, light pollution …
T:OK, this lesson, let’s talk about the harm that the pollution causes.
Step 2 Presentation 第二步 呈现(时间:15分钟)
利用图片，设置对话，重现不同种类的污染，导入生词，呈现1a。
1. T:Many things making loud noise can cause noise pollution. What problems does noise pollution cause?
S1:Noise pollution can cause hearing loss.
S2:It makes people sick or bee deaf.
S3:It also makes people unfortable and unpleasant.
T:Yes, too much noise can cause high blood pressure as well.
(教师板书新词并释义，且要求掌握blood；理解pressure。)
blood, pressure
2. T: Noise pollution is harmful to people. But it’s not the only kind of pollution in our world. Do you know any other kinds of pollution? Let’s look at this picture.
(教师展示图片一。)
T:What kind of pollution is it?
Ss:Soil pollution.
T:That’s right. What causes soil pollution?
S4:People use too many chemicals in their fields.
T:So they destroy the soil.
(教师板书，释义并要求学生理解。)
destroy
(教师展示图片二。)
T:Look at this picture. What kind of pollution is it?
Ss:Litter.
T:Yes. There’s a pile of rubbish here. It makes our environment dirty.
(教师展示图片三。)

T:(指着图片中的浓烟。)What kind of pollution is it?
Ss:Air pollution.
T:Yes. What creates air pollution?
(板书并讲解，且要求学生掌握。)
create
Ss:Burning coal.
T:With the development of industry, air pollution is being more and more serious.
(板书并讲解，且要求学生掌握。)
industry
(教师展示图片四。)

T:Look at the picture. What kind of pollution is it?
Ss:Light pollution.
T:Yes. Look at the strong and changeable light. It’s bad for eyes.
3. T:From the pictures, we know pollution is bad for our health in many ways. If there is no pollution on the earth, what will the earth be like?
(板书并讲解。)
in many ways
Ss:Maybe our earth will be greener and more beautiful.
T:Yes. We should protect our pla from now on. OK, let’s read 1a and fill in the blanks with the proper forms of the words and phrases above.
(学生用所给的单词和短语的正确形式填空，师生核对答案。)
4. (学生再次阅读1a，找出重点和疑难点，教师讲解。)
Step 3 Consolidation 第三步 巩固(时间:8分钟)
完成1b，拓展1a，利用小组讨论的形式，引导学生认识不同污染的危害并提出处理建议。
1. (听录音，跟读1a。)
T: Listen to the tape of 1a, and read after it.
(让学生再读1a，完成1b。)
T: Read 1a again, then fill out the table in 1b.
(核对答案。)
2. (学生分组讨论。)
T:There’re so many kinds of pollution around us. How do they effect on our environment or health? And how can we deal with them? Discuss in groups of four.
S1:Air pollution causes sore eyes and breathing problems. We had better pull down the polluting factories.
S2:Litter makes our environment dirty. We should throw the rubbish into the dustbin.
S3:Noise pollution can make people deaf. We should make some rules to stop it.
S4:…
(教师总结。)
T:Let’s try our best to be greener people, OK?
Ss:OK!
Step 4 Practice 第四步 练习(时间:15分钟)
采用对话及练习的方法，巩固2a与2b。
1. (教师通过复习西山的污染来练习2b的句子。)
T:(教师展示Section A，1a中的第二幅图和Section B，1a中的图。)
What can you find in the pictures?
S1:There is water pollution. The fish have gone.
S2:There are several chemical factories pouring waste water into the stream.
S3:There is noise pollution. Mrs. Zhou can’t sleep well.
S4:…
T:Oh, my goodness! Does Kangkang still want to have the piic there?
Ss:Of course not.
T:Does Mrs. Zhou still want to live there?
Ss:No, she will manage to leave there.
(复习2b，听录音并跟读。)
T:Now let’s listen to the tape of 2b, and read after it.
(教师讲解并强调这些功能用语。)
2. (复习2a，巩固直接引语与间接引语的用法，完成练习。)
T: Because of the pollution on the West Hill, a journalist interviewed the old lady. What did the journalist ask the old lady? Do you still remember?
Ss:Yes.
S5:He asked the old lady if …
T:What was the old lady’s answer?
S6:She said that …/She told the journalist …
(继续上面的问答，练习2a的句子。)
3. T:Look at the small blackboard, please retell the following sentences with indirect speech within two minutes.
(小黑板呈现练习题。)
(1)Kangkang said, “The fish have gone.”
(2)Jane asked the old lady, “Have you seen a doctor?”
(3)The teacher asked, “What does noise pollution cause?”
Step 5 Project 第五步 综合探究活动(时间:5分钟)
利用有关污染的图片，开展小组活动，并以“保护环境做绿色使者”为主题设计墙报；课后完成命题作文。
1. (教师收集一些有关污染的图片。让学生描述图片中的污染属于哪一种。然后学生分组讨论污染所带来的影响。做一个各类污染及其危害的墙报，号召人们成为环保人，完成3。)
T: Look at these pictures, and discuss in groups about different kinds of pollution and the harm caused by them. Then make a wall newspaper to call on people to be greener persons.
2. Homework:
Write an article. The title is “My Ideal School” or “My Ideal City”.
(板书设计)
Pollution is harmful to people’s health.
Section D
in many waysBurning gas, oil and coal creates air pollution.
with the development of industryWith less pollution, our pla will bee…
high blood pressure
effect on our environment

Topic 2 All these problems are very serious.
Section A
The main activities are 1a and 2. 本课重点活动是1a和2。
Ⅰ. Teaching aims and demands 教学目标
1. Learn a new word and some phrases:
as a result, behavior, in the beginning, day by day, die out
2. Learn some useful sentences:
(1)As a result, air pollution has bee a serious problem.
(2)Humans have e to realize the importance of protecting animals.
3. Learn the indefinite pronoun and adverb:
(1) None of us likes pollution.
(2) Don’t spit anywhere in public.
(3) Everyone should care for wild animals and plant more trees.
4. Learn the importance of protecting the environment.
Ⅱ. Teaching aids 教具
有关污染的和学生不文明行为的教学图片/小黑板/录音机/警示标语
Ⅲ. Five-finger Teaching Plan 五指教学方案
Step 1 Review 第一步 复习(时间:7分钟)
复习污染的类型及其危害，教师创设一个空气污染的情境，引入本课话题。
1. (教师收集一些有关污染的图片，让学生说出它们分别属于哪种污染，有何危害并提出解决建议。)
T:What kind of pollution is it?
Ss:It is noise pollution.
T:What harm can it cause?
S1:It can disturb others and make people feel unfortable and unpleasant.
S2:It does great harm to people’s hearing. It can even make people sick or deaf.
T:How should we solve this problem?
S3:Don’t always listen to loud pop music.
…
(学生可以在教师帮助下回答。)
2. (教师创设一个空气污染的情境，引入本课话题。例如：教师一边拍身上的灰尘，一边咳嗽着走进教室，然后描述。)
T:It is too dirty and there is too much heavy smoke outside. I can’t stand it.
Ss: Is it air pollution?
T: Yes, it is.
Step 2 Presentation 第二步 呈现(时间:10分钟)
展示1a的图片，导入新课，呈现本课生词和词组。讲解不定代词和不定副词的用法。教育学生必须保护环境。
1. (教师展示1a的图片，导入新课。)
T:Do you like the environment here?
Ss:No, we don’t.
T:Why?
Ss:Because there is too much smoke.
T:Yes. We should stop burning coal. It is said that China has bee the world’s largest producer and user of coal. As a result, air pollution has bee a serious problem.
(板书并要求学生掌握。)
as a result
T: Now our government has realized the importance of protecting the environment.
(板书并要求学生理解。)
importance
T: We should do something useful to protect the environment, too.
(板书并解释something是不定代词，其修饰语要放在它后面。)
something useful
2. (播放1a录音，让学生带着问题去听。)
T: Listen to the tape, and answer the questions on the small blackboard.
(出示小黑板。)
(1)What’s the article about?
(2)What should we do as students?
(核对答案。)
3. (男女生分角色朗读。)
T: Let’s read 1a together. Boys―Kangkang and girls―Michael.
4. (让学生再读1a，试着找出1a中的不定代词或不定副词，以及一些疑难点。)
T: Read 1a again, and try to find the indefinite pronouns or adverbs.
Step 3 Consolidation 第三步 巩固(时间:8分钟)
阅读1a，完成1b，开展分组活动加深对文章的理解，增强学生的环保意识。
1. (让学生齐读对话，巩固1a并完成1b。)
T: Now, let’s read this dialog together again, and then try to answer the questions in 1b as quickly as you can.
(核对答案。)
2. (让学生分组活动, 仿照1a编写对话，以达到学以致用的目的。)
T: OK, please work in pairs. Try to make a new dialog with your partner aording to the dialog in 1a. Then I’ll ask some pairs to act out your own dialog in the front of the classroom.
Example:
S1:Hi, S2, what are you doing now?
S2: I’m reading a book.
S1: What’s it about?
S2: It’s about the environment in the world. It says that our environment is getting worse and worse. And the pollution has been the most serious problem in the world.
S1: Yes. But it’s lucky that lots of governments have done something useful for the protection of environment.
S2: It’s known that nobody likes pollution. But what should we do as students?
S1: I think, first, everyone should try to protect the environment around us and we shouldn’t spit or throw the rubbish here and there. We should protect the wild animals and plants.
S2: That’s right, we should do as much as possible to protect our earth.
Step 4 Practice 第四步 练习(时间:15分钟)
教师利用图片作引导，呈现部分生词和词组。让学生独立完成2，然后听录音，完成3。并通过练习，分析不定代词和不定副词在句中的作用，总结它们的用法。
1. (教师展示多幅有关学生不文明现象的图片。)
T:Environment is very important to us. How about the environment of Kangkang’s school? Let’s look at the pictures.

T:(指着第一幅图中的男生。) Is he polite or impolite?
Ss:Impolite.
T:Yes. He is rude.
(板书并要求学生理解。)
rude
2. (让学生观察图片，然后分组讨论图中人物的行为是否正确。)
T:Are their behaviors good or bad?
(板书并要求学生掌握。)
behavior
Ss:Bad.
T:I agree with you. What should we do then? We should make rules to change the situation. Perhaps it’s hard for us to follow the rules in the beginning. But you will get used to them later on and our school will bee better and better day by day.
(板书并要求学生掌握。)
in the beginning, day by day
T: Discuss in groups of four, then give a report.
(小组选代表汇报。)
3. (教师让学生用不定代词或不定副词完成这封信，完成2。)
T: Here is a letter from Kangkang. Is the environment of his school good or bad? What did he say in the letter? Please read 2. Choose the proper words to fill in the blanks.
(教师与学生核对答案。让学生认真地读这封信，分析不定代词和不定副词在句中的作用。引导学生总结出不定代词/副词的用法。)
4. (教师用图片作引导，让学生对新的语法进行训练，达到学以致用的目的。)
(展示一系列有标语的图片。)
T:We know we should protect the environment. As students, what should we do? To answer this question, you should use the indefinite pronouns or adverbs in your sentences.
(教师可做适当的引导。)
S1: None of us should step on the grass.
S2: Don’t throw rubbish everywhere.
S3: Nobody should pick the flowers.
S4: Don’t spit anywhere.
S5: Everyone should care for animals.
T: Yes, you are right. We should do everything we can to protect the environment.

5. (听录音，完成3。)
T:In the past, people killed animals for their meat and skins. Now some kinds of animals are being fewer and fewer. And some animals are in danger of dying out pletely.
(板书并要求学生掌握。)
die out
T: Listen to the tape and finish 3.
(教师与学生核对答案，然后解释语言点。)
Step 5 Project 第五步 综合探究活动(时间:5分钟)
让学生调查周围的人，有哪些行为对保护环境是不利的，应如何解决，写一份调查报告。然后讨论作为一名中学生应该和不应该做什么，以此制定一份班级或学校规则来增强学生的环保意识。
1. T: Make a survey.
(让学生调查周围的人，有哪些不良的行为，应如何解决。)
Bad behaviorSolution

2. Homework:
Make some class rules or school rules about protecting environment.
板书设计：
All these problems are very serious.
Section A
as a resultBut the government is doing something useful to protect the environment.
something usefulNone of us likes pollution.
in the beginningDon’t spit anywhere in public.
day by dayEveryone should care for wild animals and plant more trees.
die outWe should do everything we can to protect the environment.

Section B
The main activity is 1a. 本课重点活动是1a。
Ⅰ. Teaching aims and demands 教学目标
1. Learn some new words and phrases:
sand, cut down, change into, prevent, prevent … from, human being, although, law, turn off
2. Learn some useful sentences:
(1) I couldn’t see anything, and my face hurt while I was walking down the street just now.
(2) Pass laws against water pollution.
(3) Remember to turn the tap off when you leave.
3. Continue to learn the indefinite pronoun and adverb.
4. Learn to talk about pollution and its harm.
Ⅱ. Teaching aids 教具
幻灯片/录音机/图片
Ⅲ. Five-finger Teaching Plan 五指教学方案
Step 1 Review 第一步 复习(时间:5分钟)
通过方格游戏，来复习不定代词和不定副词的用法。
(让同桌两人做一个3×3的方格，将上节课Section A中2的10个不定代词(everyone和everybody任选其一)放入方格中。教师事先准备九道练习题，答案就是方格中的九个不定代词。教师将这些习题逐一呈现出来，同桌两人抢圈答案，谁抢到的多谁获胜。在此过程中，教师每呈现一题就要核对一次答案。)
(供参考)
(表格及习题如下：)
noneothersomething
everyone everybodynobody
anything
everywhereanybodyothers
(1) None of us knows how to stop the bad behavior.
(2) I knocked on the door but nobody answered.
(3) Some of these books are better than others.
(4) She was driving the car with one hand and wiping the window with the other.
(5) It’s a good car but I am looking for something faster.
(6) You can’t believe anything she says.
(7) There’re 5 000 people living here and almost everyone/everybody has his/her own car.
(8) He’s cleverer than anybody I know.
(9) I’ve looked everywhere but I can’t find it.
Step 2 Presentation 第二步 呈现(时间:15分钟)
通过多媒体呈现1c中的图片，创造情景对话，呈现新单词和词组，学习1a。
1. (呈现1c中的图片，学习新词汇。)
T:Look at these pictures then tell me your feelings. First look at Picture 2.
T:(指着第二幅图。) Is the scenery beautiful?
Ss:Yes.
T:OK. Let’s look at Picture 4. Is it beautiful?
Ss:No.
T:What has happened to the forest?
Ss:It has gone.
T:Yes. People have cut down too many trees.
(板书并要求学生掌握。)
cut down
T:Please look at Picture 1. A lot of earth has been washed away. Why?
Ss:Because people have cut down …(教师引导学生回答。)
T:That’s right. Trees can prevent the water from washing the earth away.
(板书并要求学生掌握。)
prevent…from=stop…from
T:Let’s look at Picture 3. Oh, my goodness! The forest has changed into desert.
(板书并要求学生掌握短语change into；理解desert。)
change into
desert
T:Please look at Picture 5. What’s the weather like?
Ss:It’s bad.
T:Yes. The wind is blowing strongly with lots of sand. We call it sandstorm.
(板书并要求学生掌握sand；了解sandstorm。)
sand
sandstorm
T:Is cutting down trees good or bad for us?
Ss:It’s bad.
T:Yes. It’s harmful not only to human beings, but also to animals and plants.
(板书并要求学生理解。)
human being
T:So what can we do to protect the environment? Discuss in groups of four.
(给学生两分钟，让他们讨论。)
S1:Plant more trees.
S2:Stop cutting down trees.
S3:…
T:Good idea. Although we have done a lot to protect the environment, it’s still not enough. Let’s work harder.
(板书并要求学生掌握。)
although
2. (让学生小组讨论完成1c。)
T: Do you know the relations between trees, human beings and sandstorms? Do you know how sandstorms e into being? Now please look at the pictures in 1c and number them.
(核对答案。)
3. (听1a录音回答问题。)
T:Just now we talked about how sandstorms e into being. Now listen to 1a, and answer the questions on the blackboard.
(板书)
(1) What’s the weather like today?
(2) What should we do to protect the environment?
(核对答案。)
4. (让学生分成小组，读1a，提出不懂之处。小组内讨论，解决各自提出的问题；最后全班共同讨论，解决遗留问题。用此方式可以让学生充分参与到教学过程中来，进行自主探究学习，教师做补充讲解。)
T: OK, please work in groups. Find and talk about the language points and difficult points, then I’ll ask some students to give their answers to class.
Step 3 Consolidation 第三步 巩固(时间:8分钟)
教师放1a录音，学生表演朗读，完成1b。让学生明白树木在环境保护中的重要性，增强环保意识。
1. (让学生跟读1a录音，并注意语音语调。)
T:Now, please read after the tape. Pay attention to the pronunciation and intonation.
2. (让学生三人一组表演这个对话，稍后检查活动成果。)
T:Please work in groups of three. After a while, I’ll ask several groups to act out this dialog.
G1: …
G2: …
3. (让学生看1b的图片，完成1b。)
T:Let’s look at the picture in 1b. Make notes of trees’ functions aording to 1a by yourselves.
(学生完成后，让学生一个接一个地把答案读出来。)
T:Please read your notes one by one.
S1:…
Step 4 Practice 第四步 练习(时间:10分钟)
教师展示一幅水被污染的图片，呈现2中的新词汇。让学生懂得怎样保护和节约水资源。
1. T:Now we know that a lot of water can be saved by forests. Why should we save water?
Ss:Because it is very important.
T:That’s right. Without water, we’ll die. So we should protect water.
(展示一条被工厂污染的河的图片，引出2中的新词汇。)
T:Look at the picture. Can people drink the water in the river?
Ss:No.
T:Why?
Ss:Because the water is too dirty.
T:What causes it?
Ss:Factories are pouring waste water into the river.
T:Yes. What can we do to stop it?
S1:Pull down the factories.
S2:Write to the newspaper.
S3:…
T:Yes. We can stop factories pouring waste water into rivers by cutting off their water supply. And we can also pass laws against it.
(板书并要求学生掌握。)
law
T: What other ways of protecting and saving water do you know? For example, remember to turn the tap off when you leave.
(板书turn off，要求学生掌握；板书tap，要求学生理解。)
tap
turn off turn on

2. T: Now, read 2 and discuss in groups of four.
(小组代表报告，教师板书总结。)
Step 5 Project 第五步 综合探究活动(时间:7分钟)
综合运用本课的语言项目，探讨水资源保护的相关问题；课后写一篇有关“保护和节约水资源”的短文，进一步增强学生的环保意识。
1. (让学生讨论如下问题，为写作做准备。)
T:OK. We know water is very important to human beings. Now please talk about the following questions:
(1)Why should we save water?
(2)What’s the importance of water?
(3)What’s the importance of saving water?
(4)How should we save water?
(讨论完后汇报结果。教师将关键词板书，以利于学生写作。)
2. Homework:
(1) Find out more information about water.
(2) Write a short passage with the title “Protecting and Saving Water”.
板书设计：
All these problems are very serious.
Section B
cut downI couldn’t see anything, and my face hurt while I was
change into desertwalking down the street just now.
human beingTrees can stop the wind from blowing the earth away.
although …/ … but …Pass laws against water pollution.
turn offRemember to turn the tap off when you leave.
prevent … from …=stop … from …

Section C
The main activity is 1a. 本课重点活动是1a。
Ⅰ. Teaching aims and demands 教学目标
1. Learn some new words and phrases:
on earth, period, millions of, take away, rise, level, refer to
2. Learn some useful sentences:
(1) When it rains or when the wind blows, the earth is taken away.
(2) The heat from the sun can’t escape so the temperature is rising.
3. Learn to talk about the harm of pollution:
(1) Forests have bee deserts, so more and more sorts of animals and plants are disappearing.
(2) As a result, many rivers and lakes are now dead.
(3) Too much harmful radiation from the sun passes through the hole and reaches the earth directly.
(4) It causes the level of the oceans to rise and the climate of the earth to change.
4. Develop the students’ sense of environmental protection.
Ⅱ. Teaching aids 教具
图片/小黑板
Ⅲ. Five-finger Teaching Plan 五指教学方案
Step 1 Review 第一步 复习(时间:4分钟)
通过检查作业，引导学生开拓思维，提出保护环境和水资源的具体措施，复习不定代词和副词。为学习新词汇作准备。
(检查作业，并找学生汇报结果，引导学生如何保护水资源。)
T:How do you protect our environment and save water?
S1:Everyone should plant more trees.
S2:We should do everything we can to save water.
S3:Everybody should know the importance of forests.
S4:Pass laws against water pollution.
S5:Collect and reuse waste water.
…
Step 2 Presentation 第二步 呈现(时间:18分钟)
教师通过日常对话，借助1a中的图片，创设情景，导入新课，呈现新的词汇。
1. (教师由日常对话，引出本课话题，呈现部分新词汇。)
T:What’s the weather like today?
Ss: It’s …
T:As we know, Beijing often has sandstorms in spring. What causes the bad weather?
Ss:Cutting down too many trees.
(展示1a第二幅图画。)
T:Yes. All over the world, people have cut down millions of trees. And trees bee fewer.
(板书并要求学生掌握。)
millions of
T:Cutting down too many trees causes the bad weather. How can trees affect the weather?
S1:They can keep water from running away.
S2:They can stop …
S3:…
T:Yes. Trees can stop the wind and water from taking the earth away.
(板书并要求学生掌握。)
take away
2. (继续探讨上述问题，引出新词汇。)
T:Anything else?
(如果没有学生回答，继续如下问题。)
T:What’s the air like in the forest?
Ss:It’s fresh.
T:Yes. Why?
Ss:(允许学生用汉语回答。)树能吸收二氧化碳并释放氧气。
T:That’s right. Trees can breathe in carbon dioxide and breathe out oxygen.
(展示1a第五幅图。)Please look at the picture.
(板书并要求学生理解。)
carbon dioxide: CO2
oxygen: O2
T:Where does CO2 e from?
S4:Animals’ breathing.
S5:Burning oil. For example, cars and buses.
T:Yes. They have polluted the air. Carbon dioxide in the air has increased a lot. This has formed a “blanket” around the earth.
(板书并要求学生理解。)
blanket
T:The heat from the sun can’t escape, so the temperature is rising.
(板书并要求学生掌握rise；理解escape。)
escape
rise
T:This is called “the greenhouse effect”.
(板书并要求学生理解。)
the greenhouse effect
T:What happens to the icebergs(冰川)?
Ss:Some parts of them change into water.
T:So it causes the level of the oceans to rise.
(板书并要求学生掌握。)
level
T:(展示1a第4幅图。)Please look at this picture. Around the earth, there’s a special kind of oxygen called “ozone”.
(板书并要求学生理解。)
ozone: O3
T:But now air pollution is destroying it and that has made a very big hole in the ozone layer.
(板书并要求学生理解。)
ozone layer
T:Too much harmful radiation from the sun passes through the hole and reaches the earth.
(板书并要求学生理解。)
radiation
3. (让学生快速阅读1a，用所给的词组填空。完成1a。)
T: We humans have lived on earth for only 35 000 years, but during this period we have changed our pla a lot in many ways. Now read the passage and then choose a proper title for each paragraph from the phrases above the passage.
(板书并要求学生掌握。)
on earth, period
(学生完成后与教师核对答案。)
4. (教师出示小黑板上的问题，让学生再读一遍课文后回答。)
(1) Have we changed our pla in many ways?
(2) Have people done good to the earth?
(3) Why are more and more sorts of animals and plants disappearing?
(4) Are many rivers and lakes dead now?
(5) Is ozone important to the earth? Why?
(6) Has carbon dioxide in the air increased a lot?
(让个别学生回答，完成小黑板上的问题。)
Step 3 Consolidation 第三步 巩固(时间:8分钟)
让学生再次读1a，完成1b，巩固本课的语言点，培养学生的阅读能力。
1. (让学生再次读课文，完成1b。)
T: Read the passage again. Finish 1b alone.
(板书并让学生猜测Mars和refer to的汉语意思。掌握refer to；了解Mars。)
Mars
refer to
(学生完成后，师生核对答案。)
2. (让学生齐读课文，保证每一个学生参与其中。)
T: Now please read the passage together.
3. (教师让学生讨论并找出新的或不懂的语言点，培养学生的自主学习能力。教师解释学生仍有疑惑的知识点并板书。)
4. (让学生两人一组讨论，完成下面的表格。)
T: How many kinds of pollution are mentioned in the passage? How do they affect our environment? Aording to 1a, finish the form on the blackboard.
(板书)
Kind of pollutionEffect


Step 4 Practice 第四步 练习(时间:10分钟)
使学生了解各种污染对地球环境的影响，培养他们的环保意识。
1. (让学生分组讨论，看哪组最快说出O3，CO2和温室效应的含义及其对环境的影响，并以此写一篇短文，完成2。)
T: Please read the passage again, discuss the meanings of the following expressions in 2 in groups of 4, and then write down how they affect the environment.
(学生讨论后，与教师核对答案。)
2. (根据给出的提示词写一篇小短文，可先口述。)
T: Write a short passage with the key words given.
(板书关键词。)
(1)change…in many ways
(2)important, destroy, too much, harmful radiation, cause cancer
(3)increase a lot, blanket, rise, change
(4)serious, do something
Step 5 Project 第五步 综合探究活动(时间:5分钟)
让学生讨论各种危害地球的污染方式，并就有关污染写一篇短文，培养学生综合运用语言的能力，增强学生的环保意识。
1. (到目前为止，污染危害地球的方式已基本介绍完毕，可以让学生做专题讨论，以锻炼他们组织语言的综合能力。在此过程中，鼓励学生大胆发挥，做最大程度的拓展性讨论。最后通过汇报，教师检验活动成果。)
T: OK, until now, we have learned so many kinds of pollution. Now please work in groups and discuss them. After a moment, I’ll ask some students to report it.
2. Homework:
Write an article about the pollution.
板书设计：
All these problems are very serious.
Section C
millions of …When it rains or when the wind blows, the earth is taken away.
take awayAs a result, many rivers and lakes are now dead.
refer toThe heat from the sun can’t escape so the temperature is rising.
It causes the level of the oceans to rise and the climate of the earth to change.

Section D
The main activities are 1a和4. 本课重点活动是1a和4。
Ⅰ. Teaching aims and demands 教学目标
1. Learn a new phrase:
take up
2. Learn some useful sentences:
(1) This harms the environment …
(2) At the same time, dealing with …
(3) Of all the garbage, about 35 percent can be recycled while the rest can’t.
(4) How shall we deal with it?
3. Review the indefinite pronoun and adverb:
(1) None of us likes pollution.
(2) Don’t spit anywhere in public.
(3) Everyone should care for wild animals and plant more trees.
(4) We should do everything we can to protect the environment.
4. Talk about the harm of rubbish.
5. Go on developing the students’ sense of environmental protection.
Ⅱ. Teaching aids 教具
图片/录音机/小黑板

Ⅲ. Five-finger Teaching Plan 五指教学方案
Step 1 Review 第一步 复习(时间:5分钟)
检查作业，然后通过师生对话，复习Section C的内容，为学习新词汇作准备。
1. (复习讨论Section C的综合探究活动，教师作总结。)
2. (教师通过复习上一课的内容为学习新词汇做准备。)
T: After learning Section C, we have known that many kinds of pollution affect our environment. How do factories affect our environment?
S1: They / Factories have polluted the land and the water.
S2: Factories make some rivers and lakes dead now.
S3:…
T: Very good. How do cars and buses affect our environment?
S4: They have polluted the air.
S5: They have caused noise pollution.
S6: …
T:How does cutting down too many trees affect our environment?
S7:Some forests have changed into deserts.
S8:More and more different sorts of animals and plants are disappearing.
S9:When it rains or when the wind blows, the earth is taken away.
Step 2 Presentation 第二步 呈现(时间:16分钟)
呈现1a，完成1b。培养学生的听说技能。
1. (教师展示有关垃圾的图片，导入1a，呈现新词汇。)
T:OK. Now let’s talk about another serious problem.
(教师展示1a中的图片。)
T:What’s in the picture?
Ss:Waste./Rubbish.
T:How do people deal with the waste?
Ss:Put it into the land.
T:So the waste takes up a lot of land and it does great harm to our environment.
(板书并要求学生掌握。)
take up
T:In fact, some of the rubbish can be recycled.
(板书并要求学生理解。)
recycle
T:So how shall we deal with the waste?
(板书)
How shall we deal with the waste?
Ss:(帮助学生用英语回答。)We can collect waste paper, soft drink cans, and so on. And then, sort them so that they can be recycled.
T: Every day, we produce lots of rubbish. Please listen to the tape and fill in the blanks in 1a first. Let’s learn about what trouble the waste brings us.
(学生听录音，完成1a。师生共同核对答案。)
2. (让学生再读1a，回答小黑板上的问题。)
T:Please read 1a again and find out the answers to the questions on the small blackboard.
(出示小黑板。)
(1) How much waste is put into the land in Britain?
(2) Is it easy to find new land to put rubbish in?
(3) Can all of the rubbish be recycled?
(核对答案。)
3. (让学生依据1a完成1b。)
T: Well done! Now let’s read 1a again and underline the sentences which have the same meanings as the ones in 1b, then finish 1b.
(核对答案。)
Step 3 Consolidation 第三步 巩固(时间:8分钟)
教师讲解短文中的语言点，然后让学生据此编写一个如何处理垃圾的对话。培养学生综合运用语言的能力。
1. (让学生跟读1a录音，并注意语音语调。)
T: Please read the passage after the tape, and pay attention to the pronunciation and intonation.
2. (教师讲解短文中的语言点并板书。)
T: Let’s look at the important points in 1a together.
3. (让学生讨论平时是如何处理垃圾的，并编一个与此内容有关的对话，完成后展示成果。)
T: Please discuss this problem: How can we deal with the garbage?
(板书并要求学生理解。)
garbage
Example:
S1: We produce garbage every day. It’s a serious problem. How do you deal with it?
S2: I often throw it in the river.
S1: Oh, you will pollute the water.
S2: Yes. Now I know I have polluted the environment, so I won’t do that again.
S1: How will you deal with the rubbish?
S2: I will collect some of the rubbish for recycling. And I’ll put the waste in a proper place.
S1: Everyone should protect the environment.
S2: OK. Let’s protect our environment together.
Step 4 Practice 第四步 练习(时间:10分钟)
以练习的形式复习不定代词和不定副词的用法，以及本话题的功能用语。完成2a，2b和3。
1. (复习不定代词/副词。)
T: We know, pollution is a serious problem. What should we do to protect the environment?
Here are some sentences about protecting environment. Please plete them with the
words in the box.
no one, nobody, none, everyone, everything, something, anything, everywhere
1. _____ should plant more trees.
2. We shouldn’t throw litter ______.
3. We can’t do ______ to harm our environment.
4. ______ of us likes water pollution.
5. They want to make ______ clean.
6. ______ can smoke here.
7. We should do ______ to protect our environment.
8. _____ likes air pollution.
(教师与学生核对答案，让学生齐读以上句子，复习不定代词/副词的用法。)
2. (教师放录音，学生跟读2a中的句子。)
T:Listen to the tape and repeat it. Please pay attention to the indefinite pronoun and adverb.
3. (教师放录音，让学生跟读2b中的句子，并用这些句中的语言点造句。)
T: Let’s listen to the tape and repeat it.
(学生读2b中的句子。)
T: Now, please make sentences with the language points in 2b.
Examples:
S1:Trees can stop the water from running away.
S2:We have e to realize that water is important to us.
…
4. (听3录音，完成3。)
Step 5 Project 第五步 综合探究活动(时间:6分钟)
把学生分为四组，让各组分别充当水，树，土地，空气，用英语叙述各自的优点及所面临的问题和自己的愿望。每组讨论后，做成海报。让学生意识到环境保护的重要性。
1. (把学生分成四组，即水小组，树小组，土小组和空气小组。)
T: Let’s do an activity in groups. Each group should have six students.
Group 1, you are Water Group.
Group 2, you are Tree Group.
Group 3, you are Soil Group.
Group 4, you are Air Group.
2. (让学生讨论自己小组的优点，面临的问题和愿望，然后在全班做个报告。完成4。)
T: Each group should discuss your own usefulness and the problems that you face and your wishes, then please give a report like the example in 4.
(学生讨论完毕后，师生一起分享活动成果――报告。)
3. Homework:
(根据活动的成果制作海报。)
T: Please make your posters with your results, then share it with your classmates.
Example:
Poster
I am soil. I help people grow food and build houses. But now people hurt me. Who can help me?
板书设计：
All these problems are very serious.
Section D
take upThis harms the environment …
At the same time, dealing with…
Of all the garbage, about 35 percent can be recycled while the rest can’t.
How shall we deal with it?

Topic 3 Would you like to be a greener person?
Section A
The main activities are 1a and 3. 本课重点活动是1a和3。
Ⅰ. Teaching aims and demands 教学目标
1. Learn some new words:
plastic, suppose, be supposed to do, nod, agreement, shake
2. Learn a useful sentence:
Everyone is supposed to do so.
3. Learn the pound sentences with “or”, “and”, “but” and “while”:
(1) Noise is a kind of pollution and it’s harmful to our hearing.
(2) The earth is beautiful but people hurt the earth now.
(3) Work hard, or you will fail the exam.
(4) She was busy cooking while they were watching TV.
3. Learn to talk about environmental protection.
Ⅱ. Teaching aids 教具
有关垃圾污染的多媒体图片或挂图/塑料袋、饮料瓶等实物/录音机/小黑板
Ⅲ. Five-finger Teaching Plan 五指教学方案
Step 1 Review 第一步 复习(时间:7分钟)
师生互动，复习上个话题的内容，培养学生的听、说能力，导入本课话题。
1．(检查作业，复习讨论污染的危害。)
T: We talked about the harm of pollution in last topic. And we know there are many kinds of pollution, such as water pollution, air pollution, light pollution, litter and so on. But do you know how these kinds of pollution affect our environment? Volunteers?
(教师以竞答的方式请学生回答。)
Example:
S1: Water pollution makes some animals dead.
S2: Water pollution makes some plants dead.
S3: People and animals can’t drink the water.
S4: Air pollution causes the greenhouse effect.
S5: Air pollution makes people sick and even causes cancer.
S6: Air pollution destroys the ozone layer.
…
T: Well done! You know, all kinds of pollution are polluting our environment. So we are facing the serious pollution problems. What should we do to improve our environment?
2. (学生分组讨论，然后回答。)
T: Please discuss in groups. Then make a report.
Group 1: Don’t spit here and there.
Don’t pick the flowers.
Plant more trees.
…
Group 2: Ask the government to make rules and pull down some chemical factories.
Ask people to save electricity.
…
T: Very good! You have so many good ideas. Would you like to do something useful to improve our environment?
Ss:Of course.
T: Me, too! OK, let’s be greener people together. Today, we’ll learn Topic 3―Would you like to be a greener person?
(导入1a。)
Step 2 Presentation 第二步 呈现(时间:14分钟)
利用图片或实物创设语言情景，呈现部分生词；并通过听录音回答问题等形式呈现1a，完成1b。
1. (教师用图片或实物引出本课的词汇和内容。)
T: If we want to be greener people, what should we do at home?
(教师展示图片。)
T:Is he a greener person?
Ss:No.
T:We should reuse plastic bags instead of throwing them away.(可出示一塑料袋帮助学生理解。)
(板书，让学生猜测其汉语意思，且要求掌握。)
plastic
(教师展示图片。)
T:Is it green?
Ss:No.
T:We should reduce using plastic bags.
(板书且要求学生理解。)
reduce
(教师展示图片或出示实物。)
T:What are these?
Ss:They are soft drink cans.
(教师帮助学生回答并板书，要求学生理解can。)
can
T: How shall we deal with them?
Ss:We should collect them for recycling.
(教师让学生看图片，帮助学生总结环保方面的知识。)
T: Now, we know we should reduce, reuse and recycle some things at home to protect our environment. We call them the three Rs.
(板书并要求学生理解the three Rs的含义。)
the three Rs―reduce, reuse and recycle
T:It is not hard for us to protect the environment. So we can encourage people around us to be
greener people. Would you like to do so?
Ss:Sure.
T:Protecting our environment is our duty. That is to say, everyone is supposed to do that. It means everyone should do that.
(板书并要求学生掌握。)
be supposed to do sth.
T: Now we know how to protect the environment at home. What can we do at school to protect the environment? Please listen to the tape, then find out the answer.
(教师放1a录音，让学生不看书回答问题。)
T:Can you find out the answer?
(师生共同核对答案。)
2. (让学生再听1a录音，回答小黑板上的问题，为完成1b做铺垫。)
T: Please listen to the tape again, then try to answer the questions on the small blackboard.
(展示小黑板。)
(1) Who is working for an anization that protects the environment?
(2) What’s her main job?
(3) Should we use both sides of paper?
(4) Why is the recycling useful?
(师生共同核对答案。)
Step 3 Consolidation 第三步 巩固(时间:10分钟)
通过跟读录音、两人对话、复述课文等形式巩固1a。
1. (让学生跟读1a录音并完成1b。)
T:Please read the dialog after the tape, then finish 1b.
(核对答案。)
2. (学生两人一组练习对话，然后抽查几组学生，以检验活动成果。)
T:Please work in pairs. Then I’ll ask some pairs to act it out.
3. (让学生再读1a，并找出关键词，为下步复述做铺垫。)
T: Please read the dialog again. Meanwhile, try to find the key words.
4. (让学生运用关键词复述1a，以检查学生的语言组织能力。)
T:Now, I’ll ask some students to retell 1a. Please try to speak with your own words.
Example:
S1: I’m Jane and studying at Ren’ai International School. In my spare time, I am working for an anization that protects the environment …
Step 4 Practice 第四步 练习(时间:10分钟)
听录音，完成2，让学生掌握科学处理生活垃圾的方法。然后导入学习并列句，完成3。
1. (让学生听录音，完成2。)
T:Please listen to the tape carefully. You’ll hear four people talking about environment protection. Then finish 2.
(听两遍录音后，师生共同核对答案。)
2. (教师让学生判断下列句子陈述的内容是否是改善环境的行为，引出while, but, and, or引导的并列句。)
(展示小黑板。)
(1) We should use plastic bags as few as possible.
(2) We should throw the garbage in the river.
(3) We should reduce the waste we produce.
(4) We should use both sides of paper.
(5) We should throw the plastic bags rather than reuse them.
(师生共同核对答案。)
T: Look at the five sentences. If you think the statement is good for our environment, you nod your head, and it means agreement, (教师做点头状并重读nod。) or you shake your head, and it means disagreement. (教师做摇头状并重读shake。)
(板书且要求学生掌握。)
nod
agreement
shake
(教师出示小黑板上的句子，讲解while, but, and, or引导的并列句。)
(1) You nod your head and it means agreement.
(2) Hurry up, or you’ll miss the train.
(3) Water is important but some people don’t save it.
(4) Some people protect animals while others kill animals.
(教师让学生讨论画线部分的单词在句中起到什么作用，前后两个句子是什么关系。)
T:Let’s look at the sentences. Pay attention to the words underlined. What’s the function of them? What’s the relation of the two parts in each sentence?
(学生讨论后，教师引导学生一起分析这些句子，总结并列句的定义及用法。)
(1)并列句的定义
(2)并列句的用法
①表示并列关系，用and…
②表转折，用but, while…
③表选择，用or…
3. (让学生依照3中的例句，完成3。)
T:Please join the sentences in 3 with “or”, “and”, “but” or “while” after the example.
(学生完成后，教师检查并核对答案。)
Step 5 Project 第五步 综合探究活动(时间:4分钟)
通过对生活垃圾的不同处理方式的引导，让学生增强环保意识。
1. (教师利用多媒体，呈现一些生活垃圾的图片，让学生判断怎样科学地处理它们才能更环保。)
T: Look at these objects in the picture. Which can be reused, reduced or recycled?
(教师让学生分组讨论，回答并核对答案。)
2. Homework:
Write an article about the three Rs in your daily life.
板书设计：
Would you like to be a greener person?
Section A
be supposed to do sth.1. You nod your head and it means agreement.
reduce2. Hurry up, or you’ll miss the train.
the three Rs―reuse3. Water is important but some people don’t save it.
recycle4. Some people protect animals while others kill animals.

Section B
The main activities are 1a and 2a. 本课重点活动是1a和2a。
Ⅰ. Teaching aims and demands 教学目标
1. Learn a new word and a phrase:
ought to, action
2. Learn some useful sentences:
(1)Would you like to be a greener person?
(2)First, you ought to turn off the lights when you leave a room.
(3)Easier said than done.
(4)Well, actions speak louder than words.
(5)May I have your attention, please?
3. Go on learning how to protect the environment.
4. Review giving advice.
Ⅱ. Teaching aids 教具
空的塑料瓶、罐头瓶、废弃电池和其他实物/录音机/小黑板
Ⅲ. Five-finger Teaching Plan 五指教学方案
Step 1 Review 第一步 复习(时间:8分钟)
检查作业，复习上节课的内容；同时，对学生进行环保教育，导入对Section B的学习。
(分小组向全班同学汇报上节课的作业。然后教师准备一些废弃物，通过做动作，让学生判断教师的行为是否正确。复习上节课的内容并激发学生的学习兴趣，对他们进行环保教育。)
T:(教师出示一塑料瓶。) Look at this plastic bottle. It’s empty and useless. Let’s throw it away. (扔在地上。)
Ss:Mr./Miss…, You’d better not throw it away.
T:Why?
Ss:Because it can be reused.
T:(教师拿出一罐头瓶。) Here is a can. It’s not useful. S1, please throw it out of the window.
S1:Sorry. Mr./Miss…, I can’t do that. We must protect our environment and it can be collected and recycled.
T:What a greener person! (教师指着灯，然后做关灯手势。) Oh, the light is still on. S2, would you please turn it off?
S2:Sure.
T:It’s a good habit to turn off the lights when you are not using them. About protecting the environment, what are other good habits? Do you know?
S3:We can reduce the waste we produce.
S4:We should use both sides of paper.
S5:Reuse plastic bags rather than throw them away.
…
T:Well done. This lesson, let’s go on talking about how to protect our environment.
Step 2 Presentation 第二步 呈现(时间:12分钟)
创设语境，教学新单词，并通过听录音回答问题、找出重难点等形式呈现1a。
1. (继续谈论有关环保的知识，导出并学习生词及目标语言，为听力扫清障碍。)
T:Boys and girls, we have talked about how to protect our environment. Would you like to be a greener person?
Ss:Of course.
T:OK. Let me tell you what we should do. We ought to save every drop of water. We had better walk or ride a bike while we’re traveling a short distance. Take a cloth bag or a basket instead of plastic bags when we go shopping.
(板书并让学生猜其意思，适当讲解并要求掌握ought to；理解distance和cloth。)
ought to=should
distance
cloth
T:Everyone should do it like this every day, but easier said than done.
(板书并让学生猜测这个句子的意思。)
Easier said than done.
T:Would you do as what you said?
Ss:Yes./Sure.
T:Good. But actions speak louder than words.
(板书并让学生猜测其意思，掌握action。)
Actions speak louder than words.
T:OK. Jane and Michael are talking about how to be a greener person. Let’s listen to 1a and answer the following questions.
2. (1)(教师将已设计好的听力问题呈现在黑板上，听1a录音并核对答案。)
①How many pieces of advice does Jane give in the dialog?
②Do you think it’s easy to be a greener person?
(2)(让学生再听1a录音，并说出简的建议。)
T: Listen to the tape again, and tell Jane’s advice.
(教师板书。)
First, you ought to turn off the lights …
Second, you’d better walk or ride a bike instead of …
Third, take a cloth bag when …
(要求学生跟读这些句子，并用ought to和You’d better就环保问题给出一些建议。)
S1: You ought to clean the classroom.
S2: You’d better not cut down the trees.
S3: …
3. (让学生仔细阅读1a内容并找出重难点和同桌讨论，教师巡视，了解共性问题并讲解。可简单复习不定式的用法。)
T:Now, let’s read 1a carefully, and find out the difficulties. Then discuss them with your deskmate.
(板书并解释句型结构。)
Would you like to be a greener person?
It’s so easy to be a greener person.
It’s+adj+to do sth.

Step 3 Consolidation 第三步 巩固(时间:10分钟)
通过做报告、复述对话的形式巩固1a，完成1b。
1. (1)(让学生根据板书的重点，将对话改写成一篇报告。)
T: Aording to the main sentences, please change the dialog into a short report.
(2)(要求学生复述对话。)
T:Who can retell 1a? OK, S1, please!
S1: Michael would like to be a greener person. Jane gives him three pieces of advice. She tells him that he ought to turn off the lights when he leaves a room. When he wants to travel a short distance, he’d better walk or ride a bike, not take a bus or a taxi…
2. (1)(让学生看1b图片，并口头描述怎样做才能成为一个更环保的人。)
T:Boys and girls, please look at the pictures about the daily life in 1b. What do they show us? Who can tell us? Hands up!
S2:From a we know that we ought to save electricity.
S3:From b we know that …
S4:From c we know that …
S5:…
(2)(让学生独立完成1b，教师巡视检查学生完成情况，并以提问的方式核对答案。)
T:Please match the pictures with the sentence. Then I’ll ask a student to give his/her answers.
(3)(引导学生进行拓展，总结更多的日常环保行为。)
T:Very good! Pay attention to our daily life. There are many good habits to save energy or protect the environment. What do you often do to improve the environment in your daily life? Who can try to tell us?
S6:Take care of the wild animals.
S7:Don’t cut down the trees.
S8:…
(4)(让学生根据1a，运用1b中的内容重新组织一个对话，提高其综合运用语言的能力，并且进一步增强学生的环保意识。)
T: Make a new dialog like 1a aording to the sentences in 1b, and practise it with your partner. Then I’ll ask the volunteers to act it out.
Example:
S9: Hi, S10. Would you like to be a greener person?
S10: Of course, I’d love to. But what should I do?
S9: First, reduce waste. Don’t buy bottles or boxes which people can use only once.
S10: Oh, that’s easy. What’s next?
S9: Second, recycle boxes and plastic bottles.
S10: That’s right. …
S9: …
Step 4 Practice 第四步 练习(时间:10分钟)
创设语境，教学生词，采用多种阅读形式，呈现并完成2a。
1. (创设语境，呈现2a中的生词。)
T:Boys and girls, tomorrow is Beach Clean-up Day. Would you like to do something?
Ss:Sure./Of course.
T:Our class will take part in the activity. Please prepare some big bags so that we can sort the garbage.(教师出示一些废弃的电池、饮料瓶、塑料袋等实物，并引出生词battery。)
(板书并要求学生理解。)
battery
T:Pay attention, please. Remember to be on time.
Ss:(学生很自然会问)What time will we meet?
T:Listen to the tape and you’ll find the answer.
(听完核对答案。)
2. (读2a，完成小黑板上的表格。)
What time
Where to go
How to go
What to do
(核对答案。)
3. (听2a录音，让学生跟读，把新单词和重点内容画出来。然后，讲解知识点，并帮助学生掌握口头通知的要点。)
T: Listen to the tape and repeat it. At the same time, draw a line under the new words and important points.
4. (教师改动小黑板上的表格内容，要求学生根据新表格的内容，写一则通知，训练学生的写作能力。)
What time9:00 a.m.
Where to meetOutside the school gate
How to goBy bus
LunchTake food and drink by yourselves
What to doPlant trees, collect garbage
T: Look at the form, write a notice for Tree Planting Day, then report it in front of the class. You have three minutes to write. OK! Let’s begin!
(教师在学生中巡回指导。)
T:OK! Are you ready?
Ss:Yes. (学生举手。)
T:Show your notice. Volunteers?
S1:Boys and girls,
Tomorrow is March 12th. It’s Tree Planting Day. We decide to go to the West Hill to plant trees. I hope everyone in our class will take an active part in the activity.
We will meet outside the school gate at 9:00 in the morning. Then we’ll go there by bus and be there at about 13:00. So remember to take food and drink by yourselves. In the afternoon we’ll plant trees and collect the garbage. There will be a lot of work to do tomorrow, so make sure you have a good rest tonight. See you tomorrow.
That’s all. Thank you.
T: Your speech is wonderful. Anyone else?
S2: …
Step 5 Project 第五步 综合探究活动(时间:5分钟)
让学生通过对日用物品的科学分类，增强环保意识，争做绿色环保使者。
1. (和同桌讨论可以减少使用、再使用或回收再利用的各种东西，以此来完成2c。同时尽可能多地呈现一些可以减少使用、再使用和回收再利用的日用物品。)
T: Look at the objects in 2c. Which can be recycled, reused or reduced? Now, please work in pairs and try to sort them.
2. Homework:
Write an article about how to save energy.
板书设计：
Would you like to be a greener person?
Section B
ought toWould you like to be a greener person?
travel a short distanceIt’s so easy to be a greener person.
Clean-up DayEasier said than done.
It’s+adj+to do sth.Actions speak louder than words.
Section C
The main activities are 1a and 2. 本课重点活动是1a和2。
Ⅰ. Teaching aims and demands 教学目标
1. Learn a new word:
technology, electric, wheel, steel
2. Go on learning some pound sentences:
(1) In many countries, people produce power from coal, but it is very dirty and causes acid rain.
(2) Although electric vehicles produce no pollution, there will be an increase in electricity needs if they are widely used.
3. Learn the advantages and disadvantages of some kinds of energy.
Ⅱ. Teaching aids 教具
挂图/图片/小黑板或幻灯片/录音机
Ⅲ. Five-finger Teaching Plan 五指教学方案
Step 1 Review 第一步 复习(时间:10分钟)
通过对节能环保知识的复习讨论，导入新课，教学部分生词。
1. (通过对上一课1a的复习，强调怎样做才能成为绿色使者, 进一步增强学生的环保意识，同时也营造一种英语氛围，激发学生的学习兴趣。)
T: Can you remember what we have learned in Section B?
Ss:Yes.
(教师可以出示上一课1a的图片。)
T: What are Jane and Michael doing?
Ss:They are talking about how to be a greener person.
T: Can you tell me how to be a greener person?
Ss:First, turn off the lights when we leave a room.
T: What about the next?
Ss:Walk or ride a bike instead of taking a bus or a taxi …
T: Very good. Please go on.
Ss:Take a cloth bag when we go shopping.
T: Great. It’s easier said than done. So we have to keep on doing that every day.
2. (让学生分组讨论节约能源的各种方法，以旧带新，导入新课主题。)
T: We must not only protect our environment but also save energy like electricity. Now discuss this problem in pairs: What should we do to save energy?
(采用竞答方式，鼓励学生说出日常生活中所观察到的节约能源的各种方法。)
T: Well, I’m sure you have some new ideas to save energy. Please tell me one by one. Now let’s talk about how to be a greener person. Who’s the volunteer? Please hands up!
S1: Don’t drive a car if you travel a short distance.
S2: Write on both sides of the paper.
S3: Don’t use the things that can be used only once.
S4: After we wash faces, we can use the water to wash clothes.
S5: Take a cloth bag when we go shopping.
S6: Turn off the TV set while we are away.
S7: …
T:Well done! Actions speak louder than words. If you want to be a greener person, you should do as what you say.
3. (通过学生对节能环保知识的讨论，教师引出文中所讲的新环保事物，出示1a的挂图，导入新课内容，教授生词。)
T: Look at the pictures. Maybe they are the new things that you haven’t known. They show us some forms of energy. Some of them may do less harm to our environment. What’s it in Picture a?
Ss:It’s a car.
T:Yes. What a beautiful car! But it looks strange, doesn’t it?
Ss:Yes.
T: It’s an electric car. It works well, but it’s slow and can’t run for long.
(板书并讲解，要求学生掌握。)
electric (adj.) ― electricity (n.)
T: What’s it in Picture b? Who knows it?
S8:It’s a train. It can run fast.
T: You’re right. It’s a maglev train. Its advantages are quiet, fast and clean, but it’s too expensive.
(板书并解释，要求学生理解maglev train。)
maglev train
T:OK. Let’s learn 1a and talk about other ways to produce power.
Step 2 Presentation 第二步 呈现(时间:10分钟)
呈现1a，完成1b。培养学生快速查阅字典的能力和快速阅读的能力。
1. (要求学生在字典中快速地查出1a中生词的意思，培养学生快速查阅字典的能力。)
T:Take out your dictionaries. Look up the new words in 1a as quickly as possible.
(以比赛的形式检查学生查字典的效果，看哪些同学最先完成。 板书并要求学生理解1a中生词power, acid, nuclear, per, guide; 了解biogas, straw, efficient; 掌握technology, wheel, steel。)
power, acid, nuclear, biogas, technology, straw, efficient, per, wheel, guide, steel
2. (让学生快速阅读1a中的2，为每段找到正确的图片。)
T: Read the passage quickly, and choose the right picture for each paragraph.
3. (再次阅读，判断下列句子正误。用小黑板或幻灯片出示句子。)
T: Read the passage again, and then mark True(T) or False(F).
①( ) It’s good that people produce power from coal.
②( ) Nuclear power is dangerous. So we can’t use it.
③( ) China is one of the first countries in the world to use biogas technology.
④( ) The maglev train can be used in most of China.
(师生共同核对答案。)
4. (播放录音，让学生跟读，注意语音语调。)
T:Now, listen to the tape of 1a and repeat. Pay attention to the pronunciation and intonation.
Step 3 Consolidation 第三步 巩固(时间:10分钟)
巩固1a，完成1b，明确阅读任务，提高阅读能力。
1. (要求学生阅读1a课文，完成1b。明确阅读任务，有助于提高阅读效率。)
T: Look at the form in 1b. Read the passage again and fill out the table.
(几分钟后。)
T: Discuss the answers in your group. Then let’s check them together.
(先让学生在小组内讨论，然后师生共同核对答案。)
2. (让学生再读1a，找出疑难点，并鼓励他们分组讨论解决疑难点，教师作补充讲解。)
T: Read 1a again, find the points you don’t understand, and then discuss in groups.
3. (根据1b表格，以问答形式复述1a课文，巩固1a。)
T: Let’s retell 1a aording to the table in 1b by asking and answering.
Example:
(1) T: What are the advantages of biogas?
Ss: Renewable.
(2) T: Can you say something about electric vehicle?
Ss: Efficient, cheap, and no pollution.
(3) T: What are the disadvantages of maglev train?
Ss: Much more expensive than traditional trains.
…
Step 4 Practice 第四步 练习(时间:8分钟)
学生四人一组讨论，进一步了解节约能源的几种新型发电技术，完成2。
1. (教师出示2中的图片，让学生看图说话。)
(1)T: Now please look at the four pictures. What ways do they use to produce electricity? Match the pictures with the proper sentences above.
(板书，并要求学生理解。)
movement
(2)(核对答案后，让学生说出图中四种发电方式的优缺点。)
T:What’s the advantage of these ways?
Ss:Less pollution.
T:That’s right. For example, lighting is powerful. If it can be made good use of, that would be great. I’m sure you can do it one day. e on, my children.
…
T:What’s the disadvantage of these ways?
Ss:All of them must be used to produce electricity in some special situations. That’s to say, they are limited. For example, people can produce electricity from the sun, but if there is no enough sunlight, how does it work? (学生在教师的帮助下回答。)
2. (让学生四人一组讨论更多的发电技术，然后向全班汇报。完成2。)
T: Now, work in groups of four. Think about what else can be used to produce electricity. Then report to the class.
Step 5 Project 第五步 综合探究活动(时间:7分钟)
归纳本节课环保节能的方法，同时教育学生学会节约能源以及合理地利用能源。
1. (填写表格，让学生学会如何节约能源，更加合理地利用能源，以增强学生的环保意识。)
T: Look at the form and think about things we should do every day and things we should not do to protect the environment, and what materials or waste things we can reuse, recycle and reduce. Fill in the blanks in groups of four after discussion.
Day
Thing

NameMon.Tue.Wed. Thur.Fri.Sat.Sun.
to donot to doto donot to doto donot to doto donot to doto donot to doto donot to doto donot to do
S1
S2
S3
S4
T: Discuss in groups and finish it as quickly as possible.
(几分钟后。)
T:Who’d like to be a volunteer? Report the answers of your group to the class.
S5: …
2. (和同桌一起讨论，列出环保的好习惯，教师鼓励学生列得越多越好。完成3。)
3. (要求学生在本课找出复合句，教师核对答案并板书。)
(让学生试着造句。)
T:Could you make sentences with them? Now, please have a try.
S6:I’d love to, but I have to finish my report first.
S7:He came up to her and she gave him a hug.
S8:Could you take care of my dog while I’m away?
S9:…
4. Homework:
Turn to your parents and your friends and try to find some other kinds of materials that can produce electricity.
板书设计：
Would you like to be a greener person?
Section C
electric (adj. )――electricity (n. )1. In many countries, people produce power from coal,
but it is very dirty and causes acid rain.
maglev train2. Although electric vehicles produce no pollution, there will be an increase in electricity needs if they are widely used.
Section D
The main activities are 2a and 4. 本课重点活动是2a和4。
Ⅰ. Teaching aims and demands 教学目标
1. Learn some new words:
towel, offer
2. Review some pound sentences:
(1) About 35% of the garbage in Hong Kong can be recycled every year while the rest can’t.
(2) People produce power from coal, but it is very dirty and causes acid rain.
3. Learn how to be a greener person.
Ⅱ. Teaching aids 教具
图片/一包纸巾/录音机/小黑板
Ⅲ. Five-finger Teaching Plan 五指教学方案
Step 1 Review 第一步 复习(时间:10分钟)
复习总结本话题环保节能的内容，训练学生的听说技能，鼓励学生成为绿色环保使者。
1. (师生互动，营造英语氛围，复习前三节课的内容。)
T:In this topic we have learned something about how to be a greener person. Can you tell me what are the three Rs?
Ss:Reduce, reuse and recycle.
T: Which means “make something less or smaller”?
Ss:Reduce.
T: Then what should we reduce?
Ss:We should reduce the things which people can use only once.
T:Which means “use it again”?
Ss:Reuse.
T:What should we reuse?
Ss:We should reuse plastic bags.
T:What should we do about recycling?
Ss:We should collect waste paper or soft drink cans, and sort them so that they can be recycled.
T:It’s true. But remember, actions speak louder than words.
2. (听句子，判断对错，训练学生的听力技能，复习总结怎样才能成为一名绿色使者。)
T: We know that pollution is being a serious problem. What should we do to protect our environment? Now listen to me carefully. I will say some habits. Tell me whether they’re good or bad, and try to write down the good ones. Now be ready!
(1)Throw the rubbish here and there.
(2)Don’t spit in a public place.
(3)Draw a beautiful picture on the public walls.
(4)Don’t throw things away if they can be reused.
(5)Go to school by bike instead of by bus.
(6)Collect the rubbish and try to sort them.
(7)Pour dirty water into rivers directly.
(8)Turn off the lights when you go out.
(教师边说边观察，如果有必要可多读两遍，要求学生一边回答一边记下来，为下一步作准备。)
3. (要求学生根据上面的内容，两人一组编一个对话，谈论怎样才能成为绿色使者。鼓励学生尽可能地对本单元内容进行整合。)
T:Now make your own dialog to talk about how to be a greener person with your partner. You can offer more suggestions about it.
(板书并要求学生掌握。)
offer
(几分钟后，教师抽查。)
S1:Do you want to be a greener person?
S2:Of course. Can you tell me how to be a greener person?
S1:Don’t throw the rubbish here and there.
…
(教师进行鼓励和评价，同时总结内容，导入新课。)
T:Very good! I think you are greener persons. Now, let’s play a game to test how green you are.
Step 2 Presentation 第二步 呈现(时间:10分钟)
让学生根据各自的日常行为做出适当选择，并根据文后分值自我检测，完成2a。
1. (教师出示2a中的图片向两个学生提问题，让其他同学记录答案，判断谁是绿色使者。)
T: I’ll need two volunteers. Please hands up. OK, S1, S2, e here. Now I’ll ask you some questions. Answer me with“Yes”or“No”. Other students write down their answers and judge which student is greener. Are you ready?
Ss:Yes.
T: Do you usually recycle newspaper and old books? (Yes―1; No―0)
S1:Yes.
S2:No.
T: Do you often use paper towels? (Yes―0; No―1)
(展示纸巾，板书单词且要求学生掌握。)
towel
S1, S2:Yes.
T: When you make a short journey, do you often ride a bike? (Yes―1; No―0)
S1:No.
S2:Yes.
(板书，并要求学生理解journey。)
make a short journey―travel a short distance
T: …
S1, S2: …
T: What’s the score?
S3: S1 gets 5 points.
S4: S2 gets 6 points.
(教师参考2a分值表做总结。)
T: Well done, You are pale green. But S2’s mark is higher than S1’s. It means S2 is a greener person. Congratulations to him/her! (cheers)
2. (教师继续做调查并做出相应的评价。)
T:S5, what’s your score?
S5:It’s 4 points.
T: You have not started turning green yet! Be strict with yourself to protect the environment. S6, what’s your score?
S6:It’s 10 points.
T:Try harder and you’ll be better in protecting the environment. I believe you can.
S6:Thank you!
T:…
3. (让学生独立完成2a，进行自我检测。)
Step 3 Consolidation 第三步 巩固(时间:10分钟)
根据上面的测试结果，让学生开展小组讨论，引导学生做总结报告，巩固2a。
1. (根据学生的得分情况把学生分成四小组，让各小组同学讨论自己得分多少的原因并给出建议，使学生更加明白如何才能成为一名绿色环保者。)
T: Now the students who get 0-4 points join Group 1. The ones who get 5-9 points join Group 2. The ones who get 10-13 points join Group 3 and 14-18 join Group 4. Each group finds out why you get this mark, and what you are going to do next. Later give a short oral report to the class.
2. (要求学生做总结报告，训练口语。完成2b。)
3. (通过上一步，列出各小组好的建议，让学生争做绿色使者。)
T: Now please listen to me. I’ll tell you how to be a greener person. More and more people are being green. It means that they are trying their best to protect the environment. So you need to remember the best ways to achieve the goal.
(1)We need to recycle what we can.
(2)We can take a quick shower instead of a bath.
(3)When we make a short journey, we’d better walk or ride a bike.
(4)You’d better stop them when you see others littering.
(5)We take baskets for shopping.
(6)Never eat fast food.
(7)Never use paper towels.
(8)Remember to turn off lights when you leave a room.
4. (让学生两人一组互相问答，巩固2a部分内容。)
T: Practice in pairs. Please do it just as what we did in 2a.
Step 4 Practice 第四步 练习(时间:10分钟)
通过听力填空，句子接龙，抢答造句等形式，呈现1，完成3a和3b。
1. (听录音，完成1。)
(1)T: Read the passage in 1 quickly and guess the missing words.
(2)T: Listen to the passage and fill in the blanks with the words you hear.
(3)(核对答案。)
T: Let’s check the answers.
(4)T: Listen to the passage again and repeat it.
2. (用句子接龙的方式复习巩固连词的用法，完成3a。)
T: Now let’s practice “or”, “but”, “and” and “while”. I say the first sentence, then you say the second sentence with them.
T: The electric cars work well …
S1:But they are slow and can’t run for long.
T: The maglev train is quiet and clean (and it runs fast)…
S2:But it’s too expensive.
T: My mother was cooking …
S3:While my father was reading the newspaper.
…
(按上面的方法在同学之间进行句子接龙比赛，比比谁说的精彩有趣。)
3. (通过朗读、翻译、听录音等方式，巩固本话题功能句。)
(1)(复习巩固本单元的重要句型，完成3b。)
T: Turn to Page 48. Let’s read the useful expressions of 3b together. Then I’ll ask some students to translate them into Chinese.
(2)(翻译句子，强化对有用短语的应用。)
T: Now please translate my sentences into English, and write them down. Pay attention to making similar sentences with the useful expressions.
①你不应该在这儿吸烟。
②你愿意对这些垃圾进行分类吗？
③洗完衣服后应该把水龙头关掉。
(3) (听录音，注意语音语调，巩固3a，3b。)
4. (教师用小黑板展示下列提示词，要求学生抢答造句，为下一步写作打下基础，同时复习本话题内容。)
take part in, reduce, reuse, recycle, protect, save, love …
T: Now I’ll give you some words or phrases. Make sentences and speak them out as soon as possible. Are you ready?
Ss:Yes.
T:take part in.
S4:I took part in the activities to collect rubbish.
T: reduce.
S5:People ought to reduce plastic, coal …
T: …
S6:…
5. (根据学生听说内容，让学生写一篇关于如何保护环境的短文。)
Step 5 Project 第五步 综合探究活动(时间:5分钟)
继续学习和拓展环境保护话题，让学生争做绿色环保使者，使自己的家乡变得更美丽。
1. (要求学生列举出一些日常不环保的行为举止，并演示给全班同学看，要求其他同学给出建议，增强学生的环保意识。)
T: Maybe a few students or people don’t do very well in protecting the environment. Now list the bad actions and act them out in front of the class. And then others offer some suggestions.
T: Who’s the volunteer? S1.
S1: (做一个摘花的动作，让其他同学猜。)
S2: Don’t pick up the flowers.
S3: (……)
S4: …
2. (要求学生帮助Friends of the Earth的记者完成调查任务，并写出相应的调查报告，完成4。)
3. Homework:
Write a report. Talk about what you are planning to do to make your hometown more beautiful.
板书设计：
Would you like to be a greener person?
Section D
make a short journey
paper towels
The electric cars work well, but they are slow.
My mother was cooking while my father was reading the newspaper.
Unit 3 English Around the World
Topic 1 English is widely spoken throughout the world.
刘华莲 中学英语二级
Section A
The main activity is 1a. 本课重点活动是1a。
Ⅰ. Teaching aims and demands 教学目标
1. Learn a new word and some phrases:
language, from now on, be pleased with
2. Learn some useful sentences:
(1)I can’t wait to fly there!
(2)You’ll have a good chance to practice English there.
(3)Try your best and work much harder from now on.
3. Help the students to learn the usage of passive voice:
(1)Disneyland is enjoyed by millions of people from all over the world.
(2)English is spoken as the main language in America.
(3)It is also widely used throughout the world now.
Ⅱ. Teaching aids 教具
单词卡片/卡通图片/小黑板/录音机
Ⅲ. Five-finger Teaching Plan 五指教学方案
Step 1 Review 第一步 复习(时间:8分钟)
检查作业，复习节能环保知识，然后创设语境，呈现部分生词，引出被动语态，导入新课。
1. (教师检查作业，复习如何让自己的家乡变得更美丽。)
T:Let’s check up your homework in the last unit. We know the earth is our home. Everyone is supposed to keep our home beautiful and save energy. Would you like to be a greener person? Please list good habits of making your hometown more beautiful.
S1:We should reduce the waste we produce.
S2:We should use both sides of paper and reuse plastic bags.
S3:We ought to turn off the lights when we leave a room.
S4:We should grow fruit and vegetables ourselves.
S5:We’d better walk or ride a bike instead of taking a bus or a taxi if we’re traveling a short distance.
…
(教师作小结，为下一步作准备。)