Unit 2 Saving the Earth
Topic 1 pollution causes too many problems
Section A
I 、Teaching aims：
1、Go on leaning the present perfect tense
2、Talk about the hometown ,and enjoy the beauty of nature.
3、Talk about different kinds of pollution in order to enhance the awareness of protecting the environment.
Ⅱ、Teaching procedures：
Step1 Review
1、 Talk about hometown’s scenery, then review the usage of“used to be ”
T：Who is from the country？
S1 I am
T:：How did your hometown used to be ?
S2：It used to be a very beautiful place . There were a lot of flowers and trees .But …
2、 Compare the changes in hometown’s scenery ,then lead to the topic of environment.
Step2 Presentation
1、 Show the first picture in 1a and ask the student to describe the scenery .
T: What does the picture show us ?
Ss ： It’s a beautiful place with …
2、 Show the second picture in 1a and ask the students to describe the changes caused by environmental pollution .
T: What has happened in the picture ?
Ss: The water is very dirty and …
3、 Listen to 1a and answer the question .Check the answer..
（1） Is the West Hill still a beautiful place now ?
（2） What happened to the West Hill?
4、 Let students read 1a ,and find out the phrases and sentences . Teacher writes them down on the blackboard and lets the students understand them .
(1) Oh ,my goodness!
(2) There are several chemical factories pouring waste water into the streams ,
5、 Learn and master the new words ：bee ,several ,waste , stream
Step3 Consolidation
1、 Group work .Read 1a in groups of four ,then act it out .
2、 Let students fill out the form in 1b according to 1a ,then ask several students to report it to the class.
Ⅲ、 Practice
一、 根据句意及首字母提示完成句子
1、 The fish smells terrible .It has g bad .
2、We have a lot of work to do every day ,We are as busy as a b
3、The river isn’t clear now because the factory has p much w water into it
4、Playing computer games too much can i your study
5、Pollution c too many problems
二、单项选择
1、 We it with our noses ,
A、 smell B、look C、sound D、taste
2、 population can cause trouble
A、much too B、Too much C、Few D、Too many
3、Basketball is so popular a game in the world that people play it for fun and exercise
A、millions of B、million of C、millions D、two millions of
4、There is a man you at the school gate now .
A、is waiting B、waiting C、waiting for D、waits
5、You will see bees and butterflies
A、to dance B、to be dancing C、danced D、dancing
6、 It’s a beautiful place lots of flowers .
A、 with B、have C、to have D、 has
Ⅳ: Teaching reflection
Unit 2 Saving the Earth
Topic 1 pollution causes too many problems
Section B
The main activities are 1a and 1b.
Ⅰ. Teaching aims and demands
1. Learn some new words:
weak, produce, chest, anyway
2. Go on learning direct speech and indirect speech:
(1) The old lady said that it was difficult for her to breathe.
(2) The old lady told Kangkang that she had been like that since the week before.
(3) Kangkang asked the old lady how long she had been like that.
(4) The journalist asked Mrs. Zhou whether/if she was feeling better then.
(5) The journalist asked what the environment around that place was like.
3. Learn some expressions about blame and complaint:
(1) It’s difficult for me to breathe.
(2) The bad air makes my chest hurt.
(3) … the factory makes too much noise and I can’t sleep well at night.
(4) I’m always in a bad mood …
(5) … I can’t stand the environment here.
(6) Anyway, I hope the government will solve this problem soon.
Ⅱ. Teaching procedures
Step 1 Review (时间:5分钟)
Check over students, homework. Review direct speech and indirect speech by:
T: Is there air pollution around your home?
S1: Yes. There are several chemical factories near my home. They make terrible gas. I often feel sick.
T: What did S1 say just now?
S2: S¬1 said that there were several chemical factories near his/her home.
S3: S1 said that they made terrible gas.
S4: S1 said that he/she often felt sick….
Step 2 Presentation (时间:12分钟)
1. lead _ in
T: From 1a, Section A, we know Kangkang and his friends planned to go for a picnic. But two days later, when the children reached the West Hill, would they have a picnic there?
Ss: No.
T: Why?
Ss: The flowers, grass and fish have gone. The chemical factories are pouring waste water into the stream.
T: And what is the factory making?
Ss: It’s making smoke.
T: Yes, it’s producing smoke. It’s producing terrible gas. (教师做捂鼻皱眉状。)It’s difficult to breathe.
(master produce；understand gas。)
produce, gas
T: The terrible gas can make people’s chest ache. (教师做捂胸皱眉状。)
(Write chest on the blackboard)
chest
T: What’s more, the factory makes too much noise. What problems does noise pollution cause?
S1: Maybe people can’t sleep well.
T: Yes, it makes people weak, and people may be in a bad mood.
(Write it on the blackboard )
weak
T: Pollution causes too many problems. Anyway, we should do something to stop it.
(Write it on the blackboard )
anyway
2. (Show the picture in 1a)
T: Look at the picture. Who are they in the picture?
Ss: They are Kangkang and Granny.
T: What other things can you see?
S2: I can see some dead fish.
S3: The bird on the tree is dying.
S4: Some chemical factories are producing terrible gas.
S5: Factories are pouring waste water into the river.
T: So it causes water pollution and air pollution. Look at Kangkang and Granny. What are they talking about? Listen to the tape, and then answer the question.
(listen to 1a，answer the questions。)
Ss: They are talking about pollution.
T: Yes, you are right.
3. (Students read the conversation together, find the main points then teacher will give some explanations, write them on the blackboard and require the students to master them.)
Can’t stand (doing) sth.
How long have you been like this?
I’m always in a bad mood …
Anyway, I hope the government will solve this problem soon.
It’s difficult for me to breathe.
The bad air makes my chest hurt.
Step 3 Consolidation (时间:9分钟)
1. T: Read 1a aloud, and try to act out the dialog in pairs.
(Ask three pairs to act it out in front.)
2. T: Read 1b carefully, and try to find out the changing rules. Let’s have a match.
S1: Kangkang asked the old lady how long she had been like that.
S2: The old lady said she was always in a bad mood.
S3: Kangkang said that was too bad.
3. T: Complete 1b by yourselves in two minutes.
(Check the answers and sum up the changing rules.)
Ⅳ：Practice (时间:10分钟)
1. T: After Kangkang wrote to the newspaper about the old lady’s problems, a journalist interviewed her. What is the journalist’s question? Let’s look at the first picture in 2.
Ss: Are you feeling better now, Mrs. Zhou?
T: Yes. The journalist asked the old lady if she was feeling better.
2. (Make conversations with students and lead the students to finish 2。)
T: What is Mrs. Zhou’s answer?
Ss: She’s feeling even worse.
T: Yes. Please answer it with indirect speech.
Ss: Mrs. Zhou’s said that she was feeling even worse.
T: Then, what did the journalist ask?
Ss: What is the environment around this place like?
T: Please answer it with indirect speech.
Ss: He asked what the environment around that place was like.
T: Complete the rest sentences with direct speech or indirect speech.
…
(Check the answers。)
3. T: Discuss the questions in 3, and work in groups of three. One asks, another answer and the third one reports it using indirect speech. Two minutes for preparation.
1.根据首字母完成单词.
1).A___ , I will try to help you.
2).He is too w___ to walk any more.
3) That chemical factory p__ terrible gas.
4).The bad air makes my c___ hurt.
5).I can’t s___ people dropping litter.
2.把直接引语变间接引语
1．Father asked his son，“do you study hard at school？”
Father asked his son__________________________。
2．“Where are you from？”She asked me。
She asked me____________________________.
3．“The sun rises in the east，”the teacher told us。
The teacher told us__________________.
Homework:
Write to the government about the pollution problems around your home.
Ⅳ: Teaching reflection
UNIT2： Saving the Earth
Topic1： Pollution causes too many problems.
Section C
Section C needs 1 period
The main activity is 1a
Teaching aims and demands:
Realize the harm of noise pollution and enhance the sense of environmental protection.
Teaching procedures:
Step 1 Review
1 Practice orally to review the DIRECT SPEECH AND INDIRECT SPEECH.
For example:
T: I came to this school two years ago.
(Then the teacher asks: What did I say just now?)
S: You said that you came to this school two years before.
………
2 Review the harm and kinds of pollution, and then lead to noise pollution in this section.
Step2 Presentation
1Play some pleasant sounds by recorder or multimedia such as beautiful songs, sounds of birds singing, and so on. Then the teacher asks, “Do you like them?” Next the teacher plays some unpleasant sounds like the sound of cutting metal ect. Then the teacher asks,‘Do you like them ,either?’ And help the students answer it.
The teacher says, “Yes, nobody likes these sounds, because they are noisy, we call them noise pollution.
2 Discuss the pre-reading questions and finish 1 in 1a
3 Listen to 1a and answer the questions. Check the answers.
(1) Is noise a kind of pollution?
（2）Is it harmful to people's health?
4Teach and let the students master the new words: coal deaf print disturb harm .Then let the students listen to 1a again.
Step3 Consolidation
1Let students read 1a after the tape.
2 Discuss the kinds and harm of noise pollution in pairs.
For example:
S1: Can you tell me any kinds of noise pollution?
S2: Yes. For example, the sound of…..
S1: Are they harmful to us?
S2: Yes they are. / Sorry I am not sure.
Then the teacher chooses some pairs to act it out.
3 Let students read 2 in 1a by themselves and write down the key words of 1a.Then ask some to retell the passage.
Air pollution------ noise------ harm of noise pollution------ kinds of noise pollution------ solve
Step4 Practice:
1 Read 1a again and marks true or false according to 1a then finish 1b.
2 Discuss in pairs and finish 1c.
Step5 Teaching assessment:
根据汉语提示完成下列句子。
1 Light pollution___ (对。。。。有害)our eyes.
2 People who work near the airport may_____(变聋)
3 They are working, we had better not_______(打扰) them.
4 We should solve _____(各种) environmental problems.
5 It ____ me_____(使)。。。。感到）happy.
6 Loud noise can cause _____(听力)loss.
7 She does not like to be seen ______(在公共场合).
Step 6 Projects:
Collect some information about noise pollution then write a report.
Ⅳ: Teaching reflection
Unit 2 Saving the Earth
Topic 1 pollution causes too many problems
Section D
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 procedure：
Step 1 Review
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)
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 become deaf.
S3: It also makes people uncomfortable 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。)
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.
(教师展示有关石油污染图片。)
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。)
(教师展示有关垃圾污染图片。)
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.
(教师展示有关大气污染图片。)
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。)
Ss: Burning coal.
T: With the development of industry, air pollution is becoming more and more serious.
(板书并讲解，且要求学生掌握。)
(教师展示图片或简笔画。)
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。)
Ss: Maybe our earth will be greener and more beautiful.
T: Yes. We should protect our planet 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
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
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 picnic 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。)
Step 5 Project
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)
Ⅳ：Teaching reflection:
Unit 2 Saving the Earth
Topic 1 pollution causes too many problems
The fifth period
单元知识归纳与提升
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