九年级英语unit13,Section A 2a-2dPPT精选文档

1、Unit 13,Section A 2a 2d,Language Goal,Talk about pollution and envirnmental protection,Objectives,To talk about air pollution, water pollution and sound pollution. To think about ways of protecting the environment. To learn the new words: advantage, scientific,Section A 1b,Tony: Hey, Mark, maybe we

2、could go swimming in the river later this afternoon. Mark: I dont think I want to go, Tony. Tony: Why not? Mark: I was there last weekend and the river was really dirty. Even the bottom of the river was full of rubbish, and there were no more fish for fishermen to catch. Tony: No way! It used to be

3、so clean. In fact, it has always been the nicest river in this town.,Mark: Not anymore. I think people are throwing litter into the river. Factories are also putting waste into the river. Tony: Thats terrible! We should write to the government. They should close down the factories. Mark: Good idea!

4、But I think everyone in this town should help to clean up the river, too. Everyone should play a part, not just the government.,基础预习 写出下面单词的意思 ugly_ cost_ plastic_ coal_ advantage_ wooden_ takeaway_ bin_,把下面的短语与汉语意思连起来。 make a difference cut down lead to be full of play a part in,导致 起作用 减少 参与 充满,2a,

5、Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.,A. land pollution B. air pollution C. noise pollution D. water pollution,1. The air is badly polluted because there are _on the road these days. 2. Factories that burn coal also _ the air with a lot of black smok

6、e. 3. There is also too much rubbish and waste. People _things every day. 4. People are also littering in_ like parks. This is turning beautiful places into ugly ones.,more cars,pollute,are throwing away,public places,2b,Listen again and complete the sentences.,Section A 2a 2b,Interviewer: Today wer

7、e talking to Jason and Susan about environmental problems. Jason and Susan, can you tell us about some of the problems youve seen? Jason: I think one problem is that the air is badly polluted. I hardly ever see blue skies anymore. Susan: Yes, and I used to see the stars clearly. Interviewer: What do

8、 you think has caused this problem? Susan: Well, there are more cars on the road these days.,Jason: And factories that burn coal also pollute the air with a lot of black smoke. Interviewer: What other problems do you see? Susan: I guess theres too much rubbish and waste in the streets. Jason: Yes! E

9、very day people are throwing away things like wooden chopsticks, plastic bowls and plastic bags. Susan: Theyre also littering in public places, for example, during picnics in parks. This is turning beautiful places into ugly ones. Interviewer: Youre right. These are serious problems for our environm

10、ent. Next, lets talk about the things we can do to help.,Use the information in 2a and 2b to role-play conversations between Jason and Susan.,2c,2d,Read 2d and complete the chart.,take the bus, subway or ride a bike instead of driving,bring a bag to go shopping,use chopsticks or forks at home,throw

11、rubbish in the bins,Section A 2d,Interviewer: Jason and Susan, what are your ideas for solving these problems? Jason: Well, to cut down air pollution, we should take the bus or subway instead of driving. Susan: Yeah, or ride a bike. There are other advantages of bike riding. Its good for health and

12、it doesnt cost anything! Interviewer: Great ideas! What about waste pollution?,本句中To cut down air pollution是动词不定式作目的状语。 cut down, 意为减少； 是“动词+副词”结构的短语，后面所带的宾语为名词时，宾语可以位于down的前面或后面；为代词时只能位于down前面。 Youd better cut the article down to about 2000 words. cut 后接off, into, up, in 的不同：cut off切断；切除 cut into把.

13、切成cut up切碎cut in 插队,Its good for health and it doesnt cost anything! cost v. 花费；使付出 指花费金钱，主语通常是物。cost的过去式和过去分词均为cost。,e.g. The new shirt cost Mr. Wang 200 yuan. 王先生花了200元买了新衬衫。 How much does the new computer cost? 新电脑花了多少钱？,take, spend, pay is used to B. is used to; used to C.use to; used to D. is u

14、sed to; is used to 2. The interesting book _ me 10 yuan. A. took B. paid C. spend D. cost,. Choose the best answer.,A,D,3. We must do something useful to _ pollution. A. cut off B. cut up C. cut down D. cut in 4. Smoking can _ lung cancer. youd better give it up. Awork on Blead to Ctake away Dput ou

15、t,C,B,5. What are the _ of bike riding? - It can help cut down air pollution. Aadvantage Breasons Cresults Dideas,A,6. Do you take exercise everyday? Yes, I always _ thirty minutes after supper. A spend B cost C take D pay 7. I _ 300 yuan for the bike. A took B spend C cost D paid,A,D,. 完成句子： 1. 多一个人少一个人无所谓。 One person wouldnt _ _ _. 2. 这个木箱时装满了书。 The _ box _ _ _