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1、 Section APeriod 1 ( 1a 2d)Unit 13 We are trying to save the earth. The earth is polluted. air pollutionThe factories that burn coal pollutethe air with a lot of black smoke. Factories put waste into the river.water pollution noise pollutionThere are more cars on the road. litter v. 亂扔 n. 垃圾Rubbish，

2、 waste垃圾，廢棄物People should throw away litter in the bin.land pollution 1a Here are some words related to different kinds of pollution. Write them in the box below. Then add more words. noise pollution _cars air pollution _ water pollution _loud musicplanesmobile phones factoriescarssmoking shipsfacto

3、rieslitteringrubbishbuilding housesbuilding housesloud music cars rubbish planeslittering ships factories smokingbuilding houses mobile phones Help save the earth We must think of better way to treat our planet in future. What do you usually do ?Are you a friend of the Earth? Take this quiz.START Yo

4、u drink a can of cola. What do you do?I throw away cans.I recycle cans. You throw away the cans. Thats bad for the Earth. You recycle the cans.Thats good for the Earth. There are a lot of old newspapers at your home. What do you do?I throw the old newspapers away.I recycle the old newspapers. You th

5、row old newspapers away.You waste paper.Thats bad for the Earth. You recycle old newspapers. You save paper.Thats good for the Earth. You go shopping. What do you do?I use a lot of new plastic bags.I use my own bag. You use a lot of new plastic bags. Thats bad for the Earth. You use your own bag.Tha

6、ts good for the Earth. When you write on a piece of paper, what do you do?I write on one side only.I write on both sides. You use paper on one side only.Thats bad for the Earth. You use paper on both sides.Thats good for the Earth. close down the factories; help to clean up the river; take the bus o

7、r subway; ride a bike; bring a bag to go shopping,throw rubbish in the cans; turn off the lights when you leave a room; use paper or resusable bags; recycle books and paper; turn off the shower when you wash your hair; dont use napkins; rethink,reuse, recycle . . 1b Listen and complete the sentences

8、.What was the problem?The river was _. Even the bottom (底部) of the river was full of _. There were no more _ for fishermen (漁民) to catch.really dirtyrubbish fish What caused the problem?People are throwing _ into the river. Factories are putting _ into the river.How should the problem be solved?We s

9、hould write to the _ and ask them to _ the factories. Everyone should help to _ the river. litter wastegovernmentclose down clean up Mark: The river was dirty. Even the bottom of the river was full of rubbish.Tony: But it used to be so clean!Mark: Yes, but people are littering in the river.Tony: Eve

10、ryone in this town should play a part in cleaning it up! Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a.1c Points on P571. try to do =try ones best to do 努力去做某事2. be related to 與有關(guān)3. mobile phones 手機(jī)4. rubbish, litter ,waste 垃圾,廢物5. the bottom of the

11、river 河底6. be full of 充滿7. fisherman-fishermen 漁民8. government 政府9. throw litter into the river 把垃圾扔到河里10. ask sb. to do 要求某人干某事11. close down the factories 關(guān)閉工廠12. clean up 打掃13. used to be過去是 14. play a part in參與，在中扮演角色 Memory1.努力去做某事2.與有關(guān)3.手機(jī)4.垃圾,廢物5.河底6.充滿7.漁民8.政府9.把垃圾扔到河里10.要求某人干某事11.關(guān)閉工廠12.打掃1

12、3.過去是 14.在中起作用，在中扮演角色 2a Listen to the interview. Circle the kinds of pollution that Jason andSusan 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 w

13、ith a lot of black smoke.3. There is also too much rubbish and waste. People _things every day.4. People are also littering in_ like parks. This turns beautiful parks into ugly places.more cars polluteare throwing awaypublic places2b Listen again and complete the sentences. Points on P5815. be badly

14、 polluted 受到嚴(yán)重污染16. public places 公共場所17. turninto 把變成18. cut down 減少19. take the bus or subway instead of driving 乘坐公交或地鐵代替開車20. ride a bike 騎自行車21. advantages of bike riding 騎自行車的好處 Points on P5822. be good for our health 對我們的健康有好處23. cost，spend，take, pay 花費(fèi)24. wood-wooden25. takeaway food 外賣食物26.

15、 throw rubbish in the bins 把垃圾扔進(jìn)垃圾箱27. keep public places clean and beautiful 保持公共場所干凈漂亮28. make a difference (to) (對)產(chǎn)生影響或作用29. lead to 導(dǎo)致，通向 Jason: The air has become really polluted around here. Im really getting worried.Susan: Yes, I used to be able to see stars in the sky.Jason: The problem is

16、that . Use the information in 2a and 2b to role-play conversations between Jason and Susan.2c 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. Other ad

17、vantages of bike riding are that its good for health and it doesnt cost anything!2d Role-play the conversation. Interviewer: Great ideas! What about waste pollution?Susan: Mmm, I think simple things like bringing a bag to go shopping can help. I started doing that a year ago.Jason: Me, too. Also, I

18、never take wooden chopsticks or plastic forks when I buy takeaway food. I use the ones at home. Susan: And remember to throw rubbish in the cans and keep public places clean and beautiful for everyone.Interviewer: So together, our actions can make a difference and lead to a better future! Complete t

19、he chart.Problems Solving problemsair pollutionwaste pollutionwooden (木頭的) chopsticks or plastic forksrubbish take the bus, subway or ride a bike instead of driving. bring a bag to go shopping.use chopsticks or forks at home.throw rubbish in the bins. 1. This is turning beautiful places into ugly on

20、es. turn into 把變成e.g. The icy rain seemed like to turn into snow. 漸漸地凍雨又變成雪花的模樣。 2. Its good for health and it doesnt cost anything! cost v. 花費(fèi)；使付出 指花費(fèi)金錢，主語通常是物。cost的過去式和過去分詞均為cost。 e.g. The new shirt cost Mr Wang 200 yuan. 王先生花了200元買了新襯衫。 How much does the new computer cost? 新電腦花了多少錢？ take, spend,

21、pay & costtake，spend，pay和cost都可以表示“花費(fèi)”，但它們的用法各有不同。1) take多表示花費(fèi)時間，常用于It takes sb. some time to do sth.這一句型中，其中it作形式主語。 e.g. It usually takes me 40 minutes to cook the dinner. 2) spend多表示花費(fèi)時間和金錢，主語通常是人，常用于sb. spend(s) some time / money on sth.和sb. spend(s) some time / money (in) doing sth.兩種句型。 e.g. D

22、avid spent 2,000 yuan on the new machine. My father spends an hour (in) watching the news on TV every day. 3) pay多表示花費(fèi)金錢，主語通常是人，常用于sb. pay(s) some money for sth.句型。 e.g. Tommy paid 20 yuan for his breakfast yesterday.4) cost多表示花費(fèi)金錢，主語通常是物，常用于sth. cost(s) (sb.) some money.句型。 e.g. The new dress cost

23、Linda 88 yuan. 根據(jù)句意用take, spend, pay或cost的適當(dāng)形式填空。1. That new car _ them lots of money.2. Mona _ 50 yuan on the books just now.3. It usually _ me an hour to do my homework. cost spent takes 4. You should _ some time practising your pronunciation.5. My brother _ 6, 000 yuan for the new computer yester

24、day.spendpaid 3. So together, our actions can make a difference and lead to a better future! make a difference (to) 表示(對)產(chǎn)生影響或作用 e.g. Do you think his words would make any difference to the final decision? 你認(rèn)為他的話會對最后的決定產(chǎn)生影 響嗎？ The new teacher always encourages little Tom. This has made a big differe

25、nce to him.新來的老師總是鼓勵小湯姆，這對他影響很大。 用動詞的適當(dāng)形式填空。1. Were trying _ (save) the earth.2. There used to _ (be) clean and beautiful.3. There are too many _ for _ to catch (fish).4. Its bad for environment to use _ (wood) chopsticks.to savebe fishwooden fishermen 用方框中所給詞的適當(dāng)形式填空。1. Dont throw _(垃圾) everywhere.2

26、. In winter, many people burn _(煤) to keep warm.3. The police found a body at the _(底部) of the lake.4. The _(花費(fèi)) of living in big cities is very high.5. He keeps a rabbit in a big _(木制的) box.cost wooden, coal , bottom, littercost woodencoalbottomlitter Homework 1 . Copy the new words and remember them. 2 . Read the listening materials of 1 b, 2 a.