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1、Section APeriod 1 ( 1a 2d)Unit 13 We are trying to save the earth. 第1頁/共51頁The earth is polluted.第2頁/共51頁air pollutionThe factories that burn coal pollutethe air with a lot of black smoke. 第3頁/共51頁Factories put waste into the river.water pollution第4頁/共51頁noise pollutionThere are more cars on the roa

2、d.第5頁/共51頁litter v. 亂扔 n. 垃圾Rubbish， waste垃圾，廢棄物People should throw away litter in the bin.land pollution第6頁/共51頁1aHere are some words related to different kinds of pollution. Write them in the box below. Then add more words.第7頁/共51頁noise pollution _carsair pollution _water pollution _loud musicplan

3、esmobile phonesfactoriescarssmokingshipsfactorieslitteringrubbishbuilding housesbuilding housesloud music cars rubbish planeslittering ships factories smokingbuilding houses mobile phones第8頁/共51頁Help save the earth We must think of better way to treat our planet in future.第9頁/共51頁What do you usually

4、 do ?Are you a friend of the Earth? Take this quiz.START第10頁/共51頁You drink a can of cola. What do you do?I throw away cans.I recycle cans.第11頁/共51頁You throw away the cans. Thats bad for the Earth.第12頁/共51頁You recycle the cans.Thats good for the Earth.第13頁/共51頁There are a lot of old newspapers at you

5、r home. What do you do?I throw the old newspapers away.I recycle the old newspapers.第14頁/共51頁You throw old newspapers away.You waste paper.Thats bad for the Earth.第15頁/共51頁You recycle old newspapers. You save paper.Thats good for the Earth.第16頁/共51頁You go shopping. What do you do?I use a lot of new

6、plastic bags.I use my own bag.第17頁/共51頁You use a lot of new plastic bags. Thats bad for the Earth.第18頁/共51頁You use your own bag.Thats good for the Earth.第19頁/共51頁When you write on a piece of paper, what do you do?I write on one side only.I write on both sides.第20頁/共51頁You use paper on one side only.

7、Thats bad for the Earth.第21頁/共51頁You use paper on both sides.Thats good for the Earth.第22頁/共51頁 close down the factories; help to clean up the river; take the bus or 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 res

8、usable bags; recycle books and paper; turn off the shower when you wash your hair; dont use napkins; rethink,reuse, recycle . .第23頁/共51頁1bListen and complete the sentences.What was the problem?The river was _. Even the bottom (底部底部) of the river was full of _. There were no more _ for fishermen (漁民漁

9、民) to catch.really dirtyrubbishfish第24頁/共51頁What caused the problem?People are throwing _ into the river. Factories are putting _ into the river.How should the problem be solved?We should write to the _ and ask them to _ the factories. Everyone should help to _ the river.litterwastegovernmentclose d

10、ownclean up第25頁/共51頁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: Everyone in this town should play a part in cleaning it up! Role-play the conversation. Then make your own conversat

11、ions about the kinds of pollution in 1a.1c1c第26頁/共51頁P(yáng)oints on P571.try to do =try ones best to do 努力去做某事努力去做某事2.be related to 與與有關(guān)有關(guān)3.mobile phones 手機(jī)手機(jī)4.rubbish, litter ,waste 垃圾垃圾,廢物廢物5.the bottom of the river 河底河底6.be full of 充滿充滿7.fisherman-fishermen 漁民漁民8.government 政府政府9.throw litter into the

12、 river 把垃圾扔到河里把垃圾扔到河里10. ask sb. to do 要求某人干某事要求某人干某事11. close down the factories 關(guān)閉工廠關(guān)閉工廠12. clean up 打掃打掃13. used to be過去是過去是14. play a part in參與，在參與，在中扮演角色中扮演角色 第27頁/共51頁Memory1.努力去做某事努力去做某事2.與與有關(guān)有關(guān)3.手機(jī)手機(jī)4.垃圾垃圾,廢物廢物5.河底河底6.充滿充滿7.漁民漁民8.政府政府9.把垃圾扔到河里把垃圾扔到河里10. 要求某人干某事要求某人干某事11. 關(guān)閉工廠關(guān)閉工廠12. 打掃打掃13.

13、過去是過去是14. 在在中起作用，在中起作用，在中扮演角色中扮演角色 第28頁/共51頁2a2a 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第29頁/共51頁1. The air is badly polluted because there are _on the road these days.2. Factories

14、 that burn coal also _ the air with 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 carspolluteare throwing awaypublic places2b2b Listen again and complete the sen

15、tences. 第30頁/共51頁P(yáng)oints on P5815. be badly polluted 受到嚴(yán)重污染受到嚴(yán)重污染16. public places 公共場所公共場所17. turninto 把把變成變成18. cut down 減少減少19. take the bus or subway instead of driving 乘坐乘坐公交或地鐵代替開車公交或地鐵代替開車20. ride a bike 騎自行車騎自行車21. advantages of bike riding 騎自行車的好處騎自行車的好處 第31頁/共51頁P(yáng)oints on P5822. be good for

16、 our health 對我們的健康有好處對我們的健康有好處23. cost，spend，take, pay 花費(fèi)花費(fèi)24. wood-wooden25. takeaway food 外賣食物外賣食物26. throw rubbish in the bins 把垃圾扔進(jìn)垃圾箱把垃圾扔進(jìn)垃圾箱27. keep public places clean and beautiful 保持公共保持公共場所干凈漂亮場所干凈漂亮28. make a difference (to) (對對)產(chǎn)生影響或作用產(chǎn)生影響或作用29. lead to 導(dǎo)致，通向?qū)е?，通?第32頁/共51頁Jason: The air

17、 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 that . Use the information in 2a and 2b to role-play conversations between Jason and Susan.2c2c第33頁/共51頁Interviewer: Jason and Susan, what are your ideas for

18、 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 advantages of bike riding are that its good for health and it doesnt cost anything!2 2d dRole-play the conversation.第34頁/共51頁Interviewer: Great ideas

19、! 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 never take wooden chopsticks or plastic forks when I buy takeaway food. I use the ones at home.第35頁/共51頁Susan: And remember to throw rub

20、bish 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!第36頁/共51頁Complete the chart.ProblemsSolving problemsair pollutionwaste pollutionwooden (木頭木頭的的) chopsticks or plastic forksrubbishtake the

21、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.第37頁/共51頁1. This is turning beautiful places into ugly ones. turn into 把把變成變成e.g. The icy rain seemed like to turn into snow. 漸漸地凍雨又變成雪花的模樣。 第38頁/共51頁2. Its good for he

22、alth 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？第39頁/共51頁take, spend, 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(shí)間，常用于It takes sb. some time

23、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.第40頁/共51頁2) spend多表示花費(fèi)時(shí)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. David spent 2,000 yuan on the new machine. My father spends an hour (in) watching th

24、e news on TV every day.第41頁/共51頁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 Linda 88 yuan.第42頁/共51頁根據(jù)句意用take, spend, pay或cost的適當(dāng)形式填空。1. That new car _

25、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第43頁/共51頁4. You should _ some time practising your pronunciation.5. My brother _ 6, 000 yuan for the new computer yesterday.spendpaid第44頁/共51頁3. So together, our actions can make a

26、 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？ 第45頁/共51頁The new teacher always encourages little Tom. This has made a big difference to him.新來的老師總是鼓勵小湯姆，這對他影響很大。第46頁/共51頁用動

27、詞的適當(dāng)形式填空。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 savebefishwoodenfishermen第47頁/共51頁用方框中所給詞的適當(dāng)形式填空。1. Dont throw _(垃圾) everywhere.2. In winter, many

28、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第48頁/共51頁Homework 1. Copy the new words and remember them. 2. Read the listening materials of 1b, 2a.第49頁/共51頁第50頁/共51頁感謝您的觀看。第51頁/共51頁