九年級(jí)英語(yǔ)時(shí)PPT課件

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

2、d.第5頁(yè)/共51頁(yè)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(yè)/共51頁(yè)1aHere are some words related to different kinds of pollution. Write them in the box below. Then add more words.第7頁(yè)/共51頁(yè)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(yè)/共51頁(yè)Help save the earth We must think of better way to treat our planet in future.第9頁(yè)/共51頁(yè)What do you usually

4、 do ?Are you a friend of the Earth? Take this quiz.START第10頁(yè)/共51頁(yè)You drink a can of cola. What do you do?I throw away cans.I recycle cans.第11頁(yè)/共51頁(yè)You throw away the cans. Thats bad for the Earth.第12頁(yè)/共51頁(yè)You recycle the cans.Thats good for the Earth.第13頁(yè)/共51頁(yè)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(yè)/共51頁(yè)You throw old newspapers away.You waste paper.Thats bad for the Earth.第15頁(yè)/共51頁(yè)You recycle old newspapers. You save paper.Thats good for the Earth.第16頁(yè)/共51頁(yè)You go shopping. What do you do?I use a lot of new

6、plastic bags.I use my own bag.第17頁(yè)/共51頁(yè)You use a lot of new plastic bags. Thats bad for the Earth.第18頁(yè)/共51頁(yè)You use your own bag.Thats good for the Earth.第19頁(yè)/共51頁(yè)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(yè)/共51頁(yè)You use paper on one side only.

7、Thats bad for the Earth.第21頁(yè)/共51頁(yè)You use paper on both sides.Thats good for the Earth.第22頁(yè)/共51頁(yè) 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(yè)/共51頁(yè)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(yè)/共51頁(yè)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(yè)/共51頁(yè)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(yè)/共51頁(yè)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(guò)去是過(guò)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(yè)/共51頁(yè)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(guò)去是過(guò)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(yè)/共51頁(yè)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(yè)/共51頁(yè)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(yè)/共51頁(yè)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(chǎng)所公共場(chǎng)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(yè)/共51頁(yè)P(yáng)oints on P5822. be good for

16、 our health 對(duì)我們的健康有好處對(duì)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(chǎng)所干凈漂亮場(chǎng)所干凈漂亮28. make a difference (to) (對(duì)對(duì))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拢ㄏ?第32頁(yè)/共51頁(yè)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(yè)/共51頁(yè)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(yè)/共51頁(yè)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(yè)/共51頁(yè)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(yè)/共51頁(yè)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(yè)/共51頁(yè)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(yè)/共51頁(yè)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(yǔ)通常是物。cost的過(guò)去式和過(guò)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(yè)/共51頁(yè)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(yǔ)。 e.g. It usually takes me 40 minutes to cook the dinner.第40頁(yè)/共51頁(yè)2) spend多表示花費(fèi)時(shí)間和金錢，主語(yǔ)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(yè)/共51頁(yè)3) pay多表示花費(fèi)金錢，主語(yǔ)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(yǔ)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(yè)/共51頁(yè)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(yè)/共51頁(yè)4. You should _ some time practising your pronunciation.5. My brother _ 6, 000 yuan for the new computer yesterday.spendpaid第44頁(yè)/共51頁(yè)3. So together, our actions can make a

26、 difference and lead to a better future! make a difference (to) 表示(對(duì))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(huì)對(duì)最后的決定產(chǎn)生影 響嗎？ 第45頁(yè)/共51頁(yè)The new teacher always encourages little Tom. This has made a big difference to him.新來(lái)的老師總是鼓勵(lì)小湯姆，這對(duì)他影響很大。第46頁(yè)/共51頁(yè)用動(dòng)

27、詞的適當(dāng)形式填空。用動(dòng)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(yè)/共51頁(yè)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(yè)/共51頁(yè)Homework 1. Copy the new words and remember them. 2. Read the listening materials of 1b, 2a.第49頁(yè)/共51頁(yè)第50頁(yè)/共51頁(yè)感謝您的觀看。第51頁(yè)/共51頁(yè)