新人教版九年級下冊英語 Unit 13 Section A 1a-2d課件

1、英語教學課件系列九年級RJ全一冊Unit 13Were trying to save the earth.Section A 1a-2d新課導入The earth is polluted.air pollutionn. 煤炭The factories that burn coal pollutethe air with a lot of black smoke. Factories put waste into the river.water pollutionmobile phone pollutionlitter v. 亂扔 n. 垃圾rubbish waste垃圾，廢棄物People s

2、hould throw away litter in the bin.n. 垃圾箱noise pollutionThere are more cars on the road. Language GoalTalk about pollution and envirnmental protection Factories produce too much dangerous smoke. The traffic produces too many fumes. Some people smoke in public places. Dad, whats the acid rain?Natural

3、 resources are disappearing at a dangerous rate.industryharmfulcostwoodenplasticaffort n. 工業(yè)adj. 有害的v. 花費adj. 木制的adj. 塑料的v. 支付的起Words and expressionsmake a differencetake part inturn offpay forcut downlead to 起作用；有影響參加關掉付費；付出代價減少導致Words and expressionsWere trying to save the earth. 我們在努力拯救地球。 The ri

4、ve used to be so clean. 這河流過去是如此的清澈。 The air is badly polluted. 空氣被嚴重污染。 The method is not only cruel, but also harmful to the environment. 這種方法不僅殘酷，而且對環(huán)境也有害。Sentences Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.loud musiccarsrubbishp

5、laneslitteringshipsfactoriessmokingbulding housesmobile phones1anoise pullotionair pollutionwater pollutioncars, factories, smoking, building houses(burning, power plants, nuclear waste disposal)Loud music, planes, building houses, mobile phones(machines,crowds, vihicles)rubbish, littering, ships, f

6、actories(sewage, industrial waste, pesticides)Listen and complete the sentences.what was the problem?The river was _. even the bottom of the river was full of _. there were no more _ for fishmen to catch.really dirtyrubbishfish1bwhat caused the problem?people are throwing _into the river. Factories

7、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 downclean upMark: The river was dirty. Even the bottom of the river was full of rubbish.Tony: But it used to be so cle

8、an!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 conversations about the kinds of pollution in 1a.1cListen to the interview. Circle the kinds of pollution that Jason andSusan talk abou

9、t. A. land pollution B. air pollution C. noise pollution D. water pollution2a1. 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 smoke.3. There is also too much rubbish and waste. People _things away every day.4. Peopl

10、e are also littering in_ like parks. Th is turns beautiful parks into ugly places.more carpolluteare throwing awaypublic places Listen again and complete the sentences. 2bJason: The air has become really polluted around here. Im really getting worried.Susan: Yes, I used to be able to see stars in th

11、e sky.Jason: The problem is that . Use the information in 2a and 2b to role-play conversations between Jason and Susan.2cInterviewer: 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: Yea

12、h, or ride a bike. Other advantages of bike riding are that its good for health and it doesnt cost anything!Role-play the conversation.2dInterviewer: 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 a

13、go.Jason: Me, too. Also, I 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

14、 better future!(1) become 多指身份，職位等的變化，它強調變化過程已經完成，后面可以接名詞或者形容詞。 He becomes a teacher.(2) get多用于口語，表示一種變化過程，強調的是“漸漸變化”后常接形容詞的比較級形式。Language Points辨析： turn, get與become In winter the days get shorter. 冬天白天漸漸變短。(3) turn 指的是在顏色和性質等方面與以前的完全不同，強調變化的結果。 leaves turned brown in the mountains. 山里的樹葉已經變成了棕色。 練習

15、Her mother _ angry when she heard the news.Its _ darker and darker outside.The milk has _bad.becamegettingturned cut down, 意為減少； 是“動詞+副詞”結構的短語，后面所帶的賓語為名詞時，賓語可以位于down的前面或后面；為代詞時只能位于down前面。 Youd better cut the article down to about 2000 words. cut 后接off, into,up, in 的不同：拓展cut off切斷；切除cut into把.切成.cut

16、up切碎cut in 插隊花費主語表示內容spend人賓語可以是錢，精力，時間等。cost物或事后接life，money，health，time等，側重與花費的代價take事或人說明事情完成花費了.pay人支付 作為及物動詞，可以是 pay sb 或pay some money；作為不及物動詞，形式為pay for。for表支付的原因。辨析：spend, cost, take, pay1. Do you take exercise everyday? Yes, I always _ thirty minutes after supper. A spend B cost C take D pay

17、2. I _ 300 yuan for the bike. A took B spend C cost D paid用方框中所給詞的適當形式填空。1. Dont throw _(垃圾) everywhere.2. 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) of living in big cities is very high.5. He keeps a rabbit in a big _(木制的) box.cost

18、 wooden, coal , bottom, littercost woodencoalbottomlitter1. He _ go out with his parents, but nowhe _ stay at home alone. A. use to; is used to B. is used to; used to C.use to; used to D. is used to; is used to2. The interesting book _ me 10 yuan. A. took B. paid C. spend D. costChoose the best answer.3. We must do something useful to _ pollution. A. cut off B. cut up C. cut down D. cut in4. Smoking can _ lung cancer. youd bettter give it up. Awork on Blead to Ctake away Dput out5. What are the _ of bike riding? - It can help cut down air pollution. Aadvantage Breasons Cresults Dideas1. 多一個人