山东省邹平县实验中学九年级英语全册Unit13We’retryingtosavetheearthSectionA课件3（新版）人教新目标版.ppt

1、Unit 13 We are trying to save the earth.,Section A 1a-3b,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,seriou

2、s pollution,We are harming our planet in so many ways.,伤害,air pollution,soil pollution,water pollution,the earth song by Michael Jackson !,Factories pour dangerous gases into the air.,Cars also pour dangerous gases into the air.,tail gas,air pollution!,The weather is always foggy. We cant see the bl

3、ue sky. We cant breathe the fresh air. Do you know why?,Factories produce too much dangerous smoke. The traffic produces too many fumes. Some people smoke in public places.,Dad, whats the acid rain?,Natural resources are disappearing at a dangerous rate.,以危险的速度,Help save the earth,We must think of b

4、etter way to treat our planet in future.,Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a.,1c,辨析： turn, get与become (1) become 多指身份，职位等的变化， 它强调变化过程已经完成，后面可以接名词 或者形容词。 He becomes a teacher. (2) get多用于口语，表示一种变化过程， 强调的是“渐渐变化”后常接形容词的比较级形式。,Language Points,no

5、ise pullotion,air pollution,water pollution,Listen and complete the sentences.,1b,really dirty,rubbish,fish,litter,waste,government,close down,clean up,2a,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.

6、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 smoke. 3. There is also too much rubbish and waste. People _things away every day. 4. People are also littering in_ like parks. Th is turns beautiful

7、 parks into ugly places.,more car,pollute,are throwing away,public places,2b,Listen again and complete the sentences.,In winter the days get shorter. 冬天白天渐渐变短。 (3) turn 指的是在颜色和性质等方面与以前的完全不同，强调变化的结果。 leaves turned brown in the mountains. 山里的树叶已经变成了棕色。 ： Her mother _ angry when she heard the news. Its

8、 _ darker and darker outside. The milk has _bad.,练习,became,getting,turned,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：,拓展,辨析：spend, cost, take, pay,1. Do you take exercise everyday? Yes, I

9、 always _ thirty minutes after supper. A spend B cost C take D pay 2. I _ 300 yuan for the bike. A took B spend C cost D paid,用方框中所给词的适当形式填空。 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 _(花费) of living

10、in big cities is very high. 5. He keeps a rabbit in a big _(木制的) box.,cost,wooden,coal,bottom,litter,1. He _ go out with his parents, but now he _ 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 to 2. The interesting book _ me 10 yuan. A. too

11、k B. paid C. spend D. cost,Choose the best answer.,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 bettter give it up. Awork on Blead to Ctake away Dput out,5. What are the _ of bike riding? - It can help cut down air pollution. Aadvantage Breasons Cresults Dideas,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 _ _ _ books. 3. 不健康的饮食对这种疾病的传播起一定的作用。 Unhealthy foods _ _ _ _