九年級(jí)英語(yǔ)13單元課件

1、Unit13 Were trying to save the earth!Section A 1a -2c（第1課時(shí)） Factories produce too much dangerous smoke. The traffic produces too many gases. Some people smoke in public places. air pollutionThe factories that burn coal pollutethe air with a lot of black smoke. n. 煤炭煤炭Factories put waste into the riv

2、er.water pollutionnoise pollutionThere are more cars on the road.litter v. 亂扔亂扔 n. 垃圾垃圾rubbish， waste垃圾，廢棄物垃圾，廢棄物People should throw away litter in the bin.n. 垃圾箱垃圾箱land pollution1aHere are some words related to different kinds of pollution. Write them in the box below. Then add more words.noise pol

3、lution _carsair pollution _water pollution _loud musicplanesmobile phonesfactoriescarssmokingshipsfactorieslitteringrubbishbuilding housesbuilding housesloud music cars rubbish planeslittering ships factories smokingbuilding houses mobile phones1b. Listen to the tape and complete the sentences. What

4、 was the problem? The river was _.Even the bottom(底部）of the river was full of _. There were no more _ for fishermen to catch.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 _

5、the factories. Everyone should help to _ the river.really dirtyrubbishfishlitterwastegovernmentclose downclean upMark: 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 s

6、hould play a part in cleaning it up! Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a.1c1c2a2aListen 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

7、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 every day.4. People are also littering in_ like parks. This turns beautiful parks into ugly places.m

8、ore carspolluteare throwing awaypublic places2b2b Listen again and complete the sentences. 1.We are trying to save the earth.我們正在努力拯救地球。我們正在努力拯救地球。 【解析】try doing sth 嘗試做某事（不一定付出很大努力） try to do sth 盡力做某事（強(qiáng)調(diào)付出一定的努力設(shè) 法完成） 想一想? 盡某人最大的努力做某事 try_ 2. But it used to be so clean. 但它過(guò)去是如此干凈。但它過(guò)去是如此干凈。 【解析】use

9、d to 的意思是 _, 其中to是不定式符號(hào)，不是 介詞，所以其后要接_。 be used to 的意思是_，其中to是介詞，其后要接 _ 【合作探究合作探究】ones best to do sth.習(xí)慣干某事過(guò)去常常做某事動(dòng)詞原形doing2. He _ go out with his parents, but now he _ staying at home alone. A. used to; is used to B. is used to; used to C. use to; is used to D. is used to; is used to Language Points

10、try to do =try ones best to do 努力去做某事努力去做某事rubbish, litter ,waste 垃圾垃圾,廢物廢物the bottom of the river 河底河底be full of 充滿充滿fisherman-fishermen 漁民漁民throw litter into the river 把垃圾扔到河里把垃圾扔到河里ask sb. to do 要求某人干某事要求某人干某事close down the factories 關(guān)閉工廠關(guān)閉工廠clean up 打掃打掃used to be過(guò)去是過(guò)去是play a part in參與，在參與，在中扮演角

11、色中扮演角色throw away 扔掉，拋棄扔掉，拋棄turninto 把把變成變成 Review present progressive(現(xiàn)在進(jìn)現(xiàn)在進(jìn)行時(shí)行時(shí)）, passive voice（被動(dòng)語(yǔ)被動(dòng)語(yǔ)態(tài)）態(tài)）,used to 用法用法Think about ways of protecting the environment.1. We should not throw_ （垃圾）（垃圾）in the river.2. The teacher asked us to find a way to pick up the coins at the _（底部）（底部）of the bottle

12、.3. There are no more fish for _ （漁夫）（漁夫）to catch in the river.【當(dāng)堂檢測(cè)當(dāng)堂檢測(cè)】litterbottomfishermanIII. 根據(jù)漢語(yǔ)意思完成下列句子。根據(jù)漢語(yǔ)意思完成下列句子。1. 工廠正在往河里排放廢物。工廠正在往河里排放廢物。 Factories _ _ _ in the river. 2. 兩年前這條河被污染了。兩年前這條河被污染了。 The river_ _ two years ago. 3. 甚至河底滿是垃圾。甚至河底滿是垃圾。 Even _ _ _ the river was full of rubbish. was polluted are pouring waste the bot