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1、The earth is polluted.air pollutionThe factories that burn coal pollutethe air with a lot of black smoke. n. 煤炭煤炭Factories put waste into the river.water pollutionmobile phone pollutionlitter 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noise pollutionT

2、here are more cars on the road.1aHere are some hxstudy words related to different kinds of pollution. Write them in the box below. Then add more words.noise pollution _air pollution _water pollution _loud musicplanesmobile phonesfactoriescarssmokingshipsfactorieslitteringrubbishbuilding housesbuildi

3、ng housesloud music cars rubbish planeslittering ships factories smokingbuilding houses mobile phones1bListen and complete the sentences.What was the problem?The river was _. Even the bottom (底部底部) of the hxstudy river was full of _. There were no more _ for fishermen (漁民漁民) to catch.really dirtyrub

4、bishfishWhat 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 downclean upListen again and check ()

5、 the sentences you hear.1. We could go fishing in the river.2. The river was really dirty.3. The river has always been the nicest river in this town.4. We should ask the teachers for help.1cThe river was dirty. Even the bottom of the river was full of rubbish.But it used to be so clean!Yes, but peop

6、le are throwing litter into the river.Everyone in this town should play a part in cleaning it up!Make conversations using the pollution in 1a.The river has always been the nicest river in this town.Yes, it used to be so clean.What caused the problem?But I was there last weekend and the river was rea

7、lly dirty.Factories are also putting waste into the river.People are throwing litter into the river.What should we do?Yes, everyone in this town should play a part.We should write to the government and ask them to close down the factories.What else can we do?Everyone should help to clean up the rive

8、r.1. Were trying to save the earth! 我們正在竭盡全力拯救地球我們正在竭盡全力拯救地球! try to do =try ones best to do 努力去做某事。努力去做某事。 e.g. Every student should try to study hard in order to study in a university. 為了進入大學(xué)學(xué)習(xí)，每個學(xué)生都應(yīng)該為了進入大學(xué)學(xué)習(xí)，每個學(xué)生都應(yīng)該 努力學(xué)習(xí)。努力學(xué)習(xí)。2. Here are some words related to different kinds of pollution. be rel

9、ated to 與與有關(guān)有關(guān) e.g. I am not related to him in any way. 我和他無任何關(guān)系。我和他無任何關(guān)系。 3. Everyone in this town should play a part in cleaning it up! play a part in 在在方面起作用方面起作用 e.g. A good diet plays a large part in helping people live longer. 健康的飲食在幫助人們長壽方面起著健康的飲食在幫助人們長壽方面起著 非常大的作用。非常大的作用。play a part 在在中扮演角色中

10、扮演角色 e.g. He was invited to play a part in this TV play. 他被邀請參加這個電視劇的演出。他被邀請參加這個電視劇的演出。4. Even the bottom of the river was full of rubbish. Yes, but people are throwing litter into the river.litter和和rubbish都可指都可指“垃圾垃圾”，用作，用作不可數(shù)名詞不可數(shù)名詞。rubbish指指“沒用的東西沒用的東西(被扔或?qū)⒁獊G被扔或?qū)⒁獊G棄的無用的東西棄的無用的東西)”不可回收不可回收。litter指

11、指“(室內(nèi)或公共場所室內(nèi)或公共場所)亂扔的廢物亂扔的廢物(紙屑、不要的包裝紙、廢瓶等紙屑、不要的包裝紙、廢瓶等)”還可還可回收?；厥?。e.g. Throw the rubbish out. 把垃圾扔出去。把垃圾扔出去。The room is full of rubbish. 房間里堆滿了垃圾。房間里堆滿了垃圾。Pick up your litter after a picnic. 野餐后將廢棄物收拾好。野餐后將廢棄物收拾好。 2aListen to the interview. Circle the kinds of pollution that Jason and Susan talk ab

12、out.A. land pollution B. air pollutionC. noise pollution D. water pollution2bListen again and complete the sentences.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.more carspollute3. There is also too much

13、rubbish and waste. People _ things every day.4. People are also littering in _ like parks. This is turning beautiful places into ugly (丑陋丑陋) ones. are throwing awaypublic places1. Who is the interviewer talking to?2. What are they talking about?3. What other problems do they see?Susan and Jason.The

14、environmental problems.Theres too much rubbish and waste in the streets.Role-play conversations between Jason and Susan.2cThe air has become really polluted around here. Im getting very worried.Yes, I used to be able to see stars in the sky.The problem is that What should we do to save the earth?Tur

15、n off the lights when you leave a room.關(guān)掉關(guān)掉stop riding in carsstop using paper towels or napkins（餐巾，餐巾紙）（餐巾，餐巾紙）recycle books and paper回收利用回收利用2dRead 2d and complete the chart.ProblemsSolving problemsair pollutionwaste pollutionwooden (木頭木頭的的) chopsticks or plastic forksrubbishtake the bus, subway o

16、r ride a bike instead of driving. bring a bag to go shopping.use chopsticks or forks at home.throw rubbish in the bins.Jason and Susan, what are your ideas for solving these problems?Yeah, or ride a bike. There are other advantages (優(yōu)點優(yōu)點) of bike riding. Its good for health and it doesnt cost (花費花費)

17、 anything!Well, to cut down air pollution, we should take the bus or subway instead of driving.Great ideas! What about waste pollution?Me, too. Also, I never take wooden chopsticks or plastic (塑料塑料) forks when I buy takeaway (外賣食品外賣食品) food. I use the ones at home.Mmm, I think simple things like bri

18、nging a bag to go shopping can help. I started doing that a year ago.And remember to throw rubbish in the bins and keep public places clean and beautiful for everyone.So together, our actions can make a difference and lead to a better future!1. This is turning beautiful places into ugly ones. turn i

19、nto 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。漸漸地凍雨又變成雪花的模樣。 2. Its good for health and it doesnt cost anything! cost v. 花費；使付出花費；使付出 指花費金錢，主語通常是物。指花費金錢，主語通常是物。cost的過的過去式和過去分詞均為去式和過去分詞均為cost。 e.g. The new shirt cost Mr Wang 200 yuan. 王先生花了王先生花了200元買了新襯衫。元買了新襯衫。 How much do

20、es the new computer cost? 新電腦花了多少錢？新電腦花了多少錢？take, spend, pay & costtake，spend，pay和和cost都可以表示都可以表示“花花費費”，但它們的用法各有不同。，但它們的用法各有不同。1) take多表示花費時間多表示花費時間，常用于，常用于It takes sb. some time to do sth.這一句型中，這一句型中，其中其中it作形式主語作形式主語。 e.g. It usually takes me 40 minutes to cook the dinner.2) spend多表示花費時間和金錢，主語通多表示花

21、費時間和金錢，主語通常是人常是人，常用于，常用于sb. spend(s) some time / money on sth.和和sb. spend(s) some time / money (in) doing sth.兩種句型。兩種句型。 e.g. David spent 2,000 yuan on the new machine. My father spends an hour (in) watching the news on TV every day.3) pay多表示花費金錢，主語通常是人多表示花費金錢，主語通常是人，常用于常用于sb. pay(s) some money for

22、sth.句句型。型。 e.g. Tommy paid 20 yuan for his breakfast yesterday.4) cost多表示花費金錢，主語通常是物多表示花費金錢，主語通常是物，常用于常用于sth. cost(s) (sb.) some money.句句型。型。 e.g. The new dress cost Linda 88 yuan.根據(jù)句意用根據(jù)句意用take, spend, pay或或cost的適當(dāng)?shù)倪m當(dāng)形式填空。形式填空。1. That new car _ them lots of money.2. Mona _ 50 yuan on the books just

23、 now.3. It usually _ me an hour to do my homework.cost spent takes4. You should _ some time practising your pronunciation.5. My brother _ 6, 000 yuan for the new computer yesterday.spendpaid3. So together, our actions can make a difference and lead to a better future! make a difference (to) 表示表示(對對)

24、產(chǎn)生影響或作用產(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)生影你認(rèn)為他的話會對最后的決定產(chǎn)生影 響嗎？響嗎？ 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，這對他影新來的老師總是鼓勵小湯姆，這對他影響很大。響很大。用動詞的適當(dāng)形式填空。用動詞的適當(dāng)形式填空。1. Were trying _ (sa

25、ve) 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 savebefishwoodenfishermenThe earth is badly polluted. Please make a poster and think of what we can do.1. Copy the new words and remember them. 2. Read the listening hxstudy materials of 1b, 2a.