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1、Unit 8 We re trying to save the earthI. Revision(1) Wr i te down these phrases.停止乘小汽车回收纸用纸巾好好利用用垃圾建造房倒置经营小生意回复，归还旧玻璃瓶拆下一个有创意的大脑开一个小店更受欢迎的作品.给他人带来欢乐 Talk about 2b withyour peirtner.II. Presentation(1) What should we do, to save the earth?Turn off the lights when we leave a room.Take our own bags when
2、 shopping.Ride a bike.Recycle paper.Don t use paper napkins.(2) What should governments do to save the earth?They should close -down the. factories that put waste into the river.Set up a lot of dustbins on the street.Stop people frrx)m using wooden chopsticks, plastic bowls and bags.Organize peopIe
3、to clean up the sLreets and rivers.III. WritingWork on 3a. Which parts of the town/ city have a nice environment? Why are they nice? Which parts need to be improved? Why?Good environmentWhyBad environmentWhyFill in the chart about your city.(1) Work on 3b.Write a letter to the city major about the p
4、roblem and your suggestions.In your letter, describe the environmental problems in your town/city.j What are the problems? Where are they? What or who is causing these problems?Then, give suggestions or possible ways to solve the problems. I think that,He should/ couldI suggest本次写作内容是一封书信,信中首先要介绍你所在
5、城市存在有哪些环境问题，是谁造成的 这些问题，然后提出解决这些环境问题的方法和措施，可以结合3a中列举的问题和前面 学过的解决办法来完成这封信。One possible .versionDear Sir/ Madam,Environmental problems are becoming more and more serious all over the world. With, the development of the society, there are too many cars on the streets in our city. Cars have made the air
6、unhealthy for people to breathe. Black smo,ke and poisonous gas are given off by factories. Factories al so put waste into trhe river. And wherever we go, we can find rubbish.Now more and more people have realized these problems. I think that governments should close down the factories and develop l
7、aws to stop people, from driving carsevery day. I suggest everyone in this town should help to clean up the river andthe streets. We should cal 1 on everyone in the town to throw rubbish in the dustbins.I hope the problem will be solved in the near future and our home will become better and better.I
8、V. Self Check1. Write different forms ofthe words. Then addmore to each group.v. n.pollute actprotecti nspire b,u i 1 d create farmsing traveldrive runwrite n. 一 adj.fame wood sciencehealth south rcare rain cloudluck ,help color ,day adj. n.sunny noisy harmful beautiful different .important-r-woolen
9、adj. adv.slow wide suddenreal quick true possiblehappyloud quiet heavy easy angry good2. Match each statement with the grammar structure.StatementGrammarThe river used to be so clean.Present progressiveWe have seen many changes in the , environment.Modal verbsPeople should take public transportation
10、 more.Passive voiceThe river is polluted by factories.used toThe air pollution is getting worse and worse.Present perfect3. Write ways to cut down on these kinds of pollution.Kinds of po.llution, Wayrs to cut downwater pollutionland pollutionnoise pollutionair pollution. HomeworkFinish your pas.sage of 3b.