Unit3sectionB(教育精品).ppt

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1、EnvironmentSection BUnit 3Chaijing Under the domeWhats it about?1.Whats fog and haze?2.Where is it from?3.How can we do with it?Lets WatchWhat can you see?Pollution.What are the pollutions?Air pollution,water pollution,soil pollution,light pollution,noise pollution,etc.Read and match.PM 2.5 A.water

2、pollutionRed water B.noise pollutionPoisonous rice C.air pollutionCar horns D.soil pollutionIts Tanghe River-Mother River of Wenzhou.In my childhood,its clean and clear.We could catch a lot of fish in the river.The water smells bad.There are fewer fish than before.T:Do you know what causes water pol

3、lution？S:Waste from factories and rubbish.Lets imitateT:What can be done to help stop pollution?S:People should not be allowed to pour waste into the river directly.We should also stop dumping rubbish into the river.Speaking 2Listen and fill in the formProblemCauseEffectSolutionwater pollutionwaste

4、from factories and rubbish the water smells bad;fewer fish than beforeFactories should not be allowed to pourWe should also stop dumping rubbishT:Where did you go last weekend?S:To Tanghe River of Wenzhou.T:Did you have fun?S:Not at all.The water smells bad.I miss my childhood very much.T:Why?S:Beca

5、use when I was young we could catch a lot of fish in the river.Now there are fewer fish than before.T:Do you know what causes water pollution?S:Waste from factories and rubbish.T:What can be done to help stop pollution?S:Factories should not be allowed to pour waste into the river directly.We should

6、 also stop dumping rubbish into the river.T:Right.Everyone should know how important it is to protect the water.Everyone should know how important it is to protect the water.How important it is!to protect the riverstop doing sth.停止做某事 stop to do sth.停下来做某事 allow pour protect cause waste Cars in traf

7、fic jams _ a great deal of pollution.How could you _ him to do something like that?The chimneys _ out a lot of black smoke.A lot of _ water comes from the chemical factory.How do you _ yourself from air pollution?causeallowpourwasteprotectProblems What can we do to solve this problem?loudspeaker n.扩

8、音器扩音器 Loudspeakers make too much noise.volume n.n.音量音量Turn down the volume.Lets thinkSpeaking 2Problems What can we do to solve this problem?Waste battery Littering waste batteriesmakes farmland useless.recycling stationTake the waste batteries to the recycling station,and use rechargeable batteries

9、rechargeableLets thinkSpeaking 2Make up a dialogue.根据情境，根据情境，创编话创编话。You may start like this:A:Have you heard of?B:Yes.A:Do you know what causes.?B:A:What can be done?B:collect litter on weekendsWhat do you do in your free time to help protect the environment?ReadingLets discussplant trees in spring

10、clean the roads grow flowerswork as a volunteer Collect wastes in the mountains.Interview Ivan.R:Nice to meet you!I:Nice to meet you too!R:When did you start work as an English teacher at Wenzhou Vocational and Technical College in Wenzhou?I:_.R:What did you do on the pathways of Da Luo Mountain?I:_

11、.R:How often do you pick up rubbish on Da Luo Mountain now?I:_.R:What changes have happened to Da Luo Mountain because of your efforts?I:_.R:Will you stop this activity?I:_.R:Thank you for your great work.In September 2011.I picked up rubbish.Once a week.Many people choose to spend a little of their

12、 time picking up rubbish and a lot of more people dont drop rubbish any more.No,I will not stop this activity until he is dead or he is unable to get up off his bed.Ivan Davis _ to work at Wenzhou Vocational and Technical College in 2011.He _up some paths of Dalou Mountain in the first few weeks.Lat

13、er,he began to pick up rubbish on one_ of the mountain pathways.At first,he could go and pick rubbish for an hour or two _ times a week.After he realized that picking up rubbish in the mountain _ a longterm commitment,he then _ into a _ routine.Far from now,a lot of _ have happened to Da LuoMountain

14、.A lot of people would like to pick up rubbish when _ the mountain,and people dont _ any more.Thats the reason why our _is slowly changing.Ivan hopes these changes will go on and _.He himself will never stop this activity unless he is dead or _ to get up off his bed.Its a lifetime job because our children and grandchildren will _on us to live in a better place.startedwalkedsectionseveralneededsettledonce-a-weekchangesclimbingdropenvironmentgrowunabledependUnit 3Homework:1.Read or recite the dialogues of this lesson.2.Make up a new dialogue and write it down.