1 4 Unit 11 Let’s Protect the Environment课件(北京课改版九年级).ppt(课件中不含音视频素材)

1、Unit 11 Lets Protect the EnvironmentListening and Speakingwater shortage in the west of China air pollution by the gases from factories water pollution by the waste from factories air pollution by the gases from carsloss of forests the melting of Alpine GlaciersWarm-up:What environment problems do w

2、e have?Warm-up:What environment problems do we have?water shortage in the west of Chinawater pollution by the waste from factoriesWarm-up:What environment problems do we have?air pollution by the gases from factoriesWarm-up:What environment problems do we have?air pollution by the gases from carsWar

3、m-up:What environment problems do we have?the melting of Alpine GlaciersWarm-up:What environment problems do we have?loss of forestsWarm-up:What environment problems do we have?What other environment problems do you see in our daily life?serious environment(n.)/environmental(adj.)cause n./v.garbage

4、gas prevent global warming conserveListen and choose the right answer.Dialogue A1.They are talking about _.A.air pollution B.water pollution C.global warming2.They suggested that we should _.A.plant trees B.form environmental groups C.conserve waterAA tour n.litter bags Dont litter.crowded garbage c

5、anDialogue B3.Mike thinks that Dalian is a _ city.A.clean B.dirty C.crowded4.The woman sitting beside Mike threw the litter bag _.A.on the floor B.outside C.into the garbage canABListen and choose the right answer.mention v.carbon dioxide atmosphere oil5.They are talking about _.A.water pollution B.

6、air pollution C.global warming6.They didnt mention _.A.taking a bus B.riding a bicycle C.taking the subwayDialogue CCCListen and choose the right answer.Listen again and answer questions.Dialogue AAccording to Liu Feng,what are the possible reasons of the air pollution?It is mainly polluted by garba

7、ge and gases.Dialogue BListen again and answer questions.What did Mike do when he saw a woman throw the litter bag out into the city street?He told her that it was not right to litter.Dialogue CListen again and answer questions.What is carbon dioxide in the atmosphere?Where does it come from?It is a

8、 kind of gas that would cause global warming.The burning of oil is one of the reasons.surface influence ocean nearly lack be related to+n.Listen and fill in the blanks.1.The coverage(覆盖范围覆盖范围)of water of the earths surface:_.2.The result of water pollution:a.Water pollution influences drinking water

9、,_,_,and oceans all over the world.b.Nearly 1.5 billion people lack _.c.At least 5 million deaths _ water born diseases per year.70%riverslakessafe drinking waterare related toWork in pairs:What do you think is the most serious environmental problem?Talk about it.water shortage global warming water

10、pollution animals in dangerresource(资源资源)shortage loss of forestsA:What do you think is the most serious environmental problem?B:I think it is air pollution.A:What are the possible cause of the air pollution?B:It is polluted by the gases from cars and factories.A:What can we do to prevent the pollution?B:I think we can plant more trees.