课件九年级英语unit13.ppt

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1、SectionA第一课时(1a-1c)Unit13We’retryingtosavetheearth.人教版九年级下册litterv.乱扔n.垃圾；废弃物bottomn.底部；最下部fishermann.钓鱼的人Factoriespourdangerousgasesintotheair.Carsalsopourdangerousgasesintotheair.tailgasAirpollution!Theweatherisalwaysfoggy.Wecan’tseethebluesky.Wecan’tbreathethefreshair.Doyouknoww

2、hy?Factoriesproducetoomuchdangeroussmoke.Thetrafficproducesfumes.Somepeoplesmokeinpublicplaces.loudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephones1aHerearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.noisepolluti

3、on________________________________________________________airpollution________________________________________________________waterpollution________________________________________________________loudmusic;cars;buildinghouse;ships;planessmoking;factoriesfactories;rubbish;litteringW

4、hatwastheproblem?Theriverwas________.Eventhebottomoftheriverwasfullof________.Thesewerenomore________forfishermentocatch.Whatcausedtheproblem?Peoplearethrowing_______intotheriver.Factoriesareputting_______intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe________andaskthem

5、to________thefactories.Everyoneshouldhelpto_______theriver.1bListenandcompletethesentences.Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Butitusedtobesoclean!1cRole-playtheconversation.Thenmakeyourownconversationsaboutthekindsofpollutionin1a.Yes,butpeoplearethrowinglitte

6、rintotheriver.Everyoneinthistownshouldplayapartincleaningitup!littering乱丢废弃物litter作不可数名词，意为“垃圾；废弃物”。如：Therewerepilesoflitteronthestreets.街上有一堆一堆的废弃物。Therewillbefinesforpeoplewhodroplitter.乱扔垃圾的人将被罚款。Languagepointslitter作及物动词，意为“把...弄得乱七八糟”。如：Don'tlitterupthefloorwithscrapsofpaper.别

7、往地上乱丢纸屑。Itisantisocialtoleaveone'slitterinpublicplace.在公共场所遗弃杂物是妨害公共利益的。Languagepointslitter还可作不及物动词，意为“乱扔废弃物”。如：Pleasedon'tlitter.请勿乱扔纸屑杂物。Whydoyoualwayslitterupthetablewithallthesenewspapers?你为什么总是将报纸乱丢，把桌子弄得乱糟糟呢？Languagepoints1.Thestreet________________(充满了)rubbish.2.__________(

8、litter)causespollution.3.F