九年级英语unit13,Section A 1a-1c课件.ppt

Unit13,SectionA1a1c,seriouspollution,Weareharmingourplanetinsomanyways.,伤害,airpollution,noisepollution,waterpollution,airpollution!,Theweatherisalwaysfoggy.Wecantseethebluesky.Wecantbreathethefreshair.Doyouknowwhy?,Factoriespourdangerousgasesintotheair.,Carsalsopourdangerousgasesintotheair.,tailgas,Dad,whatstheacidrain?,Naturalresourcesaredisappearingatadangerousrate.,以危险的速度,desert,extinct灭绝的,Helpsavetheearth,Wemustthinkofbetterwaytotreatourplanetinfuture.,Whatdoyouusuallydo?AreyouafriendoftheEarth?Takethisquiz.,START,Youdrinkacanofcola.Whatdoyoudo?,Ithrowawaycans.,Irecyclecans.,Youthrowawaythecans.ThatsbadfortheEarth.,Yourecyclethecans.ThatsgoodfortheEarth.,Therearealotofoldnewspapersatyourhome.Whatdoyoudo?,Ithrowtheoldnewspapersaway.,Irecycletheoldnewspapers.,Youthrowoldnewspapersaway.Youwastepaper.ThatsbadfortheEarth.,Yourecycleoldnewspapers.Yousavepaper.ThatsgoodfortheEarth.,Yougoshopping.Whatdoyoudo?,Iusealotofnewplasticbags.,Iusemyownbag.,Youusealotofnewplasticbags.ThatsbadfortheEarth.,Youuseyourownbag.ThatsgoodfortheEarth.,Whenyouwriteonapieceofpaper,whatdoyoudo?,Iwriteononesideonly.,Iwriteonbothsides.,Youusepaperononesideonly.ThatsbadfortheEarth.,Youusepaperonbothsides.ThatsgoodfortheEarth.,closedownthefactories;helptocleanuptheriver;takethebusorsubway;rideabike;bringabagtogoshopping,throwrubbishinthebins;turnoffthelightswhenyouleavearoom;usepaperorreusablebags;recyclebooksandpaper;turnofftheshowerwhenyouwashyourhair;dontusenapkins;rethink,reuse,recycle.,solutions,Herearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.,1a,noisepullotion,airpollution,waterpollution,Listenandcompletethesentences.,1b,reallydirty,rubbish,fish,litter,waste,government,closedown,cleanup,SectionA1b,Tony:Hey,Mark,maybewecouldgoswimmingintheriverlaterthisafternoon.Mark:IdontthinkIwanttogo,Tony.Tony:Whynot?Mark:Iwastherelastweekendandtheriverwasreallydirty.Eventhebottomoftheriverwasfullofrubbish,andtherewerenomorefishforfishermentocatch.Tony:Noway!Itusedtobesoclean.Infact,ithasalwaysbeenthenicestriverinthistown.,Mark:Notanymore.Ithinkpeoplearethrowinglitterintotheriver.Factoriesarealsoputtingwasteintotheriver.Tony:Thatsterrible!Weshouldwritetothegovernment.Theyshouldclosedownthefactories.Mark:Goodidea!ButIthinkeveryoneinthistownshouldhelptocleanuptheriver,too.Everyoneshouldplayapart,notjustthegovernment.,closedown（使）停业;（使）停产Theywillhavetoclosedownsoon.Businessistoobad.他们将不得不歇业,生意太坏了.Ifnoneofthemcomesback,Mr.Wuwillclosedownthefactory!没有人上工,吴老板就关厂!,playapart扮演一个角色，参与，装腔骗人Hewouldliketoplayapartinthishistoricprocess.他愿意在这一历史进程中扮演一个角色.,Role-playtheconversation.Thenmakeyourownconversationsaboutthekindsofpollutionin1a.,1c,1.Weshouldputupnoticetostopfrom_（乱扔）.2.Theteacheraskedustofindawaytopickupthecoinsatthe_（底部）ofthebottle.3.T