九年级英语unit13-Section-A-1a-1c课件

SectionA1a—1cseriouspollutionWeareharmingourplanetinsomanyways.伤害airpollutionnoisepollutionwaterpollutionairpollution!Theweatherisalwaysfoggy.Wecan’tseethebluesky.Wecan’tbreathethefreshair.Doyouknowwhy?Factoriespourdangerousgasesintotheair.Carsalsopourdangerousgasesintotheair.tailgasDad,what’stheacidrain?Naturalresourcesaredisappearingatadangerousrate.以危险的速度desertextinct灭绝的HelpsavetheearthWemustthinkofbetterwaytotreatourplanetinfuture.Whatdoyouusuallydo?AreyouafriendoftheEarth?Takethisquiz.STARTYoudrinkacanofcola.Whatdoyoudo?Ithrowawaycans.Irecyclecans.Youthrowawaythecans.That’sbadfortheEarth.Yourecyclethecans.That’sgoodfortheEarth.Therearealotofoldnewspapersatyourhome.Whatdoyoudo?Ithrowtheoldnewspapersaway.Irecycletheoldnewspapers.Youthrowoldnewspapersaway.Youwastepaper.That’sbadfortheEarth.Yourecycleoldnewspapers.Yousavepaper.That’sgoodfortheEarth.Yougoshopping.Whatdoyoudo?Iusealotofnewplasticbags.Iusemyownbag.Youusealotofnewplasticbags.That’sbadfortheEarth.Youuseyourownbag.That’sgoodfortheEarth.Whenyouwriteonapieceofpaper,whatdoyoudo?Iwriteononesideonly.Iwriteonbothsides.Youusepaperononesideonly.That’sbadfortheEarth.Youusepaperonbothsides.That’sgoodfortheEarth.•closedownthefactories;•helptocleanuptheriver;•takethebusorsubway;•rideabike;•bringabagtogoshopping,throwrubbishinthebins;•turnoffthelightswhenyouleavearoom;•usepaperorreusablebags;•recyclebooksandpaper;•turnofftheshowerwhenyouwashyourhair;•don'tusenapkins;•rethink,reuse,recycle......Herearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.1aloudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuldinghousesmobilephonesnoisepullotionairpollutionwaterpollutionloudmusic,planes,buildinghouses,mobilephones,factoriescars,factories,smoking,buildinghousesrubbish,littering,ships,factoriesListenandcompletethesentences.1bwhatwastheproblem?Theriverwas_________.Eventhebottomoftheriverwasfullof________.Therewerenomore_____forfishermentocatch.reallydirtyrubbishfishwhatcausedtheproblem?Peoplearethrowing_____intotheriver.Factoriesareputting_______intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe________andaskthemto___________thefactories.Everyoneshouldhelpto________theriver.litterwastegovernmentclosedowncleanupSectionA1bTony:Hey,Mark,maybewecouldgoswimmingintheriverlaterthisafternoon.Mark:Idon’tthinkIwanttogo,Tony.Tony:Whynot?Mark:Iwastherelastweekendandtheriverwasreallydirty.Eventhebottomoftheriverwasfullofrubbish,andtherewerenomorefishforfishermentocatch.Tony:Noway!Itusedtobesoclean.Infact,ithasalwaysbeenthenicestriverinthistown.Mark:Notanymore.Ithinkpeoplearethrowinglitterintotheriver.Factoriesarealsoputtingwasteintotheriver.Tony:That’sterrible!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.Mark:Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Tony:Butitusedtobesoclean!Mark:Yes,butpeoplearelitteringintheriver.Tony:Everyoneinthistownshouldplayapartincleaningitup!Role-playtheconversation.Thenmakeyourownconversationsaboutthekindsofpollutionin1a.1c1.Weshouldputupnoticetostopfrom______（乱扔）.2.Theteacheraskedustofindawaytopickupthecoinsatthe_______（底部）ofthebottle.3.Therearenomorefishfor__________（渔夫）tocatchintheriver.4.Weshouldtakethepaperbagstogoshoppinginsteadofthe______（塑料）ones.Exerciseslitterbottomfishermenplastic