Unit13SectionA11a2d课件人教版英语九年级全册

Unit13We'retryingtosavetheearth!SectionA1(1a-2d)1aHerearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.Whatwastheproblem?Theriverwas__________.Eventhebottomoftheriverwasfullof___________.Therewerenomore__________forfishermentocatch.Whatcausedtheproblem?Peoplearethrowing_______intotheriver.Factoriesareputting________intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe______________andaskthemto_______________thefactories.Everyoneshouldhelpto___________theriver.Listenandcompletethesentences.reallydirtyrubbishfishlitterwastegovernmentclosedowncleanup1bRole-playtheconversation.Mark:Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Tony:Butitusedtobesoclean!Mark:Yes,butpeoplearelitteringinthe

river.Tony:Everyoneinthistownshouldplayapartincleaningitup!1cusedtodosth.过去(常常)做playapartindoingsth..参与做某事；在做某事方面起作用A.landpollutionB.airpollutionC.noisepollutionD.waterpollutionListentotheinterview.CirclethekindsofpollutionthatJasonandSusantalkabout.2aListenagainandcompletethesentences.1.Theairisbadlypollutedbecausethereare__________ontheroad

thesedays.2.Factoriesthatburncoalalso______theairwithalotofblack

smoke.3.Thereisalsotoomuchrubbishandwaste.People___________________thingseveryday.4.Peoplearealsolitteringin____________likeparks.Thisturns

beautifulparksintouglyones.morecarspollutearethrowingawaypublicplacesadj.丑陋的2badvantagen.优点；有利条件（反）disadvantage缺点外卖食物makeadifferenceto对...有作用或影响1.Well,tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.cutdown减少cutdown砍倒；减少Peoplecutdownmanytreessoalotofanimalslosetheirhomes.人们砍倒了很多树，因此大量的动物失去了它们的家。cutoff切掉Thedoctorhadtocutoffhisarmtosavehislife.为了挽救他的生命，医生不得不将他的胳膊截肢。cutout删除Youcancutouttheunimportantdetails.你可以删掉不重要的细节。cutup切碎Cutupthemeat，please.请把肉切碎。spend的主语是人sb.spend…(in)doingsth.某人花费时间/金钱做某事sb.spend…onsth某人花费时间/金钱在某事上Iusuallyspendanhour(in)readingEnglisheverymorning.每天早上我通常花1小时读英语。take的主语是形式主语itIttakessb.sometimetodosth.做某事花费某人一些时间Ittakesme10minutestogotoschoolbybus.我上学乘公共汽车需要花费10分钟。pay的主语是人sb.+pay(+sb.)+somemoney+forsth.某人为某物花费/付给(某人)钱Ipaidmuchmoneyforthecomputer.我买这台电脑花了很多钱。cost的主语是物sth.costsb.somemoney某物花了某人多少钱。Thewatchcostme120yuan.这块手表花了我120元。2.“花费”spend,take,pay,cost的区别Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!2dRead2dandcompletethemindmap.1.He___gooutwithhisparents,butnowhe____stayingathomealone.A.usedto;isusedtoB.isusedto;usedtoC.usedto;usedtoD.isusedto;isusedto2.Theinterestingbook___me10yuan.A.tookB.paidC.spentD.cost3.Wemustdosomethingusefulto___pollution.A.cutoffB.cutupC.cutdownD.cutout4.Smokingcan___lungcancer.You’dbettergiveitup.A．workonB．leadtoC．takeawayD．putoutExercisesTheearthispolluted.Therearedifferentkindsofpollutionaroundus.airpollutionThefactoriesthatburncoalpollutetheairwithalotofblacksmoke.n.煤炭Carsalsocauseairpollution.Somepeoplesmokeinpublicplaces.waterpollutionn.垃圾，废料Factoriesputwasteintotheriver.noisepollutionCarsmakemuchnoise.Peoplebuildhouses