Unit13SectionA11a2d課件人教版英語九年級(jí)全冊(cè)

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.過去(常常)做playapartindoingsth..參與做某事；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.優(yōu)點(diǎn)；有利條件（反）disadvantage缺點(diǎn)外賣食物makeadifferenceto對(duì)...有作用或影響1.Well,tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.cutdown減少cutdown砍倒；減少Peoplecutdownmanytreessoalotofanimalslosetheirhomes.人們砍倒了很多樹，因此大量的動(dòng)物失去了它們的家。cutoff切掉Thedoctorhadtocutoffhisarmtosavehislife.為了挽救他的生命，醫(yī)生不得不將他的胳膊截肢。cutout刪除Youcancutouttheunimportantdetails.你可以刪掉不重要的細(xì)節(jié)。cutup切碎Cutupthemeat，please.請(qǐng)把肉切碎。spend的主語是人sb.spend…(in)doingsth.某人花費(fèi)時(shí)間/金錢做某事sb.spend…onsth某人花費(fèi)時(shí)間/金錢在某事上Iusuallyspendanhour(in)readingEnglisheverymorning.每天早上我通?；?小時(shí)讀英語。take的主語是形式主語itIttakessb.sometimetodosth.做某事花費(fèi)某人一些時(shí)間Ittakesme10minutestogotoschoolbybus.我上學(xué)乘公共汽車需要花費(fèi)10分鐘。pay的主語是人sb.+pay(+sb.)+somemoney+forsth.某人為某物花費(fèi)/付給(某人)錢Ipaidmuchmoneyforthecomputer.我買這臺(tái)電腦花了很多錢。cost的主語是物sth.costsb.somemoney某物花了某人多少錢。Thewatchcostme120yuan.這塊手表花了我120元。2.“花費(fèi)”spend,take,pay,cost的區(qū)別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，廢料Factoriesputwasteintotheriver.noisepollutionCarsmakemuchnoise.Peoplebuildhouses