人教版英语Unit-13-We're-trying-to-save-the-earth!全单元课件PPT课件下载推荐.ppt

1、takethebusorsubway;rideabike;bringabagtogoshopping,throwrubbishinthecans;turnoffthelightswhenyouleavearoom;usepaperorresusablebags;recyclebooksandpaper;turnofftheshowerwhenyouwashyourhair;dontusenapkins;1bListen and complete the sentences.What was the problem?Theriverwas_.Eventhebottom（底部底部）oftheriv

2、erwasfullof_.Therewerenomore_forfishermen（渔民渔民）tocatch.reallydirtyrubbishfishWhat caused the problem?Peoplearethrowing_intotheriver.Factoriesareputting_intotheriver.How should the problem be solved?Weshouldwritetothe_andaskthemto_thefactories.Everyoneshouldhelpto_theriver.litterwastegovernmentclosed

3、owncleanupMark:Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Tony:Butitusedtobesoclean!Mark:Yes,butpeoplearelitteringintheriver.Tony:Everyoneinthistownshouldplayapartincleaningitup!Role-playtheconversation.Thenmakeyourownconversationsaboutthekindsofpollutionin1a.1cMark:Theskyisso_.Wecanha

4、rdlyseetheblueshythesedays.Tony:Butitusedtobeso_!Yes,buttherearesomany_ontheroad.Andfactoriespollutetheairwithalotof_smoke.Tony:Everyoneinthistownshouldplayapartinmakingitclear!Finishtheconversationandrole-playit.1cMark:Theneighborhoodisso_.Icantsleepwellorworkwell.Tony:Yes,buttherearesomany_housesa

5、ndcars.Mostpeopleoftenusemobilephones.Tony:Everyoneinthistownshouldplayapartincuttingdownnoisepollution!Finishanotherconversationandrole-playit.1cPoints on P971.try to do=try ones best to do 努力去做某事努力去做某事2.mobile phones 手机手机3.rubbish,litter,waste 垃圾垃圾,废物废物4.the bottom of the river 河底河底5.be full of 充满

6、充满6.fisherman-fishermen 渔民渔民7.government 政府政府8.throw litter into the river 把垃圾扔到河里把垃圾扔到河里9.ask sb.to do 要求某人干某事要求某人干某事10.close down the factories 关闭工厂关闭工厂11.clean up 打扫打扫12.used to be过去常常过去常常13.play a part in参与，在参与，在中扮演角色中扮演角色 Review1.努力去做某事努力去做某事2.手机手机3.垃圾垃圾,废物废物4.河底河底5.充满充满6.渔民渔民7.政府政府8.把垃圾扔到河里把垃圾

7、扔到河里9.要求某人干某事要求某人干某事10.关闭工厂关闭工厂11.打扫打扫12.过去常常过去常常13.在在中起作用，在中起作用，在中扮演角色中扮演角色 try to do mobile phones litter;rubbish;waste the bottom of the riverbe full of fishermangovernment throw rubbish into the river ask sb.to do sth.close down the factories clean up used to be play a part in 2a Listentotheinte

8、rview.CirclethekindsofpollutionthatJasonandSusantalkabout.A.landpollutionB.airpollutionC.noisepollutionD.waterpollution1.Theairisbadlypollutedbecausethereare_ontheroadthesedays.2.Factoriesthatburncoalalso_theairwithalotofblacksmoke.3.Thereisalsotoomuchrubbishandwaste.People_thingseveryday.4.Peoplear

9、ealsolitteringin_likeparks.Thisturnsbeautifulparksintouglyplaces.morecarsmorecarspollutepollutearethrowingawayarethrowingawaypublicplacespublicplaces2bListenagainandcompletethesentences.Interviewer:JasonandSusan,whatareyourideasforsolvingtheseproblems?Jason:Well,tocutdownairpollution,weshouldtakethe

10、busorsubwayinsteadofdriving.Susan:Yeah,orrideabike.Thereareotheradvantagesofbikeriding.Itsgoodforhealthanditdoesntcostanything!2dRole-playtheconversation.Interviewer:Greatideas!Whataboutwastepollution?Susan:Mmm,Ithinksimplethingslikebringingabagtogoshoppingcanhelp.Istarteddoingthatayearago.Jason:Me,

11、too.Also,InevertakewoodenchopsticksorplasticforkswhenIbuytakeawayfood.Iusetheonesathome.Susan:Andremembertothrowrubbishinthebinsandkeeppublicplacescleanandbeautifulforeveryone.Interviewer:Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!Complete the chart.ProblemsSolvingproblemsairpollu

12、tionwastepollutiontakethebus,subwayorrideabikeinsteadofdriving.bringabagtogoshopping.usechopsticksorforksathome.throwrubbishinthebins.1.Itsgoodforhealthanditdoesntcostanything!costv.花费；使付出花费；使付出指花费金钱，主语通常是物。指花费金钱，主语通常是物。cost的过去式和的过去式和过去分词均为过去分词均为cost。e.g.ThenewshirtcostMrWang200yuan.王先生花了王先生花了200元买了

13、新衬衫。元买了新衬衫。Howmuchdoesthenewcomputercost?新电脑花了多少钱？take,spend,pay&costtake，spend，pay和和cost都可以表示都可以表示“花花费费”，但它们的用法各有不同。，但它们的用法各有不同。1）take多表示花费时间多表示花费时间，常用于常用于Ittakessb.sometimetodosth.这一这一句型中，其中句型中，其中it作形式主语作形式主语。e.g.Itusuallytakesme40minutestocookthedinner.2）spend多表示花费时间和金钱，主语常是人多表示花费时间和金钱，主语常是人，常用于常用于sb.spend（s）sometime/moneyonsth.和和sb.spend（s）sometime/money（in）doingsth.两种句型。两种句型。e.g.Davidspent2,000yuan onthenewmachine.Myfatherspendsanhour（in）watchingthenewsonTVeveryday.3）pay多表示花费金钱，主语通常是人多表示花费金钱，主语通常是人，常用，常用于于sb.pay（s）somemoneyforst