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

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

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takethebusorsubway;

rideabike;

bringabagtogoshopping,throwrubbishinthecans;

turnoffthelightswhenyouleavearoom;

usepaperorresusablebags;

recyclebooksandpaper;

turnofftheshowerwhenyouwashyourhair;

dontusenapkins;

1bListenandcompletethesentences.Whatwastheproblem?

Theriverwas_.Eventhebottom（底部底部）oftheriverwasfullof_.Therewerenomore_forfishermen（渔民渔民）tocatch.reallydirtyrubbishfishWhatcausedtheproblem?

Peoplearethrowing_intotheriver.Factoriesareputting_intotheriver.Howshouldtheproblembesolved?

Weshouldwritetothe_andaskthemto_thefactories.Everyoneshouldhelpto_theriver.litterwastegovernmentclosedowncleanupMark:

Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Tony:

Butitusedtobesoclean!

Mark:

Yes,butpeoplearelitteringintheriver.Tony:

Everyoneinthistownshouldplayapartincleaningitup!

Role-playtheconversation.Thenmakeyourownconversationsaboutthekindsofpollutionin1a.1cMark:

Theskyisso_.Wecanhardlyseetheblueshythesedays.Tony:

Butitusedtobeso_!

Yes,buttherearesomany_ontheroad.Andfactoriespollutetheairwithalotof_smoke.Tony:

Everyoneinthistownshouldplayapartinmakingitclear!

Finishtheconversationandrole-playit.1cMark:

Theneighborhoodisso_.Icantsleepwellorworkwell.Tony:

Yes,buttherearesomany_housesandcars.Mostpeopleoftenusemobilephones.Tony:

Everyoneinthistownshouldplayapartincuttingdownnoisepollution!

Finishanotherconversationandrole-playit.1cPointsonP971.trytodo=tryonesbesttodo努力去做某事努力去做某事2.mobilephones手机手机3.rubbish,litter,waste垃圾垃圾,废物废物4.thebottomoftheriver河底河底5.befullof充满充满6.fisherman-fishermen渔民渔民7.government政府政府8.throwlitterintotheriver把垃圾扔到河里把垃圾扔到河里9.asksb.todo要求某人干某事要求某人干某事10.closedownthefactories关闭工厂关闭工厂11.cleanup打扫打扫12.usedtobe过去常常过去常常13.playapartin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trytodomobilephoneslitter;

rubbish;

wastethebottomoftheriverbefulloffishermangovernmentthrowrubbishintotheriverasksb.todosth.closedownthefactoriescleanupusedtobeplayapartin2aListentotheinterview.CirclethekindsofpollutionthatJasonandSusantalkabout.A.landpollutionB.airpollutionC.noisepollutionD.waterpollution1.Theairisbadlypollutedbecausethereare_ontheroadthesedays.2.Factoriesthatburncoalalso_theairwithalotofblacksmoke.3.Thereisalsotoomuchrubbishandwaste.People_thingseveryday.4.Peoplearealsolitteringin_likeparks.Thisturnsbeautifulparksintouglyplaces.morecarsmorecarspollutepollutearethrowingawayarethrowingawaypublicplacespublicplaces2bListenagainandcompletethesentences.Interviewer:

JasonandSusan,whatareyourideasforsolvingtheseproblems?

Jason:

Well,tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.Susan:

Yeah,orrideabike.Thereareotheradvantagesofbikeriding.Itsgoodforhealthanditdoesntcostanything!

2dRole-playtheconversation.Interviewer:

Greatideas!

Whataboutwastepollution?

Susan:

Mmm,Ithinksimplethingslikebringingabagtogoshoppingcanhelp.Istarteddoingthatayearago.Jason:

Me,too.Also,InevertakewoodenchopsticksorplasticforkswhenIbuytakeawayfood.Iusetheonesathome.Susan:

Andremembertothrowrubbishinthebinsandkeeppublicplacescleanandbeautifulforeveryone.Interviewer:

Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!

Completethechart.ProblemsSolvingproblemsairpollutionwastepollutiontakethebus,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.Davidspent2,000yuanonthenewmachine.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