Unit13SectionA（1a-2d）课件人教版九年级英语全册

Unit13We’retryingtosavetheearth！SectionA（1a-2d）pollutionLead-inwaterpollutionnoisepollutionairpollutionlandpollutionwaterpollutionrubbishpollutedwaterfishermanHowshouldtheproblembesolvednomorefishThegovernmentshouldclosedownthesefactories.Everyoneshouldhelptocleanuptheriver.land/wastepollutionlitter[ˈlɪtə(r)]n.

杂物，垃圾bin[bin]n.垃圾箱litter[ˈlɪtə(r)]v.

乱丢=throwlitter(1)Peopleshouldn'tthrowlitter/litter.Instead,weshouldthrowitinabin.Howshouldtheproblembesolved(2)Nevertakewoodenchopsticksorplasticforkswhenyoubuytakeawayfood.airpollutionmoreandmorecarsblacksmokecoal[kəʊl]n.煤；煤块[U]WhatcausedtheproblemPeopleshouldwalkorrideabikeinsteadofdrivingacar.Thefactorycanusesomecleanandgreensourceofenergyinsteadofburningcoal.Howshouldtheproblembesolvednoisepollution_______________________________________________airpollution_____________________________________________waterpollution________________________________________________loudmusicplanes/carsmobilephonesfactoriescarssmokingshipsfactorieslitteringrubbishbuildinghousesbuildinghouses

loudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephonesHerearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.1aListenandcompletethesentences.1bWhatwastheproblem?Theriverwas__________.Eventhebottomoftheriverwasfullof________.Therewerenomore_____forfishermentocatch.Whatcausedtheproblem?Peoplearethrowing______intotheriver.Factoriesareputting______intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe____________andaskthemto___________thefactories.Everyoneshouldhelpto________theriver.reallydirtyrubbishfishlitterwastegovernmentclosedowncleanupListentotheinterview.CirclethekindsofpollutionthatJasonandSusantalkabout.2aA.landpollutionB.airpollutionC.noisepollutionD.waterpollutionListenagainandcompletethesentences.2bTheairisbadlypollutedbecausethereare__________ontheroadthesedays.Factoriesthatburncoalalso_______theairwithalotofblacksmoke.Thereisalsotoomuchrubbishandwaste.People_________________thingseveryday.Peoplearealsolitteringin____________likeparks.Thisisturningbeautifulplacesintouglyones.morecarspollutearethrowingawaypublicplacesReadtheconversationandfillinthechart.JasonSusanairpollutionwastepollutionwaysproblemsWeshouldrideabike.Weshouldtakethebusorsubwayinsteadofdriving.1.Bringabagtogoshopping.2.Remembertothrowrubbishinthebins.3.Keeppublicplacescleanandbeautiful.Nevertakewoodenchopsticksorplasticforkswhenhebuystakeawayfood.2de.g.你们怎么看在外面吃饭？WhatareyourideasforeatingoutWhatareyouropinionsabouteatingout解决这些问题，你们有什么想法？ideasfor……的想法opinionson/about……的看法LanguagepointsJasonandSusan,whatareyourideasforsolvingtheseproblemstodosth.位于句首表目的为了赶早班车，他5点半就起床了。Tocatchtheearlybus,hegotupat5:30.为了减少空气污染，我们应该乘公共汽车或地铁，而不是开车。Tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.骑自行车还有其他的好处。它对健康有益，而且不用花费任何东西。begoodfor

对……有益bebadfor

对……有害Sth.cost(s)sb.somemoney.某物花费某人多少钱Thereareotheradvantages

ofbikeriding.It’sgoodforhealthanditdoesn’tcostanything!spend,pay,take,cost都可表示花费1)spend多表示花费时间和金钱，主语通常是人，常用两种句型:sb.spend(s)sometime/moneyonsth.sb.spend(s)sometime/money(in)doingsth。

e.g.Davidspent20yuanonhistakeaway.Mygrandfatherspendsanhour(in)watchingTVeveryday.2)pay多表示花费金钱，主语通常是人，常用句型:sb.pay(s)somemoneyforsth.。

e.g.Davidpaid20yuan

forhistakeaway.4)cost多表示花费金钱，主语通常是物，常用句型:sth.cost(s)(sb.)somemoney。

e.g.ThetakeawaycostDavid20yuan.3)take多表示花费时间，常用句型：

Ittakessb.sometimetodosth.其中it作形式主语。

e.g.ItusuallytakesmygrandfatheranhourtowatchTV.根据句意用take,spend,pay或cost的适当形式填空。1.Thatnewcar________

themlotsofmoney.2.Mona__________50yuanonthebooksjustnow.3.Itusually_______

meanhourtodomyhomework.4.Youshould__________

sometimepracticingyourpronunciation.5.Mybrother_______

6,000yuanforthenewcomputeryesterday.costs

spent

takesspendpaid还要记得把垃圾扔进垃圾箱，为了大家保持公共场所的整洁和美丽。remembertodosth.记得要做某事（事情还没做）rememberdoingsth.记得做过某事（事情已经做了）e.g.Remembertofacedifficultieswithcourage.记住要勇敢面对困难。Andremembertothrowrubbishinthebinsandkeeppublicplacescleanandbeautifulforeveryone.因此，齐心协力，我们的行动就能起作用，就会创造更加美好的未来！makeadifference起作用；有影响Theaccidenthasmadeagreatdifferencetoher.这次事故对她产生了重大影响。leadtosth.引起，通往Theheavyrainledtoaflood.大雨导致了洪水。Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!ExercisesⅠ.根据汉语意思完成英语句子。1.工人们正在竭尽全力