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Unit13Unit13We’retryingtosavetheearth!SectionA1a-2d（第1课时）1.Weshouldputupnoticetostopfrom______（乱扔）.2.Theteacheraskedustofindawaytopickupthecoinsatthe_______（底部）ofthebottle.3.Therearenomorefishfor__________（渔夫）tocatchintheriver.4.Weshouldtakethepaperbagstogoshoppinginsteadofthe______（塑料）ones.5.Couldyoupleasetellusanother__________（优点）ofridingbiketowork?【检查预习】litterbottomfishermanplasticadvantagenoisepollutionairpollutionwaterpollution1a.Writethewordsrelatedtodifferentkindsofpollutionintheboxbelow.(Pairworkorgroupwork)loudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephones________________________________________________________________________________________________________________________________________loudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephones1b.ListenandcompletethesentencesWhatwastheproblem?Theriverwas___________.Eventhebottomoftheriverwasfullof_________.Therewerenomore_____forfishermentocatch.Whatcausedtheproblem?Peoplearethrowing______intotheriver.Factoriesareputting______intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe_________andaskthemto_________thefactories.Everyoneshouldhelpto________theriver.reallydirtyrubbishfishlitterwastegovernmentclosedowncleanup1.Theairisbadlypollutedbecausethereare__________ontheroadthesedays.2.Factoriesthatburncoalalso_________theairwithalotofblacksmoke.3.Thereisalsotoomuchrubbishandwaste.People_______________thingseveryday.4.Peoplearealsolitterin_______likeparks.Thisisturningbeautifulplacesintouglyplaces.2aListentotheinterview.thekindsofpollutionthatJasonandSusantalkabout.A.wastepollutionB.airpollutionC.noisepollutionD.waterpollutionCircle2b.Listenagainandcompletethesentences.○○litteringmorecarspollutearethrowingaway1.Readtheconversationquickly,findouttheanswertothequestion.Whatkindsofpollutionarementionedinthisconversation?2d.Airpollutionandwastepollution.2.Readtheconversationagainandcompletetheblanks.PollutionWaystosolvetheproblemAirpollutionWastepollutionTakethebusorsubwayinsteadofdriving;rideabike.bringabagtogoshopping;onlyusewoodenchopsticksorplasticforksathome;Throwrubbishinthebins…1.Thisisturningbeautifulplacesintouglyones.2.turn…into…把……变成……•e.g.Theicyrainseemedliketoturninto•snow.•渐渐地冻雨又变成雪花的模样。•2.It’sgoodforhealthanditdoesn’tcostanything!•costv.花费；使付出•指花费金钱，主语通常是物。cost的过去式和过去分词均为cost。•e.g.ThenewshirtcostMrWang200yuan.•王先生花了200元买了新衬衫。•Howmuchdoesthenewcomputer•cost?新电脑花了多少钱？•take,spend,pay&cost•take，spend，pay和cost都可以表示“花•费”，但它们的用法各有不同。•1)take多表示花费时间，常用于Ittakessb.sometimetodosth.这一句型中，其中it作形式主语。•e.g.Itusuallytakesme40minutesto•cookthedinner.•2)spend多表示花费时间和金钱，主语通常是人，常用于sb.spend(s)sometime/moneyonsth.和sb.spend(s)sometime/money(in)doingsth.两种句型。•e.g.Davidspent2,000yuanonthenew•machine.•Myfatherspendsanhour(in)•watchingthenewsonTVeveryday.•3)pay多表示花费金钱，主语通常是人，常用于sb.pay(s)somemoneyforsth.句型。•e.g.Tommypaid20yuanforhis•breakfastyesterday.•4)cost多表示花费金钱，主语通常是物，常用于sth.cost(s)(sb.)somemoney.句型。•e.g.ThenewdresscostLinda88yuan.•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.•cost??•spent?•takes•4.Youshould__________?sometimepractisingyourpronunciation.•5.Mybrother_______?6,000yuanforthenewcomputeryesterday.•spend•paid•3.Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!•makeadifference(to…)•表示(对……)产生影响或作用•e.g.Doyouthinkhiswordswouldmake•anydifferencetothefinaldecision?•你认为他的话会对最后的决定产生影•响吗？•ThenewteacheralwaysencourageslittleTom.Thishasmadeabigdifferencetohim.•新来的老师总是鼓励小汤姆，这对他影响很大。•用动词的适当形式填空。•1.We’retrying_______(save)theearth.•2.Thereusedto_____(be)cleanandbeautiful.•3.Therearetoomany____for__________•tocatch(fish).•4.It’sbadforenvironmenttouse•_________(wood)chopsticks.•tosave•be•fish•wooden•fishermen•用方框中所给词的适当形式填空。•1.Don'tthrow_______(垃圾)everywhere.•2.Inwinter,manypeopleburn______(煤)tokeepwarm.•3.Thepolicefoundabodyatthe________(底部)ofthelake.•4.The______(花费)oflivinginbigcitiesisvery•high.•5.Hekeepsarabbitinabig_______(木制的)box.costwooden,coal,bottom,litter•cost•wooden•coal•bottom•litter•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.•cost•spent•takes•4.Youshould__________sometimepractisingyourpronunciation.•5.Mybrother_______6,000yuanforthenewcomputeryesterday.•spend•paid•3.Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!•makeadifference(to…)•表示(对……)产生影响或作用•e.g.Doyouthinkhiswordswouldmake•anydifferencetothefinaldecision?•你认为他的话会对最后的决定产生影•响吗？•ThenewteacheralwaysencourageslittleTom.Thishasmadeabigdifferencetohim.•新来的老师总是鼓励小汤姆，这对他影响很大。PointsonP971.trytodo=tryone’sbesttodo努力去做某事2.berelatedto…与……有关3.mobilephones手机4.rubbish,litter,waste垃圾,废物5.thebottomoftheriver河底6.befullof充满……7.fisherman-fishermen渔民8.government政府9.throwlitterintotheriver把垃圾扔到河里10.asksb.todo要求某人干某事11.closedownthefactories关闭工厂12.cleanup打扫13.usedtobe…过去是…14.playapartin…参与，在……中扮演角色•Memory1.努力去做某事2.与……有关3