英语人教版九年级全册Unit 13 SectionA.pptx

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1、Unit13We’retryingtosavetheearth!SectionA1a-1c（第1课时）noisepollutionairpollutionwaterpollution1a.Writethewordsrelatedtodifferentkindsofpollutionintheboxbelow.(Pairworkorgroupwork)loudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephones______________________

2、__________________________________________________________________________________________________________________loudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephones1b.ListenandcompletethesentencesWhatwastheproblem?Theriverwas___________.Eventhebott

3、omoftheriverwasfullof_________.Therewerenomore_____forfishermentocatch.Whatcausedtheproblem?Peoplearethrowing______intotheriver.Factoriesareputting______intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe_________andaskthemto_________thefactories.Everyoneshouldhelpto_____

4、___theriver.reallydirtyrubbishfishlitterwastegovernmentclosedowncleanupPointsonP97trytodo=tryone’sbesttodo努力去做某事berelatedto…与……有关mobilephones手机rubbish,litter,waste垃圾,废物thebottomoftheriver河底befullof充满……fisherman-fishermen渔民government政府throwlitterintotheriver把垃圾扔到河里asksb.todo要求某人干某

5、事closedownthefactories关闭工厂cleanup打扫usedtobe…过去是…playapartin…参与，在……中扮演角色Thisisturningbeautifulplacesintouglyones.turn…into…把……变成……e.g.Theicyrainseemedliketoturnintosnow.渐渐地冻雨又变成雪花的模样。Languagepoints2.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

6、cost。e.g.ThenewshirtcostMrWang200yuan.王先生花了200元买了新衬衫。Howmuchdoesthenewcomputercost?新电脑花了多少钱？take,spend,pay&costtake，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.Itusuallytakesme40minutestocookthedinner.2)spend多表示花费时间和金钱，主语通常是人，

7、常用于sb.spend(s)sometime/moneyonsth.和sb.spend(s)sometime/money(in)doingsth.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，常用于sb.pay(s)somemoneyforsth.句型。e.g.Tommypaid20yuanforhisbreakfastyesterday.4)cost多表示花费金钱，主语

8、通常是物，常用于sth.cost(s)(sb.)somemoney.句型。e.g