九年级英语 第十三单元 第一课时课件

1,PPT学习交流,SectionAPeriod1(1a2d),Unit13Wearetryingtosavetheearth.,2,PPT学习交流,Theearthispolluted.,3,PPT学习交流,airpollution,Thefactoriesthatburncoalpollutetheairwithalotofblacksmoke.,4,PPT学习交流,Factoriesputwasteintotheriver.,waterpollution,5,PPT学习交流,noisepollution,Therearemorecarsontheroad.,6,PPT学习交流,litterv.乱扔n.垃圾Rubbish，waste垃圾，废弃物,Peopleshouldthrowawaylitterinthebin.,landpollution,7,PPT学习交流,1a,Herearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.,8,PPT学习交流,noisepollution_cars,airpollution_,waterpollution_,loudmusic,planes,mobilephones,factories,cars,smoking,ships,factories,littering,rubbish,buildinghouses,buildinghouses,9,PPT学习交流,Helpsavetheearth,Wemustthinkofbetterwaytotreatourplanetinfuture.,10,PPT学习交流,Whatdoyouusuallydo?AreyouafriendoftheEarth?Takethisquiz.,START,11,PPT学习交流,Youdrinkacanofcola.Whatdoyoudo?,Ithrowawaycans.,Irecyclecans.,12,PPT学习交流,Youthrowawaythecans.ThatsbadfortheEarth.,13,PPT学习交流,Yourecyclethecans.ThatsgoodfortheEarth.,14,PPT学习交流,Therearealotofoldnewspapersatyourhome.Whatdoyoudo?,Ithrowtheoldnewspapersaway.,Irecycletheoldnewspapers.,15,PPT学习交流,Youthrowoldnewspapersaway.Youwastepaper.ThatsbadfortheEarth.,16,PPT学习交流,Yourecycleoldnewspapers.Yousavepaper.ThatsgoodfortheEarth.,17,PPT学习交流,Yougoshopping.Whatdoyoudo?,Iusealotofnewplasticbags.,Iusemyownbag.,18,PPT学习交流,Youusealotofnewplasticbags.ThatsbadfortheEarth.,19,PPT学习交流,Youuseyourownbag.ThatsgoodfortheEarth.,20,PPT学习交流,Whenyouwriteonapieceofpaper,whatdoyoudo?,Iwriteononesideonly.,Iwriteonbothsides.,21,PPT学习交流,Youusepaperononesideonly.ThatsbadfortheEarth.,22,PPT学习交流,Youusepaperonbothsides.ThatsgoodfortheEarth.,23,PPT学习交流,closedownthefactories;helptocleanuptheriver;takethebusorsubway;rideabike;bringabagtogoshopping,throwrubbishinthecans;turnoffthelightswhenyouleavearoom;usepaperorresusablebags;recyclebooksandpaper;turnofftheshowerwhenyouwashyourhair;dontusenapkins;rethink,reuse,recycle.,solutions,24,PPT学习交流,1b,Listenandcompletethesentences.,reallydirty,rubbish,fish,25,PPT学习交流,litter,waste,government,closedown,cleanup,26,PPT学习交流,Role-playtheconversation.Thenmakeyourownconversationsaboutthekindsofpollutionin1a.,1c,27,PPT学习交流,PointsonP57trytodo=tryonesbesttodo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要求某人干某事closedownthefactories关闭工厂cleanup打扫usedtobe过去是playapartin参与，在中扮演角色,28,PPT学习交流,Memory努力去做某事与有关手机垃圾,废物河底充满渔民政府把垃圾扔到河里要求某人干某事关闭工厂打扫过去是在中起作用，在中扮演角色,29,PPT学习交流,2a,Listentotheinterview.CirclethekindsofpollutionthatJasonandSusantalkabout.,A.landpollutionB.airpollutionC.noisepollutionD.waterpollution,30,PPT学习交流,1.Theairisbadlypollutedbecausethereare_ontheroadthesedays.2.Factoriesthatburncoalalso_theairwithalotofblacksmoke.3.Thereisalsotoomuchrubbishandwaste.People_thingseveryday.4.Peoplearealsolitteringin_likeparks.Thisturnsbeautifulparksintouglyplaces.,morecars,pollute,arethrowingaway,publicplaces,2b,Listenagainandcompletethesentences.,31,PPT学习交流,PointsonP58bebadlypolluted受到严重污染publicplaces公共场所turninto把变成cutdown减少takethebusorsubwayinsteadofdriving乘坐公交或地铁代替开车rideabike骑自行车advantagesofbikeriding骑自行车的好处,32,PPT学习交流,PointsonP58begoodforourhealth对我们的健康有好处cost，spend，take,pay花费wood-woodentakeawayfood外卖食物throwrubbishinthebins把垃圾扔进垃圾箱keeppublicplacescleanandbeautiful保持公共场所干净漂亮makeadifference(to)(对)产生影响或作用leadto导致，通向,33,PPT学习交流,Usetheinformationin2aand2btorole-playconversationsbetweenJasonandSusan.,2c,34,PPT学习交流,Interviewer:JasonandSusan,whatareyourideasforsolvingtheseproblems?Jason:Well,tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.Susan:Yeah,orrideabike.Otheradvantagesofbikeridingarethatitsgoodforhealthanditdoesntcostanything!,2d,Role-playtheconversation.,35,PPT学习交流,Interviewer:Greatideas!Whataboutwastepollution?Susan:Mmm,Ithinksimplethingslikebringingabagtogoshoppingcanhelp.Istarteddoingthatayearago.Jason:Me,too.Also,InevertakewoodenchopsticksorplasticforkswhenIbuytakeawayfood.Iusetheonesathome.,36,PPT学习交流,Susan:Andremembertothrowrubbishinthecansandkeeppublicplacescleanandbeautifulforeveryone.Interviewer:Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!,37,PPT学习交流,Completethechart.,takethebus,subwayorrideabikeinsteadofdriving.,bringabagtogoshopping.,usechopsticksorforksathome.,throwrubbishinthebins.,38,PPT学习交流,Thisisturningbeautifulplacesintouglyones.turninto把变成,e.g.Theicyrainseemedliketoturnintosnow.渐渐地冻雨又变成雪花的模样。,Languagepoints,39,PPT学习交流,2.Itsgoodforhealthanditdoesntcostanything!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。Howmuchdoesthenewcomputercost?新电脑花了多少钱？,40,PPT学习交流,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.,41,PPT学习交流,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.Davidspent2,000yuanonthenewmachine.Myfatherspendsanhour(in)watchingthenewsonTVeveryday.,42,PPT学习交流,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，主语通常是物，常用于sth.cost(s)(sb.)somemoney.句型。e.g.ThenewdresscostLinda88yuan.,43,PPT学习交流,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,44,PPT学习交流,4.Youshould_sometimepractisingyourpronunciation.5.Mybrother_6,000yuanforthenewcomputeryesterday.,spend,paid,45,PPT学习交流,3.Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!makeadifference(to)表示(对)产生影响或作用e.g.Doyouthinkhiswordswouldmakeanydifferencetothefinaldecision?你认为他的话会对最后的决定产生影响吗？,46,PPT学习交流,Thenewteacheralways