人教新目标九年级英语全册课件：unit13--Section-A-(1a-3b)

Unit13Wearetryingtosavetheearth.LanguageGoalTalkaboutpollutionandenvirnmentalprotectionTotalkaboutairpollution,waterpollutionandsoundpollution.Tothinkaboutwaysofprotectingtheenvironment.Tolearnthenewwords:advantage,scientificseriouspollutionWeareharmingourplanetinsomanyways.伤害airpollutionsoilpollutionwaterpollutiontheearthsongbyMichaelJackson!!!Factoriespourdangerousgasesintotheair.Carsalsopourdangerousgasesintotheair.tailgasairpollution!Theweatherisalwaysfoggy.Wecan’tseethebluesky.Wecan’tbreathethefreshair.Doyouknowwhy?Factoriesproducetoomuchdangeroussmoke.Thetrafficproducestoomanyfumes.Somepeoplesmokeinpublicplaces.Dad,what’stheacidrain?Naturalresourcesaredisappearingatadangerousrate.以危险的速度GroupOneGroupTwoGroupThreedesert灭绝extinctHelpsavetheearthWemustthinkofbetterwaytotreatourplanetinfuture.Whatdoyouusuallydo?AreyouafriendoftheEarth?Takethisquiz.STARTYoudrinkacanofcola.Whatdoyoudo?Ithrowawaycans.Irecyclecans.Youthrowawaythecans.That’sbadfortheEarth.Yourecyclethecans.That’sgoodfortheEarth.Therearealotofoldnewspapersatyourhome.Whatdoyoudo?Ithrowtheoldnewspapersaway.Irecycletheoldnewspapers.Youthrowoldnewspapersaway.Youwastepaper.That’sbadfortheEarth.Yourecycleoldnewspapers.Yousavepaper.That’sgoodfortheEarth.Yougoshopping.Whatdoyoudo?Iusealotofnewplasticbags.Iusemyownbag.Youusealotofnewplasticbags.That’sbadfortheEarth.Youuseyourownbag.That’sgoodfortheEarth.Whenyouwriteonapieceofpaper,whatdoyoudo?Iwriteononesideonly.Iwriteonbothsides.Youusepaperononesideonly.That’sbadfortheEarth.Youusepaperonbothsides.That’sgoodfortheEarth.•closedownthefactories;•helptocleanuptheriver;•takethebusorsubway;•rideabike;•bringabagtogoshopping,throwrubbishinthecans;•turnoffthelightswhenyouleavearoom;•usepaperorresusablebags;•recyclebooksandpaper;•turnofftheshowerwhenyouwashyourhair;•don'tusenapkins;•rethink,reuse,recycle......industryharmfulcostwoodenplasticaffortn.工业adj.有害的v.花费adj.木制的adj.塑料的v.支付的起Wordsandexpressionsmakeadifferencetakepartinturnoffpayforcutdownleadto起作用；有影响参加关掉付费；付出代价减少导致WordsandexpressionsWe’retryingtosavetheearth.我们在努力拯救地球。Theriveusedtobesoclean.这河流过去是如此的清澈。Theairisbadlypolluted.空气被严重污染。Themethodisnotonlycruel,butalsoharmfultotheenvironment.这种方法不仅残酷，而且对环境也有害。基础预习写出下面单词的意思litter________bottom________fisherman_________ugly__________cost________plastic________coal_______advantage_______wooden_______把下面的短语与汉语意思连起来。makeadiffenencecutdownleadtobefullofplayapartin导致起作用减少参与充满Herearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.1aloudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuldinghousesmobilephonesnoisepullotionairpollutionwaterpollutioncars,factories,smoking,buildinghouses(burning,powerplants,nuclearwastedisposal)Loudmusic,planes,buildinghouses,mobilephones(machines,crowds,vihicles)rubbish,littering,ships,factories(sewage,industrialwaste,pesticides)Listenandcompletethesentences.1bwhatwastheproblem?Theriverwas_________.eventhebottomoftheriverwasfullof________.therewerenomore_____forfishmentocatch.reallydirtyrubbishfishwhatcausedtheproblem?peoplearethrowing_____intotheriver.Factoriesareputting_______intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe________andaskthemto___________thefactories.everyoneshouldhelp________totheriver.litterwastegovernmentclosedowncleanupMark:Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Tony:Butitusedtobesoclean!Mark:Yes,butpeoplearelitteringintheriver.Tony:Everyoneinthistownshouldplayapartincleaningitup!Role-playtheconversation.Thenmakeyourownconversationsaboutthekindsofpollutionin1a.1c2aListentotheinterview.CirclethekindsofpollutionthatJasonandSusantalkabout.A.landpollutionB.airpollutionC.noisepollutionD.waterpollution1.Theairisbadlypollutedbecausethereare________ontheroadthesedays.2.Factoriesthatburncoalalso______theairwithalotofblacksmoke.3.Thereisalsotoomuchrubbishandwaste.People___________________thingsawayeveryday.4.Peoplearealsolitteringin____________likeparks.Thisturnsbeautifulparksintouglyplaces.morecarpollutearethrowingawaypublicplaces2bListenagainandcompletethesentences.Jason:Theairhasbecomereallypollutedaroundhere.I’mreallygettingworried.Susan:Yes,Iusedtobeabletoseestarsinthesky.Jason:Theproblemisthat...Usetheinformationin2aand2btorole-playconversationsbetweenJasonandSusan.2cInterviewer:JasonandSusan,whatareyourideasforsolvingtheseproblems?Jason:Well,tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.Susan:Yeah,orrideabike.Otheradvantagesofbikeridingarethatit’sgoodforhealthanditdoesn’tcostanything!2dRole-playtheconversation.Interviewer:Greatideas!Whataboutwastepollution?Susan:Mmm,Ithinksimplethingslikebringingabagtogoshoppingcanhelp.Istarteddoingthatayearago.Jason:Me,too.Also,InevertakewoodenchopsticksorplasticforkswhenIbuytakeawayfood.Iusetheonesathome.Susan:Andremembertothrowrubbishinthecansandkeeppublicplacescleanandbeautifulforeveryone.Interviewer:Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!辨析：turn,get与become(1)become多指身份，职位等的变化，它强调变化过程已经完成，后面可以接名词或者形容词。Hebecomesateacher