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1、Unit13Wearetryingtosavetheearth.SectionA1a-3bseriouspollutionWeareharmingourplanetinsomanyways.伤害airpollutionsoilpollutionwaterpollutiontheearthsongbyMichaelJackson!!!Factoriespourdangerousgasesintotheair.Carsalsopourdangerousgasesintotheair.tailgasAirpollution!Th
2、eweatherisalwaysfoggy.Wecan’tseethebluesky.Wecan’tbreathethefreshair.Doyouknowwhy?Factoriesproducetoomuchdangeroussmoke.Thetrafficproducestoomanyfumes.Somepeoplesmokeinpublicplaces.Dad,what’stheacidrain?Naturalresourcesaredisappearingatadangerousrate.以危险的速度Youthro
3、wawaythecans.That’sbadfortheEarth.Yourecyclethecans.That’sgoodfortheEarth.Youthrowoldnewspapersaway.Youwastepaper.That’sbadfortheEarth.Yourecycleoldnewspapers.Yousavepaper.That’sgoodfortheEarth.Youusealotofnewplasticbags.That’sbadfortheEarth.Youuseyourownbag.That’
4、sgoodfortheEarth.Youusepaperononesideonly.That’sbadfortheEarth.Youusepaperonbothsides.That’sgoodfortheEarth.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
5、；付出代价减少导致WordsandexpressionsWe’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。Sentences基础预习写出下面单词的意思litter________bottom________fisherman___
6、______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Herearesomewordsrelatedto differentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.1aloudmusicc
7、arsrubbishplaneslitteringshipsfactoriessmokingbuldinghousesmobilephonesnoisepullotionairpollutionwaterpollutioncars,factories,smoking,buildinghouses(burning,powerplants,nuclearwastedisposal)Loudmusic,planes,buildinghouses,mobilephones(machines,crowds,vihicles)rubb
8、ish,littering,ships,factories(sewage,industrialwaste,pesticides)Listenandcompletethesentences.1bwhatwastheproblem?Theriverwas_________.Eventhebottomofth
