Unit13Wearetryingtosavetheearth.LanguageGoalTalkaboutpollutionandenvirnmentalprotectionTotalkaboutairpollution,waterpollutionandsoundpollution.Tothinkaboutwaysofprotectingtheenvironment.Tolearnthenewwords:advantage,scientificseriouspollutionWeareharmingourplanetinsomanyways.伤害airpollutionsoilpollutionwaterpollutiontheearthsongbyMichaelJackson!!!Factoriespourdangerousgasesintotheair.Carsalsopourdangerousgasesintotheair.tailgastailgasairpollution!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.Ithrowawaycans.Irecyclecans.Irecyclecans.Youthrowawaythecans.That’sbadfortheEarth.Yourecyclethecans.That’sgoodfortheEarth.Therearealotofoldnewspapersatyourhome.Whatdoyoudo?Ithrowtheoldnewspapersaway.Ithrowtheoldnewspapersaway.Irecycletheoldnewspapers.Irecycletheoldnewspapers.Youthrowoldnewspapersaway.Youwastepaper.That’sbadfortheEarth.Yourecycleoldnewspapers.Yousavepaper.That’sgoodfortheEarth.Yougoshopping.Whatdoyoudo?Iusealotofnewplasticbags.Iusealotofnewplasticbags.Iusemyownbag.Iusemyownbag.Youusealotofnewplasticbags.That’sbadfortheEarth.Youuseyourownbag.That’sgoodfortheEarth.Whenyouwriteonapieceofpaper,whatdoyoudo?Iwriteononesideonly.Iwriteononesideonly.Iwriteonbothsides.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。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.reallydi...