八年级英语Environment课件1

教师姓名：彭敏•所在学校：梅山中学•教材版本（OxfordEnglishShenzhenEdition）•课题名称8BChapter3EnvironmentReading•课时：第一课时Chapter3EnvironmentMissPengMeishanMiddleSchoolWelcometomyclass!11thelightfromthesunsunlighttheairaroundtheearthatmospherebeinggoodfortheenvironmentenvironmentallyfriendlyheatwarmthcoversthinwaterdrownwithoutlifelifelesstheheightofsthlevelsunlightatmospherewarmthlifelessdrownlevelenvironmentallyfriendlyReadthenewwords.1.Thea_________aroundEarthactsliketheglass.2.Theatmosphereletss______inandkeepsmuchofthew_____fromgettingout.3.Becauseofthepollution,theatmospherekeepsintoomuchheatanditcausesthel_____ofseastoriseandd______citiesandevencountries.4.Peoplewhoonlybuyandusee_____________f_______thingsaregreenconsumers.tmosphereunlightarmthUsethenewwordstofinishthesentences.evelrownsnvironmentallyriendlya.Theatmosphereisimportanttoalllivingthings.b.Theworldisindanger.c.Theburningandcuttingdownoftreesmakesthegreenhouseeffectworseandcausesfloods.d.Wecreatetoomuchrubbish.e.Pollutionischangingtheatmosphere.f.Weshouldonlybuyandusegreenproducts.P1:P2:P3:P4:P5:P6:Mainidea:_______1.indifficulty_______2.allowsb/sthtogetin_______3.stop…from…_______4.discardsthasuselessorunwanted._______5.alotofindangerlet…inkeep…from…throwawaymountainsofFindoutthephrasesinthetextwiththesamemeaning.1.Thesurfaceofthemooniscoldandlifeless.Iftherewasnoatmosphere,Earthwouldbecoldandlifeless,too.2.Becausetreescanabsorbharmfulgases.3.Thiswillmakethelevelofseasrise.4.Muchofthewarmthcan’tgetoutbecauseoftheatmosphere.Withoutatmosphere,Earthwouldbeascoldandlifelessasthesurfaceofthemoon.Becausetreescantakeinharmfulgases.Thiswillcausethelevelofseastorise.Theatmospherekeepsmuchofthewarmthfromgettingout.Findoutthesenencesinthetextwiththesamemeaning.chemicalsThegreenhouseeffectsunlightwarmthheatlevelofseascitiesandcountries①letin②keep…from③pollutedby④keepin⑤causeatmospheresoilharmfulgases①takein③make…worsethegreenhouseeffectfloods④cause②hold…togtherDestructionofrainforestsBadhabitsthehabitofusingthingsonceandthrowingthemaway①create②polluteWehaveonlyoneworld,weshouldprotectit.Survey:Howtobecomeagreenconsumer?Homework:1.Readthetextaloudtoyourparents.2.Writeashortpassageonthetopic“Howtobecomeagreenconsumer?”