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1、Unit13We’retryingtosavetheearth!PeriodOneSectionA1a-2d一、教学目标知识与技能：掌握目标语言：Peoplearethrowingawaythingseveryday./Peoplearelitteringinpublicplaces./Tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving./Ouractionscanmakeadifferenceandleadtoabe
2、tterfuture.重点单词及短语：(1)Curriculumwords:litter,bottom,fisherman，coal,ugly,advantage,cost,wooden,plastic,takeaway,bin,(2)Usefulexpressions:befullof,put…into,throw…into,cleanup,playapartin,closedown，throwaway,inpublicplaces,getworried,cutdown,leadto过程与方法
3、：通过完成各种任务训练听说能力。情感、态度价值观：让学生认识到保护河流干净的重要性及减少污染,保护动物的重要性。二、教学重点与难点掌握目标语言，提高听力能力。复习现在进行时态及usedto的用法。三、教学准备多媒体课件四、教学过程Step1WarmingupPlaytheearthsongbyMichaelJacksonStep2Presentation1a.TointroduceSstotheunitgoal,talkaboutpollutionandenvironmentalprotecti
4、on.Thepicturesshowdifferentformsofenvironmentalpollution.Thefirstpictureontheleftshowsanairplaneflyingoversomehouses.Theairplaneseemstobeflyingaquitealowaltitude,sothenoiselevelmustbequitehighfoethepeoplelivinginthesehouses.Thisisconsiderednoisepollu
5、tion.Thesecondpictureshowssomevehiclesgiveoutexhaustfumesandcausingairpollution.Inthethirdpicture,weseebigchimneysgivingoffalotofsmokeandpollutingtheair.Thelastpictureshowsarubbishdumphatpollutestheenvironmentaroundit.Whatotherthingscausepollution?As
6、kSstocompletetheactivityasaclass,thenworkinpairstothinkofmorewordstoaddtothelistsforeachcolumn.Step3Practice1b.TohelpSsrecognizethetargetlanguageinnaturalspeech.Everyoneneedstoplayapart:Intheconversation,theboysaretalkingabouttheriverintheirtownbeing
7、pollutedbylitterandindustrialwaste.Oneofthemwantstowritetothegovernmentabouttheproblem,buttheotherboywiselysaysthatcleaninguptheriveriseveryone’sresponsibility,notjustthegovernment’s.PredictingtheanswersSsworkinpairstopredicttheanswerstotheactivity,t
8、henplaytherecordingforSstofillinthegapsandreviewanswersasaclass.1c.TogiveSsguidedpracticeinusingthetargetlanguagetotalkaboutpollutionandenvironmentalprotection.Step4Listening2a.TogiveSspracticeinlearningforspecificinformation.Intheconversation,Susani
