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Unit2Topic1SectionB教学设计Ⅰ.Materialanalysis本课是九年级第二单元第一话题的第二课时，主活动是1a和3a。1a通过Mrs.Zhou讲述自己的身体状况和生活环境，引出污染对人们的健康和生态环境所产生的危害，同时也道出了污染产生的原因。1b通过“听—回答问题—再听—核对答案”的模式来训练学生的听力技能。2与1a形成很好的呼应，通过康康向报社反映西山污染情况的信件，呼吁政府和大众关注环境问题，要求学生掌握词性的转换，强化1a中的语言知识。3a和3b通过图片和简介来描述不同种类的污染以及带来的危害。在学习这些污染的同时，也兼顾了单词的重读，句子的连读、停顿及语调等语言知识。通过学习本课，引导学生关注环境问题，了解各种污染类别以及带来的危害，树立正确的环保意识。Ⅱ.Teachingaims1.Knowledgeaims：掌握本课的重点词汇和短语，正确运用现在完成时进行问答。2.Skillaims:能通过观察课文插图来预测课文内容。能听懂用现在完成时表达的对话。能朗读和表演有关环保的对话。能正确运用连读和停顿的技巧，使发音流畅，富有韵律感。3.Emotionalaims:(optional)引导学生关注环境问题，树立绿色环保意识，增强忧患意识和社会责任感。4.Cultureawareness:(optional)通过谈论环境问题，让学生了解不同种类的污染及其危害。Ⅲ.Thekeypointsanddifficultpoints1.Keypoints:Wordsandphrases:pain,produce,awful,bear,harmful,chest,editor,breathe/breath,soilgetapainin…,what’sworse,toomuchnoise,toomanyproblems,breathingproblem,beharmfulto,makeamessof,throw…aroundSentences:It’sdifficultformetobreathe.I’vegotapaininmythroat.It’sreallyawful.A:Howlonghaveyoubeenlikethis?A:Haveyouseenadoctor?B:I’vebeenlikethissincelastweek.B:Notyet.Grammar:PresentPerfect的问答。2.Difficultpoints：能在不同语境中，正确判断单词的不同词性。在朗读中，能正确地把握连读和停顿的技巧。Ⅳ.Learningstrategies通过1a，教会学生善于利用插图理解有关污染的对话。通过2，训练学生在不同的语境中学会转换词性，并拓展学生的词汇量。通过3a，引导学生通过观察图片分析和了解不同的信息。通过3b，要求学生掌握连读，停顿的发音技巧，反思自己的发音中的问题。Ⅴ.Teachingaids单词卡片（如：breathe/breath,pain,harmful/harm）；关于污染的图片或者幻灯片；录音机；小礼品若干等。Ⅵ.TeachingproceduresStage(timeperiod)InteractionpatternsTeacheractivityStudentactivityRemarks1Gettingstudentsreadyforlearning（2mins)GroupworkGuidetheSstodiscussdifferentkindsofpollutioningroupsandsharetheanswertogether.T:HowmanykindsofDiscussdifferentkindsofpollutioningroupsandsharetheanswertogether.该环节是对前一课时所布置作业的检查，让学生通过查找资料，倾听同伴的讲解等方式，提高获取信息的能力pollutiondoyouknow?S1:AirpollutionS2:WaterpollutionS3:LitterS4...S1:AirpollutionS2:WaterpollutionS3:LitterS4...和意识，引导学生从不同渠道关注社会问题。2Lead-in(5mins)ClassactivityLettheSslookatthepicturesin3aonpage30andguessthemeaningandpronunciationof“soil”.Askthemtopayattentiontothetypesofpollution.T:Lookatthesepictures,whatkindsofpollutionarethese?S1:AirpollutionS2:WaterpollutionS3:LitterS4:LightpollutionS5:NoisepollutionGuessthemeaningandpronunciationofthenewwordsaccordingtothepicturesandtheteacher’sdescriptions.S1:AirpollutionS2:WaterpollutionS3:LitterS4:LightpollutionS5:Noisepollution先让学生根据图片猜测短语的意思，此处只呈现前五幅图片，在下一环节再用“soilpollution”引入听前活动，并以此教授部分新的单词和短语。3Pre-listening(5-7mins)ClassactivityShowthepictureofsoilpollution,teachthenewwordsandchecktheanswersof3b.Payattentiontothepronunciation,liaisonandpausewhilereading.Lookatthepictureofsoilpollution,learnthenewwordsandtrytofinish3b.Payattentiontothepronunciation,liaisonandpause教师应利用介绍土壤污染的契机，教授新单词、短语，同时示范句子的连读和停顿，为训练学生流畅的口语打好基础。T:Lookatthispicture,whatkindofpollutionisthisone?(LeadtheSstopronounceit.)S6:Soilpollution.T:Right.Peopleusetoomanychemicalsintheirfields,/andsoilpollutioncausesunhealthyfood.Thefoodisharmfultoourhealth.(TeacherwritedownthewordsandphrasesontheBb.)T:Nowtrytofillintheblanksin3bwiththewordsandphrasesin3a.…T:Nowlet’schecktheanswer.S1:waterpollutionS2:airpollutionS3:noisepollutionS4…T:OK,let’sreadthesentencestogether.Paywhilereading.S6:Soilpollution.S1:waterpollutionS2:airpollutionS3:noisepollutionS4…attentiontothepronunciation,liaisonandpause.(Teachercangiveanexampleifnecessary)…4While-listening(5-7mins)IndividualworkStep1:ShowapictureofthepollutedWestHill,lettheSslistento1aonceandtickthequestionstheyhearinpartAof1b.Thenchecktheanswerstogether.T:Asweknow,theWestHillhaschangedalot.Lookatthispicture,whatpollutioncanyoufindinthepicture?Ss:Airpollution,waterpollution,noisepollution…T:Right.Whateverthepollutionis,itisharmfultopeople’shealth.Mrs.Zhougetsapaininherchestbecauseofthebadair.NowlistentothedialogLookatapictureofthepollutedWestHill,listento1aonceandtickthequestionstheyhearinAof1b.Thenchecktheanswerstogether.Ss:Airpollution,waterpollution,noisepollution…S1:What’swrongwithyou?S2:Howlonghaveyoubeenlikethis？S3:Haveyouseen在环节与环节的过度上，要注意自然流畅，是顺理成章的进入下一个步骤，而不是直接切入。因为过渡语既能起到承上启下的作用，又能抓住学生的注意力。IndividualworkbetweenKangkangandMrs.ZhouandtickthequestionsyouheartofinishpartAin1b.…T:OK,let’schecktheanswers.S1:What’swrongwithyou?S2:Howlonghaveyoubeenlikethis？S3:Haveyouseenadoctor?S4:Haveyounoticedthedeadfishintheriver?Step2:GettheSstolistenagainandmatchthequestionswiththerightanswersinpartBof1b.Thenchecktheanswerstogether.T:Great.Listenagain,matchthequestionswiththerightanswersinB.…S5:No.1isc.adoctor?S4:Haveyounoticedthedeadfishintheriver?ListenagainandmatchthequestionswiththerightanswersinBof1b.Thenchecktheanswerstogether.…S5:No.1isc.S6:No.2isb.S7:No.3isa.S8:No.4isd.S6:No.2isb.S7:No.3isa.S8:No.4isd.5Post-listening(17mins)IndividualworkClassactivityandGroupworkStep1:GettheSstoread1aandanswerthequestionsin1c.T:Nowread1abyyourselvesandanswerthequestionsin1c.….T:OK,whatcausedMrs.Zhou’sproblem?S1:Pollution.Thechemicalfactoriesproduceterriblegas,maketoomuchnoiseandpourwastewaterintorivers.T:WhatwillKangkangdo?S2:Hewillwritetothenewspaperabouttheproblems.T:Doyouhaveanyotherwaystosolvetheproblem?S3…Read1aandanswerthequestionsin1c.…S1:Pollution.Thechemica