九年级上仁爱版英Unit2Topic1PollutioncausestoomanyproblemsSectionC教学设计Themainactivityis1a.本课重点活动是1a。Ⅰ.Teachingaimsanddemands教学目标1.Learnsomenewwordsandphrases:coal,beharmfulto,deaf,print,akindof,disturb2.Reviewdirectspeechandindirectspeech.3.Talkaboutnoisepollution.4.Improvethesenseofthestudentsonprotectingtheenvironment.Ⅱ.Teachingaids教具录音机/有关噪音污染的图片/小黑板Ⅲ.Five-fingerTeachingPlan五指教学方案Step1Review第一步复习(时间:7分钟)(教师用上两节课的内容引出新的词汇和语言点。)T:Wehaveknownsomekindsofpollution.Canyoulistthem?Ss:Yes.Suchaswaterpollution,soilpollution,lightpollution,airpollution,noisepollutionandsoon.T:Whatproblemsdotheycause?Ss:…Step2Presentation第二步呈现(时间:15分钟)1.T:Verygood.Let’slookatthepictures.(教师展示图片一。)T:(指着图片。)Whataretheyburning?Ss:Coal.(帮学生回答并重复领读解释意思。要求掌握。)T:Canburningcoalcausepollution?Ss:Yes.Burningcoalcancauseairpollution.T:You’reright.(教师展示图片二。)T:Lookatthepicture.Peopleareproducingelectricitybywind.(教师让学生猜测词义并领读electricity。)T:(指图片。)Canitcausepollution?Ss:No.T:You’reright.Itcan’tcausepollution.2.(教师让学生完成1a中的读前问题。)T:OK.Lookatthephrasesin1a,andcheck(√)whichispollution.(学生可以讨论，然后教师与学生核对答案。)3.T:Youknow,playingloudrockmusicatmidnightisakindofpollution.(板书解释并要求掌握)akindofT:Why?Ss:Becauseplayingloudrockmusiccanmakelotsofnoise.T:Yes.Itnotonlydisturbsothersbutalsodoesgreatharmtohearing.(板书，领读并讲解disturb，要求掌握。)disturbdoharmto=beharmfultoT:Let’slookatthepicture.(教师展示图片三。)T:(指图片问。)Whataretheydoing?Ss:Theyareprintingnewspapers.(教师帮助回答并释义，领读print且要求掌握。)T:Themachinesaremakingloudnoise.Cantheyheareachotherclearly?Ss:No.T:Theyhavetosaythewordsagainandagain.Iftheyworkthereforalongtime,theymaygodeaf.(教师指着耳朵领读godeaf并解释deaf:unabletohear，且要求掌握。)T:Thatistosay,theywillhavehearingloss.(板书，并要求掌握)hearingloss(教师展示图片四。)T:(教师指着图片。)Theyareworkinginthesawmill.Anditalsomakesloudnoise.Itmaydisturbthepeoplenearby.Theycan’tsleepwell.(板书并解释)sawmillnearby4.T:Sonoisepollutionisharmfultohumans’health.Right?Ss:Yes.T:OK.Let’slistentothepassagein1a.Trytofindouthowmanykindsofnoisepollutionarementionedinthepassage.(开始播放录音，播放完核对答案。)5.T:Readthepassage,thenwritedownthesefivekindsofnoisepollutioninthepassage.6.(核对答案后)T:Whatarethebadeffectscausedbynoisepollution?(板书并解释)effectSs:Itmakespeople…T:Arethereanycountriestryingtosolvetheenvironmentalproblems?Ss:Yes,thereare.Step3Consolidation第三步巩固(时间:8分钟)1.(根据课文内容，完成1b的练习。)T:OK.Read1aagainandfinish1bbyyourselves.(教师与学生核对答案。)2.(让学生两人一组读课文，讨论1c的四个句子应该分别放在课文中的哪一段。)T:Readthepassageagain,andlookatthefoursentencesin1c.S1,pleasereadthefoursentences.S1:…T:Whichparagraphshouldtheybelongto?(教师与学生核对答案，让学生回答选出正确答案的理由。)3.(要求学生利用小黑板上的关键词复述1a。)T:Retellthepassagewiththekeywordsgiven.Threeminutesforpreparation.a.noiseb.godeafc.print/livingnearairport/nobetterthan/inpublic/carsandmachinesd.uncomfortableandunpleasante.tryingtosolve4.(抽查)Step4Practice第四步练习(时间:10分钟)(教师用课文中的噪声污染来启发学生找出周围的噪声污染。)T:Wehavelearntnoiseisakindofpollution.Whatcausesnoisepollutionaroundus?(让学生分组讨论，教...
