仁爱版初三英语上册全册教案2.docx

20×20deafhearingloss(教师展示图片四。)T:(指着图片。)Theyareworkinginthesawmill.Anditalsomakesloudnoise.Itmaydisturbthepeoplenearby.Theycan’tsleepwell.(板书并解释，要求学生了解sawmill；理解nearby。)sawmillnearbyT:Sonoisepollutionisharmfultohumans’health.Right?Ss:Yes.3.(播放1a录音，学生跟读并找出文中涉及的几种噪音污染。)T:OK.Let’slistentothepassagein1a.Trytofindouthowmanykindsofnoisepollutionarementionedinthepassageandwhattheyare.(小黑板出示答案，师生共同核对。)5种噪音污染：①noisefromaprintingfactory②noisefromairports③noisecausedbyloudpopmusic④aloudnoisemadeinpublic⑤noiseproducedbycarsandmachines(核对答案后，继续呈现生词。)T:Whatarethebadeffectscausedbynoisepollution?(板书，解释并要求学生理解。)effectSs:Itmakespeoplesickordeaf.T:Arethereanycountriestryingtosolvetheenvironmentalproblems,includingnoisepollution?Ss:Yes,thereare.(板书，解释并要求学生了解。)including4.(呈现1a，学生找出疑难点，教师解释。)(板书要点并要求学生掌握。)nobetterthanStep3Consolidation第三步巩固(时间:10分钟)继续巩固1a，完成1b与1c，利用关键词进行复述，提高学生的口语表达能力。1.(根据课文内容，完成1b。)T:OK.Read1aagainandfinish1bbyyourselves.(板书并要求学生掌握rubbish；理解title。核对答案。)rubbish,title2.(让学生两人一组读课文，讨论1c的四个句子分别描述的是课文中的哪一段。)T:Readthepassageagain,andlookatthefoursentencesin1c.S1,pleasereadthefoursentences.S1:…T:Whichparagraphsshouldtheybelongto?(核对答案，让学生回答这样选择的理由。完成1c。)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/livingnearairports/nobetterthan/inpublic/carsandmachinesd.uncomfortableandunpleasante.tryingtosolve(抽查几名同学，检测复述情况。教师作点评。)Step4Practice第四步练习(时间:10分钟)将1a中与噪音污染有关的内容，与现实结合，引导学生列举噪音污染的各种来源，并提出处理意见。1.(教师用课文中的噪音污染来启发学生找出身边的噪音污染。)T:Wehavelearntnoiseisakindofpollution.Whatcausenoisepollutionaroundus?(让学生分组讨论，教师引导学生说出身边的噪音污染。)S1:Thestudentsinthenextroomareknockingonthedesk.S2:Somestudentsaretalkingloudlyintheclassroom.S3:Someoneistypingthekeyboardstrongly.S4:Somepeopleanswerthetelephonecallaloud.S5:…2.(教师在列出噪音污染的各种来源后，引导学生提出解决问题的方法，从而培养学生的环保意识。)T:Everyoneknowsnoisepollutionisharmfultoourears.Buthowcanwesolvetheseproblems?S6:Talktoeachotherinalowvoice.S7:Trytofindaproperplacetoanswerthetelephone.S8:Typethekeyboardsoftly.S9:Fin