八年级英语上册 Unit 4《Our World》Topic 2 Section B 教案 仁爱版VIP免费

Topic2AreyousurethereareUFOs?SectionBThemainactivitiesare1aand2.本课重点活动是1a和2。Ⅰ.Teachingaimsanddemands教学目标1.Learnsomenewwordsandphrases:toward(s),plate,planet,information,mistake…for…,object,balloon,callfor,wake,wakeup,real2.Learnsomeusefulsentences:(1)Peopleoftenmistakesomeman-madeobjectssuchaskitesorballoonsforUFOs.(2)Getup,oryou’llbelateforschool!3.Goonlearningtoexpresscertaintyanduncertainty(besure/benotsure)andreviewpastcontinuoustense:(1)AUFOflewovermyheadwhileIwaswalkingtowardthebusstopyesterday.(2)I’mquitesurethereareUFOs.(3)I’mnotsosure.Evenscientistsaren’tsurewhetherthereareUFOs.(4)I’mnotsurewhether/ifrobotswillmakehumanslosetheirjobs.(5)WhileJimwassleeping,hesawaUFOflyingoverhishead.Ⅱ.Teachingaids教具实物/录音机/图片/小黑板Ⅲ.Five-fingerTeachingPlan五指教学方案Step1Review第一步复习(时间:8分钟)通过游戏复习对话，导入新知识。1.(猜谜游戏：复习过去进行时和表示肯定与不肯定句式的用法。)(把学生分成三人一组，一人在纸上写一个动作，让另外两位同学猜他在做什么，猜时要用上I’msure./I’mquitesure./I’mnotsure.练习之后，以小组为单位在台前表演。)(教师找两位学生帮忙，做出示范。S1写出动作。)T:WhatwasS1doingatthistimeyesterday?S2:ShewaswatchingTV.T:Areyousure?S2:Yes,I’mquitesure.S1:Yes,IwaswatchingTVatthattime.(小组练习完之后，找几组学生表演。)2.(检查作业：汇报搜集到的有关机器人和不明飞行物的信息。师生对话，引出生词，导入新课。)(1)(检查作业。)T:I’msureyousearchedfortheinformationaboutrobotsandUFOslastnight.Pleasegiveareportaboutthem.(板书并要求学生了解。)UFO(2)(教师出示一些UFO的图片，导入新课。)T:(出示图片)YouhaveknownmuchaboutrobotsandUFOs.Ihavesomepicturesaboutthemhere.Lookatthesepictures.Whatarethese?Ss:TheyareUFOs.T:WhatdotheUFOslooklike?Ss:Theylooklikeplates.（帮助学生回答。）(板书并要求学生掌握。)plateT:I’mnotsurewhetherthereareUFOs.AreyousurethereareUFOs,S3?(板书并帮助学生理解表达不确定的句式。解释whether/if。)I’mnotsurewhether/ifthereareUFOs.S3:Yes,I’mquitesure.T:Whataboutyou,S4?S4:I’mnotsurewhetherthereareUFOs.T:I’mnotsure,either.Idon’tknowwhethertherearelivingthingsonotherplanets.(板书并要求学生掌握。)planetT:Theearthisaplanet.Mars(火星)isaplanet,too.Bothofthemareplanetsofthesun.Step2Presentation第二步呈现(时间:5分钟)通过听录音和理解对话，使学生进一步学习表达确定和不确定的句式。1.(设置听力任务，播放1a录音。)T:MostofusarenotsurewhetherthereareUFOs.IstherereallyaUFO?Janeandherfriendsaretalkingaboutit.Nowlistento1aandanswerthefollowingquestion:WhatdidJaneseewhileshewaswalkingtowardthebusstopyesterday?(板书并要求学生掌握。)toward(s)(核对答案。)2.(再次播放1a录音，让学生跟读，注意语音语调。)T:Listentothetapeandfollow.Payattentiontothepronunciationandintonation.Step3Consolidation第三步巩固(时间:12分钟)表演1a对话，完成1b和1c。巩固确定与不确定的表达方式。1.(阅读1a，完成1b。)T:SomestudentsaresurethereareUFOs,butsomearen’tsureaboutthis.WhataboutMichael,Kangkang,JaneandMaria?Read1aandfinish1b.(核对答案。)2.(根据1b表格，四人一组练习1a对话。)T:Pleasepracticethedialogusingtheinformationin1b.ThenI’llletsomeofyouactitout.(练习后，让几组学生表演。)3.(用给出的句子编对话，完成1c。)T:From1aweknowscientistsaren’tsurewhetherthereareUFOs.ButI’msuretherearerobots.Areyousure,S1?S1:I’mquitesure.T:I’msurerobotswillmakehumanslosetheirjobs.S2:I’mnotsurewhetherrobotswillmakehumanslosetheirjobs.T:Lookattheexamplein1c.Canyoumakesimilardialogsbyusingthesentencesintheb...