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

Topic2AreyousurethereareUFOs?SectionAThemainactivitiesare1aand3.本课重点活动是1a和3。Ⅰ.Teachingaimsanddemands教学目标1.Learnsomenewwordsandaphrase:robot,scientist,appear,taketheplaceof,situation,repair,machine,truck,mend2.Learnsomeusefulsentences:(1)Whatcanrobotsdoforus?(2)Robotscantaketheplaceofhumanstodohardorboringworkinsomesituations.(3)Theycanalsodolotsofdangerousworkinsteadofhumans.3.Learnhowtoexpresscertaintyanduncertainty:(1)I’msurerobotscandosomeworkfasterandbetterthanhumans.(2)—Areyousure?—Yes,quitesure.(3)—Doyouthinkyouwillhavearobotin20years?—Yes,I’msure./No,I’mnotsure.4.Talkaboutmodernscienceandtechnology.Ⅱ.Teachingaids教具录音机/玩具/小黑板/图片Ⅲ.Five-fingerTeachingPlan五指教学方案Step1Review第一步复习(时间:8分钟)教师将一个玩具机器人和一个玩具汽车进行比较，复习形容词的比较级和最高级，引出生词及besure的用法，导入新课。1.(师生对话，边复习边引出生词。教师出示玩具机器人和小汽车。)T:Boysandgirls.Look,whatarethese?Ss:Theyaretoys.T:Whichonedoyoulikebetter,therobotorthecar?Arobotisamachinethathelpspeopledosomework.(板书并要求学生掌握。)robot,machineSs:Therobot.T:Whydoyouthinkso?S1:BecauseIthinktherobotismoreinterestingthanthecar.S2:Yes,Iagree.Ithinkitisthemostinterestingofallthetoys.T:Yes,Ithinkso.Scientistsinventedmanyusefulinventions.(教师板书并要求学生掌握。)scientistT:Newtonisascientist.Edisonisafamousscientist,too.Somestudentsinourclasswanttobescientists.Right?S3:Yes,I’msure.(引导学生用I’msure来回答。)2.(教师讲解I’msure…句型。初步让学生理解besure是表示肯定的一种说法。)T:Then,whendidthefirstrobotappear?(板书并要求学生掌握。)appearS4:Idon’tknow.T:Oh,itwasinventedin1921.Manystudentsareinterestedinrobots.Couldyoutellmewhatrobotscandoforus?(让学生讨论，汇报讨论结果。)S5:Robotscanhelpusalot.S6:Robotscandodangerouswork.S7:Robotscanhelpuscleantheroom.S8:…T:Verygood.Robotscandomanydifferentkindsofjobs.Robotscantaketheplaceofhumanstodolotsofdangerouswork.Itmeansrobotscandolotsofdangerousworkinsteadofhumansinsomesituations.(板书并要求学生掌握。)taketheplaceofsituationT:Weknowrobotscandoalotofthingsforus.Mybikeisbroken.Ihavetorepairit.Areyousurerobotscanmendmybike?(板书并要求学生掌握。)repair=mendS9:I’mnotsure.(引导并帮助学生回答。)S10:I’msuretheycanrepairit.T:I’msure,too.Areyousurerobotscanlifttrucks?S11:I’mnotsure.S12:I’msure.T:I’msure,too.(板书并要求学生掌握。)truckStep2Presentation第二步呈现(时间:8分钟)听录音，学习1a内容。1.(听两遍1a录音，回答问题。)T:Robotsareveryusefultohumans.Doyouwanttoknowmoreaboutrobots?Nowlet’slistento1aandanswerthefollowingquestions:(出示小黑板。)(1)WheredidKangkanggolastweekend?(2)Canrobotsdoanyworkfasterandbetterthanhumans?(核对答案。)2.(学生默读1a，教师板书重要结构和句型。)(板书并要求学生掌握。)tell…about…dosth.insteadofsb.somethinglike…taketheplaceofsb.todosth.besureI’msure…Step3Consolidation第三步巩固(时间:10分钟)听录音，感受英语。用关键词表演对话，培养学生听说能力。1.(学生先自己朗读1a,然后跟读，注意语音语调。标出关键词。)T:Read1afirst,thenlistentothetapeandfollow.Markthekeywords.(板书关键词)theScienceCenter,invent,appear,taketheplaceof,hardorboring,insomesituations,dangerous,insteadof,I’msure…2.(让学生根据关键词两人一组练习1a，然后找几组学生到前面表演对话。)T:Pleasepractice1ainpairsandthenactitoutinthefrontoftheclassroomaccordingtothekeywords.3.(写出机器人的优点，完成1b。)T:Welldone!Nowpleaselookat1b.Canyou...