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1、八上仁爱版英Unit4Topic2IamsuretherearenoUFOsSectionA教学案例Themainactivitiesare1aand3.本课重点活动是1a和3。Ⅰ.Teachingaimsanddemands教学目标1.Learnsomeusefulwordsandexpressions:robot,scientist,appear,taketheplaceof,situation,repair,truck,mend2.Learnhowtoexpresscertaintyanduncertainty:(1)I’msurero
2、botscandosomeworkfasterandbetterthanhumans.(2)—Areyousure?—Yes,quitesure.(3)—Doyouthinkyouwillhavearobotin20years?—Yes,I’msure./No,I’mnotsure.3.Talkingaboutmodernscienceandtechnology.Ⅱ.Teachingaids教具录音机/玩具/小黑板Ⅲ.Five-fingerTeachingPlan五指教学方案Step1Review第一步复习(时间:15分钟)(教师将一个玩具机
3、器人和一个玩具汽车进行比较，复习形容词的比较级，引出生词及besure的用法，逐渐导入新课。)T:Boysandgirls.Look,whatarethese?Ss:Theyaretoys.T:Whichonedoyoulikebetter,therobotorthecar?(教师说时拿出机器人演示，让学生理解robot的意思并板书。)robotSs:Therobot.T:Whydoyouthinkso?S1:BecauseIthinktherobotismoreinterestingthanthecar.S2:Yes,Iagree.Ithi
4、nkitisthemostinterestingofallthetoys.T:Yes,Ithinkso.Scientistsinventedthefirstrobotin1921.(教师边说边板书scientist。)scientistT:Newtonisascientist.Edisonisafamousscientist,too.Somestudentsinourclasswanttobeascientist.Right?S3:Yes,I’msure.(引导学生用I’msure来回答。)T:Then,whendidthefirstrobo
5、tappear?(板书)appearS4:Idon’tknow.S5:NeitherdoI.T:Oh,itwasinventedin1921.Manystudentsareinterestedinrobots.Couldyoutellmewhatrobotscandoforus?(让学生讨论，汇报讨论结果。)S6:Robotscanhelpusalot.S7:Robotscandodangerouswork.S8:Robotscanhelpuscleantheroom.S9:…T:Verygood.Robotscandomanydiffere
6、ntkindsofjobs.Robotscantaketheplaceofhumanstodolotsofdangerouswork.Itmeansrobotscandolotsofdangerousworkinsteadofhumans.(板书)taketheplaceof=insteadofT:Weknowrobotscandoalotofthingsforus.Mybikeisbroken.Ihavetorepairit.Areyousurerobotscanmendmybike?(教师边说边板书repair。注意此处用besure，初
7、步让学生理解besure是表示肯定的一种说法。)repair=mendS10:I’mnotsure.(引导并帮助学生回答。)S11:I’msuretheycanrepairit.T:I’msure,too.Areyousurerobotscanlifttrucks?S12:I’mnotsure.S13:I’msure.T:I’msure,too.(板书)liftStep2Presentation第二步呈现(时间:5分钟)(听两遍1a录音，回答问题。)T:Robotsareveryusefultohumans.Doyouwanttoknowmo
8、reaboutrobots?Nowlet’slistento1aandanswerthefollowingquestions.(出示小黑板。)(1)Wheredid
