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’msurerobotscandosomeworkfasterandbetterthanhumans.(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.Ithinkitisthemostinterestingofallthetoys.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,whendidthefirstrobotappear?(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.Robotscandomanydifferentkindsofjobs.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.Doyouwanttoknowmoreaboutrobots?Nowlet’slistento1aandanswerthefollowingquestions.(出示小黑板。)(1)WheredidKangkanggolastweekend?(2)Whendidthescientistsinventthefirstrobot?(3)Canrobotsdoanyworkfasterandbetterthanhumans?(核对答案。)Step3Consolidation第三步巩固(时间:10分钟)1.(学生先自己朗读1a,然后跟读，注意语音语调。写下关键词。)T:Read1afirst,thenlistentothetapeandfollow.Writedownthekeywords.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:Pleasepractise1ainpairsandthenactitoutinthefrontoftheclassroomaccordingtothekeywords.3.(完成1b。)T:Welldone!Nowpleaselookat1b.Canyouwritedowntherightanswersaccordingtothedialog?Ss:Yes.T:Areyousureyoucanwritedowntheanswerswithoutlookingatthedialog?Ss:Yes.We’requitesure.T:OK.I’llaskthreestudentstocometotheblackboardandwritethemdown.(2分钟后核对答案。)Step4Practice第四步练习(时间:10分钟)1.(1)T:Boysandgirls,wehavelearnedsomethingaboutrobots.Whatelsecanrobotsdoforus?S1:Theycansavepeopleindanger.S2:Theycanrepairmachines.…(2)(出示2中的图片，试着用英语描述。)T:Lookatthepictures.TrytodescribetheminEnglish.(3)(听2录音，完成2并核对答案。)T:Listentothetapeandnumberthepictures.(4)(小组对话，巩固所学短语。)T:Pleasediscussrobotsingro...
