八上仁爱版英Unit4Topic2IamsuretherearenoUFOsSectionD教学案例Themainactivitiesare1and5.本课重点活动是1和5。Ⅰ.Teachingaimsanddemands教学目标1.Learnsomeusefulsentences:(1)What’sthematterwithit?(2)Areyousureyoupluggeditin?(3)You’dbetteraskourcomputerteacherforhelp.2.Reviewthemainsentencesandusefulexpressionsinthistopicaboutrobots,UFOsandInternet.3.ReviewPastContinuousTense:(1)AUFOflewovermyheadwhileIwaswalkingtowardthebusstopyesterday.(2)Lastnight,whileJimwassleeping,hesawaUFOflyingoverhishead.4.Reviewcertaintyanduncertainty:(1)I’mquitesurethereareUFOs.(2)I’mnotsurewhether/ifrobotswillmakehumanslosetheirjobs.Ⅱ.Teachingaids教具录音机/图片Ⅲ.Five-fingerTeachingPlan五指教学方案Step1Review第一步复习(时间:15分钟)1.(教师播放4录音，完成4。)(播放几遍录音后，师生共同chant。激发兴趣，活跃气氛。)2.(通过对话复习关于Robots,UFOs和Internet的目标语言。)T:OK.Pleasestop.Yousangthissongverywell.Iknowmostofyouhaveadreamofbeingaflyingman.Butnow,wecan’t.Sowemuststudyhard.Let’sreview“robots”andmakeadialogbyyourselves.T:Hi,S1andS2!Couldyoutellmesomethingaboutrobots?S1&S2:Sure.S1:Whendidthescientistsinventthefirstrobot?S2:In1921.S1:Whatcanrobotsdoforus?S2:Theycandosomedangerousworkinsteadofhumans.Theycanhelpuscarrythingsandmendroads.S1:Areyousurerobotscanmakehumanslazy?S2:Yes,Iamsure.S1:Areyousurerobotscantaketheplaceofhumansinthefuture?S2:No,I’mnotsure.T:Wetalkedabouttherobots.Nextlet’stalkabouttheUFOs.(教师与一位同学对话。)T:S3,areyousurethereareUFOsintheworld?S3:Yes.Theylooklikeplates.T:WheredoyouoftengettheinformationabouttheUFOs?S3:IoftengetitthroughbooksandTVs.T:Whataboutyou,S4?AreyousurethereareUFOsintheworld?S4:No,I’mnotsure.T:Whydoyouthinkso?S4:Becauseuntilnow,nobodyseemstohavereallyseenUFOs,andevenscientistsaren’tsurewhetherthereareUFOs.T:Let’sgoontalkingaboutscience.Nextlet’stalkabouttheInternet.(教师与一位学生对话。)T:S5,whatdoyouthinkoftheInternet?S5:It’swonderfulandinteresting.T:WhatdoyouoftendoontheInternet?S5:Idotheshopping,listentomusic,seemovies,playgames,study,downloadusefulinformationandwritee-mails.T:DoyouspendtoomuchtimeontheInternet?S5:No,Idon’t.T:Good.TheInternetisveryinteresting,butweshouldn’tspendtoomuchtimeonit,orwecan’tstudywell.(教师示范后，让学生在小组内进行会话，然后完成表格。)AdvantagesDisadvantagesHowtouseWeshouldWeshouldn’t3.(教师呈现图片复习现在进行时和过去进行时。)(教师手拿图片，图片的背面对着学生，然后叫一名学生到前面来，根据看到的图片做出动作，让其他学生猜出其动作的含义。)T:Lookatthispicture,anddotheaction.S1:(手持话筒做唱歌状。)T:Guesslikethis:Areyou…?S2:Areyouspeaking?S1:No.S2:Areyousingingasong?S1:Yes,Iam.(学生就其他三幅图进行对话，复习现在进行时。)(练完之后，教师给予学生鼓励，并过渡到过去进行时。)(假设以上这些图片显示的是S1生日晚会上学生们所做的事情。让学生就图片进行练习。)S3:WhatwasHanMeidoingat8:00o’clocklastnight?S4:Shewassingingasong.(学生练完之后，教师鼓励学生总结现在进行时与过去进行时。)Step2Presentation第二步呈现(时间:10分钟)1.（教师解说，导入新课。）T:Lookatthepicturein1.Whoarethey?Pleasecompletethedialogin1onPage91.(学生补全对话，教师给予指导，并板书生词。)press,button,plugin,useless(核对答案。)(让学生齐读对话，然后教师以师生问答的形式检查学生对对话的理解。)T:Verygood.Pleaseanswermyquestions.What’sMichaeldoingnow?S1:Heisrepairinghiscomputer.T:What’sthematterwithit?S2:Itdoesn’twork.T:Ishesurehepluggeditin?S3:Yes,he’squites...
