九年级英语上册 Unit 4 Topic 2 When was it developed Section C教案 仁爱版.doc

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1、九年级上仁爱版英语Unit4Topic2WhenwasitdevelopedSectionC教案Themainactivityis1a.本课重点活动是1a。iuⅠ.Teachingaimsanddemands教学目标1.Learnsomenewwordsandexpressions:servant,forcertain,housework,makeacontributiontoNooneknowsforcertain,butmostpeoplethinkthatrobotswillbepartofourlives.2.Discussthe

2、advantagesanddisadvantagesofrobots.Ⅱ.Teachingaids教具录音机/单词卡片/写有单词释义的卡片/多媒体课件/一些机器人的图片(或教学挂图)/幻灯片Ⅲ.Five-fingerTeachingPlan五指教学方案Step1Review第一步复习(时间:13分钟)1.(出示幻灯片，同学们根据幻灯片的图表，用过去时的被动语态做对话练习。)InventionInventorYearcarKarlBenz1885radioGuglielmoMarconi1895lightbulbThomasEdison18

3、79T:Boysandgirls,wehavelearnedmanyinventionsduringthelastperiod.Lookatthetableandmakedialogslikethis:A:Whenwasthecarinvented?B:Itwasinventedin1885.A:Whowasthecarinventedby?B:ItwasinventedbyKarlBenz.T:OK!I’llasktwostudentstoaskandanswerquestionsabouttheradio.S1:Whenwasther

4、adioinvented?S2:Itwasinventedin1895.S1:Whowastheradioinventedby?S2:ItwasinventedbyGuglielmoMarconi.(再找两组同学做类似对话。)2.(师生互动，导入新课。)T:Wehavelearnedmanyinventionssuchascomputers,digitalcameras,TVsets,lightbulbs.Whichinventiondoyoulikebest?Canyoutellme?S3:Computers.S4:Cars.-5-用心

5、爱心专心S5:…T:Whydoyoulikecomputersbest,S3?S3:BecauseIcanlearnalotonthecomputers.Playingcomputergamesisveryexciting.T:Whichinventionwouldyouliketoown,S6?S6:I’dliketoownadictionary.ItcanhelpmelearnEnglishwell.T:Verygood.Anyoneelse?S7:I’dliketoownacar.It’sveryconvenient.S8:Whic

6、hinventionwouldyouliketoown,Mr./Miss…?T:IfeelverytiredafterworkandIdon’tfeellikedoinganyhouseworkatthattime.SoI’dliketoownarobot.Doyouknowrobots?(教师释义并板书，要求掌握housework。)houseworkn.Ss:Yes.Butwhy?T:I’dlikearobottohelpmedoalotofhousework.Itcancookforme.Itcancleanthehouseform

7、e.Incoldwinter,itcanwashclothesforme.Ha!It’sjustlikeaservant.It’sdangerousformetocleantheoutsideofthewindows.OK,lettherobotdoit.(板书并要求掌握生词servant。)servantn.Ss:That’sveryinteresting.T:Yes.Studyhard,andmaybeyoucaninventsomethingusefuloneday.3.(多媒体展示机器人，教师介绍导出本课的重点句型。)T:Look

8、!Thisisarobot.Itreatitasmyservant.Willitbefriendlyorunfriendly?Nooneknowsforcertain.Sofar,robots