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九年级英语上册 Unit 4 Topic 2 When was it developed Section B教案 仁爱版VIP免费

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九年级上仁爱版英语Unit4Topic2WhenwasitdevelopedSectionB教案Themainactivitiesare1aand3a.本课重点活动是1a和3a。Ⅰ.Teachingaimsanddemands教学目标1.Learnsomenewwords:clone,experiment2.Goonlearningthesimplepastpassivevoice:(1)Whenwasitinvented?(2)Itwasinventedin1879.3.Learnsomeinformationabouttheclonetechnology.Ⅱ.Teachingaids教具录音机/多媒体课件或图片Ⅲ.Five-fingerTeachingPlan五指教学方案Step1Review第一步复习(时间:13分钟)1.(做一个链式游戏,以小组为单位,就上一节课学过的计算机、MP3、CD、手机、数码相机或学习用具等进行对话,用bemadeof/bemadein/bedevelopedfrom/beusedfor进行操练。让每一小组的第一个同学回过头去问下一位同学,依次接着往下问。)T:Boysandgirls.Let’splayagame.Askquestionsonebyone.S1:HowdoyousayitinEnglish?(出示钢笔)S2:Apen.S2:What’sitmadeof?S3:It’smadeofsteelandplastic.S3:Whenwasitdeveloped?S4:Itwasdevelopedin2006.S4:What’situsedfor?S5:It’susedforwritingwith.T:Doyouunderstand?Ss:Yes.T:OK.Let’sbegin.2.(出示图片,导入新课。)T:Youdidverywell.Therearemanyimportanttechnologiesandinventionsintheworldtoday.Lookathere.(展示灯泡图形。)It’salightbulb.(板书lightbulb。)Doyouknowaboutit?Ss:Yes,alittle.T:OK,whoinventedit?Ss:ThomasEdison.T:Whenwasthelightbulbinvented?Doyouknow?Ss:No.T:Itwasinventedin1879.OK,let’sbeginournewlesson.Wewilllearnsomethingmoreaboutothertechnologiesandinventions.Andlookatthispicture.(出示收音机的图片。)Whoinventedtheradio?Doyouknow?Ss:Sorry,wedon’tknow.T:ItwasinventedbyGuglielmoMarconi.(展示图片的发明者的名字和年份。)T:Andwhenwasitinvented?Ss:Itwasinventedin1895.T:Verygood.Andlookatthispicture.(展示一幅飞机的图片。)Whoinventedit?(同时展出图片的发明者和年份。)Ss:ItwasinventedbyWilburandOrvilleWright.T:Andwhenwasitinvented?Ss:Itwasinventedin1903.3.T:Wehavetalkedaboutsomanyinventions,buthaveyoueverheardofclone?(教师释义并领读clone。)cloneSs:Yes,ofcourse.T:That’sverygood.Sowhat’sthenameofthefirstclonedsheep?Ss:Dolly.T:Whenandwherewasitcreated?Ss:ItwascreatedinScotlandafewyearsago.T:Whatisusedincloning?Ss:DNA.T:Whatotherthingshasmancloned?Ss:Rabbits,cows,mice,pigsandsomeotheranimals.Step2Presentation第二步呈现(时间:10分钟)1.(播放1a录音,学生跟读,让学生填好表格。完成1b。)InventionInventorYearLightbulbGuglielmoMarconi1903(由两个学生到黑板上把表格填好,教师核对答案。)2.(指导学生阅读3a,板书文中的关键词和短语,为下一环节的课文复述作准备。)T:Wehavetalkedaboutsomanyinventions.Nowwearegoingtolearnsomethingnewaboutagreattechnology.DoyouknowDolly?Ss:Yes,ofcourse.T:It’sthenameofthefirstclonedsheep.Cloningisafamousexperimentthroughouttheworld.(板书,解释并要求掌握。)experimentn.Cloningisafamousexperimentthroughouttheworld.DoyouwanttoknowmoreaboutDolly?OK,read3acarefullyin5minutes,andthenfinish3b.(核对答案为(1)F,(2)T,(3)F,(4)F)3.(让学生听3a并跟读,画出重点单词和词组,教师板书。)T:Pleaselistento3aandreadafterit.Findoutthenewwordsandimportantphrases.(板书)clone,experiment,sofar,besimilarto(学生听完录音后,与教师板书的内容对照,并朗读课文3a,教师讲解本课重要词组。)Step3Consolidation第三步巩固(时间:10分钟)1.(引导学生看黑板上表格中的信息,讲述三项发明的情况,巩固1a。鼓励学生使用本课的目标语言:一般过去时的被动语态。)T:Now,lookatthechartontheblackboardandtrytosaysomethingabouttheinventionswelearnedjustnow.S1:ThelightbulbwasinventedbyThomasEdisonin1879.S2:TheradiowasinventedbyGuglielmoMarconiin1895.S3:TheairplanewasinventedbyWilburandOrvilleWright.Itwasinventedin1903...

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

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