unit9公开课导学案.doc

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1、Unit9Whenwasitinvented?Period1SectionA（1a-1c）【学习目标】1.掌握单词invent,calculator和句型：①---Whenwasit/weretheyinvented?–Itwas/Theywereinventedin….②---Whowasit/weretheyinventedby?–Itwas/Theywereinventedby…③----Whatisit/aretheyusedfor?---Itis/Theyareusedfor…2.利用句型练习，提高听和说的能力。3.激发学生对事物的好奇心和想象力，培养学生热爱生

2、活的情感。【重点】一般过去时态的被动语态【难点】正确使用目标语言谈论发明的历史。【定向诱导】Lead-in观看电影《美食从天而降》片段，引出本课知识目标：T:Whowasitinventedby?S:Itwasinventedby....T:Whatisitusedfor?S:Itisusedfor....T:Whenwasitinvented?S:Itwasinventedin....【自学探究】PresentationStepⅠ:展示预习成果NameInventorTimeBeusedforStepⅡ:以“calculator”为例核对答案.StepⅢ:Pairwo

3、rk.StepIV:完成1b.1【讨论解疑】GroupworkStepⅠ:谈论当今社会最好和最差的发明。1.Ithinkthebest/worstinventionintheworldis.2.Itwasinventedby.3.Itisusedfor.4.Ithinkit’sthebest/worstinventionbecause.StepⅡ:孤岛生存Yourblueprint（设计图）Tellus:1.Whatisthenameofyourinvention?2.Whatisitusedfor?3.Howdoesyourinventionwork?【反馈总结】()1

4、.(2012.河南)---HaveyouheardofEarthDay?---Yes.ThefirstEarthDay_____in1970toeducateustoprotectourplanet.A.celebrates（庆祝）B.celebratedC.iscelebratedD.wascelebrated()2.(2012.玉林)Lastyear,Shenzhou-8______intospace.Itmadeusproud.A.issentB.wassentC.sendsD.sent()3.(2013.陕西)Themobilephonehasinfluenced

5、people’slifealotsinceit_______.A.inventsB.inventedC.isinventedD.wasinvented.()4.(2013.玉林)Manyhouses_____intheearthquakeofApril20,2013inYa’an.A.isdestroyedB.weredestroyedC.wasdestroyedD.aredestroyed()5.(2013.雅安)----Whodesignedthisgame?-----It____byTomin1999.A.isdesignedB.designsC.wasdesign

6、edD.designed【知识总结】被动语态知识总结：一般过去时态:+过去分词【课后作业】使用一般过去时态的被动语态编写三个句子，写在课堂作业本上。1