初中英语九年级全册-Unit 6 Section A (1a-1c)学案

人教版英语九年级全册第六单元SectionA(1a-1c)导学案Unit6Whenwasitinvented?SectionA(1a-1c)预习目标：Tolistenandtalkabouttheimportantinventionsandtheirhistory,usingpassivevoice.(1).--Whenwas…invented?--Ithinkitwasinventedin…(2).Ithink…isinventedbefore/after…2.通过谈论重要发明，引出一般过去时态的被动语态以及用法。预习导学：复习前面学过的一般现在时态的被动语态：结构：主语+be(is\am\are)+动词过去分词+其它.——肯定句主语+be(is\am\are)+not+动词过去分词+其它.——否定句Be(is\am\are)+主语+动词过去分词+其它？——一般疑问句例句：Thegreentreesareplantedbythesideofthemountains.（肯定句）Thegreentreesaren’tplantedbythesideofthemountains.（否定句）Arethegreentreesplantedbythesideofthemountains?（一般疑问句）练习题：用所给词的正确形式填空。1.Keys__________(use)forlockingthedoor.2.English___________(speak)InEngland.3.Thebaby___________(look)afterbyhisbaby.4.Basketball___________(play)ontheplayground.5.Rice___________(grow)inChina.6.Mostofthefarmwork____________(do)bymachinesinnorthernChina.参考答案：1.areused2.isspoken3.islooked4.isplayed5.isgrown6.isdone预习导学：由invent一词引出一般过去时态的被动语态：invent,发明，动名词；invention，发明，名词；inventor，发明家，名词。Talkaboutinventions:e.g.Edison,agreatinventor,inventedmanygreatinventionsduringhislife.Forexample,lightbulbisoneofthem.Thatmeans“Edisoninventedlightbulbs”=LightbulbswereinventedbyEdison.Bellinventedthefirsttelephonein1876.=Thefirsttelephonewasinvented(byBell)in1976.KarlBenzinventedthefirstcarin1885.=Thefirstcarwasinvented(byKarlBenz)in1885.J.L.Bairdinventedthefirsttelevisionin1927.=Thefirsttelevisionwasinvented(byJ.L.Baird)in1927.1aLookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem(1-4)(1=first,4=last)Thenworkinpairstopracticetheconversationlikethis:A:IthinktheTVwasinventedbeforethecar.B:Well,IthinktheTVwasinventedafterthecar.运用句型：A:Ithink…wasinventedbefore/after...B:Well,Iagreewithyou.或者Well,Ithink...1bListenandmatchtheinventionswiththeyears.______1876______1885______1927_______1971参考答案：d.telephone——1876a.car——1885c.television——1927a.car——1971听力材料中涉及一般过去时的被动语态的句子：Thetelephonewasinventedin1876.\Carswereinventedin1885.\TheTVwasinventedaround1927.\Personalcomputerswereinventedin1976.一般过去时的被动语态：主语+was/were+及物动词-ed形式+其它。（肯定句）主语+was/were+not+及物动词-ed形式+其它。（否定句）Was/Were+主语+及物动词-ed形式+其它？（一般疑问句）例如：Theclassroomwascleanedyesterday(bystudents).（肯定句）Theclassroomwasn’tcleanedyesterday(bystudents).（否定句）Wastheclassroomcleanedyesterday(bystudents)?（一般疑问句）又如：Theflowerswerewateredbythelittlegirl.（肯定句）Theflowersweren’twateredbythelittlegirl.（否定句）Weretheflowerswateredbythelittlegirl?（一般疑问句）1cStudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.A:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.类似的练习：A:Whenwasthecar\computer\televisioninvented?B:Itwasinventedin...练习题：翻译句子1.电话是什么时候发明的？When_______thetelephone______?2.汽车是谁发明的？________wasthecarinvented_______?3.电视机的发明早于电话吗？Wasthetelevision___________________thetelephone?4.不是。电视机的发明晚于电话。No,thetelevision________invented________thetelephone.5.家庭电脑约于1971年问世。Personalcomputers__________________________1971.参考答案：was,invented2.Who,by3.invented,before4.was,after5.wasinventedaround用所给词的正确形式填空。Oh,lookatthetallbuilding,doyouknowwhen_____it_______(build)?Tomdidn’tcometothepartybecausehe__________________(notinvite).Luckily,thesickman_________________(take)tothehospitalintime.InAmericanhistory,Dr.MartinLutherKing_________________.(kill)Thebook_________________(write)bythefamousChinesewritercalledLuxun.I_________________(tell)nottoswimalonebymyteachers.按要求改写句子。1.Bellinventedthefirsttelephone.（改为被动语态）Thefirsttelephone_____________byBell.2.Theplayedbasketballatschoolyesterday.（同上）Basketball___________atschoolbythem.参考答案：1.was,built2.wasn’tinvited3.wastaken4.w