英语人教版九年级全册Section A 1a—2d教学设计.doc

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1、课题Unit6Whenwasitinvented?SectionA(1a-1c)课型新授共节，本节是1节教学目标1、能掌握以下单词：invent,invented,invention(s)2、能掌握以下句型：—Whenwasthetelephoneinvented?—Ithinkitwasinventedin1876.3、能谈论物品被发明的时间，了解一些近现代发明的时间及用途。教学重点1、学会询问发明时间的基本句型：—Whenwasthetelephoneinvented?—Ithinkitwasinventedin1876.2、本课时的单词、词组和句型

2、，学习运用一般过去时态的被动语态。教学难点运用一般过去时态的被动语态来讨论发明物的发明时间。教学程序教学调控Stepone:Warmingup1.展示一些近代发明的图片与近代发明的发明者，让学生们将图片与发明者相连。T:Doyouknowwhattheseinventionsare?S1:It’sacar.S2:It’satelephone.S3:It’satelevision.T:Doyouknowwhotheseinventorsare?S1:KarlBenzS2:AlexanderBellS3:J.L.BairdLetSsmatchtheinven

3、tionsandtheinventors.Steptwo:Presentation引导学生们学习一般过去时态的被动语态结构。让学生们看大屏幕的如果爱和发明者的图片,并将句子改为被动语态。如：T:KarlBenzinventedthefirstcarin1885.Thefirstcarwasinvented(byKarlBenz)in1885.Stepthree:Talking(1a)1.Lookatthepicturesin1a.Discusswithyourgroup,inwhatorderdoyouthinktheywereinvented?Tryt

4、onumberthem[1-4].2.Ssdiscusswiththeirpartnersandnumberthepictures.3.Talkingabouttheinventions:A:IthinktheTVwasinventedbeforethecar.B:Well,IthinktheTVwasinventedaftertheTV.Stepfour:Listening(1b)1.T:TellSslookatthepicturesandyearsontheleft.2.PlaytherecordingfortheSstolisten.3.Sslis

5、tentotheconversationandtrytomatchtheinventionwiththeproperyear.4.Playtherecordingagain.5.Checktheanswers.Stepfive:Pairwork(1c)1.Sstrytoremembertheinventionandtheyear.2.StudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticea

6、gain.3.Letsomepairsaskandanswerinpairs.e.g.A:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.…Stepsix:Practice将下列句子变为被动语态。1.Hechosesixstorybookstheotherday.Sixstorybooks____________byhimtheotherday.2.UncleLeegaveJackalargecakeforhepaintedthewallwonderfully.Jack___________

7、alargecakeforhepaintedthewallwonderfully.3.Amouseatehalfofthecakelastnight.Halfofthe_________byamouselastnight.将下列句子变为主动语态。4.WerethesemachinesinventedbyEdison?_______Edison_______thesemachines?5.ThepostcardwassenttoLindabyPaul.Paul_______thepostcard_______Linda.6.Americawasdiscov

8、eredbyColumbus._______Columbusdiscovered