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1、Unit6Whenwasitinvented?SectionA1(la-2c)一、教学目标：1•语言知识目标：Keyvocabulary:heel,scoop,electricity,style,project,pleasure,zipper,daily,website,pioneer,list,mention2.Letthestudentsknowtheusageandtimeofsomemoderninventions3•能谈论物品被发明的时间、发明者，表达某发明的用途。4•能掌握以下句型：①一Whenwasthet
2、elephoneinvented?一Ithinkitwasinventedin1876・②-—Whataretheyusedfor?一Theyareusedforseeingatnight..2.情感态度价值观目标：了解一些近现代发明的吋间及用途，激发自己热爱发明的情感。培养想象力,善于观察事物。面对难题，用积极的态度去解决，发挥想象力，认识世界，改造世界。二、教学重难点1.教学重点：1)Usethepastpassivevoicetotalkaboutthetimeandusageofmoderninventions2
3、)学会询问发明时间及用途的基本句型：—Whenwasthetelephoneinvented?Ithinkitwasinventedin1876.一Whataretheyusedfor?一Theyareusedforseeingatnight.1.教学难点：运用一般过去时态的被动语态来讨论发明的发明时间及用途。三、教学准备：ppt,教案TeachingSteps:I.GreetingandWarmingup1.T:Therearemanyusefulthingsintheworld・Theyhelpusalotinlif
4、e.(Showsomepicturesonthescreen)Doyouknowwhattheseinventionsare?SI:It'saca匚S2:It，satelephone.S3:Ifsatelevision.T:Doyouknowwhotheseinventorsare?SI:KarlBenzS2:AlexanderBellS3:J.L.BairdLetSsmatchtheinventionsandtheinventors.(环节说明：通过课前的一个师生问答互动引入新课的话题，通过图片的展示和语言的描述创设了
5、情境，激发了学生的学习兴趣和表达欲望。)II・Presentation1.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・1.Numberthepictures.(la)HLTalking1.Lookatthepicturesinla.Discusswithyourgroup,inwhatorderdoyout
6、hinktheywereinvented?Trytonumberthem[1-4].2.Ssdiscusswiththeirpartnersandnumberthepictures.3.Talkingabouttheinventions:A:IthinktheTVwasinventedbeforethecar.B:Well,IthinktheTVwasinventedaftertheTV.IV・Listening(lb)1.T:TellSslookatthepicturesandyearsontheleft・2.Play
7、therecordingfortheSstolisten.3.Sslistentotheconversationandtrytomatchtheinventionwiththeproperyea匚4.Playtherecordingagain.5.Checktheanswers:d,a,c,bV・Pairwork(lc)1・Sstrytoremembertheinventionandtheyea匚1.StudentB,coverthedates・StudentA,askStudentBwhenthethingsinthe
8、pictureinlbwereinvented.Thenchangerolesandpracticeagain.2.Letsomepairsaskandanswerinpairs・e.g.A:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876...・VI.L
