英语人教版九年级全册Unit6Whenwasitinvented教学

1、Unit6Whenwasitinvented?SectionA1(1a-2d)一、教学目标：1. 语言知识目标：1)能掌握以下单词：heel,scoop,electricity,style,project,pleasure,zipper,daily,website,pioneer,list,mention能掌握以下句型：Whenwasthetelephoneinvented?Ithinkitwasinventedin1876.Whataretheyusedfor?Theyareusedforseeingatnight.2)能谈论物品被发明的时间、发明者，表达某发明的用途。2. 情感态度价值观目

2、标：了解一些近现代发明的时间及用途，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)本课时的单词、词组和句型，学习运用一般过去时态的被动语态。2)学会询问发明时间及用途的基本句型：Whenwasthetelephoneinvented?Ithinkitwasinventedin1876.Whataretheyusedfor?Theyareusedforseeingatnight.2.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、教学过程I. Warmingup1. 展示一些近代

3、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.BairdLetSsmatchtheinventionsandtheinventors.n.Presentation引导学生们学习一般过去时态的被动语态结构。让学生们看大屏幕发明者的图片,并将句子改为被动语态。如：T:K

4、arlBenzinventedthefirstcarin1885.Thefirstcarwasinvented(byKarlBenz)in1885.川.Talking1. Lookatthepicturesin1a.Discusswithyourgroup,inwhatorderdoyouthinktheywereinvented?Trytonumberthem1-4.2. Ssdiscusswiththeirpartnersandnumberthepictures.3. Talkingabouttheinventions:A:IthinktheTVwasinventedbeforetheca

5、r.B:Idon'atgreewithyou.IthinktheTVwasinventedaftertheTV.IV .Listening(1b)1. T:TellSslookatthepicturesandyearsontheleft.2. PlaytherecordingfortheSstolisten.3. Sslistentotheconversationandtrytomatchtheinventionwiththeproperyear.4. Playtherecordingagain.5. Checktheanswers.V .Pairwork(1c)1. Sstrytor

6、emembertheinventionandtheyear.2. StudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.3. Letsomepairsaskandanswerinpairs.e.g.A:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.W.Learningthenewwords&ListeningLookatthepicturest

7、henlearnthenewwords.Workon2a:T:TellSstheywillhearsomeinterestinginventions.1. Lookatthepicturesin2a.Discussthethingswhattheyareusedfor.2. PlaytherecordingfortheSstolistenandnumberthepictures.3. Playtherecordingagaintochecktheanswers.Workon2b:1. LetSsreadthechartbelow.ExplainsomemainsentencesfortheSs

8、.Makesuretheyknowwhattodo.2. PlaytherecordingfortheSstofillintheblanks.3. Playtherecordingagaintochecktheanswers.4. Listenagainandfillintheblanks.VD.Pairwork(2c)1. TellSstomakeconversationsusingtheinformationin2b.MakeamodelfortheSs.A:Whataretheshoeswithspecialheelsusedfor?B:Theyareusedforchangingthe

9、styleoftheshoes.2. LetsomeSsmakeconversationsusingtheinformationin2b.3. Seewhichgroupdoesthebest.Vffl.Role-play(2d)1.ReadtheconversationsandLetSsreadaftertheteacher.2. Explainsomenewwordsandmainpointsintheconversation.3. AskSstorole-playtheconversationingroups.X. Languagepoints1.Well,youdoseemtohave

10、apoint嗯，看来你说的确实有道理这句话中的助动词do放在动词seem前面主要用来加强语气，通常可译作的确，确实”在谓语动词前添加助动词do表示强调的用法常见于肯定句和祈使句中。在英语中，haveapoint通常指某人的说法或想法有道理”如：thaveachoice.Perhapsyouhaveapointthere,buttheproblemisthatwedon也许你说的有道理，但问题是我们没有选择。2. Theyareusedforseeinginthedark.beusedfordoingsth表示“被用来做某事”。相当于beusedtodosth.e.g.Thiscomputerisusedtocontrolallthemachines.这台电脑是用来控制所有机器的。Doyouknowwhatthistoolisusedfor?你知道这工具是用于做什么的？3. Thinkabouthowoftenit'susedinourdailylive