英语人教版九年级全册unit6sectionA1a-2d

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:Itsacar.S2:Itsatelephone.S3:Itsatelevision.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。让学生们看大屏幕的如果爱和发明者的图片,并将句子改为被动语态。如：T:KarlBenzinv

4、entedthefirstcarin1885.Thefirstcarwasinvented(byKarlBenz)in1885.川.Talking1. Lookatthepicturesin1a.Discusswithyourgroup,inwhatorderdoyouthinktheywereinvented?Trytonumberthem1-4.2. Ssdiscusswiththeirpartnersandnumberthepictures.3. Talkingabouttheinventions:A:IthinktheTVwasinventedbeforethecar.B:Idonat

5、greewithyou.IthinktheTVwasinventedafterthecar.IV.Listening(1b)1. T:TellSslookatthepicturesandyearsontheleft.Finish1b.2. Listenagainandcompletetheconversation.Alice:Wasyourlifeverywhenyouwereakid?Grandma:Oh,.Why?Alice:Well,youdidnthavemoderninventionslikea,right?Grandma:Ofcoursewedid!Howolddoyouthink

6、Iam?Thetelephonein.Youneedtotakeaclass,Alice!Alice:Haha!Howabout?Theyyet,werethey?Grandma:Yes,theywere.Carsin.Myfamilyhadacar.Alice:Well,didyou?Grandma:No,wecouldntone.Theywereinthosedays.TheTVaround,Ithink.Alice:Well,Iknowthatyoudidnthavea,becausewelearnedinschoolthatpersonalcomputersin.Grandma:You

7、reright.ButIhaveonenow!V.Pairwork(1c)1. Sstrytoremembertheinventionandtheyear.2. StudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.3. Letsomepairsaskandanswerinpairs.e.g.A:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.W.Lea

8、rningthenewwords&ListeningLookatthepicturesthenlearnthenewwords.Workon2a:T:TellSstheywillhearsomeinterestinginventions.1. Lookatthepicturesin2a.Discussthethingswhattheyareusedfor.2. PlaytherecordingfortheSstolistenandnumberthepictures.3. Playtherecordingagaintochecktheanswers.Workon2b:1. LetSsreadth

9、echartbelow.ExplainsomemainsentencesfortheSs.Makesuretheyknowwhattodo.2. PlaytherecordingfortheSstofillintheblanks.3. Playtherecordingagaintochecktheanswers.4. Listenagainandfillintheblanks.Thefirstinventionisshoeswith.Peoplealwayshittheirtoesononthewaytothebathroomatnight.Sopeoplecanusethemforinthe

10、.Thesecondinventionisaspecialice-cream.Itrunsonandbecomeshot.Itsforservingreallyi-cceream.Thelastinventionisshoeswithspecial.PeoplecanmovetheheelsandYoucantheheelsifyouaregoingtoaorthemifyouarejustgoingoutfor.VD.Pairwork(2c)1. TellSstomakeconversationsusingtheinformationin2b.MakeamodelfortheSs.A:Wha

11、taretheshoeswithspecialheelsusedfor?B:Theyareusedforchangingthestyleoftheshoes.2. LetsomeSsmakeconversationsusingtheinformationin2b.3. Seewhichgroupdoesthebest.W.Role-play(2d)1. ReadtheconversationsandLetSsreadaftertheteacher.2. Explainsomenewwordsandmainpointsintheconversation.3. AskSstorole-playth

12、econversationingroups.X. Languagepoints1. Well,youdoseemtohaveapoint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：(Perhapsyouhaveapointthere),buttheproblemisthatwedonthaveachoice.也许你说的有道理，但问题是我们没有选择。2. Theyareusedforseeinginthedar

13、k.beusedfordoingsth表示“被用来做某事。相当于beusedtodosth.e.g.这台电脑是用来控制所有机器的。你知道这工具是用于做什么的？Thiscomputerisusedtocontrolallthemachines.Doyouknowwhatthistoolisusedfor?3. Thinkabouthowoftenitsusedinourdailylives.thinkabout表示“考虑，想起”e.g.Heisthinkingabouttravellinginthesummerholidays.Shewasthinkingaboutherchildhoodday

14、s.他正在考虑暑假旅游的事。她正回想她的童年时期。【think短语】thinkof指“考虑，记忆，记起”e.g.Youthinkofeverything!你全都提到了。Icantthinkofhisnameatthemoment.一时想不起他的名字。thinksth.over指“仔细想，审慎思考，作进一步考虑”e.g.PleasethinkoverwhatIsaid.请仔细考虑我说的话。Iwanttothinkitover.我想仔细考虑一下这件事。thinksth.out指“想通，想出，熟思”e.g.Hethoughtoutanewidea.他想出了一个新主意。Thatwantsthinkin

15、gout.那件事需要仔细考虑。幻.Exercise.I.根据句意及提示，写出句中所缺单词。1. Theclothesinthatstoreareindifferent（样式）.2. Itsnotrighttowastewaterand电_）.（3. Pleasetrythis（网站）.Ithinkitsfantasticforbeginners.4. Theyfoundgreat（愉快）inplayingbasketball.5. Theoldmanisthe（先驱）inthefield（领域）ofspace.6. Helensnamewas列_出（）ontheblackboard.7. Mr.Blacktoldmenotto（提到）thatatthemeeting.8. Dr.Wilson,couldyoupleasegiveabriefintroductiontoyour（工程）?n.完成英语句子，每空一词。1.很抱歉我不能想起这部电影的名字。ImsorryIcantthenameofthefilm.2. 你说的有道理，电脑在我们的日常生活中起着重要的作用。Youhaveapoint.Computersplayanimportantpartinour.3. 去年他去了很多国家，比如澳大利亚。Hewenttomanycountrieslastyear,Austral