贵州省凯里六中九年级英语《Unit9Whenwasitinvented》教案一、knowledgepointsandteachingdemandsKnowledgepointsTeachingdemands1、能运用所掌握的句型、语法、词汇进行交流。2.掌握一般过去时被动语态的运用Learntousethenewwordsandphrases:Invent,heat,sour,ancient,remain,produce,pleasant,pie,throw,taste;Beinvented,byaccidentaccordingto,fallinto,inthisway,knockinto1、学会使用以下句型：1.Whenwasitinvented?2、Itwasinventedin1885.3.Whoweretheyinventedby?4.Theywereinventedby…5.Whataretheyusedfor?Theyareusedforseeinginthepark.Learnthedrills:1.Whenwasitinvented?2.Itwasinventedin1885.3.Whoweretheyinventedby?4.Theywereinventedby…5.Whataretheyusedfor?Theyareusedforseeinginthepark.二、TeachingdifficultiesandsolutionsTeachingdifficultiessolutions1、要求学生能掌握一般过去时的被动语态。2、学会谈论发明的历史3、归纳学习一些动词短语并掌握它们的用法。1.Gettheinformationfromthedialogue.2.Learnthephrasesbymakingupsomesentences.3.Pairworkandactoutthedialogueinclass.三、TeachingprocedureStep1WarmingupAskthestudentstobefamiliarwiththewordsbelowaccordingtothepicturesoncomputer:Telephone,calculator,car,personalcomputer.TV,electriclight,lightbulb,alarm,clock,microwaveoven,electricslipperStep2Persentation1.Teacher:Whenwasthecarinvented?Itwasinventedin….Choosethethreeinventionsoftheseandaskstudentstoguesswheneachonewasinvented.Forexample,youmightchoosecar,telephone,andpersonalcomputer2.Getseveraldifferentstudentstoguessandwritethedatesontheboard.Asktheclasstorepeatthequestionsandanswers.T:Whenwasthecarinvented?(Classrepeat)T:Good!Now,TanFei,whatwasyourguess?S1:In1900T:OK.Tanfei,repeatafterme.Thecarwasinventedin19003.Repeattheprocesswithseveraldifferentinventions4.Makethestudentsfindouttherealdates.5.T:Whowerethelightbulbsinventedby?Andwhataretheyusedfor?S2:TheywereinventedbyEdison.T:Good!That’sright!Now,class,repeatfollowmeClass,whatarelightbulbsusedfor?S3:Ithinktheyareusedforseeinginthedark.6.Givefiveminutestogetdifferentanswers.Step3Practice1a,1b,1c1a.Playthetape.Thestudentsfillintheblanks.Thenreadthesentencestogether.Askindividualstudentstocomprehendthesentencesandpointouteveryphrasetheysee.1b.Makesurethestudentsunderstandtheinstructionsandthenlistentothetape.Trytodescribethepicturestheyhavecheckedwithonesentence.1c.Listenagain.Fillintheblanks.Pointouteveryphraseinthesentence.Step4PairworkRoleplaytheconversationin1baccordingtoonein1c.Step5GrammarFocusRecallthephraseswestudyinthislesson.EncouragethestudentstoexplaintheminEnglish.ThencomprehendandreadthesentencesinGrammarFocus.Step6Homework:1.Memorizeallthephrasesinthislesson2.根据时间和人物写出发明物(1)1885_______(2)1876_____(3)1927____(4)1976_____(5)JulieThompson_______(6)ChelseaLanmon_____3.回答问题1）Whenwasthecarinvented?_______________2)Whatarethecarsusedfor?____________3)Whatisthetelephoneusedfor?_____________4)Whatisheatedicecreamscoopusedfor?___________5)Whowaspapermakinginventedby?___________Step7Blackboarddesign:Unit9WhenwasitinventedThefirstperiodWords:invent,calculator,beusedfor,scoop,adjustableheel.Batteryoperate,heatSentencepatterns:1.Whenwasitinvented?2.TheywereinventedbyThompson.3.Whataretheyusedfor?4.They’reusedforseeinginthedark.Step6教学反思:1.通过展示丰富多彩的图画,激发学生的学习兴趣.2.通过听力训练提高学生的听的能力.3.通过让学生猜出自己感兴趣的发明物的发明时间和发明者来激发学生的学习兴趣，通过完成一个任务，让学生运用所学语言内容,既巩固了本课所学的语言目标,又开拓了学生的思维,真正达到培养学生的语言综合运用能力。
