九年级英语全册Unit6WhenwasitinventedSectionA第1课时人教新目标版.ppt

SectionA(1a-2d),Unit6Whenwasitinvented?,学习目标,Keywords:heel,scoop,electricity,style,project,pleasure,zipper,daily,website,pioneer,list,mention,Keysentences:1.Whenwasthetelephoneinvented?Ithinkitwasinventedin1876.2.Whataretheyusedfor?TheyareusedforPassivevoice(pasttense),WhataretheFourGreatInventionsinancientChina?,Doyouknow?,Leadin,Chinesefourgreatancientinventions,compass,gunpowder,printing,Papermaking,Moderninventions,calculator,Talkabouttheinventions(发明).Whichonedoyouthinkisthemosthelpfulinourdailylife?,computer,car,calculator,laptop,telephone,cellphone,radio,A:IthinktheTVwasinventedbeforethecar.B:Well,IthinktheTVwasinventedafterthecar.,Talkaboutwithyourpartner.,A:Ithinkthecalculatorwasinventedbeforethecomputer.B:Well,Ithinkthecalculatorwasinventedafterthecomputer.,Talkaboutwithyourpartner.,PresentationLookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem1-4(1=first,4=last),1,2,3,4,1a,Presentation,Listenandmatchtheinventionswiththeyears.,a,b,c,d,Whenwasthe.invented?,1876188519271971,a,c,b,d,1b,StudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.,Practicing,1c,Whenwasthetelephoneinvented?,Ithinkitwasinventedin1876.,Whenwasthecarinvented?,Itwasinventedin1885.,WhenwastheTVinvented?,Itwasinventedin1927.,Whenwasthecomputerinvented?,Itwasinventedin1971.,Listenandnumbertheinventions1-3intheorderyouhearthem.,3,1,2,_shoeswithspecialheels,_shoeswithlights,_hotice-creamscooprunsonelectricity,2a,Listenagainandcompletethechart.,2b,changing,serving,inthedark,Makeconversationsusingtheinformationin2b.,Whataretheshoeswithlightsusedfor?,2c,Theyreusedforseeinginthedark.,Whatarehotice-creamscoopusedfor?,Theyreusedforservingforreallycoldice-cream.,Whatareshoeswithspecialheelsusedfor?,Theyreusedforchangingthestyleoftheshoes.,Role-playtheconversation.,Readthepassagequicklyandanswerthequestions.,Whatisthesubjectfortheirschoolproject?2.WhatkindofinventiondoesRoythinkof?3.WhydoesRoythinkitisagreatinvention?4.Whoandwhenwasthezipperinvented?5.Whendidthezipperbecomepopular?,Smallinventionsthatchangedtheworld.,Thezipper.,Becauseitisoftenusedinourdailylives.,WhitcombJudsonin1893.,Around1917.,2d,1.Well,youdoseemtohaveapointhaveapoint有道理e.g.Iadmit(that)youhaveapoint.我承认你有理。,2.Theyareusedforseeinginthedark.beusedfordoingsth.表示“被用来做某事”。与beusedtodosth.同义。表示用途、目的。e.g.Thiscomputerisusedtocontrolallthemachines.这台电脑是用来控制所有机器的。Doyouknowwhatthistoolisusedfor?你知道这个工具是用来做什么的?,3.Thinkabouthowoftenitsusedinourdailylives.thinkabout表示“考虑，想起”。e.g.Heisthinkingabouttravellinginthesummerholidays.他正在考虑暑假旅游的事。Shewasthinkingaboutherchildhooddays.她正回想她的童年时期。,【拓展有关think的短语】thinkof指“考虑,记忆,记起”e.g.Youthinkofeverything!你全都提到了。Icantthinkofhisnameatthemoment.我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。Thatwantsthinkingout.那件事需要仔细考虑。,用所给单词的正确形式填空：,Whenthetelephone(invent)?Thecomputercanusdomathproblems(help).,invented,was,help,Exercise,Exercise,3.Inthoseday,thewomancouldnt_(afford)aTVbecausetheywerereallyexpensive.4.Afriendof(I)cametoseemelastweek.5.Ithinkyouneed(take)ahistoryclass.,afford,mine,totake,单项选择,()1.Thekindofcupisused_drinking.A.toB.asC.byD.for()2.Mymotherandmysisterkeptontalking,butmyfather_silentallthetime.A.gotB.keptC.turnedD.looked,D,B,()3.Ithinktheshortstory_byLuXun.A.iswritingB.iswrittenC.writtenD.waswritten()4.Who_theelectriclightlamp_?Edison.A.was;inventedB.is;inventedC.was;inventedbyD.did;inventedby,D,C,Summary,Talkedabouttheinventedtime,inventorsandtheusage