Unit6.Whenwasitinvented?SectionA1a-1c一．Teachingaims:aims:Reviewthewords:computer,car,telephone,TVandsoon.Masterthesentences:(1).Whenwasitinvented?(2).Itwasinventedbefore/afterthecar.(3).Ithinkitwasinventedin1876.aims:Talkaboutthetimeandorderofinventionsaims:Inspirepeople’spassiontoinventandchangetheworld.Cultivatethespiritofinnovation.二．Keypointsanddifficultpointspoints:Reviewthewords,masterthesentencesandlearnthepassivevoiceofpasttense.points:Usethepassivevoicetodescribethetimeandinventorsofinventions.Usethepassivevoiceofpasttensetoexpressstudents’ownopinions.三．TeachingprocedureStep1:WarmingupandleadinReadtheteachingaims.Greetingsanddividethestudentsintofourgroups.(1).Leadinbyalightandaniphone;(2).Thewords“invent,invention,inventor”.Step2:PresentationDiscusswiththeirpartners.Doyouknowwhichyearitwasinvented?Wedon’tknow,butwecanguess,yesorno?justlikethis!(1)A:Ithinkthecomputerwasinventedbeforethecar.(2)B：Well,Ithinkthecomputerwasinventedafterthecar.(3).Accordingtothetimeofinventions,number1-4.Invitestudentstotellustheiranswers.Ishe/sherightorwrong?Doyouknowknow?Ok,wedon’tknow,butnow,wecandoalisteningandchecktheanswers.Areyouready?Now,letusdoalistening.Step3:Listen(1).Pre-listening:Beforelistening,letuslearnsomewordsandphrasesintherecording.Pleasereadafterme!moderninventions,couldn’tafford,personalcomputer.(2).While-listening:Andnow,letuslistenandmatchtheinventionswithyears.(Invitestudentstoanswerthequestionsandgivethegroupwhoseanswerisrightapoint)telephone1971car1876computer1927television1885Listenagainandchoosethebestanswers.Readthequestionstogetherandtellstudentstopayattentiontothekeywords!(Invitestudentstoanswerthequestionsandgivethegroupwhoseanswerisrightapoint).Wasgrandma’slifeverydifficultwhentheywereakid?Yes,shedid.B.No,shedidn’t.C.wedon’tknow..WhatclassdidAliceneed?physicsB.mathC.historyDidgrandmahaveacarinthosedays?Yes,shedid.B.No,shedidn’t.C.Wedon’tknow.(4).Whydidn’tgrandmahaveaTVinthosedays?A.It’sexpensive.B.It’snotbeautiful.C.It’stoobig.(3).Post-listeningReadthelisteningmaterialsandpayattentiontothekeypoints.Step4:PracticeRole-playtheconversationandmaketheirownconversations.InvitestudentstoguessthefournewinventionsinChina.(Iwillgivethestudentwhoseanswerisrightagift)Ourcountry-Chinaisbecomestrongerandstronger,yeah?Soweneedtoinventmoreinventions,doyouagree?Yeah,soDoyouwanttobeaninventor?LikeAlexanderBel,heinventedthetelephone.Yeah?Andhowcanyoubecomeaninventor?Studentswillsaysomeideasofthem.Inmyopinion,weneedtostudyhard,thinkmoreandusetheknowledgeintopractice.Step5:ConsolidationDosomeexercisesonPPt.Step6:SummaryKeywords:invent,invention,inventor.Keysentencepattern:beinventedin/by.Emotionaims:thespiritofinvention.Step7:HomeworkRecitetheconversationin1aand1c.Makesentencesusing“beinventedin/by”三．Teachingaids:PPt,multimedia,littlegiftsandsoon.四．BlackboardDesignWhenwasitinvented?InventionInventinventorA:Ith