Unit 6 When was it invented- SectionA（1a-2d）教案 人教版英語九年級全冊

Unit6SectionA（1a-2d）教學(xué)目標1.熟練掌握以下詞匯及句型:invent，heat，calculator，scoop...，Whenwasthetelephoneinvented?Ithinkitwasinventedin1876.Whataretheyusedfor?2.掌握一般過去時態(tài)的被動語態(tài)由was/were+過去分詞構(gòu)成。3.通過學(xué)習(xí)我們周圍經(jīng)常使用的發(fā)明物的歷史來開闊眼界，豐富自己的閱歷，使自己養(yǎng)成勤于思考、善于總結(jié)的好習(xí)慣教學(xué)難點1記住P41--42單詞、短語2一般過去時態(tài)的被動語態(tài)：助動詞be（was/were）+過去分詞3能聽懂并運用一般過去時的被動語態(tài)介紹以往的發(fā)明物品教學(xué)過程一、Let’slook,thinkandsay.Couldyoulistsomeinventionsinourdailylives?invention:athingoranideathathasn’tbeencreatedbefore1aInwhatorderdoyouthinktheywereinvented?Numberthem[1-4](1=first,4=last).1bListenandmatchtheinventionswiththedates.18761885192718711976Task1:1cGroupworkA:Whenwasthe_______invented?B:Itwasinventedin______.Thepassivevoice.被動語態(tài)主動語態(tài)變被動語態(tài)的結(jié)構(gòu)圖:Whowas______inventedby?Itwasinventedby_________.Task2:PairworkA:Whenwasthecarinvented?B:Itwasinventedin1885.A:Whowasthecarinventedby?B:ItwasinventedbyKarlBenz.2aListenandnumbertheinventions[1-3]intheorderyouhearthem.______shoeswithspecialheels______shoeswithlights______hotice-creamscoop,runsonelectricity2bListenagainandcompletethechartbelow.2cMakeconversationsusingtheinformationin2b.Whataretheyusedfor?They’reusedforExample:A:Whatareshoeswithspecialheelsusedfor?B:They’re