九年級英語全冊Unit6WhenwasitinventedSectionA1a_2d課件新版人教新目標(biāo)版.ppt

Unit6Whenwasitinvented?TheFirstPeriodSectionA(1a-2d),1a,Lookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem1-4(1=first,4=last).,A:IthinktheTVwasinventedbeforethecar.B:Well,IthinktheTVwasinventedafterthecar.,1,2,3,4,1b,Listenandmatchtheinventionswiththeyears.,_1876_1885_1927_1971,d,a,c,b,1c,StudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.,A:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.,hotice-creamscoop,runsonelectricity,shoeswithlights,1,shoeswithspecialheels,2,3,2a,Listenandnumbertheinventions1-3intheorderyouhearthem.,2b,Listenagainandpletethechartbelow.,changing,inthedark,serving,2c,Makeconversationsusingtheinformationin2b.,A:Whataretheyusedfor?B:Theyreusedfor.,Paul:HeyRoy,thesubjectformyschoolprojectis“Smallinventionsthatchangedtheworld.”Canyouhelpmethinkofaninvention?Roy:Withpleasure!Letmethink.hmm.Iknow!Thezipper!Paul:Thezipper?Isitreallysuchagreatinvention?Roy:Thinkabouthowoftenitsusedinourdailylives.Youcanseezippersondresses,trousers,shoes,bags.almosteverywhere!,2d,Role-playtheconversation.,Paul:Well,youdoseemtohaveapoint.Roy:Ofcourse!IthoughtaboutitbecauseIsawawebsitelastweek.Thepioneersofdifferentinventionswerelistedthere.Forexample,itmentionedthatthezipperwasinventedbyWhitbJudsonin1893.Butatthattime,itwasntusedwidely.Paul:Really?Sowhendiditbeepopular?Roy:Around1917.,1.invent的用法inventv.發(fā)明,inventionn.發(fā)明,inventorn.發(fā)明者。e.g.:Edisonwasagreatinventor.Heinventedalotofthings.【辨析】invent,discover,find與findoutinvent意為“發(fā)明，創(chuàng)造”，主要通過想象、研究、勞動創(chuàng)造出前所未有的東西，尤指科技上的發(fā)明創(chuàng)造。discover指發(fā)現(xiàn)或偶然發(fā)現(xiàn)原來就存在但一直未被認(rèn)識的事物。find強(qiáng)調(diào)尋找的結(jié)果，即“找到”，通常指偶然發(fā)現(xiàn)。findout指經(jīng)過觀察、調(diào)查，把某事、某物查出來，搞清楚、弄明白。,LanguagePoints,2.Isitreallysuchagreatinvention?（教材第42頁）such形容詞，意為“這樣的，如此的”，常用在句中作定語，其結(jié)構(gòu)為“such(a/an)+adj.+n.”。e.g.:Theresnosuchthingasafreelunch.Whydoyoubuysuchexpensiveclothes?3.Thinkabouthowoftenitsusedinourdailylives.（教材第42頁）daily形容詞，意為“每日的，日常的”，用作lives的定語。e.g.:Whatisyourdailywork?daily還可以作名詞，意為“日報(bào)”。PeoplesDaily人民日報(bào)ChinaDaily中國日報(bào),一、單項(xiàng)選擇。()1.Flashlightcanbeused_clearlyinthedark.A.forseeingB.toseeingC.lookingD.forlookingat()2.Whenwasthecarinvented?It_in1895.A.inventedB.isinventedC.wasinvented,A,C,Exercise,()3.Theputerwasinvented_lives.A.asourdayB.inourdayC.asoureverydayD.inourdaily()4.Computeris_agreatinventionthatits_theworldalot.A.so;changingB.such;changedC.such;changeD.so;changed,D,B,二、用所給詞的適當(dāng)形式填空。1.Theteachersoffice_(clean)byusyesterday.2.The_(invent)hasalotof_(invent).3.MP3isusedfor_(play)music.4.Canyouhelpme?Wi