九年级英语鲁教版上册Unit1-SectionA1a-2d.ppt

Unit1Whenwasitinvented?,SectionA1a2d,Doyouknowwhattheseinventionsare?,KarlBenz,Doyouknowwhotheseinventorsare?,AlexanderBell,J.L.Baird,Canyoumatchtheinventionswiththerightinventors?,KarlBenzinventedthefirstcarin1885.,Thefirstcarwasinvented(byKarlBenz)in1885.,Thefirsttelephonewasinvented(byBell)in1876.,Bellinventedthefirsttelephonein1876.,Zxxk,Thefirsttelevisionwasinvented(byJ.L.Baird)in1927.,J.L.Bairdinventedthefirsttelevisionin1927.,Lookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem1-4.,1a,2,3,1,4,IthinktheTVwasinventedbeforethecar.,Well,IthinktheTVwasinventedafterthecar.,Ithinkthetelephonewasinventedbeforethecomputer.,Well,Iagreewithyou.,Listening,Listenandmatchtheinventionswiththeyears.,1b,_1876_1885_1927_1971,d,a,c,b,StudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.,Practicing,1c,Whenwasthetelephoneinvented?,Ithinkitwasinventedin1876.,Whenwasthecarinvented?,Itwasinventedin1885.,WhenwastheTVinvented?,Itwasinventedin1927.,Whenwasthecomputerinvented?,Itwasinventedin1971.,heeln.鞋跟;足跟,Presentation,scoopn.勺;铲子,electricityn.电;电能,e.g.Ilikethestyleoftheskirt.我喜欢这条裙子的款式。,stylen.样式;款式,Listening,Listenandnumbertheinventions1-3intheorderyouhearthem.,2a,_shoeswithspecialheels_shoeswithlights_hotice-creamscoop,runsonelectricity,1,3,2,Listenagainandcompletethechart.,2b,changing,serving,inthedark,Thefirstinventionisshoeswith_.Peoplealwayshittheirtoeson_onthewaytothebathroomatnight.Sopeoplecanusethemfor_inthe_.,Listenagainandfillintheblanks.,something,seeing,dark,lights,Thesecondinventionisaspecialice-cream_.Itrunson_andbecomeshot.Its_forservingreally_ice-cream.,scoop,electricity,used,cold,Thelastinventionisshoeswithspecial_.Peoplecanmovetheheels_and_.Youcan_theheelsifyouaregoingtoa_or_themifyouarejustgoingoutfor_.,heels,down,up,raise,party,lower,shopping,Makeconversationsusingtheinformationin2b.,Whataretheshoeswithlightsusedfor?,2c,Theyreusedforseeinginthedark.,Whatarehotice-creamscoopusedfor?,Theyreusedforservingforreallycoldice-cream.,Whatareshoeswithspecialheelsusedfor?,Theyreusedforchangingthestyleoftheshoes.,HeyRoy,thesubjectformyschoolprojectis“Smallinventionsthatchangedtheworld.”Canyouhelpmethinkofaninvention?,Role-playtheconversation.,2d,Mypleasure!LetmethinkhmmIknow!Thezipper!,Role-play,n.项目;工程,n.高兴;愉快,n.拉链,Thezipper?Isitreallysuchagreatinvention?,Thinkabouthowoftenitsusedinourdailylives.Youcanseezippersondresses,trousers,shoes,bagsalmosteverywhere!,adj.每日的；日常的,Well,youdoseemtohaveapoint,Ofcourse!IthoughtaboutitbecauseIsawawebsitelastweek.Thepioneersofdifferentinventionswerelistedthere.,n.网站,n.先锋;先驱,v.列表;列清单n.名单;清单,Forexample,itmentionedthatthezipperwasinventedbyWhitcombJudsonin1893.Butatthattime,itwasntusedwidely.,v.提到;说到,Really?Sowhendiditbecomepopular?,Around1917.,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