英语人教版九年级全册Leading-in .ppt

Unit6,Unit6Whenwasitinvented?,SectionA11a2d,Doyouknowwhattheseinventionsare?,KarlBenz卡尔奔驰,Doyouknowwhotheseinventorsare?,AlexanderBell亚历山大贝尔,J.L.Baird贝尔德,Canyoumatchtheinventionswiththerightinventors?,Thefirsttelephonewasinvented(byBell)in1876.,Bellinventedthefirsttelephonein1876.,KarlBenzinventedthefirstcarin1885.,Thefirstcarwasinvented(byKarlBenz)in1885.,Thefirsttelevisionwasinvented(byJ.L.Baird)in1927.,J.L.Bairdinventedthefirsttelevisionin1927.,Lookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem1-4.,1a,2,3,1,4,Ithinkthetelevisionwasinventedbeforethecar.,Idontagreewithyou.Ithinkthetelevisionwasinventedafterthecar.,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.,Listening,Listenandnumbertheinventions1-3intheorderyouhearthem.,2a,_shoeswithspecialheels_shoeswithlights_hotice-creamscoop,runsonelectricity,1,3,2,n.鞋跟;足跟,n.勺;铲子,n.电;电能,Listenagainandcompletethechart.,2b,changing,serving,inthedark,n.样式;款式,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,youdoseemtohaveapoint嗯，看来你说的确实有道理这句话中的助动词do放在动词seem前面主要用来加强语气，通常可译作“的确，确实”。在谓语动词前添加助动词do表示强调的用法常见于肯定句和祈使句中。,在英语中，haveapoint通常指某人的说法或想法“有道理”。如:Perhapsyouhaveapointthere,buttheproblemisthatwedonthaveachoice.也许你说的有道理，但问题是我们没有选择。,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.Pleaseth