九年级英语全册Unit6WhenwasitinventedSectionA2a-2d课件（完整版）

Unit6Whenwasitinvented?SectionA1a-2dDoyouknowwhattheseinventionsare?RevisionKarlBenzDoyouknowwhotheseinventorsare?AlexanderBellJ.L.BairdCanyoumatchtheinventionswiththerightinventors?KarlBenzinventedthefirstcarin1885.Thefirstcarwasinvented(byKarlBenz)in1885.Thefirsttelephonewasinvented(byBell)in1876.Bellinventedthefirsttelephonein1876.Thefirsttelevisionwasinvented(byJ.L.Baird)in1927.J.L.Bairdinventedthefirsttelevisionin1927.Whatis/are…usedfor?It’s/They’re…usedfor…highheelsadjustableheelsadjustableadj.

可调整的icecreamscoopheat加热scoopslippersabatterybatteriesoperatev.

操作Listenandnumbertheinventionsintheorderyouhearthem.123ListeningListenandnumbertheinventions[1-3]intheorderyouhearthem.2a___shoeswithspecialheels___shoeswithlights___hotice-creamscoop,runsonelectricity123312ListeningInventionWhatisit/aretheyusedfor?shoeswithspecialheels________thestyleoftheshoesshoeswithlightsseeing___________hotice-creamscoop________reallycoldice-cream2bchangingservinginthedarkThefirstinventionisshoeswith________.Peoplealwayshittheirtoeson__________onthewaytothebathroomatnight.Sopeoplecanusethemfor________inthe______.Listenagainandfillintheblanks.somethingseeingdarklightsscoopelectricityusedcoldThelastinventionisshoeswithspecial_____.Peoplecanmovetheheels_____and______.Youcan_____theheelsifyouaregoingtoa______or______themifyouarejustgoingoutfor_________.heelsdownupraisepartylowershoppingMakeconversationsusingtheinformationin2b.Whataretheshoeswithlightsusedfor?2cThey’reusedforseeinginthedark.

Whatarehotice-creamscoopusedfor?They’reusedforservingforreallycoldice-cream.Whatareshoeswithspecialheelsusedfor?They’reusedforchangingthestyleoftheshoes.HeyRoy,thesubjectformyschoolprojectis“Smallinventionsthatchangedtheworld.”Canyouhelpmethinkofaninvention?Role-playtheconversation.2dMypleasure!Letmethink…hmm…Iknow!Thezipper!Role-playn.项目;工程n.高兴;愉快n.拉链Thezipper?Isitreallysuchagreatinvention?Thinkabouthowoftenit’susedinourdailylives.Youcanseezippersondresses,trousers,shoes,bags…almosteverywhere!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v.提到;说到Around1917.1.Well,youdoseemtohaveapoint…haveapoint有道理e.g.Iadmit(that)youhaveapoint.

我承认你有理。3.Thinkabouthowoftenit’susedinourdailylives.

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。

Ican’tthinkofhisnameatthemoment.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。

Iwanttothinkitover.我想仔细考虑一下这件事。thinksth.o