九年级unit6sectionA 1a-2d.ppt

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1、Unit6Whenwasitinvented?SectionA11a~2dDoyouknowwhattheseinventionsare?KarlBenzDoyouknowwhotheseinventorsare?AlexanderBellJ.L.BairdCanyoumatchtheinventionswiththerightinventors?KarlBenzinventedthefirstcarin1885.Thefirstcarwasinvented(byKarlBenz)in1885.Thefirsttelephonew

2、asinvented(byBell)in1876.Bellinventedthefirsttelephonein1876.Thefirsttelevisionwasinvented(byJ.L.Baird)in1927.J.L.Bairdinventedthefirsttelevisionin1927.Lookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem[1-4].1a2314Ithink

3、theTVwasinventedbeforethecar.Well,IthinktheTVwasinventedafterthecar.Ithinkthetelephonewasinventedbeforethecomputer.Well,Iagreewithyou.ListeningListenandmatchtheinventionswiththeyears.1b___1876___1885___1927___1971dacbStudentB,coverthedates.StudentA,askStudentBwhenthet

4、hingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.Practicing1cWhenwasthetelephoneinvented?Ithinkitwasinventedin1876.Whenwasthecarinvented?Itwasinventedin1885.WhenwastheTVinvented?Itwasinventedin1927.Whenwasthecomputerinvented?Itwasinventedin1971.heeln.

5、鞋跟;足跟Presentationscoopn.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ListeningListenandnumbertheinventions[1-3]intheorderyouhearthem.2a___shoeswithspecialheels___shoeswithlights___hotice-creamscoop,runsonelectricity123Listenagainandcompletet

6、hechart.2bchangingservinginthedarkThefirstinventionisshoeswith________.Peoplealwayshittheirtoeson__________onthewaytothebathroomatnight.Sopeoplecanusethemfor________inthe______.Listenagainandfillintheblanks.somethingseeingdarklightsThesecondinventionisaspecialice-crea

7、m______.Itrunson_________andbecomeshot.It’s_____forservingreally_____ice-cream.scoopelectricityusedcoldThelastinventionisshoeswithspecial_____.Peoplecanmovetheheels_____and______.Youcan_____theheelsifyouaregoingtoa______or______themifyouarejustgoingoutfor_________.hee

8、lsdownupraisepartylowershoppingMakeconversationsusingtheinformationin2b.Whataretheshoeswithlightsusedfor?2cThey’reusedforsee