人教版九年级unit8 sectionA 1a-2d 课件.ppt

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1、失敗並不意味你浪費了時間和生命。失敗表明你有理由重新開始。Unit6SectionA1a-2dUnit6Whenwasitinvented?QingtangMiddleSchoolbyMr.Zhou.Whatmoderninventionsdoyouknow?calculatorbulbamicrowaveovenwashingmachineDoyouknowwhattheseinventionsare?KarlBenzDoyouknowwhotheseinventorsare?AlexanderBellJ.L.BairdCany

2、oumatchtheinventionswiththerightinventors?KarlBenzinventedthefirstcarin1885.Thefirstcarwasinvented(byKarlBenz)in1885.Thefirsttelephonewasinvented(byBell)in1876.Bellinventedthefirsttelephonein1876.Thefirsttelevisionwasinvented(byJ.L.Baird)in1927.J.L.Bairdinventedthefir

3、sttelevisionin1927.Lookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem[1-4].1a2314IthinktheTVwasinventedbeforethecar.Well,IthinktheTVwasinventedafterthecar.Ithinkthetelephonewasinventedbeforethecomputer.Well,Iagreewithyou

4、.Listenandmatchtheinventionswiththeyears.1b___1876___1885___1927___1971dacbStudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.1cWhenwasthetelephoneinvented?Ithinkitwasinventedin1876.Whenwasthecarinvente

5、d?Itwasinventedin1885.WhenwastheTVinvented?Itwasinventedin1927.Whenwasthecomputerinvented?Itwasinventedin1971.heeln.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Listenandnumbertheinventions[1-3]intheorderyouhearthem.2

6、a___shoeswithspecialheels___shoeswithlights___hotice-creamscoop,runsonelectricity132InventionWhatisit/aretheyusedfor?shoeswithspecialheels________thestyleoftheshoesshoeswithlightsseeing___________hotice-creamscoop________reallycoldice-creamListenagainandcompletethecha

7、rt.2bchangingservinginthedarkMakeconversationsusingtheinformationin2b.Whataretheshoeswithlightsusedfor?2cThey’reusedforseeinginthedark.Whatarehotice-creamscoopusedfor?They’reusedforservingforreallycoldice-cream.Whatareshoeswithspecialheelsusedfor?They’reusedforchangin

8、gthestyleoftheshoes.Readthepassagequicklyandanswerthequestions.Whatisthesubjectfortheirschoolproject?2.Whatkindofinventiondo