英语人教版九年级全册The first period SectionA (1.ppt

《英语人教版九年级全册The first period SectionA (1.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Unit6Whenwasitinvented?蓝坊中学彭玮SectionA11a~2dDoyouknowwhattheseinventionsare?Canyoutellwhentheywereinvented?KarlBenzDoyouknowwhotheseinventorsare?AlexanderBellJ.L.BairdCanyoumatchtheinventionswiththerightinventors?KarlBenzinventedthefirstcarin1885.Thefirstcarwasinvented(byKar

2、lBenz)in1885.Thefirsttelephonewasinvented(byBell)in1876.Bellinventedthefirsttelephonein1876.Thefirsttelevisionwasinvented(byJ.L.Baird)in1927.J.L.Bairdinventedthefirsttelevisionin1927.1aGROUPWORKLookatthethingsbelow.Numberthem[1—5]accordingtotheordertheywereinvented.35241A:I

3、think…wasinventedbefore…B:Well,Ithink…wasinventedafter….gameIthinktheTVwasinventedbeforethecar.Well,IthinktheTVwasinventedafterthecar.Ithinkthetelephonewasinventedbeforethecomputer.Well,Iagreewithyou.a1bListenandmatchtheinventionswiththedates.___1876___1885___1927___1971___

4、1976bacdebecd1cPAIRWORKStudentA,coverthedatesandaskstudentBwhenwerethethingsinthepictureabovewereinvented.ModelA:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.A:Whenwasthecarinvented?B:Ithinkitwasinventedin1930.Ithinkitwasinventedafterthetelephone.Whenwasthecarinv

5、ented?Itwasinventedin1885.WhenwastheTVinvented?Itwasinventedin1927.Whenwasthecomputerinvented?Itwasinventedin1971.ListeningListenandnumbertheinventions[1-3]intheorderyouhearthem.2a___shoeswithspecialheels___shoeswithlights___hotice-creamscoop,runsonelectricity123InventionWh

6、atisit/aretheyusedfor?shoeswithspecialheels________thestyleoftheshoesshoeswithlightsseeing___________hotice-creamscoop________reallycoldice-creamListenagainandcompletethechart.2bchangingservinginthedarkThefirstinventionisshoeswith________.Peoplealwayshittheirtoeson_________

7、_onthewaytothebathroomatnight.Sopeoplecanusethemfor________inthe______.Listenagainandfillintheblanks.somethingseeingdarklightsThesecondinventionisaspecialice-cream______.Itrunson_________andbecomeshot.It’s_____forservingreally_____ice-cream.scoopelectricityusedcoldThelastin

8、ventionisshoeswithspecial_____.Peoplecanmovetheheels_____and______.Youcan_____theh