九年级unit6 SectionA 1a--2c.ppt

《九年级unit6 SectionA 1a--2c.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?SectionA11a~2dDoyouknowwhattheseinventionsare?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

2、.Thefirstcarwasinvented(byKarlBenz)in1885.Thefirsttelevisionwasinvented(byJ.L.Baird)in1927.J.L.Bairdinventedthefirsttelevisionin1927.Lookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem[1-4].1a2314Ithinkthetelevisionwasinventedbeforethecar.Idon’tagreewit

3、hyou.Ithinkthetelevisionwasinventedafterthecar.Ithinkthetelephonewasinventedbeforethecomputer.Well,Iagreewithyou.ListeningListenandmatchtheinventionswiththeyears.1b___1876___1885___1927___1971dacbStudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandp

4、racticeagain.Practicing1cWhenwasthetelephoneinvented?Ithinkitwasinventedin1876.Whenwasthecarinvented?Itwasinventedin1885.WhenwastheTVinvented?Itwasinventedin1927.Whenwasthecomputerinvented?Itwasinventedin1971.ListeningListenandnumbertheinventions[1-3]intheorderyouhearthem.2a___shoeswithspecialheels_

5、__shoeswithlights___hotice-creamscoop,runsonelectricity132n.鞋跟;足跟n.勺;铲子n.电;电能Listenagainandcompletethechart.2bchangingservinginthedarkn.样式;款式Thefirstinventionisshoeswith________.Peoplealwayshittheirtoeson__________onthewaytothebathroomatnight.Sopeoplecanusethemfor________inthe______.Listenagainandfi

6、llintheblanks.somethingseeingdarklightsThesecondinventionisaspecialice-cream______.Itrunson_________andbecomeshot.It’s_____forservingreally_____ice-cream.scoopelectricityusedcoldThelastinventionisshoeswithspecial_____.Peoplecanmovetheheels_____and______.Youcan_____theheelsifyouaregoingtoa______or___

7、___themifyouarejustgoingoutfor_________.heelsdownupraisepartylowershoppingMakeconversationsusingtheinformationin2b.Whataretheshoeswithlightsusedfor?2cThey’reusedforseeinginthedark.Whatarehotice-creams