九年级6单元SectionA(1)

SectionA1a-1c,Unit6Whenwasitinvented?,Step1Presentation,Task1Guesstheinventions.,Wecanfinditintheclassroom.Itusedtobehuge.ItisimprovedalotbyJobs.,Acomputer,Whatisit?,Ithasdoorsbutnowindows.Itisusedathome.Itismadeofsteelandplastic.Itisusedforkeepingfoodfresh.,Afridge,Task2Namemoreinventions.,telephone,television,car,lightbulbs,cameras,1927,-Whenwasitinvented？,-Itwasinventedin1927.,Task3Knowabouttheinventions.,-Whatsitmadeof？,-Itsmadeofmental,steelandplastic.,1976,-Whenweretheyinvented？,-Theywereinventedin1976.,-Whataretheymadeof？,-Theyaremadeofplasticandmental.,-Whowasitinventedby？,-ItwasinventedbyKarlBenz.,-Whenwasitinvented？,-Itwasinventedin1885.,Time:1885,Inventor:KarlBenz,Invention:Car,-Whenweretheyinvented?,-Theywereinventedin1876.,-Whoweretheyinventedby？,-TheywereinventedbyBell.,Time:1876,Inventor:Bell,Invention:Telephone,1876Bell,1885KarlBenz,1927,1976Cray,1939,Task3Talkaboutinventionsinpairs.,1879Edison,Step2Practice,1,3,2,Task11a.Putthemincorrectorder.,4,2,1,3,_1876_1885_1927_1976,d,a,c,b,Task21b.Listenandmatchthem.,Task3Listenandrepeat.,Task5.Haveadiscussion.,1.Whatdoyouthinkisthemosthelpfulinvention?Why?2.Whatdoyouthinkistheworstinvention?Why?,Step3Prensentation,Task1Talkaboutthemosthelpfulinventions.,Ithinkthemosthelpfulinventionsarethesmartphones.Thankstothem(由于),wecantalkwithourfriendsandparentseverywherewego.Whatsmore,itiseasyforustolookforinformation.Inaword(总之),theymakeourlifemoreconvenientandmodern.,Task2Talkabouttheworstinventions.,Ithinktheworstinventionistheshoeswithhighheels.Asweallknow,whenwomenwearthiskindofshoes,itisverytiring.Whatsmore,itiseasyforthemtofalldown.,Task2Talkaboutnewinventions.,shoeswithadjustableheels,(可调节的),B:Theyareusedforchangingthestyle.,A:Whataretheyusedfor?,runonelectricity,/lektrst/电,shoeswithlight,/seeinginthedark.,movetheheelsupanddown,icecream,heatedicecreamscoop,Itisusedforservingreallycoldice-cream.,/skup/,scoop,Step2Practice,2,1,3,Task12aListenandnumberinventions.,changing,inthedark,serving,Task22bListenandcompletethechart.,Task4Findthekeypoints.,paper-making造纸术,compass指南针,printing印刷术,gunpowder火药,thefourgreatinventionsinChina,Task1Nametheinvention,inventv.,inventorn.,inventionn.,CaiLuninventedprintingwhichisoneofthegreatestinventions.Soheisagreatinventor.Andweshouldbeproudofhim.,-WhatisthiscalledinEnglish?-Itiscalleda/an,telephone,television,car,lightbulb,computers,fridgesn.冰箱,cameras,alarmclocks,-WhataretheycalledinEnglish?-Theyarecalled,/frd/,KarlBenzEdisonBellHamiltonSmithWrightbrothers,inventors,inventions/Time,Washingmachine(1858)Lightbulb(1879)Plane(1903)Car(1885)Telephone(1876),Task4Talkaboutinventionsinpairs.,Step4Consolidation,完成下列句子。,1.汽车是什么时候被发明的？_thecar_?2.它于1885年被发明。It_in1885.3.它是由谁发明的？_itinvented_?4.它是由贝尔发明的。It_Bell.,wasinvented,Whenwasinvented,wasinventedby,Whowasby,5.电脑用来做什么？What_thecomputer_?6.它用来搜寻信息。Its_informationoutsidetheworld.,usedforlookingfor,isusedfor,inventor,invented,inventions,Bellisagreat_.He_thetelephonein1876.Weallthinkitsoneoftheuseful_(invent).,根据括号内词的适当形式填空。,补全下列主动句变被动句。1.Mymothermadetheblouselastnight.Theblouse_lastnight.2.ThetwinssanganEnglishsongthatday.AnEnglishsong_bythetwinsthatday.,wasmade,wassungby,3.