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ID:60983722
大小:1.74 MB
页数:44页
时间:2021-01-17
《高一必修2 Unit 3 Computers 课件-Reading.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、Unit3ComputersWarmingupandreading1Guess!Atoy?Ahandbag?ComputersIamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamabitlonelybecausetheydon’tlikemenow.DoyouknowwhoIam?abacusGuessmore:Iamverysmall.Icanbeusedforcalculating.InChina,al
2、otofstudentsusemewhensolvingmathematicalproblems.DoyouknowwhoIam?calculatorIcanbeusedforcalculating.Besides,IcanalsobeusedforwatchingDVD,sendinge-mailandcommunicatingthroughtheInternet.However,IamnotaPC,becauseI’msmallenoughforyoutotakemewithyou.notebookcomp
3、uterDoyouknowwhoIam?abacuscalculatorAhugecomputerPDAlaptopAPCAhugecomputerAPCPDAlaptopabacuscalculatorAnabacusAhugecomputerAcalculatorAPCAnotebookcomputerSth.incommondifferencessizeusespeedinventionhelpworkwithnumbersHowhavecomputerchangedourlives?(Whatcanyo
4、udousingcomputers?)Pre-readingWecanusethecomputerorInternetto:playcomputergameslistentomusicwatchmoviescommunicatewithmyfriends(MSN,QQ)searchusefulinformation(Google,Yahoo!)buythingsIlike(eBay,Taobao)typemyhomeworkdrawpicturesReadingWhoAmI?Readingforgenerali
5、deaTask1WhoamI?Iamacomputer.Whatdoeseachparagraphtellus?Para.1:Para.2:Para.3:Ittellsusthatthecomputerhasbeenchangedmuchovertime.Ittellsusthatthesechangesonlybecamepossibleasthememoryofthecomputerimproved.Ittellsusthatmanynewapplicationshavebeenfoundforthecom
6、putersincethe1970s.Task2Readingfordetails●Whatwasthecomputercalledindifferentstages?1.Itbeganasa(n)_________________inFrancein1642.2.About200yearslateritwasbuiltasa(n)__________________byCharlesBabbage.3.In1936itwasmadetoworkasa(n)_________________.4.Laterit
7、wasbuiltasa___________________.5.Asa__________,ithasbeenusedinofficesandhomessincethe1970s.calculatingmachineanalyticalmachineuniversalmachinePC(personalcomputer)laptop●Whatarethethingsthatmadethecomputer’smemoryimproved?_____________________________________
8、___________________________________________tubestransistorsWorldWideWebchipsnetwork●Whatnewapplicationshavewefoundforthecomputersincethe1970s?communicationfinancetraderobotsmobilephonesmedicalop
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