高中英语人教版必修二 unit3 Computers.pdf
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1、A handbag?A toy?What English words do you know abou t compu ters?,keyboard mouseI am very old now.I was born in China.Many people used me for calculating iinthe past,but now lam a bit lonely because they dont like me now.JDo g u know wh。I am?fTTTTTTTWIg 旧面 SIBI HniUnn Miff”I am very small.Ican be us
2、eorcalculating.In China,a lot of studentsuse me when solving mathematical problemSeDo you know who 1 am?calculator74 I963,.0_*j for calculating.Be I can also be used for watching D sending e-mail and communicatingthrough the Internet.However,I am not a PC,because Im small enough for youto take me wi
3、th you.Do you know who I am?notebook computer/laptoplaptopPDAte out all the words you know about computers.I-RDBDTRELEASING WORLDWIDE 2004rM and C2OD4 Vqk and!不Qd onttif35.All fig hts iiurvod.Pig party of Fox.r onry.Sain dunHcnlson nr other tran3tor or this matonni slricilv pronihifcdSkimming:Go ove
4、r the story to find out;support your idea.It is a computer.I was built as an Analytical Machine by Charles Babbage.”My real father was Alan Turing I was able to share my knowledge with others through the World Wide Web.TimelineTSffating machine 乂.1822:The Analytical Machine was made by Charles Babba
5、ge.1936The computer grew rapidly both in size_and in brainpower.1940s:The computer had grown as large as a room196。号 The first family of computers was connected toeach othen1970s:Computers were used in offices and homes.Now:Cmnpnfars rnrmert people 011 ever the world together;Paragraph 1Paragraph 2P
6、aragraph 3Topic sentenceOver time I have These changes only been changed became Possib,e as/.my memoryquite a lot improvedIKSupporting detailsCalculating machine Analytical machine Universal machinePC elaptopTbbesTransistorsChipsNetworkWorld wide webeCommunicationsFinanceTradeRobotsMobile phonesMedi
7、cal operationsSpace rocketsProviding a life of high qualityuter was built as alyticahiachineas programmed by an operators/a5ke/s cg r;yputer a(n)lacmne t_was written by Alang/(g raw mpidly.IFrorti the 1640s to the 19/0sThe computer was made smaller;and its5.memorybecame better.The computer could mem
8、orize al the thingsDuring that time,the first PC and the first6,lapto p were made.Computerwere connected by a s,networkThroug h the network,people could9.Sh-F苞 knowledg e and information.putersask 5 QUESTION-ANSWER COMPETITIONWhat is PC?Speak the name on the wholes-It means:personal compu ter.2.What
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