必修二unit3-reading

ByJenUnit3ComputersLookatthefollowingpicturesandtelltheirEnglishnames.abacuscalculatorhugecomputerPCpersonalcomputerlaptopPDAPersonalDigitalAssistantrobotAhugecomputerAPClaptop(手提电脑)PDA(掌上电脑)Caculator计算器abacusWhoamI?Skimming:Gooverthestorytofindoutwhothespeakeris.Writedown3sentencestosupportyouridea.Itisacomputer.●IwasabletosharemyknowledgewithothersthroughtheWorldWideWeb.●”MyrealfatherwasAlanTuring....”●IwasbuiltasanAnalyticalMachinebyCharlesBabbage.”Doyouknowinwhatwayscomputersareusedtoday?Discussitwithyourdeskmate.(2min)searchforinformationwatchmovieslistentomusicreadbooksandmagazinesbuythingsonlineplaygamesonthecomputerReadingWhoamI?Canyoufindoutthetopicsentenceofeachparagraph?ParaI:ParaII:ParaIII:WhoamI?OvertimeIhavebeenchangedquitealot.Thesechangesonlybecamepossibleasmymemoryimproved.Sincethe1970smanynewapplicationshavebeenfoundoutforme.Skimthepassageandfindoutthetopicsentenceineachparagraph.(2min)Canyoufindoutthemainideaofthispassage?A.Thedevelopmentofcomputers.B.Amachinewhichissimple-minded.C.Thedevelopmentandtheapplicationsofcomputers.D.Computersmayreplacehumanbeings.Readpara1andfillinthechart.(2mins)TimeMachineApplicationsIn1642A__________machine________difficultsumsAboutin_____AnanalyticalmachineThink_________In1936A________machineSolveanydifficultproblemBythe1940sAlargermachine______worriedthedesigners____________Personalcomputer/Laptop______________________________calculatingSimplify1822logicallyuniversalRealitySincethe1970sUsedinofficesandhomes1.Myshapedidn’tchangeeventhoughmymemoryimproved.2.TheolderIam,thelargerIhavebecome.3.OvertimeIhavelargememorysothatIwillnotforgetanythingIhavebeentold.4.IwasabletosharemyknowledgewithothersthroughtheWorldWideWebintheearly1960s.FFTTTheinformationwasstoredintubes,thenontransistorsandlateronthechips.AsIhavegrownolderIhavealsogrownsmaller.Readpara2andthentellthestatementtrueorfalse.(1min)12Whatrolesdocomputersplayinthelifeofhumanbeings?Whatarethenewapplicationsofthecomputer?ReadPara3andthenanswerthefollowingquestions.(1min)Whatarethenewapplicationsofthecomputer?CommunicationfinancemobilephonesTrademedicaloperationspacerocketsrobotsWhatrolesdocomputersplayinthelifeofhumanbeings?Theyprovidehumanswithalifeofhighquality.Theyaredevotedfriendsandhelpersofthehumanrace.16421822TheanalyticalmachinewasmadebyCharlesBabbage.19361940s1960sThefirstfamilyofcomputerswasconnectedtoeachother.1970sNowTimeline:Findoutthedevelopmentofcomputersinthefollowingyears.(1min)Thecomputerbeganasacalculatingmachine．Thecomputergrewrapidlybothinsizeandinbrainpower.Thecomputerhadgrownaslargeasaroom.Computerswereusedinofficesandhomes.Computerisadevotedfriendandhelperofthehumanrace.1.WhatisPC?Speakthenameonthewhole.Itmeans:personalcomputer.2.WhatisIT?InformationTechnology.3.WhatisCD-ROM?Compactdiscread-onlymemory.4.WhatisPDA?Personaldigitalassistant.5.WhatisW.W.W?Worldwideweb.6.科学技术。Scienceandtechnology.7.人工智能。Artificialintelligence.8.笔记本电脑。Notebookcomputer.9.Whowasthefirstpersontodevisethefirstcomputer?CharlesBabbageinventedanAnalyticalmachinein1822.10.Whowasthecomputers’realfather?AlanTuring.palmtopsmallerdesktopconvenientlaptop2.Whataboutinthefuture?virtualkeyboards虚拟键盘Nose-topkeyboard-vestDiscussionInwhatwayscomputerscanbeusedtodoforhumanraceinthefuture?Forexample:A:Whatwillcomputersbedevelopedinthefuture?B:Ithinkcomputerswillbedevelopedtohelpus…/Inmyopinion,computerscanbeusedto…carrythingsdroneworkinwarsdospaceresearchHomework1.Finishexercise1onpage202.Findoutsomesentencesofthepassageyoudon’tunderstand.Wewilldiscussitinnextclass.Thankyou!