人教版高中英语必修二Unit3 computers reading课件 .ppt

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1、Unit3ComputersLookatthefollowingpicturesandtelltheirEnglishnames.abacuscalculatorhugecomputerPCpersonalcomputerlaptopPDAPersonalDigitalAssistantrobotCanyoutellthedevelopmentofcomputers?abacuscalculatorhugecomputerPClaptopPDArobotDoyouknowinwhatwayscom

2、putersareusedtoday?Discussitwithyourdeskmate.(2min)searchforinformationwatchmovieslistentomusicreadbooksandmagazinesbuythingsonlineplaygamesonthecomputerReadingWhoamI?Canyoufindoutthetopicsentenceofeachparagraph?ParaI:ParaII:ParaIII:WhoamI?OvertimeI

3、havebeenchangedquitealot.Thesechangesonlybecamepossibleasmymemoryimproved.Sincethe1970smanynewapplicationshavebeenfoundoutforme.Skimthepassageandfindoutthetopicsentenceineachparagraph.(2min)Canyoufindoutthemainideaofthispassage?A.Thedevelopmentofcompu

4、ters.B.Amachinewhichissimple-minded.C.Thedevelopmentandtheapplicationsofcomputers.D.Computersmayreplacehumanbeings.Readpara1andfillinthechart.(2mins)CarefulreadingcalculatingSimplify1822logicallyuniversalRealitySincethe1970sUsedinofficesandhomesMysha

5、pedidn’tchangeeventhoughmymemoryimproved.TheolderIam,thelargerIhavebecome.OvertimeIhavelargememorysothatIwillnotforgetanythingIhavebeentold.IwasabletosharemyknowledgewithothersthroughtheWorldWideWebintheearly1960s.FFTTTheinformationwasstoredintubes,th

6、enontransistorsandlateronthechips.AsIhavegrownolderIhavealsogrownsmaller.Readpara2andthentellthestatementtrueorfalse.(1min)12Whatrolesdocomputersplayinthelifeofhumanbeings?Whatarethenewapplicationsofthecomputer?ReadPara3andthenanswerthefollowingquest

7、ions.(1min)Whatarethenewapplicationsofthecomputer?CommunicationfinancemobilephonesTrademedicaloperationspacerocketsrobotsWhatrolesdocomputersplayinthelifeofhumanbeings?Theyprovidehumanswithalifeofhighquality.Theyaredevotedfriendsandhelpersofthehumanra

8、ce.1.Fillintheblanksafterreadingthetext.TopicsentenceSuppportingdetailsPara1.calculatingmachine_________________________________PC___________Para2.tubes___________chips______________________Para3.___________Finance，traderobots,mobilephones____