unit3 computers.ppt

1、Unit3ComputersLookatthefollowingpicturesandtelltheirEnglishnames.abacuscalculatorhugecomputerPCpersonalcomputerlaptopPDAPersonalDigitalAssistantrobotCanyoutellthedevelopmentofcomputers?abacuscalculatorhugecomputerPClaptopPDArobotDoyouknowinwhatwayscomputersareusedtoday?searchforinformationwatchmovieslistentomusicreadbooksandmagazinesbuythingsonlineplaygamesonthecomputerReadingWhoamI?analyticaladj分析的calcucatevt计算sumn总数，算术题operatorn操作员simplifyvt简化logicaladj合逻辑的revolutionn革命artificialadj人造的intelli。

2、gencen智力tuben管子，电子管transistorn晶体管chipn碎片，芯片networkn网络applicationn应用financen金融rocketn火箭explorevt/vi探索Marsn火星ParaI:ParaII:ParaIII:WhoamI?OvertimeIhavebeenchangedquitealot.Thesechangesonlybecamepossibleasmymemoryimproved.Sincethe1970smanynewapplicationshavebeenfoundoutforme.Skimthepassageandfindoutthetopicsentenceineachparagraph.Doyouknowthemainideaofthispassage?A.Thedevelopmentofcomputers.B.Amachinewhichissimple-minded.C.Thedevelopmentandtheapplicationsofcomputers.D.Computersmayreplacehumanbeings.。

3、Paragraph1Paragraph2Paragraph3TopicsentenceOvertimeIhavebeenchangedquitealot.Thesechangesonlybecamepossibleasmymemoryimproved.Sincethe1970smanynewapplicationshavebeenfoundforme.Completethechartbelow.Supportingdetails（findoutsomekeywords）•Calculatingmachine•Analyticalmachine•Universalmachine•Personalcomputer•laptop•Tubes•Transistors•Chips•Network•WorldWideWeb•Communications•Finance•Trade•Robots•Mobilephones•Medicaloperations•Spacerockets•ProvidingalifeofhighqualityParagraph1Paragraph2Paragraph3Re。

4、adpara1andfillinthechart.TimeMachineApplicationsIn1642A__________machine________difficultsumsAboutin_____AnanalyticalmachineThink_________In1936A________machineSolveanydifficultproblemBythe1940sAlargermachine______worriedthedesigners____________Personalcomputer/Laptop______________________________calculatingSimplify1842logicallyuniversalRealitySincethe1970sUsedinofficesandhomes1.Myshapedidn’tchangeeventhoughmymemoryimproved.2.TheolderIam,thelargerIhavebecome.3.OvertimeIhavelargememorysothatIwill。

5、notforgetanythingIhavebeentold.4.IwasabletosharemyknowledgewithothersthroughtheWorldWideWebintheearly1960s.FFTTTheinformationwasstoredintubes,thenontransistorsandlateronthechips.AsIhavegrownolderIhavealsogrownsmaller.Readpara2andthentellthestatementtrueorfalse.12Whatrolesdocomputersplayinthelifeofhumanbeings?Whatarethenewapplicationsofthecomputer?ReadPara3andthenanswerthefollowingquestions.Whatarethenewapplicationsofthecomputer?communicationtrademedicaloperationspacerocketsrobotsmobilephonesfina。

6、nceWhatrolesdocomputersplayinthelifeofhumanbeings?Theyprovidehumanswithalifeofhighquality.Theyaredevotedfriendsandhelpersofthehumanrace.Ibeganasa________________in1642inFrance.In1842Iwasbuiltasan_______________.Thenin1936AlanTuringwroteabookandbuilta_______________.Astime______,Iwasmade______butmymemorygot______and_____.Inthe1960stheygavemeafamilyconnectedby________.NowpeoplecallittheInternet.Iwasusedin______and______inthe1970s.SincemybirthIhavetrulybeenbuilttoservethehumanrace.calculatingmachin。

7、eanalyticalmachineuniversalmachinewentbysmallerlargerlargeranetworkofficeshomesRetellthepassage.ConclusionThereisnodoubtthatthecomputerhastwosides,too.Ifwemakegooduseofit,itwillmakeourlivesmorecolorfulandconvenient.Butdon’tloseyourselfinplayingcomputers.Justremember:Keepfitandstudyhard.HomeworkWriteashortpassageaboutthedevelopmentofthemobilephone.1.1973年，世界上出现第一部移动电话。（mobilephone）2.1985年，第一台现代意义上的移动电话诞生。经过一段时间手机已经变化了很多。（modernmobilephone）3.此后，手机向人工智能发展。（artificialintelligence）4.现在手机有很多功能，人们离不开智能手机。（smartphone）。