高中英语 Unit 3 Section I Warming Up Reading Pre readi

Unit3GomputersSectionⅠWarmingUp&Reading—Pre-readingStep4Step3Step2Step1Step51．Inourdailylife,thecomputerandtheInternetplayanimportantrole,whatwaysdoyouthinkthecomputercanhelpus?2．Whodoyouthinkisthefounderoftheworldwideweb?Pleasereadthefollowingpassagetogettheanswer.MostpeoplehaveneverheardofTimBernersLee.HeisnotnearlyasrichorfamousasMarcAndreessen,whoisthefounderofNetscape,orBillGates,whosenamehasbecomeawellknownword.BernersLee,whoworksinasmallofficeattheMassachusettsInstituteofTechnology,isthecreatoroftheWorldWideWeb.ThecreationoftheWebissoimportantthatsomepeoplecompareBernersLeetoJohannGutenberg,whoinventedprintingbymovabletype(活字)inthefifteenthcentury.BernersLeewasborninEnglandin1955.Hisparents,whohelpeddesigntheworld'sfirstcommercially(商业地)availablecomputer,gavehimagreatloveofmathematicsandlearning.In1980,BernersLeewenttoworkatCERN,aphysicslaboratoryinGeneva,Switzerland,wherehehadalotofmaterialtolearnquickly.Hehadapoormemoryforfactsandwantedtofindawaytohelphimkeeptrack(轨道)ofthingshecouldn'tremember.Heinventedasoftwareprogramthatallowedhimtocreateadocumentthathadlinkstootherdocuments.Hecontinuedtodevelophisideathroughthe1980s.Hewantedtofindawaytoconnecttheknowledgeandcreativityofpeopleallovertheworld.In1991,hisprojectbecameknownastheWorldWideWeb.ThenumberofInternetusersstartedtogrowquickly.However,BernersLeeisnotcompletelyhappywiththewaytheWebhasdeveloped.Hethinksithasbecomeapassivetoolforsomanypeople,notthetoolforcreativitythathehadimagined.1．Lookatthefollowingpicture,canyounamesomepartsofthecomputer?答案：(1)hostcomputer(2)monitor(3)screen(4)keyboard(5)mouse(6)speaker2.Matchthewordswiththeirmeanings.(1)AmonitorisA．thepartofacomputerthatstoresinformation.(2)ThescreenisB．thepartofthecomputerthatyoutypeon.(3)AkeyboardisC．thepartofthecomputerthatlookslikeatelevision(4)AmouseisD．somethingyouusetoclickonthings(files,etc.)．(5)ACDROMisE．thepartofthemonitorthatyoulookat.(6)AharddiskisF．themaindevicethatacomputerusestostoreinformation.答案：(1)C(2)E(3)B(4)D(5)A(6)FScanthetextandthenchoosethebestansweraccordingtothetext.1．In1936,AlanTuringwroteabookabout________.A．howtosimplifydifficultsumsB．howthecomputercouldbemadetoworkasa“universalmachine”C．howtobuildananalyticalmachineD．howtochangethecomputer'sshape答案：B2．Whydidthecomputertotallychangeitsshape?A．Becausethecomputercoulddomanythings.B．Becausethecomputercouldsimplifysums.C．Becauseitsmemoryimproved.D．Becausethecomputerneverforgotanything.答案：C3．Howlongdidittakebeforethecomputerwasbuiltasananalyticalmachine?A．500years.B．300years.C．100years.D．200years.答案：D4．Accordingtothelastparagraph，whichwasnotmentionedintheuseofthecomputer?A．Mobilephones.B．Rockets.C．Bikes.D．Robots.答案：C5.Howcanyouunderstandtheunderlinedword?Sincethe1970smanynewapplicationshavebeenfoundforme.A．aformalrequestforsth.B．thepracticaluseofsth.C．anactofspreadingsth.D．anactofmakingarule答案：B1．Readthetextandthendothefollowingexercises.Writeoutthemainideaofthetext.Thisisashortoftheofcomputers.2．Lookattheseinventions.Canyouputtheminanorderaccordingtothetimewhentheyappeared?historydevelopment答案：DAFBCE3．Readthetextandthenfillintheblanks.Paragraph1Topicsentence①.Supportingdetails(1)calculatingmachine(2)analyticalmachine(3)②(4)PC(5)laptopParagraph2TopicsentenceThesechangesonlybecamepossibleasmymemoryimproved.OvertimeIhavebeenchangedquitealotuniversalmachineSupportingdetails(1)③(2)④(3)chips(4)network(5)⑤Paragraph3TopicsentenceSince⑥manynewapplicationshavebeenfoundforme.Supportingdetails(1)⑦(2)finance(3)trade(4)robots(5)mobilephones(6)⑧(7)providingalifeofhighqualitytubestransistorsWorldWideWebthe1970scommunicationspacerocketsFillintheblanksaccordingtothetext.Ibeganasa1.machinein1642.Ittooknearlytwohundredyears2.________Iwasbuiltasananalyticalmachine.Ibecamea“universalmachine”in1936to3.________anymathematicalproblem.Iwasverybigatonetime.However,astime4.，Iwasmadesmallerandsmaller.Iwasgivenafamily5.byanetworkintheearly1960s.Iwasableto6.________myknowledgewithothers7.________theWorldWideWeb.calculatingbeforesolvewentbyconnectedsharethroughIhavebeenwidelyusedinmanyfields,suchasincommunication,8.________，tradeandmedical9..Ihavealsobeenputintorobotsandspacerocketsto10.________theMoonandMars.I'mgladIamadevotedfriendandhelperofthehumanrace.financeoperationsexploreEverycoinhastwosides,sodoestheInternet.TalkabouttheadvantagesanddisadvantagesabouttheInternet.________________________________________________________________________________________________________参考答案：Advantages：(1)Nomatterhowfaritis,wecancommunicatewithourfriendsbyInternet.(2)Wecancollectrelatedinformationforourlessons.(3)Wecanwatchmoviesandlistentomusic,whichmakesourlifeinterestingandcolourful.(4)WecandoshoppingontheInternet.Disadvantages：(1)Ifweplaycomputersforalongtime,itisbadforoureyesandhealth.(2)Itisawasteoftimeandmoney.(3)Makepeopleisolatefromtheirfriends.(4)SomepeopleespeciallytheteenagersarecrazyaboutthecomputergamesandchattingontheInternet.Asaresult，theyhavelittletimetostudy.(5)Somepeopleusethecomputerwrongly.Conclusion：Thereisnodoubtthatcomputershavetwosides