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1、Unit3GomputersSectionⅠWarmingUp&Reading—Pre-readingStep4Step3Step2Step1Step51．Inourdailylife,thecomputerandtheInternetplayanimportantrole,whatwaysdoyouthinkthecomputercanhelpus?2．Whodoyouthinkisthefounderoftheworldwideweb?Pleasereadthefollowingpassagetogetthe
2、answer.MostpeoplehaveneverheardofTimBernersLee.HeisnotnearlyasrichorfamousasMarcAndreessen,whoisthefounderofNetscape,orBillGates,whosenamehasbecomeawellknownword.BernersLee,whoworksinasmallofficeattheMassachusettsInstituteofTechnology,isthecreatoroftheWorldWi
3、deWeb.ThecreationoftheWebissoimportantthatsomepeoplecompareBernersLeetoJohannGutenberg,whoinventedprintingbymovabletype(活字)inthefifteenthcentury.BernersLeewasborninEnglandin1955.Hisparents,whohelpeddesigntheworld'sfirstcommercially(商業(yè)地)availablecomputer,gaveh
4、imagreatloveofmathematicsandlearning.In1980,BernersLeewenttoworkatCERN,aphysicslaboratoryinGeneva,Switzerland,wherehehadalotofmaterialtolearnquickly.Hehadapoormemoryforfactsandwantedtofindawaytohelphimkeeptrack(軌道)ofthingshecouldn'tremember.Heinventedasoftwar
5、eprogramthatallowedhimtocreateadocumentthathadlinkstootherdocuments.Hecontinuedtodevelophisideathroughthe1980s.Hewantedtofindawaytoconnecttheknowledgeandcreativityofpeopleallovertheworld.In1991,hisprojectbecameknownastheWorldWideWeb.ThenumberofInternetusersst
6、artedtogrowquickly.However,BernersLeeisnotcompletelyhappywiththewaytheWebhasdeveloped.Hethinksithasbecomeapassivetoolforsomanypeople,notthetoolforcreativitythathehadimagined.1．Lookatthefollowingpicture,canyounamesomepartsofthecomputer?答案：(1)hostcomputer(2)mon
7、itor(3)screen(4)keyboard(5)mouse(6)speaker2.Matchthewordswiththeirmeanings.(1)AmonitorisA．thepartofacomputerthatstoresinformation.(2)ThescreenisB．thepartofthecomputerthatyoutypeon.(3)AkeyboardisC．thepartofthecomputerthatlookslikeatelevision(4)AmouseisD．someth
8、ingyouusetoclickonthings(files,etc.)．(5)ACDROMisE．thepartofthemonitorthatyoulookat.(6)AharddiskisF．themaindevicethatacomputerusestostoreinformation.答案：(1)C(2)E(3)B(4)D(5)A(6)FScanthetexta
