高中英语module 2教学unit3 warming up

Unit3ComputersCD/DVD-ROMmonitorLCDmonitorCPUharddiscmotherboardPartsofcomputersCentralProcessingUnitkeyboardmousemodemscannerprinterspeakerfloppydiscUSBflashdiscCD/DVD/VCDMP3playerWhatisPC?Speakthewholename.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.BrainstormcomputeronlineofflineclicksoftwarehardwaresearchupdatedownloadInternetwebsiteThinkasmanywordsaspossiblerelatedtocomputersasearchenginesurfotherusefulwordsandexpressionsaboutcomputerNetwork网络Program

程序Virus

病毒Hacker黑客Upload上传Homepage主页Password

密码Desktop桌面Username用户名Lookatthesepictures.Whatdotheyhaveincommon?2.Whatdotheytellyouaboutthedevelopmentofcomputers?3.Whatdoyouthinkwillbethenextdevelopment?What’snext?(Whatdotheyhave

incommon?)Ithinkthat…Inmyopinion…Ibelievethat…What’syourreason?Whydoyouthinkso?1.Theycanbeusedforcalculating.2.Theycandealwithmathproblems.3.Theyareourfriends.4.Theyareusefulandhelpful.

Workinpairs.Trytoputtheseinventionsinanorderaccordingtothetimewhentheyappeared.Thenreadthepassagequicklyandchecktoseeifyouwereright.()analyticalmachine ()laptop ()calculatingmachine()robot()PC()universalmachinePre-reading1.WhoamI?2.What’sthe

mainidea

ofthetext?A.Thecomputerwantstofind“whoheis”.B.Thefunctions(功能)ofthecomputer.C.Thecomputerbecomespopular

aroundtheworld.D.Thehistoryandtheapplicationsofthecomputer.Lookatthepicturesandthetitleofthereadingpassage.Predictwhatitisgoingtobeabout.skimmingIamacomputer.16421822TheanalyticalmachinewasmadebyCharlesBabbage.1940sThecomputerbeganasacalculatingmachine．Thecomputergrewrapidlybothinsizeandinbrainpower.Finishthetimeline1936Computershadgrownaslargeasaroom.Size:brainpower:largermorepowerfulThefirstfamilyofcomputerswasconnectedtoeachother.1970snow1960sComputerswereusedinofficesandhomes.Computersconnectpeopleallovertheworldtogether.tubestransistorssmallchipslargesmallsizesmalllargememoryComputer:sizesmallerbrainpowerpowerfulParagraph1Paragraph2TopicsentenceParagraph3TopicsentenceOvertimeIhavebeenchangedquitealot.Thesechangesonlybecamepossibleasmymemoryimproved.Sincethe1970smanynewapplicationshavebeenfoundforme.ReadingfortopicsentencesParagraph1Paragraph2TopicsentenceSupportingdetailsOvertimeIhavebeenchangedquitealot.CalculatingmachineAnalyticalmachineUniversalmachinePClaptopThesechangesonlybecamepossibleasmymemoryimproved.tubestransistorschipsnetworkWorldWideWebParagraph3TopicsentenceSupportingdetails＊

communications＊finance＊

trade＊

robots＊

mobilephones＊

medicaloperations＊

spacerockets＊

providingalifeofhighqualitySincethe1970smanynewapplicationshavebeenfoundforme.DevelopmentNameFunction

PoorStrongA_________machine____________difficultsumsAn________machineThink______andproduceananswer______A_________machineSolvedifficult______________________calculatinganalytical

universal

mathematicalproblemsSimplifylogicallyquicklyDevelopment________storedinTubesLargeSmall____________Smallchips_______________________Narrow

WideFinance________RobotsMobilephones___________SpacerocketsMedicaloperationsMemoryTransistorsApplicationsCommunicationTrade

Ibeganasa__________________inFrancein1642.In1822Iwasbuiltasan________________.Thenin1936AlanTuringwroteabookandbuilta________________.Astime______,Iwasmade_______.Thesechangesbecamepossibleasmy________________.Intheearly1960stheygavemeafamily_____________________.NowpeoplecallittheWorldWideWeb.Ihavebeen______________________sincethe1970s.SoIbecameaPC.I’mhappytobecomeadevotedfriendandhelperofthehumanrace.calculatingmachineanalyticalmachineuniversalmachinewentbyconnectedbyanetworkusedinofficessmallermemoryimprovedandhomes

Brainstormalistofusesforcomputers.

withcomputers

withoutcomputersSendemailsWordprocessingSearchforinformationChatonlineWatchfilmsorseriesofTVprogramsStoreinformationWritelettersWritebyhandortypewriterLookinlibrary…GotothecinemaWriteeverythingdown1.usecomputerforschoolworkYouYourpartner2.playgamesonthecomputer3.sendemailstofriends4.surftheWebforfun5.downloadmusicandfilms6.chatonline7.searchforinformation8.lookatphotographs9.doshoppingonlineHowdoyouusecomputersandtheInternet?II.用括号内所给词的适当形式填空。1.Musi