高一英语必修2 unit3 reading 4

LOGOYOURSITEHEREUnderlinethecorrectoptiontoformcompoundwords.Example:searcha)engineb)motorc)disk1keya)doorb)boardc)pocket2weba)designb)lightc)site3ona)timeb)linec)sign4downa)roadb)foodc)load5softa)wareb)bearc)toy6upa)dayb)datec)late7harda)datab)diskc)systemsearchengineWhatdoyouknowaboutcomputer?Forexample,canyounamesomepartsofcomputer?keyboardmouseModem[məudem]scannerprinterspeakerCD/DVD-ROM只读存储器monitorLCDmonitorCPU中央处理器harddisc硬盘Chips(主板)/motherboardfloppydiscUSBflashdiscCD/DVD/VCDMP3playerLOGOYOURSITEHEREEarliestcomputerAnalyticalMachineNowadayscomputerLOGOYOURSITEHEREFastreading1.WhoamI?2.Whowasthefirstpersontomaketheearliestcomputer?A.AlanTuringB.CharlesBabbageC.CharlesTuring3.Whenwasthe“universalmachine”built?A.In1822B.In1642C.1936computer(B)(c)LOGOYOURSITEHEREMainidea:Thisisashorthistoryofthe______________ofcomputers.developmentTopicsentences:Para1OvertimeIhavebeenchangedquitealot.Para2Thesechangesonlybecamepossibleasmymemoryimproved.Para3Sincethe1970smanynewapplicationshavebeenfoundforme.Changesinsize•1.____________(earlier)•2.__________(inthepast)•3._________________(modern)notverybighugesmallerandthinner()APC()analyticalmachine()calculatingmachine()laptop()universalmachine()robot123456Changesinfounction1642TheAnalyticalMachinewasmadebyCharlesBabbage.1936Thefirstfamilyofcomputerswasconnectedbyanetwork.1970snowChangesintimeThecomputerbeganasacalculatingmachine．1822AlanTuringwroteabooktodescribehowcomputerscouldbemadetoworkandbuilta“universalmachine”．1960sComputersconnectpeopleallovertheworldtogether.ManynewapplicationshavebeenfoundTaskListeningIbeganasa_______machinein1642inFrance.In1822Iwasbuiltasan_______machine.Thenin1936AlanTuringwroteabookandbuilta______machine.Astheyearshave______,Ihavebeenmade______.Thereweretimeswhenmysize______changed.Andmymemorybecame_____large_____Icouldn’tbelieveit.Inthe1960stheygavemeafamily_________byanetwork.Iwasableto_________________withothersthroughtheWorldWideWeb.Sincethe1970smanynewapplications______________forme.calculatingAnalyticaluniversalgonebysmallertotallythatconnectedhavebeenfoundsharemyknowledgesoListentothetapeandfillintheblanks•Whatdoyouthinkisthetoneofthewriting?•(Exposition)•Itiswritteninthefirstperson.computerInternetSearchKeyboardClickE-mailBlogBGillatesE-palLetusrelaxWhatcanyouusecomputerstodo?ComputerandInternettypemyhomeworkdrawpicturesplaygamescommunicatewithmyfriends.gatherinformationformylessonslistentomusicwatchmovies……HowdoyouusecomputersandtheInternet?1.Helptodohomework2.Playcomputergames3.Sende-mails4.Listentomusic5.Seemovies6.Chat(聊天)7.Searchforinformation8.Doshopping9.LearncomputerskillsYesNoIoftenuseacomputerto…,Isometimesuseitto…,andIneveruseitto…LOGOYOURSITEHERESomethingtothinkabout:Withthedevelopmentofcomputertechnology,theinternethadbecomemoreandmorepopularamongstudents.However,justasasayinggoes,acoinhastwosides.Theinternetbringsbothadvantagesanddisadvantagestostudents.Workwithyourpartnerstolistsomeadvantagesanddisadvantagesoftheinternet.Advantages:Disadvantages:advantagesCommunicatewithfriends(allovertheworld)listentothemusicseefilms&watchnewsplaygamesdoshoppingsavealotoftimedoalotofusefulthingsDisadvantagesSomepeopleespeciallytheteenagersabandon(沉迷于)themselvestothecomputergamesandchattingontheInternet.Asaresult,theyhavelittletimetostudy.SomepeopleusethecomputerwronglyLOGOYOURSITEHERESummary:whathavewelearned?1.somewordsaboutcomputers.2thedevelopmentofcomputers3.usecomputercorrectly.LOGOYOURSITEHEREHomeworkReciteParaone