中职《幼师英语》课件Unit 8 Computer

幼师英语ComputerUnit8

二Contents一四五三PhoneticsListeningandSpeakingReadingandWritingProfessionalTrainingGrammarSectionⅠPhonetics合口双元音/əʊ//aʊ/舌后软腭半元音/w/舌前硬腭半元音/j//əʊ/合口双元音，字母o和字母组合oa和ow在单词中的读音。发音要领：由/ə/音滑向/u/音，舌位由半低到高，口形由半开到小，音要发足。/aʊ/合口双元音，字母组合ou和ow在单词中的读音。发音要领：由/a/音滑向/ə/音，舌位由低到高，口形由大到小，音要发足。/w/舌后软腭半元音。发音要领：舌后部向软腭抬起，舌位高；双唇收小并向前突出，发音时声带振动；发音短促，立刻滑向其后的元音。/j/舌前硬腭半元音。发音要领：发音时舌前部向硬腭尽量抬起，舌位较高，双唇伸展成扁平状，发音时声带振动。SectionⅠPhoneticsReadthefollowingsentences.1.Areyougoingtotheballtomorrow?2.I’lltaketwohourstogettothetwintowers.3.Wouldyouliketoplayagamenow?4.Whoisthewinner?5.Youbroketheyellowyo-yoyoungHughusedtouse.SectionⅡListeningandSpeakingListentothedialogueandfillintheblanks.A：It’s___1___forkidstostarttousecomputerswhentheyareveryyoung.B：Iguessiftheydon’tstartearly，theywillbe___2___.A：Ithink___3___aren’tasgoodforkidsassomepeoplesaytheyare.B：Whydoyousaythat?A：Itisn’thealthyforkidstositindoors___4___acomputerscreenallday.Theydon’tgetenough___5___andtheydon’tlearnhowtorelatetootherkidstheirage.SectionⅡListeningandSpeakingPracticetheconversationwithyourpartners.A：Hey，Jack.Youlooklistless.Areyouallright?B：Ididn’tsleepmuchlastnight.A：Howcome?B：YouknowBob，myroommate.Heboughtacomputerlastmonth.Hehasturnedhiscomputerintoanelectricplayground.Heplaysfootball，rideshorses，drivesracingcars，andplaysawholebunchofothergames.Everynighthekeepsmeup.A：Nowonderhedidn’ttakepartinourfootballmatchyesterday.Heplaysfootballonhiscomputer.Don’tyoulikegames?B：IamnotasathleticasBob.Iususllygetalotofinformationonthecomputerandusee-mailtosendmessagestomyfriends.A：Me，too.Recently，I’mfascinatedwithnet-chat.I’vemadefriendsonthenet.EverydayItalktothemandsharemanyinterestingthingswiththem.Ireallyenjoyit.SectionⅢReadingandWritingTextANotes1.Nowadaysplayingcomputergamesisaverycommonhobby，especiallyamongyoungpeopleandteenagers.现今，尤其是对年轻人和青少年来说玩电脑游戏是一项很广泛的爱好。2.Althoughmanypeopledoubttheadvantagesofcomputergames，ifusedwisely，computergamescanactuallybeusedforeducationalpurposes.虽然许多人怀疑电脑游戏的好处，但如果运用得当，电脑游戏实际上能起到教育的作用。3.Alsoanotheradvantageofcomputergamesisthatthegamesmaybeplayedtogetheramongfriendsorfamilymembers，whichmayimprovetherelationshipbetweenfamilymembersandallowparentstoknowmoreabouttheirchildrenontheirhobbiesandinterests.电脑游戏的另一项好处是，朋友或家庭成员可以一起玩儿，这样可以改善家庭成员之间的关系，使父母更多地了解孩子们的爱好和兴趣。SectionⅢReadingandWriting4.However，computergames，ifmisused，canalsohaveverybadeffectsonhumanbeings.但是，如果电脑游戏没有被恰当地利用，也会对人产生消极影响。5.Spendinglongtimeinfrontofthecomputerscreenwillleadtovarioushealthproblems.长时间坐在电脑屏幕前会导致很多健康问题。SectionⅢReadingandWritingTextBNotes1.Usingcomputersinourdailyliveshasitsadvantagesanddisadvantages.我们日常生活中使用电脑有其优势和劣势。2.Mostpeoplethinkwecanuseacomputertowriteletters，sendemail，andplaygames.许多人认为我们可以用电脑来写信、发邮件和玩游戏。3.Finallyafterdefeatingtheterriblemonsterandlearningtodothebasicsofcomputeroperation，theyfeelelatedandontopoftheworld.最后，当他们打败凶猛的怪兽，并且学会电脑的基本操作，他们欢欣鼓舞，觉得自己站在了世界最顶端。SectionⅢReadingandWriting4.Ifinformationwereneeded，onewouldgotothelibrary，newsstand，orbookstore.如果他们需要信息，他们需要到图书馆、报刊亭或书店去查找。5.Thecomputerisnolongeraluxury.电脑不再是奢侈品。SectionⅣProfessionalTrainingGamesDividethestudentsintoseveralgroups，thenshowstudentAinonegroupacardonwhichtherearesomewordsandaskhim/hertoexplainthemtohis/herpartnerinEnglishonebyoneinnomorethanthreesentences，andstudentBtoguessthemeaningofthewords;atlastseewhichgroupcanguessthemostwords.Forexample，studentAcansaylikethis：Itisasquarebox.Wewatchmoviesorlistentonewsthroughit.Ithasascreen.StudentBcansay：television.Remember：studentAcannotusethewordsonthecardtoexplainthewordsthemselves.SectionⅣProfessionalTrainingStoriesBillGatesinHisBoyhoodAsachildandasanadultaswell，Billwasuntidy.Ithasbeensaidthatinordertocounteractthis，Marydrewupweeklyclothingplansforhim.OnMondayshemightgotoschoolinblue，onTuesdaysingreen，onWednesdaysinbrown，onThursdaysinblack，andsoon.Weekendmealschedulesmightalsobeplannedindetail.DinnertablediscussionsintheGate’sfamilyhomewerealwayslivelyandeducational.“Itwasarichenvironmentinwhichtolearn，”Billremembered.Bill’scontemporaries，evenattheage，recognizedthathewasexceptional.Everyyear，heandhisfriendswouldgotosummercamp.Billespeciallylikedswimmingandothersports.Oneofhissummercampfriendsrecalled，“Hewasneveranerdoragooforthekindofkidyoudidn’twantyourteam.WeallknewBillwassmarterthanus.Evenbackthen，whenhewasnineortenyearsold，hetalkedlikeanadultandcouldexpresshimselfinwaysthatnoneofusunderstood.”SectionⅣProfessionalTrainingBillwasalsowellaheadofhisclassmatesinmathematicsandscience.HeneededtogotoaschoolthatchallengedhimtoLakeside—anall-boys’schoolforexceptionalstudents.ItwasSeattle’smostexclusiveschoolandwasnotedforitsrigorousacademicdemands，aplacewhere“eventhedumbkidsweresmart”.Lakesideallowedstudentstopursuetheirowninterests，towhateverextenttheywished.Theschoolprideditselfonmakingconditionsandfacilitiesavailablethatwouldenableallitsstudentstoreachtheirfullpotential.ItwastheidealenvironmentforsomeonelikeBillGates.In1968，theschoolmadeadecisionthatwouldchangethirteen-year-oldBillGate’slifeandthatofmanyofothers，too.Fundswereraised，mainlybyparents，thatenabledtheschooltogainaccesstoacomputeraProgramDataProcessor(PDP)throughateletypemachine.TypeinafewinstructionsontheteletypemachineandafewsecondslaterthePDPwouldtypebackitsresponse.SectionⅣProfessionalTrainingBillGateswasimmediatelyhooked，sowashisbestfriendatthetime，KentEvans，andanotherstudent，PaulAllen，whowastwoyearsolderthanBill.Whenevertheyhadfreetime，andsometimeswhentheydidn’t，theywoulddashovertothecomputerroomtousethemachine.Thestudentsbecamesosingle-mindedthattheysoonovertooktheirteachersinknowledgeaboutcomputingandgotintoalotoftroublebecauseoftheirobsession.Theywereneglectingtheirotherstudies—everypieceofwordwashandedinlate.Classeswerecut.Computertimewasalsoprovingtobeveryexpensive.Withinmonths，thewholebudgetthathadbeensetasidefortheyearhadbeenusedup.Atfourteen，Billwasalreadywritingshortprogramsforthecomputertoperform.EarlygamesprogramssuchasTicTacToe，orNoughtsandCrosses，andLunarLandingwerewritteninwhatwastobecomeBill’ssecondlanguage，BASIC.SectionⅣProfessionalTrainingOneofthereasonsBillwassogoodatprogrammingisbecauseitismathematicalandlogical.DuringhistimeatLakeside，Billscoredaperfecteighthundredonamathematicstest.Itwasextremelyimportanttohimtogetthisgradehehadtotakethetestmorethanonceinordertodoit.IfBillGateswasgoingtobegoodatsomething，hewantedtobethebest.Bill’sandPaul’sfascinationwithcomputersandthebusinessworldmeantthattheyreadagreatdeal.PaulenjoyedmagazineslikePopularElectronics，Computertimewasexpensiveand，becausebothboysweredesperatetogetmoretimeandbecauseBillalreadyhadaninsightintowhattheycouldachievefinancially，thetwoofthemdecidedtosetthemselvesupasacompany：TheLakeSideProgrammersGroup.“Let’scalltherealworldandtrytosellsomethingtoit!”Billannounced.SectionⅤGrammer过去完成时

一、过去完成时的构成和形式各人称一律用had+过去分词。二、过去完成时的肯定式、否定式和疑问式的构成过去完成时的肯定式、否定式和疑问式的构成与现在完成时的构成类似，只要注意把现在完成时的助动词have改为had。三、过去完成时的用法1.表示在过去某一时间或动作之前已经完成的动作(即过去的过去)。这个过去的某一时间可用by，before等介词或连词引导的短语或从句来表示。例如：(1)Bytheendof2010，thisfactoryhadproduced200000cars.到2010年底，这个工厂已生产了20万辆小汽车。(2)Thetrainhadalreadyleftwhenwegottothestation.在我们到达车站时，火车已开走了。(3)Theboytoldthepolicethathehadseensomeonestealabike.孩子告诉警察，他看到有人偷自行车。SectionⅤGrammer2.表示在过去某一时间开始一直延续到另一个过去的时间的动作。例如：(1)Theoldmanh