中職《幼師英語》課件Unit 8 Computer

幼師英語ComputerUnit8

二Contents一四五三PhoneticsListeningandSpeakingReadingandWritingProfessionalTrainingGrammarSectionⅠPhonetics合口雙元音/??//a?/舌后軟腭半元音/w/舌前硬腭半元音/j//??/合口雙元音，字母o和字母組合oa和ow在單詞中的讀音。發(fā)音要領(lǐng)：由/?/音滑向/u/音，舌位由半低到高，口形由半開到小，音要發(fā)足。/a?/合口雙元音，字母組合ou和ow在單詞中的讀音。發(fā)音要領(lǐng)：由/a/音滑向/?/音，舌位由低到高，口形由大到小，音要發(fā)足。/w/舌后軟腭半元音。發(fā)音要領(lǐng)：舌后部向軟腭抬起，舌位高；雙唇收小并向前突出，發(fā)音時聲帶振動；發(fā)音短促，立刻滑向其后的元音。/j/舌前硬腭半元音。發(fā)音要領(lǐng)：發(fā)音時舌前部向硬腭盡量抬起，舌位較高，雙唇伸展成扁平狀，發(fā)音時聲帶振動。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.現(xiàn)今，尤其是對年輕人和青少年來說玩電腦游戲是一項很廣泛的愛好。2.Althoughmanypeopledoubttheadvantagesofcomputergames，ifusedwisely，computergamescanactuallybeusedforeducationalpurposes.雖然許多人懷疑電腦游戲的好處，但如果運用得當(dāng)，電腦游戲?qū)嶋H上能起到教育的作用。3.Alsoanotheradvantageofcomputergamesisthatthegamesmaybeplayedtogetheramongfriendsorfamilymembers，whichmayimprovetherelationshipbetweenfamilymembersandallowparentstoknowmoreabouttheirchildrenontheirhobbiesandinterests.電腦游戲的另一項好處是，朋友或家庭成員可以一起玩兒，這樣可以改善家庭成員之間的關(guān)系，使父母更多地了解孩子們的愛好和興趣。SectionⅢReadingandWriting4.However，computergames，ifmisused，canalsohaveverybadeffectsonhumanbeings.但是，如果電腦游戲沒有被恰當(dāng)?shù)乩?，也會對人產(chǎn)生消極影響。5.Spendinglongtimeinfrontofthecomputerscreenwillleadtovarioushealthproblems.長時間坐在電腦屏幕前會導(dǎo)致很多健康問題。SectionⅢReadingandWritingTextBNotes1.Usingcomputersinourdailyliveshasitsadvantagesanddisadvantages.我們?nèi)粘Ｉ钪惺褂秒娔X有其優(yōu)勢和劣勢。2.Mostpeoplethinkwecanuseacomputertowriteletters，sendemail，andplaygames.許多人認(rèn)為我們可以用電腦來寫信、發(fā)郵件和玩游戲。3.Finallyafterdefeatingtheterriblemonsterandlearningtodothebasicsofcomputeroperation，theyfeelelatedandontopoftheworld.最后，當(dāng)他們打敗兇猛的怪獸，并且學(xué)會電腦的基本操作，他們歡欣鼓舞，覺得自己站在了世界最頂端。SectionⅢReadingandWriting4.Ifinformationwereneeded，onewouldgotothelibrary，newsstand，orbookstore.如果他們需要信息，他們需要到圖書館、報刊亭或書店去查找。5.Thecomputerisnolongeraluxury.電腦不再是奢侈品。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過去完成時

一、過去完成時的構(gòu)成和形式各人稱一律用had+過去分詞。二、過去完成時的肯定式、否定式和疑問式的構(gòu)成過去完成時的肯定式、否定式和疑問式的構(gòu)成與現(xiàn)在完成時的構(gòu)成類似，只要注意把現(xiàn)在完成時的助動詞have改為had。三、過去完成時的用法1.表示在過去某一時間或動作之前已經(jīng)完成的動作(即過去的過去)。這個過去的某一時間可用by，before等介詞或連詞引導(dǎo)的短語或從句來表示。例如：(1)Bytheendof2010，thisfactoryhadproduced200000cars.到2010年底，這個工廠已生產(chǎn)了20萬輛小汽車。(2)Thetrainhadalreadyleftwhenwegottothestation.在我們到達(dá)車站時，火車已開走了。(3)Theboytoldthepolicethathehadseensomeonestealabike.孩子告訴警察，他看到有人偷自行車。SectionⅤGrammer2.表示在過去某一時間開始一直延續(xù)到另一個過去的時間的動作。例如：(1)Theoldmanh