留學(xué)項(xiàng)目試題及答案英語(yǔ)能力測(cè)試一、詞匯與語(yǔ)法（共20題，每題1分，共20分）題目1.Theprofessor,aswellashisstudents,______interestedinthenewresearch.A.isB.areC.haveD.has2.______withthesizeofthewholeearth,thebiggestoceandoesnotseembigatall.A.CompareB.WhencomparingC.ComparingD.Whencompared3.Itishightimethatwe______measurestoprotecttheenvironment.A.takeB.tookC.willtakeD.havetaken4.Thereason______hewaslateis______hemissedtheearlybus.A.why;thatB.that;whyC.which;thatD.forwhich;what5.Idon'tthinkhewillcometotheparty,______?A.willheB.won'theC.doID.don'tI6.Sheistheonlyoneofthegirlswho______passedtheexam.A.haveB.hasC.areD.is7.______inthemountainsforaweek,thetwostudentswerefinallysavedbythelocalpolice.A.HavinglostB.LostC.BeinglostD.Losing8.Notuntilhecameback______thathismotherhadbeenillforseveraldays.A.didheknowB.heknewC.hadheknownD.hehadknown9.Thebookiswellworth______.A.toreadB.readingC.beingreadD.toberead10.______youhaveseenbothfighters,______willwin?A.Since;doyouthinkwhoB.As;whoyouthinkC.When;whoeverD.Since;whodoyouthink11.Ican'tstand______withJaneinthesameoffice.Shejustrefuses______talkingwhilesheworks.A.working;stoppingB.towork;stoppingC.working;tostopD.towork;tostop12.Thenews______ourteamhadwonthegamemadeusexcited.A.thatB.whichC.whatD.whether13.Hewasabouttoleave______thetelephonerang.A.whileB.asC.whenD.since14.______isknowntousallisthatthe2022WinterOlympicswillbeheldinBeijing.A.ItB.WhatC.AsD.Which15.Themoreheexplained,______Igot.A.themoreconfusedB.themoreconfusingC.themoreconfuseD.moreconfused16.Theoldmanhastwosons,______arelawyers.A.bothofthemB.bothofwhoC.bothofwhomD.bothofwhich17.I'dratheryou______methetruthearlier.A.tellB.toldC.hadtoldD.wouldtell18.Theproblem______atthemeetingtomorrowisveryimportant.A.discussedB.beingdiscussedC.tobediscussedD.todiscuss19.______bythebeautyofnature,thetouristsfromabroaddecidedtostayanothertwodaysinthesmallvillage.A.AttractingB.AttractedC.TobeattractedD.Havingattracted20.Weshoulddo______thePartycallsonustodo.A.whateverB.howeverC.wheneverD.wherever答案1.A。當(dāng)主語(yǔ)后面跟有aswellas連接的短語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞要與前面的主語(yǔ)保持一致，本題中前面的主語(yǔ)是theprofessor，為第三人稱單數(shù)，所以用is。2.D。“whencomparedwith...”是省略結(jié)構(gòu)，完整形式是“whenitiscomparedwith...”，表示“當(dāng)與……相比時(shí)”。3.B?！癐tishightimethat...”后面的從句要用虛擬語(yǔ)氣，謂語(yǔ)動(dòng)詞用過(guò)去式。4.A?！皌hereasonwhy...”表示“……的原因”，“thereason...isthat...”表示“……的原因是……”。5.A。當(dāng)主句的主語(yǔ)是第一人稱，謂語(yǔ)動(dòng)詞是think，且從句是否定句時(shí)，反意疑問(wèn)句要根據(jù)從句來(lái)確定，所以本題用willhe。6.B?！皌heonlyoneof+復(fù)數(shù)名詞+定語(yǔ)從句”中，定語(yǔ)從句的謂語(yǔ)動(dòng)詞要用單數(shù)形式，所以用has。7.B?！發(fā)ostinthemountains”表示“在山里迷路了”，是過(guò)去分詞短語(yǔ)作原因狀語(yǔ)。8.A。“notuntil...”位于句首時(shí)，主句要用部分倒裝，且根據(jù)語(yǔ)境，本題用一般過(guò)去時(shí)。9.B。“beworthdoing”表示“值得做某事”，主動(dòng)形式表示被動(dòng)意義。10.D?！皊ince”表示“既然”，“whodoyouthinkwillwin”是特殊疑問(wèn)句的結(jié)構(gòu)。11.C?！癱an'tstanddoingsth.”表示“不能忍受做某事”，“refusetodosth.”表示“拒絕做某事”。12.A?！皌hatourteamhadwonthegame”是同位語(yǔ)從句，解釋說(shuō)明thenews的內(nèi)容。13.C。“beabouttodosth.when...”表示“正要做某事這時(shí)……”。14.B。“whatisknowntousall”是主語(yǔ)從句，“what”在從句中作主語(yǔ)。15.A?！皌he+比較級(jí)，the+比較級(jí)”表示“越……，就越……”，“confused”用來(lái)形容人“感到困惑的”。16.C?！癰othofwhom”引導(dǎo)非限定性定語(yǔ)從句，修飾先行詞twosons。17.C?！癐'drathersb.haddonesth.”表示“我寧愿某人過(guò)去做了某事”，是虛擬語(yǔ)氣。18.C?！皌obediscussedatthemeetingtomorrow”是后置定語(yǔ)，修飾theproblem，表示“明天將要在會(huì)議上被討論的問(wèn)題”。19.B?！癮ttractedbythebeautyofnature”是過(guò)去分詞短語(yǔ)作原因狀語(yǔ)，“attract”與thetourists是被動(dòng)關(guān)系。20.A。“whatever”引導(dǎo)賓語(yǔ)從句，在從句中作do的賓語(yǔ)，表示“無(wú)論什么”。二、閱讀理解（共15題，每題2分，共30分）Passage1IntheUnitedStates,whenonebecomesrich,hewantspeopletoknowit.Andevenifhedoesnotbecomeveryrich,hewantspeopletothinkthatheis.Thatiswhat“keepingupwiththeJoneses”isabout.Itisthestoryofsomeonewhotriedtolookasrichashisneighbors.Theexpressionwasfirstusedin1913byayoungAmericancalledArthurMomand.Hetoldthisstoryabouthimself.Hebeganearning$125aweekattheageof23.Thatwasalotofmoneyinthosedays.HegotmarriedandmovedwithhiswifetoaverywealthyneighborhoodoutsideNewYorkCity.Whenhesawthatrichpeoplerodehorses,Momandwenthorsebackridingeveryday.Whenhesawthatrichpeoplehadservants,Momandandhiswifealsohiredaservantandgavebigpartiesfortheirnewneighbors.Itwaslikearace,butonecouldneverfinishthisracebecauseonewasalwaystryingtokeepup.TheraceendedforMomandandhiswifewhentheycouldnolongerpayfortheirnewwayoflife.TheymovedbacktoanapartmentinNewYorkCity.Momandlookedaroundhimandnoticedthatmanypeopledothingsjusttokeepupwithrichlifestyleoftheirneighbors.Hesawthefunnysideofitandstartedtowriteaseriesofshortstories.Hecalledit“KeepingupwiththeJoneses”because“Jones”isaverycommonnameintheUnitedStates.“KeepingupwiththeJoneses”cametomeankeepingupwithrichlifestyleofthepeoplearoundyou.Momand'sseriesappearedindifferentnewspapersacrossthecountryforover28years.PeopleneverseemtogettiredofkeepingupwiththeJoneses.Andthereare“Joneses”ineverycityoftheworld.ButonemustgettiredoftryingtokeepupwiththeJonesesbecausenomatterwhatonedoes,Mr.Jonesalwaysseemstobeahead.1.SomepeoplewanttokeepupwiththeJonesesbecausethey______.A.wanttobeasrichastheirneighborsB.wantotherstoknoworthinkthattheyarerichC.don'twantotherstoknowtheyarerichD.wanttobehappy2.Itcanbeinferredfromthestorythatrichpeopleliketo______.A.liveoutsideNewYorkCityB.liveinNewYorkCityC.liveinapartmentsD.havemanyneighbors3.ArthurMomandusedthename“Jones”inhisseriesofshortstoriesbecause“Jones”is______.A.animportantnameB.apopularnameintheUnitedStatesC.hisneighbor'snameD.notagoodname4.Accordingtothewriter,itis______tokeepupwiththeJoneses.A.correctB.interestingC.impossibleD.good答案1.B。根據(jù)第一段“IntheUnitedStates,whenonebecomesrich,hewantspeopletoknowit.Andevenifhedoesnotbecomeveryrich,hewantspeopletothinkthatheis.”可知，一些人想跟上鄰居的生活水平是想讓別人知道或認(rèn)為他們富有。2.A。從第二段“HegotmarriedandmovedwithhiswifetoaverywealthyneighborhoodoutsideNewYorkCity.”可以推斷出富人喜歡住在紐約市外。3.B。根據(jù)第四段“Hecalledit‘KeepingupwiththeJoneses’because‘Jones’isaverycommonnameintheUnitedStates.”可知，用“Jones”是因?yàn)樗敲绹?guó)一個(gè)很常見(jiàn)的名字。4.C。根據(jù)最后一段“nomatterwhatonedoes,Mr.Jonesalwaysseemstobeahead”可知，要跟上別人的富有生活方式是不可能的。Passage2TheInternethasledtoahugeincreaseincredit-cardfraud.Yourcardinformationcouldevenbeforsaleinanillegalwebsite.Websitesofferingcheapgoodsandservicesshouldberegardedwithcare.On-lineshopperswhoentertheircredit-cardinformationmayneverreceivethegoodstheythoughttheybought.Thethievesthengoshoppingwithyourcardnumber-orselltheinformationovertheInternet.Computerhackershavebrokendownsecuritysystems,raisingquestionsaboutthesafetyofcardholderinformation.Severalmonthsago,25,000customersofaCDuniverse,anon-linemusicretailer,werenotlucky.Theirnames,addressesandcredit-cardnumberswerepostedonaWebsiteaftertheretailerrefusedtopayUS$157,828togetbacktheinformation.Credit-cardfirmsarenowfightingagainston-linefraud.MasterCardisworkingonplansforWeb-onlycreditcard,withalowercreditlimit.Thecardcouldbeusedonlyforshoppingon-line.However,thereareafewproblems.First,itneedstobeinstalledinusers’browsers.Second,ifauserloseshispassword,thecardwillnolongerbesafe.Visa,America’slargestcredit-cardfirm,hasintroducedanewservicecalledVerifiedbyVisa.Visasaystheserviceisareliablewaytomakeon-lineshoppingsafer.CustomersgetapasswordfromVisa.Theyenterthispasswordwhentheyshopon-line.Ifthepasswordiscorrect,Visaauthorizesthetransaction.Foron-lineshoppers,it’simportanttotakecarewhengivingoutcredit-cardinformationontheInternet.Checkthesecuritylevelonyourbrowser.Asktheon-lineretailerhowtheirsecuritysystemworks.Iftheon-lineshopisintheUS,youcanasktheNationalFraudInformationCenterformoreadvice,orcheckouttheirwebsites.1.WhatdomostpeopleworryabouttheInternetaccordingtothispassage?A.Alotofstolencredit-cardsweresoldontheInternet.B.FraudontheInternet.C.Manywebsitesaredestroyed.D.ManyillegalwebsitesareontheInternet.2.Howcanthethievesgettheinformationofthecreditcard?A.Thecustomersgivethemtheinformation.B.Thethievesstealtheinformationfromwebsites.C.Thecustomersselltheinformationtothem.D.Thethievesbuytheinformationfromcredit-cardfirms.3.Visahasintroducedanewserviceto______.A.makeon-lineshoppingeasierB.meettheneedsofcustomersC.makeon-lineshoppingsaferD.replacetheoldcreditcards4.YoucanasktheNationalFraudInformationCenterforadviceif______.A.yoususpecttheon-lineshopisafraudB.youwanttosellyourgoodson-lineC.youhavelostyourcreditcardD.youwanttouseanewservice答案1.B。根據(jù)第一段“TheInternethasledtoahugeincreaseincredit-cardfraud.”可知，人們最擔(dān)心的是網(wǎng)絡(luò)欺詐。2.B。從第二段“Computerhackershavebrokendownsecuritysystems,raisingquestionsaboutthesafetyofcardholderinformation”以及相關(guān)例子可知，小偷是從網(wǎng)站上竊取信用卡信息的。3.C。根據(jù)第四段“Visasaystheserviceisareliablewaytomakeon-lineshoppingsafer”可知，Visa推出新服務(wù)是為了讓網(wǎng)上購(gòu)物更安全。4.A。根據(jù)最后一段“Iftheon-lineshopisintheUS,youcanasktheNationalFraudInformationCenterformoreadvice”可知，如果你懷疑網(wǎng)上商店是欺詐性的，可以向國(guó)家欺詐信息中心咨詢。Passage3Thehumanbraincontains10thousandmillioncellsandeachofthesemayhaveathousandconnections.Suchenormousnumbersusedtodiscourageusandcauseustodismissthepossibilityofmakingamachinewithhuman-likeability,butnowthatwehavegrownusedtomovingforwardatsuchapacewecanbelesssure.Quitesoon,inonly10or20yearsperhaps,wewillbeabletoassembleamachineascomplexasthehumanbrain,andifwecanwewill.Itmaythentakeusalongtimetorenderitintelligentbyloadingintherightsoftwareorbyalteringthearchitecturebutthattoowillhappen.Ithinkitcertainthatindecades,notcenturies,machinesofsiliconwillarisefirsttorivalandthenexceedtheirhumanancestors.Oncetheyexceedustheywillbecapableoftheirowndesign.Inarealsensetheywillbeabletoreproducethemselves.Siliconwillhaveendedcarbon’slongcontrol.Andwewillnolongerbeabletoclaimourselvestobethefinestintelligenceintheknownuniverse.Astheintelligenceofrobotsincreasestomatchthatofhumansandastheircostdeclinesthrougheconomiesofscalewemayusethemtoexpandourfrontiers,firstonearththroughtheirabilitytowithstandenvironments,harmfultoourselves.Thus,desertsmaybloomandtheoceanbedsbemined.Furtherahead,byacombinationofthegreatwealththisnewagewillbringandthetechnologyitwillprovide,theconstructionofavast,man-createdworldinspace,hometothousandsormillionsofpeople,willbewithinourpower.1.Inwhatwaycanwemakeamachineintelligent?A.Bymakingitworkinsuchenvironmentsasdeserts,oceansorspace.B.Byworkinghardfor10or20years.C.Byeitherproperlyprogrammingitorchangingitsstructure.D.Byreproducingit.2.Whatdoesthewriterthinkaboutmachineswithhuman-likeability?A.Hebelievestheywillbeusefultohumanbeings.B.Hebelievesthattheywillcontrolusinthefuture.C.Heisnotquitesureinwhatwaytheymayinfluenceus.D.Hedoesn'tconsidertheconstructionofsuchmachinespossible.3.Theword“carbon”(Line4,Para.2)standsfor“______”.A.intelligentrobotsB.achemicalelementC.anorganicsubstanceD.humanbeings4.Arobotcanbeusedtoexpandourfrontierswhen______.A.itsintelligenceandcostarebeyondquestionB.itisabletobeartheroughenvironmentC.itismadeascomplexasthehumanbrainD.itsarchitectureisdifferentfromthatofthepresentones答案1.C。根據(jù)第一段“Itmaythentakeusalongtimetorenderitintelligentbyloadingintherightsoftwareorbyalteringthearchitecturebutthattoowillhappen”可知，通過(guò)安裝合適的軟件或改變其結(jié)構(gòu)可以使機(jī)器變得智能。2.A。根據(jù)第三段“Astheintelligenceofrobotsincreasestomatchthatofhumansandastheircostdeclinesthrougheconomiesofscalewemayusethemtoexpandourfrontiers”可知，作者認(rèn)為具有人類能力的機(jī)器對(duì)人類是有用的。3.D。在文章中“carbon”與“silicon”相對(duì)，“silicon”代表機(jī)器人，那么“carbon”代表人類，因?yàn)槿祟愂翘蓟铩?.A。根據(jù)第三段“Astheintelligenceofrobotsincreasestomatchthatofhumansandastheircostdeclinesthrougheconomiesofscalewemayusethemtoexpandourfrontiers”可知，當(dāng)機(jī)器人的智能和成本都沒(méi)問(wèn)題時(shí)，可以用來(lái)拓展我們的邊界。三、寫(xiě)作（共1題，50分）題目你計(jì)劃去國(guó)外留學(xué)，寫(xiě)一封信給國(guó)外某大學(xué)的招生辦公室，詢問(wèn)有關(guān)該校留學(xué)項(xiàng)目的詳細(xì)信息，包括專業(yè)設(shè)置、學(xué)費(fèi)、獎(jiǎng)學(xué)金、住宿等情況。參考范文DearSir/Madam,Iamwritingtoinquireaboutthedetailsofyouruniversity'soverseasstudyprogram.Iamextremelyinterestedinpursuingmyfurthereducationatyouresteemedinstitution.Firstofall,Iwouldliketoknowmoreabouttheavailablemajors.Couldyoupleaseprovideacomprehensivelistofthefieldsofstudyofferedinyouruniversity?Iamparticularlyinterestedin[mentionthespecificmajorsyouareinterestedin],andIwonderifthereareanyuniquefeaturesorresearchopportunitiesinthesemajors.Regardingthetuitionfees,Iamconcernedaboutthecostofstudyingatyouruniversity.Couldyoutellmetheexactamountoftuitionforinternationalstudentsindifferentmajors?Arethereanyadditionalfees,suchaslaboratoryfees,libraryfees,orinsurancefees?Scholarshipsarealsoacrucialfactorforme.Iwouldliketoknowifyouruniversityoffersanyscholarshipsforinternationalstudents.Whataretheeligibilitycriteriaandapplicationproceduresforthesescholarships?Canyouprovidesomeexamplesofthetypesofscholarshipsavailableandtheamountofmoneytheycover?Accommodationisanotherimportantaspect.Iwouldliketoknowwhatkindsofaccommodationoptionsareavailableon-campusandoff-campus.Whatarethecostsassociatedwitheachoption?Isiteasytofindasuitableplacetoliveneartheuniversity?Inaddition,Iwouldappreciateitifyoucouldprovidesomeinformationabouttheteachingstaff.Aretheprofessorshighlyqualifiedandexperienced?Dotheyhaveagoodreputationintheirrespectivefields?Finally,couldyoutellmeabouttheapplicationprocessandthedeadlines?WhatdocumentsdoIneedtopreparefortheapplication?Thankyouverymuchforyourtimeandconsideration.Ilookforwardtoyourdetailedreply.Yourssincerely,[YourName]專業(yè)知識(shí)測(cè)試（以計(jì)算機(jī)科學(xué)專業(yè)為例）一、選擇題（共10題，每題3分，共30分）1.Whichofthefollowingdatastructuresisbestsuitedforimplementingapriorityqueue?A.ArrayB.LinkedlistC.BinaryheapD.Stack2.Inarelationaldatabase,aprimarykeyisa______.A.fieldthatuniquelyidentifieseachrecordinatableB.fieldthatisusedtosorttherecordsinatableC.fieldthatisusedtolinktwotablesD.fieldthatcontainsthemaximumvalueinatable3.Whatisthetimecomplexityofthequicksortalgorithmintheaveragecase?A.O(n)B.O(nlogn)C.O(n^2)D.O(logn)4.Theprocessofconvertinghigh-levelprogramminglanguagecodeintomachine-readablecodeiscalled______.A.CompilationB.InterpretationC.AssemblyD.Linking5.Whichofthefollowingisnotatypeofartificialintelligence?A.MachinelearningB.NeuralnetworksC.DataminingD.Databasemanagement6.Agraphwithnocyclesiscalleda______.A.TreeB.ForestC.DirectedgraphD.Undirectedgraph7.Inobject-orientedprogramming,inheritanceisamechanismthatallows______.A.aclasstoreusethepropertiesandmethodsofanotherclassB.aclasstohavemultipleconstructorsC.aclasstobedefinedwithoutanymethodsD.aclasstobeusedasadatatype8.Whatisthepurposeofafirewallinacomputernetwork?A.TopreventunauthorizedaccesstoanetworkB.ToincreasethespeedofanetworkC.TostoredataonanetworkD.Tomanagethenetworktraffic9.Whichofthefollowingsortingalgorithmsisstable?A.QuicksortB.HeapsortC.MergesortD.Selectionsort10.Theoperatingsystemisresponsiblefor______.A.managingthecomputer'shardwareandsoftwareresourcesB.writingprogramsinhigh-levellanguagesC.designingtheuserinterfaceofanapplicationD.creatingdatabases答案1.C。二叉堆非常適合實(shí)現(xiàn)優(yōu)先隊(duì)列，它可以高效地完成插入和刪除操作。2.A。主鍵是數(shù)據(jù)庫(kù)表中用于唯一標(biāo)識(shí)每一條記錄的字段。3.B?？焖倥判蛟谄骄闆r下的時(shí)間復(fù)雜度是O(nlogn)。4.A。將高級(jí)編程語(yǔ)言代碼轉(zhuǎn)換為機(jī)器可讀代碼的過(guò)程稱為編譯。5.D。數(shù)據(jù)庫(kù)管理不屬于人工智能的類型，機(jī)器學(xué)習(xí)、神經(jīng)網(wǎng)絡(luò)和數(shù)據(jù)挖掘都與人工智能相關(guān)。6.A。無(wú)環(huán)的圖稱為樹(shù)。7.A。在面向?qū)ο缶幊讨?，繼承允許一個(gè)類重用另一個(gè)類的屬性和方法。8.A。防火墻的主要目的是防止未經(jīng)授權(quán)的網(wǎng)絡(luò)訪問(wèn)。9.C。歸并排序是穩(wěn)定的排序算法，而快速排序、堆排序和選擇排序是不穩(wěn)定的。10.A。操作系統(tǒng)負(fù)責(zé)管理計(jì)算機(jī)的硬件和軟件資源。二、簡(jiǎn)答題（共3題，每題10分，共30分）1.Explainthedifferencebetweenastackandaqueue.AstackisadatastructurethatfollowstheLast-In-First-Out(LIFO)principle.Elementsareaddedandremovedfromthesameend,calledthetopofthestack.Forexample,whenyoustackbooksontopofeachother,thelastbookyouputonisthefirstoneyoucantakeoff.Operationsonastacktypicallyincludepush(toaddanelement)andpop(toremoveanelement).Aqueue,ontheotherhand,followstheFirst-In-First-Out(FIFO)principle.Elementsareaddedatoneend,calledtherear,andremovedfromtheotherend,calledthefront.Itissimilartoareal-lifequeue,wherethefirstpersonwhojoinsthequeueisthefirstonetoleave.Operationsonaqueueincludeenqueue(toaddanelement)anddequeue(toremoveanelement).2.Describethebasicstepsofthesoftwaredevelopmentlifecycle(SDLC).Thesoftwaredevelopmentlifecycletypicallyconsistsofthefollowingsteps:-Requirementsgathering:Thisisthefirststepwherethedeveloperscollectinformationaboutwhatthesoftwareissupposedtodo.Theyinteractwithstakeholderssuchasclients,users,andmanagerstounderstandtheirneeds,goals,andconstraints.-Design:Basedontherequirements,thesoftwareisdesigned.Thisincludesarchitecturaldesign,wheretheoverallstructureofthesoftwareisplanned,anddetaileddesign,wheretheinternalcomponentsandtheirrelationshipsaredefined.-Implementation:Inthisstep,thesoftwareisactuallycoded.Programmersuseprogramminglanguagestowritethecodeaccordingtothedesignspecifications.-Testing:Thesoftwareistestedtofindandfixbugs.Differenttypesoftesting,suchasunittesting,integrationtesting,andsystemtesting,arecarriedouttoensurethesoftwarefunctionscorrectly.-Deployment:Oncethesoftwarepassesthetestingphase,itisdeployedtotheproductionenvironment,whereitismadeavailabletotheend-users.-Maintenance:Afterdeployment,thesoftwareneedstobemaintained.Thisincludesfixinganybugsthatarediscoveredintheproductionenvironment,makingenhancementstothesoftwarebasedonuserfeedback,andadaptingthesoftwaretochangesintheoperatingenvironment.3.Whatisthedifferencebetweenaprocessandathreadinanoperatingsystem?Aprocessisaninstanceofaprograminexecution.Ithasitsownmemoryspace,whichincludescode,data,andstack.Eachprocesshasaseparateaddressspace,andcommunicationbetweenprocessesisrelativelycomplexandusuallyinvolvesmechanismslikepipes,sockets,orsharedmemory.Processesaremanagedbytheoperatingsystem'sprocessscheduler,andtheyareindependentofeachother.Athread,ontheotherhand,isalightweightunitofexecutionwithinaprocess.Multiplethreadscanexistwithinasingleprocess,andtheysharethesamememoryspaceoftheprocess.Threadsaremorelightweightthanprocessesbecausetheydonotrequireaseparateaddressspace.Communicationbetweenthreadsiseasierandfastercomparedtoprocesses,astheycandirectlyaccessshareddatawithintheprocess.Threadsarealsoscheduledbytheoperatingsystem,andtheycanrunconcurrentlywithinaprocesstoimprovetheoverallperformanceoftheprogram.三、編程題（共1題，40分）題目WriteaPythonprogramtoimplementasimpl