四级模拟题及答案 三.docx

四级模拟题及答案 三.docx

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四级模拟题及答案三

大学英语4级考试

CollegeEnglishModelTestThree

—BandFour—

PartⅠWriting（30minutes）

Directions:

Forthispart,youareallowedthirty　minutestowritealettertoyourAmericanfriend　Lawrence,tointroduceSpringFestivalinChinaand　invitehimtojoinyoutospendthisSpringFestival.　SupposeyouareYuanChao.Youshouldwriteatleast　120wordsfollowingthesuggestionsgivenbelowin　Chinese:

1.表达你对Lawrence的想念之情；

2.介绍中国的春节；

3.邀请Lawrence和你们一起过春节。

提示:

在实考试卷中，该试题在答题卡1上。

ALettertoLawrence

September23,2005

DearLawrence,

Yours,

YuanChao

PartⅡReadingComprehension（SkimmingandScanning）（15minutes）

Directions:

Inthispart,youwillhave15minutestogooverthepassagequicklyandanswerthequestionsonAnswerSheet1.Forquestions1-7,mark

Y（forYES）ifthestatementagreeswiththeinformationgiveninthepassage;

N（forNO）ifthestatementcontradictstheinformationgiveninthepassage;

NG（forNOTGIVEN）iftheinformationisnotgiveninthepassage.

Forquestions8-10,completethesentenceswithinformationgiveninthepassage.

ComputerCrime

Acomputercrimeisgenerallydefinedasonethatinvolvestheuseofcomputersandsoftwareforillegalpurposes.Thisdoesn’tmeanthatallthecrimesarenewtypesofcrime.Onthecontrary,manyofthesecrimes,suchasembezzlementoffunds,thealterationofrecords,theft,vandalism,sabotage,andterrorism,canbecommittedwithoutacomputer.Butwithacomputer,theseoffensescanbecarriedoutmorequicklyandwithlesschancethatthepersonresponsibleforthecrimewillbediscovered.

Computercrimesareontheriseandhavebeenforthelasttwelveyears.JusthowmuchthesecomputercrimescosttheAmericanpublicisindispute,butestimatesrangefrom＄3billionto＄5billionannually.EventheFBI,whichattemptstokeeptrackofthegrowthordeclineofallkindsofcrimes,isunabletosaypreciselyhowlargealossisinvolved;however,itestimatesthattheaveragetakefromacompanyhitbycomputercrimeis＄600,000.Anumberofreasonsaregivenfortheincreaseincomputercrime:

（A）morecomputersinuseand,thus,morepeoplewhoarefamiliarwithbasiccomputeroperation;（B）morecomputerstiedtogetherinsatelliteandotherdata—transmissionnetworks;and（C）theeasyaccessofmicrocomputerstohugemainframedatabases.

TheCriminal

Moviesandnewspaperstoriesmightleadustobelievethatmostcomputercrimesarecommittedbyteenage“hackers”—brilliantandbasicallygoodchildrenwholettheirimaginationandtechnicalgeniusgetthemintotrouble.Butarealisticlookatthecrimesrevealsthattheoffenderislikelytobeanemployeeofthefirmagainstwhichthecrimehasbeencommitted,i.e.,an“insider”.

DifficultyofDetectionandPrevention

Giventhekindofpersonwhocommitsacomputercrimeandtheenvironmentinwhichthecrimeoccurs,itisoftendifficulttodetectwhothecriminalis.Firstofall,thecrimemaybesocomplexthatmonthsoryearsgobybeforeanyonediscoversit.

Second,oncethecrimehasbeenrevealed,itisnoteasytofindacleartrailofevidencethatleadsbacktotheguiltyparty.Afterall,lookingfor“weapons”orfingerprintsdoesnotoccurasitmightintheinvestigationofmoreconventionalcrimes.

Third,thereareusuallynowitnessestothecomputercrime,eventhoughitmaybetakingplaceinaroomfilledwithpeople.Whoistosayifthepersonatthenextterminal,calmlykeyingindata,isdoingthecompany’sworkorcommittingacriminalact?

Fourth,notenoughpeopleinmanagementandlawenforcementknowenoughaboutcomputertechnologytopreventthecrimes.Authoritieshavetobefamiliarwiththecomputer’scapabilitieswithinagivensituationtoguardagainstitsmisuses.Insomelargecities,suchasLosAngeles,policedepartmentshavesetupspeciallytrainedcomputercrimeunits.

Butevenwhenanoffenderiscaught,theinvestigators,attorneys（律师）,judges,orjuriesmayfindtheallegedcrimetoocomplicatedandperplexingtohandle.Moreattorneysarespecializingincomputerlawandstudyingthecomputer’spotentialformisuse.

Afteracomputercrimehasbeendiscovered,manycompaniesdonotreportitorprosecute（起诉）thepersonresponsible.Acompanymaynotannouncethecrimeoutoffearthatthepubicwillfindouttheweaknessesofitscomputersystemandloseconfidenceinitsorganization.Banks,creditcardcompanies,andinvestmentfirmsareespeciallysensitiveaboutrevealingtheirvulnerabilities（脆弱性）becausetheyrelyheavilyoncustomertrust.

Toavoidpublicattention,cautiouscompanieswilloftensettlecasesofcomputertamperingoutofcourt.Andifcasesdogototrialandtheoffendersareconvicted,theymaybepunishedonlybyafineorlightsentencebecausethejudgeorjuryisn’tfullytrainedtounderstandthenatureandseriousnessofthecrime.

Notallcompaniesaretimidinapprehendingcomputercriminals.Forexample,ConnecticutGeneralLifeInsuranceCompanydecidedithadtogettoughonviolators.Sowhenthecompanydiscoveredthatoneofitscomputertechnicianshadembezzled＄200,000byenteringfalsebenefitclaims,itpresenteditfindingstothestate’sattorneyandaidedintheprosecutionofthetechnician.Thetechnicianwasfoundguiltyandsentencedtoprison,notjustforthecomputermisuse,butalsoforgrandtheftandinsurancefraud.ConnecticutGeneralnowhasapolicyofreportingallincidentsoftheftorfraud,nomatterhowsmall.

提示:

在实考试卷中，8-10题在答题卡1上。

1.TheFBIknowsexactlyhowlargealossisinvolvedincomputercrimes.

2.Ithasbecomeeasyformicrocomputerownerstousehugemainframedatabases.

3.ItisimpliedintheParagraph3thatmostcomputercriminalsaretheemployeesoftheconcernedcompanies.

4.Manycompaniesdontreportcomputercrimesbecauselawproceduresagainstcomputercrimesusuallycostalotofmoney.

5.Whencomputercrimetakesplaceinaroomfilledwithpeople,thereareusuallymanywitnessestothecrime.

6.ThepassageismainlyabouttheincreaseofcomputercrimesinAmericaandthedifficultiesincombatingcomputercrimes.

7.Computercrimesareontherisebecausemorecheapmicrocomputersareavailable.

8.Accordingtothepassage,computercrimeshasbeenontheriseforthe

lastyears.

9.ConnecticutGeneralLifeInsurancecompanyiscitedasofcompaniesthattookseriousmeasurestofightagainstcomputercrimes.

10.Banks,creditcardcompanies,andinvestmentfirmsareespeciallysensitiveaboutrevealingtheirvulnerabilitiesbecausetheyplacetoomuchrelianceon.

PartⅢListeningComprehension（35minutes）

SectionA

Directions:

Inthissection,youwillhear8shortconversationsand2longconversations.Attheendofeachconversation,oneormorequestionswillbeaskedaboutwhatwassaid.Boththeconversationandthequestionswillbespokenonlyonce.Aftereachquestiontherewillbeapause.Duringthepause,youmustreadthefourchoicesmarkedA）,B）,C）andD）,anddecidewhichisthebestanswer.ThenmarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.

11A）Shewontletherfriendborrowthecar.B）Shewillshopforacar.

C）Shehasagoodcar.D）Shewilllendhercartoherfriend.

12A）Shehasn’theardfromtheprofessorinaweek.

B）Theclasshasextratimetocompletetheassignment.

C）Sheonlyjustfoundoutabouttheeconomicspaper.

D）Shewon’tseetheprofessoruntilnextweek.

13A）Herbackhandisalmostperfect.

B）Thetimethemanspentpracticinghashelpedhim.

C）Theman’smotherwantedhimtopractice.

D）Hermotherisagoodtenniscoach.

14A）Boardthetrain.B）Sendafax.

C）Changehisdeparturetime.D）Havebreakfast.

15A）Heturnedacornersofast.B）Heranaredlight.

C）Hewentthroughastopsign.D）Hewasspeeding.

16A）Eachpersonwillbeallowedtobuyonlyoneticket.

B）Theticketswillselloutquickly.

C）Therockconcertwillprobablyberescheduled.

D）Therewillbeextratickets.

17A）Theydidn’tgetwet.B）They’relatefortheconcert.

C）Theyprefertodresscasually.D）They’rereallylookingforwardtotheconcert.

18A）Shewasworkingonatrainschedule.B）Shedidn’tgethomeuntilaftermidnight.

C）Shewasbusywithherguestsallevening.D）Shelefttoolatetocatchthetrain.

Question19to22arebasedontheconversationyouhavejustheard.

19.A）Howdifferentkindsofpepperareproduced.B）Whywhitepepperissuperiortoblackpepper.

C）Howthepepperplantisgrown.D）Howvariouspeppersareusedincooking.

20.A）Hereadaboutitinacookbook.B）Hegrowshisownherbsandspices.

C）Heheardaboutitfromafriend.D）Hestudieditincookingschool.

21.A）It’spreservedinliquid.B）Theskinisremoved.

C）It’sdriedinthesun.D）It’sfreeze—dried.

22.A）It’smorepurethanothertypesofpepper.B）Ithelpsmaintainthecolorofcertaindishes.

C）Ithasafruityflavor.D）It’seasiertogrow.

Question23to25arebasedontheconversationyouhavejustheard.

23.A）Astoryinprose.B）Apoemthatrhymes.

C）Atranslationofashortliterarywork.D）Ajournalabouttheprocessofwriting.

24.A）Theclasshasbeenassignedtoreadit.

B）HewasabletoreaditinFrench.

C）Heisn’tsureit’savailableinEnglish.

D）Hethinksit’sanexampleofwhattheprofessorwants.

25.A）It’spronounceddifferentlyinFrenchthanitisinEnglish.

B）TowritewithoutusingitisdifficultbothinEnglishandinFrench.

C）EverywordintheFrenchauthor’sbookcontainedit.

D）It’scommonlyusedinEnglishtomakepoetryrhyme.

SectionB

Directions:

Inthissection,youwillhear3shortpassages.Attheendofeachpassage,youwillhearsomequestions.Boththepassageandthequestionswillbespokenonlyonce.After