大学英语CET4.docx
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大学英语CET4
之
2011年12月大学英语四级
全真预测试题四及答案解析
2011年12月大学英语四级全真预测试题四及答案解析
一、选词填空题
第1题:
Itseemsyoualwaysforget—yourreadingglasseswhenyouarerushingtowork,yourcoatwhenyouaregoingtothecleaners,yourcreditcardwhenyouareshopping...
Suchabsent-mindednessmaybe1toyou;nowBritishandGermanscientistsaredevelopingmemoryglassesthatrecordeverythingthe2sees.
Theglassescanplaybackmemorieslatertohelpthewearerrememberthingstheyhaveforgottensuchaswheretheylefttheirkeys.Andtheglassesalso3theuserto"label"itemssothatinformationcanbeusedlateron.Thewearercouldwalkaroundanofficeorafactoryidentifyingcertain4bypointingatthem.Objectsindicatedarethengivena5labelonascreeninsidetheglassesthattheuserthenfillsin.
Itcouldbeusedin6plantsbymechanicslookingtoidentifymachinepartsorbyelectricianswiringa7device.
Aspokesmanfortheprojectsaid:
"Acarmechanicfor8couldfindataglancewhereapartonacertaincarmodelissothatitcanbeidentifiedandrepaired.Forthemotoristthesystemcould9accidentblackspotsordangersontheroad."
Inothercasestheglassescouldbewornbypeoplegoingonaguidedtour,10pointsofinterestorbypeoplelookingatpanoramaswhereallthesitescouldbeidentified.
[A]allow
[B]instance
[C]blank
[D]industrial
[E]frustrating
[F]items
[G]indicating
[H]highlight[I]user
[J]complicated
[K]white
[L]annoying
[M]successful
[N]articles
[O]simple
【参考答案】:
略
二、阅读理解
第2题:
WhatmakesAmericansspendnearlyhalftheirfooddollarsonmealsawayfromhome?
TheanswerslieinthewayAmericanslivetoday.Duringthefirstfewdecadesofthetwentiethcentury,cannedandotherconveniencefoodsfreedthefamilycookfromfull-timedutyatthekitchenrange.
Then,inthe1940s,workinthewartimedefenseplantstookmorewomenoutofthehomethateverbefore,settingthepatternoftheworkingwifeandmother.Unlessfamilymemberspitchinwithfoodpreparation,womenarenotfullyliberatedfromthatchore.
It'seasiertopickupabucketoffriedchickenonthewayhomefromworkortakethefamilyoutforpizzasorburgersthantostartopeningcansorheatingupfrozendinnersafteralong,hardday.Alsonowadays,therisingdivorceratemeansthattherearemoresingleworkingparentswithchildrentofeed.Andmanyyoungadultsandelderlypeople,aswellasunmarriedanddivorcedmaturepeople,livealoneratherthanasapartofafamilyunitanddon'twanttobothercookingforone.Fastfoodisappealingbecauseitisfast,itdoesn'trequireanydressingup,itoffersa"fun"breakinthedailyroutine,andtheoutlayofmoneyseemssmall.Itcanbeeateninthecar-sometimespickedupatadrive-inwindowwithoutevengettingout-orontherun.Evenifitisbroughthometoeat,therewillneverbeanydirtydishestowashbecauseofthehandydisposablewrappings.Children,especially,lovefastfoodbecauseit'sfingerfood,nostrugglingwithknivesandforks,noannoyinginstructionsfromadultsabouttablemanners.
1.Americansenjoyfastfoodmainlybecause________.
[A]itcanbeeateninthecar
[B]itismuchmoretastythanhome-madefood
[C]oneonlyuseshisfingerswhileeatingit
[D]itistime-savingandconvenient
2.Itcanbeinferredthatchildren________.
[A]wanttohavefreedomattable
[B]washdishesaftereachmeal
[C]arenotgoodatusingforksandkniveswhileeating
[D]takeeatingtimeasafunbreak
3.ManyAmericansareeatingoutandnotcookingathomenowadaysbecause________.
[A]theywanttomakeachangeaftereatingthesamefoodforyearsathome
[B]thefoodmadeoutsidehometastesbetterthanfoodcookedathome
[C]manyofthemlivealoneordon'tliketakingtroubletocook
[D]Americanwomenrefusetocookathomeduetowomen'sliberationmovement
4.Accordingtothetext,adrive-inwindowisa________.
[A]carwindowfromwhichyoucanseethedriver
[B]windowintherestaurantfromwhichyougetyourmealinthecar
[C]placewhereyoucheckthemechanicconditionofyourcar
[D]entrancewhereyoureturntheusedplatesaftereating
5.Theexpression"pitchinwith"(Line2,Para.2)probablymeans________.
[A]complain
[B]enjoy
[C]help
[D]deny
1小题>、【正确答案】:
D
2小题>、【正确答案】:
C
3小题>、【正确答案】:
C
4小题>、【正确答案】:
B
5小题>、【正确答案】:
C
【参考解析】:
无
第3题:
InfraGardisagrass-rootsefforttorespondtotheneedforcooperationandcollaborationincounteringthethreatofcybercrimeandterrorismtoprivatebusinessesandthegovernment.BytheendofSeptember,therewillbeInfraGardchaptersinall50states,Callowaysaid.WithadvicefromtheFBI,eachlocalchapterwillberunbyaboardofdirectorsthatincludesmembersofprivateindustry,theacademiccommunityandpublicagencies.Bands,utilities,andotherbusinessesandgovernmentagencieswilluseasecureWebsitetoshareinformationaboutattemptstohackintotheircomputernetworks.Memberscanjointhesystemfree.Akeyfeatureofthesystemisatwo-prongedmethodofreportingattacks.
A"sanitized"descriptionofahackingattemptorotherincident-onethatdoesn'trevealthenameorinformationaboutthevictim-canbesharedwiththeothermemberstospottrends.ThenamoredetaileddescriptionalsocanbesenttotheFBI'scomputercrimesunittointerfereiftherearegroundsforaninvestigation.Cybercrimehasjumpedinrecentyearsacrossthenation,particularlyinhotbedsoffinancialcommerceandtechnologylikeCharlotte."Tenyearsago,allyouneededtoprotectyourselfwasasafe,afenceandsecurityofficers,"saidChrisSwecker,whoisinchargeoftheFBI'sCharlotteoffice."Nowanybusinesswithamodemissubjecttoattack."FBIagentsinvestigatecomputerhackingthatdisruptedpopularWebsitesincludingAmazon.com,CNNandYahoo!
severalNorthCarolinavictimshavebeenidentifiedthisyear.TheinvestigationhasalsoidentifiedcomputersystemsinNorthCarolinausedbyhackerstocommitsuchattacks.Prosecutionsofhackershavebeenhamperedbythereluctanceofcompaniestoreportsecurityintrusionsforfearofbadpublicityandlostbusiness.Meanwhile,toomanycorporationshavemadeittooeasyforcriminalsbysacrificingsecurityforspeedandaccessibility.JackWiles,whowillleadthelocalInfraGardchapter'sboard,saidarecentreportestimated97percentofallcybercrimegoesundetected.Wiles,acomputersecurityexpert,hasafirewallonhispersonalcomputertopreventhackersfromgettingintohisfiles."Igetatleastonereportadaythatsomebodywastryingtogetintomycomputer,"hesaid,"theNetisawonderfulplace,butit'salsoadangerousone."
1.Fromthefirstparagraph,weknow________.
[A]InfraGardisaprotectivemeasureagainstcybercrime
[B]InfraGardisameasureofcooperationandcollaboration
[C]therewillbe50InfraGardchaptersinallstates
[D]privatebusinessandthegovernmentarenowcommittingcybercrime
2.EachlocalchapterofInfraGardwillberunbythefollowingEXCEPT________.
[A]academiccommunities
[B]publicagencies
[C]FBI
[D]privateindustry
3.Bysaying"toomanycorporations...speedandaccessibility"(Lines3~4,Para.3),theauthormeans________.
[A]toomanycorporationstakenonoticeofthesecurityproblemofcomputers
[B]criminalsaresacrificingsecurityforspeedandaccessibility
[C]it'sveryeasytosacrificesecurityforspeedandaccessibility
[D]manycompaniessufferfromcomputerhackingbecausetheyvaluespeedandaccessibilitymorethansecurity
4.AllthefollowingarereasonsfortheriseincybercrimeEXCEPT________.
[A]victimswon'treportintrusionsbyhackers
[B]victimshavenofirewalls
[C]theuseofmodemisincreasing
[D]companiesdon'tpayenoughattentiontosecurity
5.Itcanbeconcludedfromthepassagethat________.
[A]notallhackingattemptsareworthyofinvestigation
[B]informationofthevictimsisinaccessible
[C]InfraGardchapterswillbeineffectbytheendofSeptember
[D]Awasoftendisruptedbyhacking
1小题>、【正确答案】:
C
2小题>、【正确答案】:
C
3小题>、【正确答案】:
D
4小题>、【正确答案】:
B
5小题>、【正确答案】:
A
【参考解析】:
无
三、完型填空
第4题:
Today,mostcountriesintheworldhavecanals.Manycountrieshavebuiltcanalsnearthecoast,andparallel1thecoast.Eveninthetwentiethcentury,goodscanbemovedmorecheaplybyboatthanbyanyother2oftransport.These3makeitpossibleforboatstotravel4portsalongthecoastwithoutbeing5tothedangersoftheopen.Somecanals,suchastheSuezandthePanama,saveshipsweeksoftimebymakingtheir6athousandmilesshorter.Othercanalspermitboatstoreachcitiesthatarenot7onthecoast;stillothercanals8landswherethereistoomuchwater,helpto9fieldswherethereisnotenoughwater,and10waterpowerforfactoriesandmills.Thesizeofacanal11onthekindofboatsgoingthroughit.Thecanalmustbewideenoughtopermittwoofthelargestboatsusingitto12eachothereasily.Itmustbedeepenoughtoleaveabouttwofeetofwater13thekeelofthelargestboatusingthecanal.WhentheplanetMarswasfirst14throughatelescope,peoplesawthattherounddiskoftheplanetwascrises-crossedbya15ofstrangeblue-greenlines.Thesewerecalled"canals"16theylookedthesameascanalsonearth17areviewedfromanairplane.However,scientistsarenow18thattheMartianphenomenaarereallynotcanals.Thephotographs19fromspace-shipshavehelpedusto20thetruthabouttheMartian"canals".
1.