决胜CET4.docx

决胜CET4.docx

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决胜CET4

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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.[A