大学英语六级考试真题模拟和答案第三套Word格式.docx
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大学英语六级考试真题模拟和答案第三套Word格式.docx
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听力同第二套
PartIII
SectionA
Questions36to45arebasedonthefollowingpassage.
Travelwebsiteshavebeenaroundsincethe1990s,whenExpedia,Travelocity,andotherholidaybookingsiteswerelaunched,allowingtravelerstocompareflightandhotelpriceswiththeclickofamouse.Withinformationnolonger36____bytravelagentsorhiddeninbusinessnetworks,thetravelindustrywasrevolutionized,asgreatertransparencyhelped37____prices.
Today,theindustryisgoingthroughanewrevolution—thistimetransformingservicequality.Onlineratingplatforms—38____inhotels,restaurants,apartments,andtaxis—allowtravelerstoexchangereviewsandexperiencesforalltosee.
Hospitalitybusinessesarenowranked,analyzed,andcomparednotbyindustry39____,butbytheverypeopleforwhomtheserviceisintended—thecustomer.Thishas40____anewrelationshipbetweenbuyerandseller.Customershavealwaysvotedwiththeirfeet;
theycannowexplaintheirdecisiontoanyonewhoisinterested.Asaresult,businessesaremuchmore41____,ofteninveryspecificways,whichcreatespowerful42____toimproveservice.
Althoughsomereadersmightnotcareforgossipyreportsofunfriendlybellboys(行李员)inBerlinormalfunctioninghotelhairdryersinHouston,thetruepowerofonlinereviewsliesnotjustintheindividualstories,butinthewebsites'
43____toaggregatealargevolumeofratings.
Theimpactcannotbe44____.Businessesthatattracttopratingscanenjoyrapidgrowth,asnewcustomersareattractedbygoodreviewsand45____provideyetmorepositivefeedback.Sogreatistheinfluenceofonlineratingsthatmanycompaniesnowhiredigitalreputationmanagerstoensureafavorableonlineidentity.
A)accountableB)capacityC)controlledD)entail
E)forgedF)incentivesG)occasionallyH)overstated
I)persistingJ)pessimisticK)professionalsL)slash
M)specializingN)spectatorsO)subsequently
SectionB
PlasticSurgery
Abettercreditcardisthesolutiontoeverlargerhackattacks
[A]Athinmagneticstripe(magstripe)isallthatstandsbetweenyourcredit-cardinformationandthebadguys.Andthey'
vebeenworkinghardtobreakin.That'
swhyisshapingupasamajorshowdown:
banks,lawenforcementandtechnologycompaniesarealltryingtostopanetworkofhackerswhoaresucceedinginstealingaccountnumbers,names,emailaddressesandothercrucialdatausedinidentitytheft.Morethan100millionaccountsatTarget,NeimanMarcusandMichaelsstoreswereaffectedinsomewayduringthemostrecentattacks,startinglastNovember.
[B]Swipe(刷卡)istheoperativeword:
cardsareincreasinglyvulnerabletoattackswhenyoumakepurchasesinastore.Inseveralrecentincidents,hackershavebeenabletoobtainmassiveinformationofcredit-,debit-(借记)orprepaid-cardnumbersusingmalware,i.e.malicioussoftware,insertedsecretlyintotheretailers'
point-of-salesystem—thecheckoutregisters.Hackersthensoldthedatatoasecondgroupofcriminalsoperatinginshadowycomersoftheweb.Notlongafter,thestolendatawasshowinguponfakecardsandbeingusedforonlinepurchases.
[C]Thesolutioncouldcostaslittleas$2extraforeverypieceofplasticissued.ThefixisasecuritytechnologyusedheavilyoutsidetheU.S.WhileAmericancreditcardsusethe40-year-oldmagstripetechnologytoprocesstransactions,muchoftherestoftheworldusessmartercardswithatechnologycalledEMV(shortforEuropay,MasterCard,Visa)thatemploysachipembeddedinthecardplusacustomerPIN(personalidentificationnumber)toauthenticate(验证)everytransactiononthespot.IfapurchaserfailstopunchinthecorrectPINatthecheckout,thetransactiongetsrejected.(Onlinepurchasescanbemadebysettingupaseparatetransactioncode.)
[D]Whyhaven'
tbigbanksadoptedthemoresecuretechnology?
Whenitcomestomailingoutnewcreditcards,it'
sallaboutrelativecosts,saysDavidRobertson,whorunstheNihonReport,anindustrynewsletter:
"
Thecostofthecard,puttingthestickeronit,codingtheaccountnumberandexpirationdate,embossing(凸印)it,thesmallenvelop—allputtogether,youareinthedollarrange."
Achip-and-PINcardcurrentlycostscloserto$3,saysRobertson,becauseofthepriceofchips.(Oncelargeissuersconverttogether,thechipcostsshoulddrop.)
[E]Multiply$3bythemorethan5billionmagstripecreditandprepaidcardsincirculationintheU.S.Thenconsiderthatthere'
sanestimated$12.4billionincardfraudonaglobalbasis'
saysRobertson.With44%ofthatintheU.S.,Americancredit-cardfraudamountstoabout$5.5billionannually.CardissuershavesofarcalculatedthatabsorbingtheliabilityforevenbighacksliketheTargetoneisstillcheaperthanreplacingallthatplastic.
[F]ThatleavesAmericanretailer
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