大学英语六级考试真题模拟和答案第三套Word格式.docx

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