some people in manchester, britain, will soon be paying for goods and services阅读理解答案

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1、SomepeopleinManchester,Britain,willsoonbepayingforgoodsandservices阅读理解答案　　SomepeopleinManchester,Britain,willsoonbepayingforgoodsandserviceswithso-called“smart”creditcards.Thesecardsaremoresecurethanthetraditionalmagnetic-stripversionandcanbeusedtotr

2、avelonbuses,checkbankaccountsanddoshopping.　　TheManchesterprojectisoneofthebiggestsmartcardschemesintheworld.Everytimepeopleusethecardsonabusortrain,thefareisdeducted(reduced)fromthevalueofthecard.Whentheyhavenocreditleft,thecardscanberechargedataloc

3、alshop.　　Asmartcardlooksjustlikeanormalplasticcardbutithasasiliconchipinit.Itispossibleforthesamesiliconchiptoperformanumberofdifferentfunctions,sooneplasticcardinyourpocketcoulddoalargenumberofdifferentjobs.Thecardhasmuchmorememoryspacethanamagnetic

4、-stripcard,somanymorethingscanberecordedonaretwotypesofsmartcards.Oneisthecontactcardwhichisusedinthesamewayasamagnetic-stripcard.　　Informationistransferredbyrunningthecardthroughanarrowopeninginanelectronicreader.Intheslot,electronicprobesmakecontac

5、twiththemagnetic-striporsiliconshipandreadtheinformation.Theothertypeisthecontactlesssmartcardwheretheelectronicreadercommunicateswiththecardbyshort-rangeradiowaves.Thismakesthecardquickerandmoreconvenienttousebecauseitdoesnothavetoleaveyourwallet.It

6、isalsomorereliableasitisnoteasilyinfluencedbyscratchesordirt.However,thebiggestadvantagethatsmartcardshaveovermagnetic-stripcardsisthattheyaremoresecure.Theyaremuchmoredifficulttomakethanconventionalcardsandtheyhavetobemadebyspeciallytrainedmanufactu

7、rers.Inaddition,theyhavealargenumberofextrasecurityfeaturesonthemandifasmartcardgetslostorstolenaquickphone-calltothedistributorensuresthatitsindividualnumberismadeinvalidandunreadable.Thiscanbedonemorequicklythanwithamagnetic-stripcard.　　小题1:Asmartc

8、reditcardcandomanykindsofjobsbecause____.　　A．itissmart　　B．itisaplasticcard　　C．ithasasiliconchipinit　　D．itcanberecharged　　小题2:“Thecardscanberecharged”meansthat____.　　A．thecardcanbeputintoanewchargeofelectricity　　B．thecardscanbechangedintonewones　　C．th