18春西南大学0089]《专业英语》

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4、toftownfortwoweeks.c■needn'thaveseen匚■musthaveseen-c■can'thaveseen■mighthaveseen9、Theabilitytostoreknowledgemakescomputersdifferentfromeveryothermachineinvented.A)everB)thusC)yetD)asc■ever9c■thusc■yetc■asThefifthgenerationcomputer

5、s,withartificialintelligence,andperfectednow.匚■developed匚■havedevelopedc■arebeingdevelopedc•willhavebeendeveloped11、isanelectronicpaymentsystemdevelopedbyDr.DavidChaum,whoiswidelyregardedasaninventorofdigitalcash.c■DigiCash■E-cashc■AandB匚■AorB12.Transactionchangedtoyourtel

6、ephonebillarecalledc■virtualpinpaymentsc■Internet-billpayments・c■creditcardpaymentsc•E-chargepayments>13.arecardsthatlooklikecreditcards,butstoreinformationonamicroprocessorchipinsteadofmagneticstrips.c■Magneticcards・c■Smallcards匚■Creditcards匚■Smartcards14>PaypaLcomisafree

7、servicethatearnsaprofitonthe,whichismoneythatisdepositedinPayPalaccounts.c■Floatc■commissionc■scripc■transactioncost-15.7.Thisticketyoutoafreemealinournewrestaurant.c■A.entitles:c■grantsc■givesc■credits16.乙Programthatcandestroyanothercomputer'sprogramsarecalledbugsbugscvir

8、usesgames17>Dataandprograminstructionsarestoredin匚D.outputctheprocessorcstorageVcprogram1