2019年西南大学春季[0089]《专业英语》辅导答案

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1、1、AVPNisphysically           butvirtually           1. noneoftheabove2. public;hybrid3. private;public4. public;private  2、1.             isasecureprotocoljointlydesignedbyMastercardandVisawiththebackingofMicrosoft,Netscape,IBM,GTE,SAIC,andothercompanies.1. SSL2. TCP3. SET

2、  4. IP3、 Thephysicalcomponentsofacomputerarecollectivelycalled_________.1. hardware  2. software3. memory4. boards4、2.Thetermpaymentcardrefersto     1. B.Chargecard2. Creditcard1. AandBonly  2. Chargecard5、Thefifthgenerationcomputers,withartificialintelligence,______andpe

3、rfectednow.1. C.willhavebeendeveloped2. developed3. arebeingdeveloped  4. havedeveloped6、Thebasicinputdeviceonasmallcomputerisa________.1. keyboard  2. printer3. Adisplayscreen4. cardreader7、You______herinherofficelastFriday;she'sbeenoutoftownfortwoweeks.1. needn’thaveseen

4、2. musthaveseen  3. can'thaveseen4. mighthaveseen8、Theabilitytostoreknowledgemakescomputersdifferentfromeveryothermachine______invented.A)everB)thusC)yetD)as1. ever  2. thus3. yet4. as9、Thefifthgenerationcomputers,withartific

5、ialintelligence,______andperfectednow.1. developed2. havedeveloped3. arebeingdeveloped  4. willhavebeendeveloped10、      isanelectronicpaymentsystemdevelopedbyDr.DavidChaum,whoiswidelyregardedasaninventorofdigitalcash.1. DigiCash2. E-cash3. AandB4. AorB  11、Transactionchan

6、gedtoyourtelephonebillarecalled           1. virtualpinpayments1. Internet-billpayments.2. creditcardpayments3. E-chargepayments  12、       arecardsthatlooklikecreditcards,butstoreinformationonamicroprocessorchipinsteadofmagneticstrips.1. Magneticcards.2. Smallcards3. Cred

7、itcards4. Smartcards  13、Paypal.comisafreeservicethatearnsaprofitonthe          ,whichismoneythatisdepositedinPayPalaccounts.1. Float2. commission3. scrip4. transactioncost  14、7.Thisticket______youtoafreemealinournewrestaurant.1. A.entitles  2. grants3. gives4. credits15、

8、2.Programthatcandestroyanothercomputer’sprogramsarecalled______.1. bugs2. bugs3. viruses