2. 外语
  3. Given the advantage of electronic money, you might think that we should move quickly to the cashless society in which all paymen

Given the advantage of electronic money, you might think that we should move quickly to the cashless society in which all paymen

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问题     Given the advantage of electronic money, you might think that we should move quickly to the cashless society in which all payments are made electronically【C1】______, a true cashless society is probably not around the corner. Indeed, predictions have been【C2】______for two decades but have not yet come to fruition. For example, Business Week predicted in 1975 that electronic means of payment would soon "revolutionize the very【C3】______of money itself," only to【C4】______itself several years later. Why has the movement to a cashless society been so【C5】______in coming?
    Although electronic means of payment may be more efficient than a payments system based on paper, several factors work【C6】______the disappearance of the paper system. First, it is very【C7】______to set up the computer, card reader, and telecommunications networks necessary to make electronic money the【C8】______form of payment. Second, paper checks have the advantage that they【C9】______receipts, something that many consumers are unwilling to【C10】______. Third, the use of paper checks gives consumers several days of "float" — it takes several days【C11】______a check is cashed and funds are【C12】______from the issuer’s account, which means that the writer of the check can earn interest on the funds in the meantime.【C13】______electronic payments are immediate; they eliminate the float for the consumer.
    Fourth, electronic means of payment may【C14】______security and privacy concerns. We often hear media reports that an unauthorized hacker has been able to access a computer database and to alter information【C15】______there. The fact that this is not an【C16】______occurrence means that dishonest persons might be able to access bank accounts in electronic payments systems and【C17】______from someone else’s accounts. The【C18】______of this type of fraud is no easy task, and a new field of computer science is developing to【C19】______security issues. A further concern is that the use of electronic means of payment leaves an electronic【C20】______that contains a large amount of personal data. There are concerns that government, employers, and marketers might be able to access these data, thereby violating our privacy.
【C11】
选项 A、before
B、after
C、since
D、when
答案A
解析 本题考查逻辑关系(时间连词)(before在……之前；after在……之后；since自从；when当……的时候)。本题所在的句子是来解释“float”的，空格前面意为“需要花几天”，后半句意为纸支票兑现。因此，在支票兑现之前需要几天的时间，此处选择before是正确的。
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