2. 外语
  3. Until recently the opportunities for criminal activities on the Internet have been low. However, the volume of business done on

Until recently the opportunities for criminal activities on the Internet have been low. However, the volume of business done on

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问题     Until recently the opportunities for criminal activities on the Internet have been low. However, the volume of business done on the Internet is growing rapidly such as ordering books and other products and making money transactions. All this is creating temptations for hackers.
    Hackers are often young people who are interested in computers. They use them to move quietly to the Internet, looking for ways to break into computer’s systems run by banks, telephone companies and even government departments. They look for examples of credit cards and try to steal the numbers.
    Hackers rarely admit to a successful break-in. The first indication of a hacking may be when a customer discovers a wrong money transaction on a credit card account. It is harder to check on somebody misusing an online connection unless there is a massive download of information which would call the attention of the consumer.
Which of the following is not the reason for a hacking being found?
选项 A、The customer found something wrong with his account.
B、There was a huge amount of information being downloaded.
C、There was a wrong money transaction.
D、The hacker proudly admitted his successful break-in.
答案D
解析 细节题。根据第三段可知，黑客很少承认自己成功地突破了某个系统。可能被发现的情况有：顾客发现信用卡账户上有错误的金钱交易：或是当他们从网上下载大量信息的时候，故选D。
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