阅读理解 More and more, the operations of our businesses, governments and financial institutions are controlled by information that exists only inside computer memories. Anyone clever enough to modify this information for his own purposes can reap big reward. Even worse, a number of people who have done this and been caught at it have managed to get away without punishment.
It' s easy for computer crimes to go undetected if no one checks up on what the computer is doing. But even if the crime is detected, the criminal may walk away not only unpunished but with a flowing recommendation from his former employers.
Of course, we have no statistics on crimes that go undetected. But it' s disturbing to note how many of the crimes we do know about were detected by accident, not by systematic inspections or other security procedures. The computer criminals who have been caught may have been the victims of uncommonly bad luck.
Unlike other lawbreakers, who must leave the country, commit suicide, or go to jail, computer criminals sometimes escape punishment, demanding not only that they not be charged but that they be given good recommendations and perhaps other benefits. All too often, their demands have been met.
Why? Because company executives are afraid of the bad publicity that would result if the public found out that their computer had been misused. They hesitate at the thought of a criminal boasting in open court of how he juggled(诈骗)the most confidential(保密)records tight under the noses of the company' s executives, accountants, and security staff. And so another computer criminal departs with just the recommendations he needs to continue his crimes elsewhere.
单选题 16.It can be concluded form the passage that______.
【正确答案】 D
【答案解析】从全文第一句可看出,许多公司,政府以及金融机构的运行都单单依靠电脑进行控制,所以可以推断,计算机犯罪是最严重的问题。选项D正确。从第二段第一句可知,如果没人检查电脑的运行情况,计算机犯罪是不容易被发现的。但不是说其不能够被发现。所以选项A、c都是不正确的。B项文中未提及。
单选题 17.It is implied in the third paragraph that______.
【正确答案】 C
【答案解析】从第三段第二句可知,我们现在知道的计算机犯罪都是在很偶然的情况下发现的,而不是经过系统检测或是其他安全程序。由此可以推断,计算机犯罪者可以很狡猾地隐蔽其犯罪行为。
单选题 18.Which of the following statements is mentioned in the passage?
【正确答案】 B
【答案解析】最后一段第三句提到“They hesitate…security staff.”这与B项所说的“公司通常为了保护声誉而不去揭发计算机犯罪”相符,所以B项正确。
单选题 19.What may happen to computer criminals once they are caught?
【正确答案】 B
【答案解析】从第二段第二句可看出,即使罪犯被发现了,他们不仅不受任何惩罚地离开公司,还可以从之前的老板那得到一份很好的推荐信。
单选题 20.The passage is mainly about______.
【正确答案】 A
【答案解析】主旨大意题。全文先介绍了计算机犯罪的严重性,接着介绍这些罪犯被发现后不受处罚的事实,接着分析造成这种事实的原因。所以,A项更为合适。