s="" easy="" for="" computer="" crimes="" to="" go="" undetected="" if="" no="" one="" checks="" up="" on="" what="" the="" is="" doing.="" but="" even="" crime="" detected,="" criminal="" may="" walk="" away="" not="" only="" unpunished="" with="" a="" glowing="" 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 be the victims of uncommonly bad luck.For example, a certain keypunch operator complained of having to stay overtime to punch extra cards. Investigation revealed that the extra cards she was being asked to punch were for dishonest transactions. In another case, dissatisfied employees or the thief tipped off the company that was being robbed.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 the most confidential records right 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.1.It can be concluded from the passage that （ ）.2.It is implied in the third paragraph that （ ）.3.Which of the following is mentioned in the passage?4.What may happen to computer criminals once they are caught?5.The passage is mainly about（ ）.'>

More and more, the operation of our business, governments, and financial institutions are controlled by information that exists only inside computer memories. Anyone clever enough to modify this information for his own purpose can reap substantial rewards. 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 glowing 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 be the victims of uncommonly bad luck.For example, a certain keypunch operator complained of having to stay overtime to punch extra cards. Investigation revealed that the extra cards she was being asked to punch were for dishonest transactions. In another case, dissatisfied employees or the thief tipped off the company that was being robbed.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 the most confidential records right 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.1.It can be concluded from the passage that （ ）.2.It is implied in the third paragraph that （ ）.3.Which of the following is mentioned in the passage?4.What may happen to computer criminals once they are

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    Libraries are in some way the best evidence we have of civilization. In them is the accumulated knowledge of the ages. The core of a college or university is its library. Schools are spoken highly of for the size and effectiveness of their libraries. Since libraries go on indefinitely and survive even the oldest teachers, they are full of very old books.It is easy to think of a library as a place where a lot of old books sit unused on the shelf. On the other hand, libraries can be thought of as extremely timely and up to date. They have current books, magazines, newspapers, and other materials that would be very expensive and space-consuming if you were to subscribe to them all. Many libraries have extensive collections of non-book materials as well, including large recorded music collections.The best way to use a library is to have some idea of how it is organized. Then you can use the people in the library as efficiently as possible. It is the staff of the library that really makes it work. They know where to find the information you need. You should be aware that different people in the library have different jobs. They range from highly trained reference librarians to part-time clerical help who probably don't know much beyond their specific job. The first thing to do if you are looking for information on a particular topic is to find the right person to help you.Approach one of the library staff members (preferably one behind the desk in the reference section), and say “Are you a reference librarian?” If you get an affirmative answer, then explain what you are looking for and, if appropriate, why you are looking for it. The reference librarian can then make a professional judgment about what materials to lead you to. People differ, of course, but generally reference librarians are eager to demonstrate the special training and knowledge they have. Many will really go all out to help you.1.A university may be regarded as a nice one because of （ ）.2.If you want to get some information on a particular topic, you'd better （ ）.3.Which one of the following statements is true according to the passage?4.If you'd like to make full use of the library, your priority is （ ）.5.All of the following may be correct EXCEPT（ ）.



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