[单项选择]Passage 3 The advent of computers has brought with it a new set of opportunities for mischief (危害) and crime. Today, computers are easy to come by and many people know how computer technology works. More importantly, the growing use of computer networks can multiply a breach (破坏) of security, making larger numbers of people more vulnerable(脆弱的) than would be the case if they were using single, stand-alone computers. What’s more, computer experts agree that despite recent widespread publicity- computer viruses(病毒) are only one of many computer security problems facing the nation. The U.S. Defense Advanced Research Project Agency has requested that the Research Council’s(委员会) Computer Science and Technology Board assess(评定) the security problems posed by computer technology, see what solutions may already exist, review research efforts aimed at avoiding security problem in the future, and evaluate existing policies relevant to computer security. The study committee will
A. Computer Users.
B. Computer Viruses.
C. Computer Security.
D. Computer Networks.

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[单项选择]Passage 3 The advent of computers has brought with it a new set of opportunities for mischief (危害) and crime. Today, computers are easy to come by and many people know how computer technology works. More importantly, the growing use of computer networks can multiply a breach (破坏) of security, making larger numbers of people more vulnerable(脆弱的) than would be the case if they were using single, stand-alone computers. What’s more, computer experts agree that despite recent widespread publicity- computer viruses(病毒) are only one of many computer security problems facing the nation. The U.S. Defense Advanced Research Project Agency has requested that the Research Council’s(委员会) Computer Science and Technology Board assess(评定) the security problems posed by computer technology, see what solutions may already exist, review research efforts aimed at avoiding security problem in the future, and evaluate existing policies relevant to computer security. The study committee will
A. Computers are easily available.
B. There are many kinds of computer security problems.
C. Computer viruses are the only problem facing the computer network.
D. The growing use of computer networks can multiply a breach of security.

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[简答题] Computers have brought about many change in our life.(71){{U}}With the developing of science and technology, the use of electronic computers is growing rapidly year by year in various fields of man’s activities.{{/U}} They have been of great help in scientific research, engineering and our daily life. for example computers are sweeping the word’s office, taking with them much of the routine clerical work that secretaries do,.(72){{U}}Computers also make it possible will stay at home and work.{{/U}} (73){{U}}Computers are widely used in daily life. Because of their efficiency and convenience, computer are very popular in daily life.{{/U}} Many writer use them to write and correct articles and quiet a few people frequently communicate with each other by computer. Even small children are use them to make rapid progress in their study. Stores make use of them to keep records of their stock and send bills to their customers while office use computers to type letters and keep trac

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[填空题]Computers have brought us a (revolution)（）way of working.

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Passage 3
Government has traditionally been evaluated in terms of their effects in promoting several principles. We have seen that one of these -justice - is appropriate to the narrower definition of government as the power to punish. It is punishment, which is administered with justice, and a government, which is successful in balancing aversive consequences, is said to "maximize justice." Our practical support of such a government is probably not due to any such principle, however, but rather to the fact that a just government, in comparison with other governments, is more likely to reinforce the behavior of supporting it.
Another principle commonly appealed to a freedom. That government is said to be best which governs least. The freedom, which is, maximized by a good government is not, however, the freedom, which is at issue in a science of beha
A. the results of its proposed doctrine
B. how powerful it is when it exercises its power
C. how it is to enhance the demeanor of sanction
D. both A and C

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[单项选择]Passage Two

California has a new program called the Digital Textbook Initiative. "Starting this fall with high school math and science, we will be the first state in the nation to provide schools with a state-approved list of digital textbooks. " That was Governor Arnold Schwarzenegger in June,talking about his effort to get schools to use materials available free online. He listed reasons why he thinks digital textbooks make sense.
California approves traditional textbooks in six-year cycles. Digital ones can offer the latest information. They lighten the load of school bags. They save paper and trees, and make learning more fun and interactive. And above all, he said, they help schools with their finances.
The state has had to make severe cuts in school spending because of deep financial problems. More than six million students atten
A. It produced 16 digital textbooks.
B. It paid teachers to write digital textbooks.
C. It is financed by California state government.
D. It makes money through developing digital textbooks.

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