23. Which of the following is mentioned in the passage?
A) A strict law against computer crimes must be enforced.
B) Companies need to impose restrictions on confidential information.
C) Companies will guard against computer crimes to protect their reputation
D) Companies usually hesitate to uncover computer crimes.
24. What may happen to computer criminals once they are caught?
A) With a bad reputation they can hardly find another job.
B) They will be denied access to confidential records.
C) They may walk away and easily find another job.
D) They must leave the country or go to jail.
25. The passage is mainly about __________.
A) why computer crimes are difficult to detect by systematic inspections.
B) why computer criminals are often able to escape punishment
C) how computer criminals manage to get good recommendation from their former employers
D) why computer crimes can't be eliminated
Passage Two
Questions 26 to 30 are based on the following passage:
It is often claimed that nuclear energy is something we cannot do without. W e live in a consumer society where there is an enormous demand for commercial products of all kinds. Moreover, an increase in industrial production is considered to be one solution to the problem of mass unemployment. Such an increase presumes an abundant and cheap energy supply. Many people believe that nuclear energy provides an inexhaustible and economical source of power and that it is therefore essential for an industrially developing society. There are a number of other advantages in the use of nuclear energy. Firstly, nuclear power, except for accidents, is clean. A further advantage is that a nuclear power station can be run and maintained by relatively few technical and administrative staff. The nuclear reactor represents an enormous step in our scientific evolution and, whatever the antinuclear group says, it is wrong to expect a return to more primitive sources of fuel. However, opponents of nuclear energy point out that nuclear power stations bring a direct threat not only to the environment but also to civil liberties.
Furthermore, it is questionable whether ultimately nuclear power is a cheap source of energy. There have, for example, been very costly accidents in America , in Britain and, of course, in Russia. The possibility of increases in the cost of uranium(鈾) in addition to the cost of greater safety provisions could p rice nuclear power out of the market. In the long run, environmentalists argue, nuclear energy wastes valuable resources and disturbs the ecology to an extent which could bring about the destr
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