单项选择题

What is the passage mainly about

A．Driving to work.
B．Business management policies.
C．Computers of child-care purposes.
D．Extending the workplace by means of computers.
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单项选择题
Which of the following may be one of the problems for office employees
A．Causing expenses for lunches and clothing.
B．Taking less concentration on their work.
C．Wasting less time in traffic.
D．Being restricted to the office.
单项选择题
We can learn from the passage that Napster has been blocked by several universities because_________.
A．it was designed by a child
B．it is more dangerous than any other software
C．downloading large audio files at same time has made computer systems slow
D．it allows online users to search for almost anything
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