单项选择题

Questions 14～16 are based on the talk. You now have 15 seconds to read Questions 14～16.
What is the most common type of computer network used in companies

A．The databases of information.
B．The public access networks.
C．The super computer networks.
D．Intranets.
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单项选择题
Which of the following is true about the Internet according to the talk
A．The Internet is different from television in which it’s more convenient.
B．The Internet may greatly affect the ways of college education and business.
C．The Internet is the cheapest way of communication with other people.
D．The Internet is composed of many computers.
单项选择题
What seems to be the problem with the man
A．He overworks.
B．He has a cold.
C．He does not stay at home often enough.
D．The work he does.
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