单项选择题

The job of teaching came into being mainly because of ______.

A．the development of the society
B．the explosion of information
C．the need for specialists
D．the civilization of human beings
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单项选择题
The first computer fiction was published in Canada and now computer fictions have spread in ______ countries.
A．13
B．45
C．20
D．80
单项选择题
When writing computer fictions, the writers ______.
A．think hard
B．express what they want to
C．collect materials and add details
D．describe women's sufferings and emotions
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