单项选择题

According to the passage, the initial concern about computer was that they might ______.

A．change our personal lives
B．take control of the world
C．create unforeseen problem
D．affect our businesses
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单项选择题
A．problemB．priceC．lifeD．use
A．problem
B．price
C．life
D．use
单项选择题
What does the word malfunction mean in paragraph 1
A．失误
B．制造
C．影响
D．事情
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