单项选择题

A spear or a robot has the quality of technology only when it______.

A．is used both as a cultural and a physical object
B．serves different purposes equally well
C．is utilized by man
D．can be of use to both man and animal
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单项选择题
The passage is based on the author's______.
A．keen insight into the nature of technology
B．prejudiced criticism of the role of the Industrial Revolution
C．cautious analysis of the replacement of the human mind by computers
D．exaggerated description of the negative consequences of technology
单项选择题
According to the author, the introduction of the computer is a revolution mainly because______.
A．the computer has revolutionized the workings of the human mind
B．the computer can do the tasks that could only be done by people before
C．it has helped to switch to an information technology
D．it has a great potential impact on society
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