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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热门试题

单项选择题

The author thinks that the invention of the computer is a revolution in that______.

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

单项选择题

The author bases the passage on his or her______the nature of technology.

A．keen insight into
B．prejudiced criticism about
C．unrealistic analysis on
D．exaggerated description about