单项选择题

Human ingenuity was initially demonstrated in ______.

A．the use of machines to produce science fiction
B．the wide use of machines in manufacturing industry
C．the invention of tools for difficult and dangerous work
D．the elite' s cunning tackling of dangerous and boring work

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热门试题

单项选择题

This passage is mainly about ______.

A．how to have a sound sleep
B．what causes loss of sensations
C．what will happen if sensations were lost
D．how to lose sensations

单项选择题

According to the passage, what is beyond man's ability now is to design a robot that ______.

A．can fulfill delicate tasks like performing brain surgery
B．can interact with human beings verbally
C．can have a little common sense
D．can respond independently to a changing world