单项选择题

Which of the following conclusions is best supported by the second paragraph

A．Robot does not last long.
B．The early men made toys themselves.
C．Man has always had a desire to make a copy of himself.
D．The materials for making a copy of man are limite
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单项选择题
From the third paragraph, we can know that ______ .
A．there has not been a true humanlike robot yet
B．computers in the robots are expensive
C．robots may do what they are told
D．robots have been designed to work independently
单项选择题
According to the passage, why has human intelligence not been copied in the making of a robot
A．Computers can only do mathematical problems better than human beings.
B．Technology is not advanced enough to copy how human minds work.
C．Scientists are satisfied to have the robot with senses of sight and touch.
D．Robots with human intelligence will be dangerous to human beings.
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