问答题

Energy crisis is one of the main problems facing the world today. 2. Importance of energy. 3. Conserving energy.

【参考答案】

[参考范文] Energy Crisis One of the ma......

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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
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 limited.
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