单项选择题

第一节 听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。 Where is Mr. Black

A． He is in the office.
B． He is out.
C． He is at the theatre.
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单项选择题
What does the writer think about machines with human-like ability
A．He believes they will be useful to human beings.
B．He believes that they will control us in the future.
C．He not quite sure in what way they may influence us.
D．He doesn't consider the construction of such machines possible.
单项选择题
A robot can be used to expand our frontiers when ______.
A．its intelligence and cost are beyond question
B．it is able to bear the rough environment
C．it is made as completes as the human brain
D．its architecture is different from that of the present ones
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