公共英语考试

【单选题】 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

网考网参考答案：A
网考网解析：
依据文章第三段第一行、第二行：As the intelligence of robots increase to match that of humans and as their cost declines through economies of scale we may use them to expand our frontiers．．．可以看出机器人被用来拓展领域的前提有两个：智能的提高和成本的降低。A项符合题意。 查看试题解析出处>>