Some scientists think that it may take ______ years to make robots look like peo
题型:不详难度:来源:
Some scientists think that it may take ______ years to make robots look like people, and do the same things as us.A.hundreds of | B.two hundreds of | C.two hundreds | D. hundreds |
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答案
A |
解析
试题分析:句意:一些科学家认为,可能需要数百年才能使机器人看起来像人一样,并且和我们做同样的事情。表示确切数字时,hundred不用复数形式,不和of连用。表示概数时,hundred必须用复数形式并且和of连用。所以选A。 |
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