【題目】Some scientists think that it will take of years to make robots do most work for humans.

A. hundreds B. hundred C. thousand D. million

【答案】A

【解析】

句意:一些科學(xué)家們認(rèn)為將花費(fèi)上百年來(lái)使機(jī)器人為人類(lèi)做更多的工作。hundred百;thousand千; million百萬(wàn)。短語(yǔ)hundreds of…表示百萬(wàn)的……,表示約數(shù);根據(jù)題意,故選A。

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