【題目】Faced with economic slowdown, some companies are planning to use robots to ______ human workers to reduce their labor costs.

A. compensate B. substitute

C. symbolize D. discriminate

【答案】B

【解析】

試題分析：考查動詞詞義及句意理解。句意：面對著經(jīng)濟(jì)下滑，一些公司計劃使用機器人代替人力工人來降低他們的勞動力支出。 A補償，彌補；B.以…替代； C象征；D. 差別對待，歧視，故B正確。

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