To improve efficiency the factory______most of its workers with robots.A、operate

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问题 To improve efficiency the factory______most of its workers with robots.

选项 A、operated
B、replaced
C、contributed
D、accomplished

答案 B

解析本题考查动词词义辨析。operate意为“操作”；contribute意为“贡献”；accomplish意为“完成”；replace意为“替换，代替”，符合句意，故选B。

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