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

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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

解析考查词汇题。句意是，为了提高效率，工厂用机器人替代了大部分工人。

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