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    【题目】As modern equipment is being used widely，the factory________some of its workers with robots.

    A．represents B．replaces

    C．exchanges D．reduces

    【答案】B

    【解析】选B。根据句意，应使用replace sb.with...，表示“用……替换/取代某人”；represent代表；exchange交换；reduce减少。

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