Under-used computer equipment can proliferate in large companies without a system to monitor purchasing.

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问题 Under-used computer equipment can proliferate in large companies without a system to monitor purchasing.

选项 A、know
B、order
C、screen
D、watch

答案D

解析 monitor“监视”；know“知道、了解”；order“命令”；screen“屏幕”； watch“观察、察看”。

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职称英语卫生类C级

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