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【题目】— What about the protection of these new machines?

— Let’s keep the surface ________ dust by putting a cover over them.

A. far from B. apart from

C. free from D. away from

【答案】C

【解析】考查介词短语辨析。A, B, D 选项的意思均为使··远离··,只有A项意思为使··免受··。根据句意“让我们盖上机器,以免蒙尘。”可知,A项正确。故选A。

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