【題目】— 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】考查介詞短語辨析。A, B, D 選項的意思均為使··遠離··,只有A項意思為使··免受··。根據(jù)句意“讓我們蓋上機器,以免蒙塵!笨芍A項正確。故選A。

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