◎ 题干
It is said that ______ regularly is good for us, for we can know whether we are healthy or not.

[     ]

A. examined
B. examining
C. being examined
D. having examined
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“It is said that ______ regularly is good for us, for we can know whether we are healthy or not. [ ]A. examined B. examining C. being examined D. having exam…”主要考查了你对  【动名词的被动式】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。