◎ 题干
Flying kites, ______ some researchers point out, can not only bring about joy to us, but also promote our physical and mental health.
A.which B.what C.as D.where
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“ Flying kites, ______ some researchers point out, can not only bring about joy to us, but also promote our physical and mental health.A.whichB.whatC.asD.where…”主要考查了你对  【非限制性定语从句】  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。