◎ 题干
In his book,he explains both ______ it means to be a scientist and ______ science works.
A.how; howB.what; that
C.what; howD.how; that
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“In his book,he explains both ______ it means to be a scientist and ______ science works.A.how; howB.what; thatC.what; howD.how; that…”主要考查了你对  【状语从句】【限制性定语从句】【主语从句】【同位语从句】  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。