◎ 题干
Some physics problems in this book are _________difficult for the students _________work out.
A.so; that B.not; but
C.such; thatD.too; to
◎ 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“Some physics problems in this book are _________difficult for the students _________work out.A.so; that B.not; butC.such; thatD.too; to…”主要考查了你对  【并列连词】【从属连词】  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。