◎ 题干
I have no idea____________ the book is __________ to your English study.
A.whether, of great valueB.if , of great value
C.that , so valueD.how , very valuable
◎ 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“I have no idea____________ the book is __________ to your English study.A.whether, of great valueB.if , of great valueC.that , so valueD.how , very valuable…”主要考查了你对  【可数名词及其单复数】【集合名词】【名词】  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。