◎ 题干
Such signs _____ we use in the experiment ______ Greek letters.

[     ]

A. as, are
B. as, is
C. that, are
D. that, is
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Such signs _____ we use in the experiment ______ Greek letters. [ ]A. as, are B. as, is C. that, are D. that, is …”主要考查了你对  【关系代词】【限制性定语从句】【主谓一致】  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。