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    Such signs we use in the experiment Greek letters. A. as, are B. as, is C. that, are D. that, is 【查看更多】

     

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    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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     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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