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    ( ) The Gulf of Mexico is being polluted seriously. That has affected several hundred kinds of sea animals there. A. at least B. at once C. at birth D. at times 【查看更多】

     

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    The Gulf of Mexico (墨西哥湾) is being polluted seriously. That has affected _______ several hundred kinds of
    sea animals there.

    [     ]

    A. at least
    B. at once
    C. at birth
    D. at times

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    The Gulf of Mexico(墨西哥湾)is being polluted seriously．That has affected ________ several hundred kinds of sea animals there．

    [　　]
    A．

    at least

    B．

    at once

    C．

    at birth

    D．

    at times

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     The Gulf of Mexico（墨西哥湾） is being polluted seriously. That has affected _________ several hundred kinds of sea animals there.

         A. at least     B. at once     C. at birth     D. at times

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