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    9．Large quantities of water for cooling purpose in the only one of the plants which steel. A．has been needed, produce B．are needed, produces 20080901 C．is needed, produce D．have been needed, produce 【查看更多】

     

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    Large quantities of water ________ for cooling purpose in the only one of the plants which _________steel．


    1. A.
      has been needed, produce
    2. B.
      are needed, produces
    3. C.
      is needed, produce
    4. D.
      have been needed, produce

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    Large quantities of water ________ for cooling purpose in the only one of the plants which _________steel．

    [　　]

    A．has been needed, produce

    B．are needed, produces

    C．is needed, produce

    D．have been needed, produce

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