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    Scientists are racing time in order to find a cure for bird flu A.along with B.against C.around D.ahead of 【查看更多】

     

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     Scientists are racing________time in order to find a cure for bird flu.
    [     ]
    A. along with  
    B. against  
    C. around    
    D. ahead of

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    Scientists are racing________time in order to find a cure for bird flu.
    [     ]
    A．along with  
    B．against  
    C．around    
    D．ahead of

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