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    Scientists have to work hard to keep with modern discoveries and developments. A. company B. track C. touch D. pace 【查看更多】

     

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    Scientists have to work hard to keep _____ with modern discoveries and developments.

       A. company    B. track    C. touch    D. pace

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    Scientists have to work hard to keep _____ with modern discoveries and developments.

       A. company    B. track    C. touch    D. pace

    查看答案和解析>>

    Scientists have to work hard to keep _____ with modern discoveries and developments.

             A. company       B. track       C. touch       D. pace

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    Scientists have to work hard to keep________ with modern discoveries and developments.
    [     ]
    A. company  
    B. track 
    C. touch  
    D. pace

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    Scientists have to work hard to keep _____ with modern discoveries and developments.
    [     ]
    A. company      
    B. track            
    C. touch       
    D. pace

    查看答案和解析>>


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