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    Be careful when you open an unknown document. It might contain the deadly virus which could entirely your computer system in a minute. A. break down B. crash C. block out D. dissolve 【查看更多】

     

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    Be careful when you open an unknown document. It might contain the deadly virus which
    could entirely ______ your computer system in a minute.   
    [     ]

    A. break down    
    B. crash    
    C. block out  
    D. dissolve

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    Be careful when you open an unknown document. It might contain the deadly virus which could entirely ______ your computer system in a minute.

    　 A. break down　 　　B. crash　 　　　　　C. block out　 　　　 D. dissolve

     

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