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    The procedures of operating a computer have been several times, the results of which have made it much easier . A. cut down; to operate B. simplified; to be operated C. reduced; to be operated D. simplified; to operate 【查看更多】

     

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    The procedures(程序) of operating a computer have been ______ several times, the results
    of which have made it much easier _______.   
    [     ]
    A. cut down; to operate              
    B. simplified; to be operated  
    C. reduced; to be operated            
    D. simplified; to operate

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    The procedures(程序) of operating a computer have been ______ several times, the results of which have made it much easier _______.

    A. cut down; to operate                 B. simplified; to be operated 

    C. reduced; to be operated             D. simplified; to operate

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