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    精英家教网 > 高中英语 > 题目详情
    Sam _____ some knowledge of the computer just by watching others working on it. 
    A．brought upB．put upC．set upD．picked up
    D

    试题分析：考查短语辨析。A抚养；张贴；C建立；D无意中学到。句意：Sam只是通过看别人怎么操作电脑，学到了一些电脑知识。故D正确。
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