题目内容


Sam _____ some knowledge of the computer just by watching others working on it.
A.brought upB.looked upC.picked upD.set up
C
词组辨析题。A. brought up 养育     B. looked up 查阅     C. picked up 学会    D. set up 设立 句意:塞姆通过看别人操作学会了许多电脑知识。 根据语境选C
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