Sam ______ some knowledge of the computer just by watching others working on it.

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问题 Sam ______ some knowledge of the computer just by watching others working on it.

选项 A、brought up
B、looked up
C、picked up
D、set up

答案C

解析 bring up表示“培育，提出，把……带到楼上，呕吐”；look up表示“查找，改善，拜访，向上看”；pick up表示“拾起，无意地学会(技术，语言等)”；set up表示“建立，安排，引起”。由题意可知C是正确答案。句子意思为：Sam仅仅通过看别人操作电脑就无意中学会了一些电脑知识。

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中学英语

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