◎ 题干
Sam ________ some knowledge of the computer just by watching others working on it.
[     ]
A. brought up  
B. looked up
C. picked up  
D. set up
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“Sam ________ some knowledge of the computer just by watching others working on it.[ ]A. brought upB. looked upC. picked upD. set up…”主要考查了你对  【动词短语】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。