【題目】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】C

【解析】

試題分析：考察動詞短語辨析。句意：Sam通過看別人玩電腦無意中學(xué)會了一些電腦方面的知識。A撫養(yǎng)，養(yǎng)育；B查找；抬頭看；C撿起；用車接；無意中學(xué)會；接受信號；康復(fù)�；謴�(fù)；染上…；D建立，成立；根據(jù)句意說明本句使用pick up表示無意中學(xué)會。故C正確。

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