【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】句意：Sam只通過觀看別人操作電腦便學(xué)到了一些電腦知識。本題考查動詞短語辨析。bring up撫養(yǎng)；look up抬頭看，查詢；pick up好轉(zhuǎn)，開車接人，認出，學(xué)會；set up建造，搭起。根據(jù)句意選C項。

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