It’s surprising that your brother __________ some knowledge of the computer just by watching others working on it.

A. picked upB. packed up

C. put upD. made up

A

【解析】

試題分析：考查動(dòng)詞詞組。A. 撿起, 獲得, 使恢復(fù)精神, 加快, 看到, 隨便地認(rèn)識(shí), 加；B.整理行裝，停止工作；C.張貼，舉起，建造，提高；提供食宿，直接行動(dòng)；D構(gòu)成，編造；化妝；彌補(bǔ)，和解。要根據(jù)具體語(yǔ)境選出正確的意思。句意：令人驚訝的是，你哥哥只是通過(guò)觀察別人工作就學(xué)會(huì)了一些電腦知識(shí)。pick up在這里是“獲得，學(xué)會(huì)”的意思，故選A。

考點(diǎn)：考查動(dòng)詞詞組。

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