【題目】Most online classes let students learn _____ their own pace.

A. at B. to C. from D. by

【答案】A

【解析】

試題分析：考查介詞辨析。A.在，以；B.到、向；C.來自、從；D.通過、依據(jù)。句意：很多在線的課程讓學(xué)生按照自己的節(jié)奏學(xué)習(xí)。at介詞短語可表示以某種價(jià)格、速度等，at pace這里意思是按照，以某步伐，節(jié)奏。故選A。

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