Newton was sitting under an apple tree __爱下问搜题

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问题选择题

Newton was sitting under an apple tree ______ an apple fell onto his head.

A．when

B．while

C．after

D．before

答案

答案：A

本题考查连词辨析。此处when作并列连词,表示“就在此刻(and justthen)”“,突然(and suddenly)”。

选择题

Thanks _____ the photo _____ the Great Wall. [ ]

A. for; on

B. for; of

C. for; for

D. of; of

选择题

下列哪条铁路经过宁夏回族自治区[ ]

A、包兰线

B、陇海线

C、兰新线

D、青藏线