【題目】It was long believed that ________ things fall at a faster speed.

A.heavyB.heavierC.heaviestD.the heaviest

【答案】B

【解析】

句意:長久以來,人們認為重的東西落得更快。

at a faster speed以一個更快的速度,結合常識可知是更重的東西;heavy重的,heavier更重的,the heaviest最重的;故選B

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