問題詳情

38.How did scientists increase "the speed of their perceptions a thousandfold" (lines 25-26)?
(A)By analyzing photographs
(B)By observing a white cat in a dark room
(C)By dropping a cat from a greater height.
(D)By studying Newton's laws of motion.

參考答案

答案:A
難度:困難0.333333
統計:A(1),B(0),C(1),D(0),E(0)

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