A-A+
How did scientists increase he speed of thei
问题详情
How did scientists increase "the speed of their perceptions a thousand fold"？
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.请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：A
解析：最后一段中间提到：Careful analysis of the photos reveals the secret，最后提到：but scientists could not be sure how it happened until they increased the speed of their perceptions a thousand fold.前后呼应，说明科学家是通过快速摄影并分析照片的“实验”来得出结论的。故答案应为A。
