单项选择题

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.

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热门试题

单项选择题

You can remember the words better in all the ways except ______.

A．saying them out loud
B．writing them down
C．looking at them in a book
D．sticking them up around your room

单项选择题

To visualize oneself is to ______.

A．describe oneself
B．talk about oneself
C．make oneself relaxed
D．create a clear mental picture of oneself