单项选择题

Manufacturers found out that color affects sales ______.

A．by experience over a long period of time
B．by experimenting with different colors
C．by trying out color on blind people
D．by developing the discipline of color psychology

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热门试题

单项选择题

Our preferences for certain colors are ______.

A．associated with the time of day
B．dependent on our characters
C．linked with our primitive ancestors
D．partly due to psychological factors

单项选择题

If people are exposed to bright red, which of the following things does NOT happen

A．They breathe faster.
B．Their blood pressure rises.
C．They feel afraid.
D．Their hearts beat faster.