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  3. The fact that blind people can "see" things using other parts of their bodies apart from their eyes may help us to understand ou

The fact that blind people can "see" things using other parts of their bodies apart from their eyes may help us to understand ou

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问题     The fact that blind people can "see" things using other parts of their bodies apart from their eyes may help us to understand our feelings about color. If they can sense color differences, then perhaps we, too, are affected by color unconsciously.
     Manufacturers have discovered by trial and error that sugar sells badly in green wrappings, that blue foods are considered unpleasant, and the cosmetics should never be packaged in brown. These discoveries have grown into a whole discipline of color psychology that now finds application in everything from fashion to interior decoration. Some of our preferences are clearly psychological. Dark blue is the color of the night sky and therefore associated with passivity and calm, while yellow is a day color with associations of energy and incentive. For primitive man, activity during the day meant hunting and attacking, while he soon saw as red, the color of blood and rage and the heat that came with effort. And green is associated with passive defence and self-preservation. Experiments have shown that colors, partly because of their physiological associations, also have a direct psychological effect. People exposed to bright red show an increase in heartbeat, and blood pressure; red is exciting. Similar exposure to pure blue has exactly the opposite effect; it is a calming color. Because of its exciting connotations, red was chosen as the signal for danger, but closer analysis shows that a vivid yellow can produce a more basic state of alertness and alarm, so fire engines and ambulances in some advanced communities are now rushing around in bright yellow colors.
Manufacturers found out that color affects sales______.
选项 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
答案A
解析 细节题。本题问的是：生产商是怎样发现颜色可以影响销售的?依据文章第2段第1句“Manufacturers have discovered by trial and error that sugar sells badly in green wrappings，that blue foods are considered unpleasant，and the cosmetics should never be packaged in brown”可知，生产商是经过许多次试验，犯过许多次错误之后，才发现用绿纸包裹的糖不好卖，蓝色的食品让人觉得不愉快，化妆品不能用棕色的纸包装。因此，正确答案是A 。
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