Why is pink or purple a color for girls and blue or brown for boys?

The answer depends largely     1    cultural values as well as personal experiences. To the Egyptians, green was a color     2     represented the hope and joy of spring, while for Muslims, it means heaven. Red is a symbol of good luck in many cultures. During the Spring Festival in China, children     3     (give) money in a red envelope to bring good fortune in the New Year. For many nations, blue is a symbol of protection and religious beliefs. Greek people often wear a blue necklace hoping to protect    4    against evils（灾祸）.

People’s     5     (choose) of colors is also influenced by their bodies’ reactions toward them. Green is said to be     6     most restful color. It has the ability to reduce pain and relax people both mentally    7    physically. People     8    (work) in green environment have been found to have fewer stomach aches.

Red can cause a person’s blood pressure to rise and increase people’s appetites（食欲）. Many decorators will include different shades of red in the restaurant. And many commercial websites will have a red “Buy Now” button because red is a color that     9    (easy) catches a person’s eye.

Blue is another calming color. Unlike red, blue is believed to cause people to lose appetite. So     10     you want to eat less, some suggest that eating from blue plates can help.