题目

Why are different people fond of different colors? The answer depends largely    61    cultural values. To the Egyptians, green was a color    62    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   63   (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    64    against evils. People’s    65�玉米根尖细胞所含的核酸中，含有碱基A、G、C、T的核苷酸种类数共有（　　）? A.8　　　　　　　　　B.7? C.5　　　　　　　 D.4?