哺乳动物卵细胞形成的场所是(　　)

    Beijing Opera roles require performers to paint ____( they) faces in patterns and colours to suggest different character types and____(quality).

    In Beijing Opera, facial painting can be quite complex(复杂的). However, in the ____(begin), only three colours____(use)-red, white and black. Now, many other colours, such ____yellow, purple, blue and green, are used for facial painting.

    Red is a colour for____(brave) and loyalty. Guan Yu, a general from the Three Kingdoms Period(AD 220-280) is a good example of this kind of character. He is famous ____being very loyal to his emperor, Liu bei.

    White means all____is bad in human nature. One of the typical white-faced characters is Cao Cao, a____ (power) and cruel prime minister from the Three Kingdoms Period.

    Black face paint is ____(usual) used for someone who is fierce and violent. One typical example is General Zhang Fei from the classic novel, The Romance of the Three Kingdoms.

    All these different colours are used in Beijing Opera facial painting to show a clear picture of each character.

北魏统一北方后，在黄河流域逐渐采用先进的经济形式发展经济，这种先进经济形式实质是（    ）

下图为“我国南方某城市规划前的地域结构图”，该市工业以茶叶、食品加工为主，辖区内有世界级自然风景名胜（距市中心直线距离40多千米），读图回答下列各题。