题目内容：

阅读下列材料，在空白处填入1个适当的单词或用括号内单词的正确形式。

Pingyao Ancient City, 1.is located in central Shanxi province, is a famous culture town with 2, 700 years of history. As the most complete county representing the Ming and Qing dynasties, 2.whole city was named a UNESCO World Cultural Heritage Site in December 1997. It serves 3.a helpful resource for the analysis of the development of Chinese politics, economy, culture, art and religion.

Pingyao was built up based on the cultural thoughts and architectural style of the Han nationality of China. To this day, the city walls and buildings have maintained 4.(they) 14th-18th century style. Pingyao Ancient City 5.(build) first in the Western Zhou Dynasty. Over 2,700 years, the stone walls were kept intact (完整的) during the dynastic transition.

The shops lining South Street 6.(be) heritages of the Ming and Qing dynasties. After the 16th century, Pingyao 7.(become) a local commercial center,8.(reach) its peak in the mid-late 19th century.

Keeping the typical pattern of Ming and Qing 9.(dynasty), Pingyao Ancient City has four main streets，eight side streets and 72 lanes. The10.( amaze )beautiful three-story houses stand in the center of city, while two - story stores gather along the streets. It is also an archetype (典型) of an Chinese ancient city.