1. The North-South Grand Canal excavated in the Sui Dynasty is centered on ().

A. Chang 'an B. Zhuo Jun C. Luoyang D. Yuhang

2. The rule of the sui dynasty is similar to which of the following dynasties ()?

A. Qin Dynasty B. Eastern Han Dynasty C. Western Jin Dynasty D. Eastern Jin Dynasty

3. The rule of Zhenguan was a period of political tolerance, opening to the outside world and strong national strength in the ancient history of China, which benefited from the wise rule of ().

A. Emperor Wendi of Sui Dynasty B. Emperor Taizong C. Wu Zetian D. Emperor Xuanzong of Tang Dynasty

4. The administrative system implemented in the Tang Dynasty was ().

A. county system B. imperial examination system C. three provinces and six departments D. "Jimizhou" system

5. The following statement related to Wu Zetian is inaccurate ().

A. As an official, Tang Gaozong showed his management ability from the beginning.

B. Start your own business and change the name of the country to "Zhou"

C. During the "Wuzhou Politics" period, the social economy reached an unprecedented peak.