The second volume of the first day of junior high school answers historical questions. 1. The performance of political enlightenment in the Tang Dynasty. 2. The expression of advanced culture.

1. official selection system: imperial examination system

2. Ethnic relations: Harmony is a family.

3. External relations: treat foreign countries equally.

1. Technology: Astronomer Monk and his party measured the meridian length for the first time in the world.

2. Poetry: Tang poetry

3. Calligraphy: Yan Zhenqing's "Duota Monument"

4. Painting: Zhang Xuan's "Mrs. Guo Youchun"

5. Art Treasure House: Mogao Grottoes