Read the following materials and complete the relevant questions. Material 1: In November 211, Beijing announced the "Beijing Spirit"-"Patriotism, innovation, tolerance and virtue"

(1) according to material 1, in November 211, Beijing announced the "Beijing spirit"-"patriotism, innovation, tolerance and virtue". As the spirit of the city, it is the generalization and summary of the spiritual wealth formed by the people of the capital in the long-term development and construction practice, which embodies the requirements of the socialist core value system, the characteristics of the capital's history and culture, and the spiritual and cultural pursuit of the people of the capital. The spirit of Beijing has an influence on the national culture, and it is analyzed that Beijing is not only the capital of China, but also the cultural center of China.

(2) Beijing is located at the junction of Taihang Mountain, Yanshan Mountain and North China Plain, and ① in the figure is the Taihang Mountain range running from northeast to southwest;

(3) Beijing is located in the northern part of China, at the junction of Taihang Mountain, Yanshan Mountain and North China Plain. The terrain is high in the northwest and low in the southeast, which can be judged by the river flowing from northwest to southeast.

(4) There are many sandstorms in Beijing in spring, and the dust mainly comes from Inner Mongolia. In recent years, grassland degradation in Inner Mongolia has led to frequent sandstorms, so we should plant trees and grass, restore surface vegetation and build artificial grassland in Inner Mongolia.

(5) Beijing belongs to the northern region, with a temperate monsoon climate of cold and dry winter and high temperature and rainy summer. If you travel to Beijing in summer vacation, you should take rain gear and heatstroke prevention supplies.

(6) The method of carrying stones by dry boat is used in winter, because the average monthly temperature in winter is below ℃, and the ice and snow are not easy to melt;

(7) There are also woods in Taihang Mountain, Yanshan Mountain and other mountainous areas near Beijing. However, it is necessary to seek further from the near, and choose the woods from Sichuan, Hunan and Jiangxi in the south, which belongs to subtropical monsoon climate. Judging from the climatic conditions, abundant rain, high temperature, long growth period of crops and faster growth of trees make trees grow well in the south.

Therefore, the answer is: (1) culture; (2) Taihang Mountains; (3) high in the northwest and low in the southeast; Rivers flow from northwest to southeast; (4) Planting trees and grass, restoring surface vegetation, building artificial grassland, etc. (5) Bring rain gear and heatstroke prevention supplies; （6）C； (7) Abundant rain, high temperature, long growing period of crops and faster growth of trees.