Chinese] 1. Reading section 1. Modern Chinese Reading is an article about Bai Yingu's post-reading, which is about China culture.

2. In the part of reading ancient Chinese, I chose a passage from Sui Shu's classical Chinese. First, punctuate this classical Chinese. Secondly, explain the words appearing in the article, such as "Hundred Kings", "Sewing Clothes", "Gentry" and "Five Lakes". Third, write two corresponding idioms according to the given idiom tone, such as southern accent and northern accent, and the order of leveling is not limited.

Second, composition: Twenty years later, China [Mathematics] 1, f (x) = x2-53x+196+x2-53x+196, and find f (1)+f (2)+...

2.a and B are the two vertices of the diagonal of a cuboid. Find the shortest distance between a and b through the surface of a cuboid.

[History] 1, noun explanation: Xia, Shang and Zhou Dynasties Dating Project, Marseillaise, Combination of Chinese and Western, Austro-Hungarian Empire, Model Opera, Berlin Wall, Wang Guowei, Twenty-four History.

2. Please write down the ancient and modern names of the capitals of past dynasties.

[Politics] 1. Montelev said that my bookshelf is not smarter than me.

Because I'm a scientist and it's not. According to the above sentences, try to explain the relationship between knowledge and innovation with philosophical principles.

[Chemistry] 1. Write the chemical equation of industrial production with sodium chloride as raw material.

[Physics] 1. When the radius of the moon and the earth and the distance between the two spherical centers are reduced to one tenth of the original, how many times is the gravity of human beings?