What are the explanatory texts in the first volume of the Chinese text in the seventh grade of People's Education Edition?

The first volume of the seventh grade Chinese textbook published by People's Education Edition has "Seeing the clouds and knowing the sky".

Seeing the weather from the clouds is a popular science article. The author introduces the relationship between clouds and weather in logical order from two aspects with vivid language: the relationship between different forms of clouds and weather; The relationship between different glorious clouds and the weather. Structurally, the whole paper adopts the relationship of total-subtotal.