What is the central idea of the lesson "There is only one earth"?

The central idea of the lesson "There is only one earth" is to call on people of all countries to pay attention to safeguarding the earth on which human beings depend. Starting from the development prospect of the whole earth, this book comments on the influence of economic development and environmental pollution on different countries from different social, economic and political angles, and calls on people of all countries to pay attention to safeguarding the earth on which human beings depend.

The book has been translated into many languages and published, which has a wide impact on promoting environmental protection in various countries. This paper selects the sixth-grade Chinese 18 lesson compiled by the Ministry of Education, the sixth-grade unit 2 1 lesson in Beijing Curriculum Reform Edition, the fifth-grade unit 1 lesson in Beijing Normal University Edition, and the seventh-grade unit 35 lesson in nine-year compulsory education published by Shanghai Education Press.

Extended data

The article "There is only one earth" adopts various methods of explanation, such as enumerating numbers and giving examples, which scientifically introduces many aspects of the earth and effectively explains the fact that there is only one earth. Strict wording and vivid expression are the main characteristics of this language.

At the same time, metaphors and personification are used in many places, which reflects the vividness of the language of scientific papers. The full text is scientific, artistic and ideological. While introducing scientific knowledge, it can stimulate readers' emotions and enlighten readers' thoughts.