What is the order of elective and compulsory study in high school textbooks published by the People's Education Press?

People's Education Press high school textbooks for 9 subjects including Chinese, mathematics, foreign languages, ideological and political, history, geography, physics, chemistry, biology and other 9 subjects must be completed in the first year of high school, that is, the compulsory textbooks are used; in the second year of high school and in the third year of high school Only optional compulsory credits were presented in the last semester, and elective course credits were chosen by students to take independently, using compulsory textbooks. In the second semester of senior high school, the school independently sets credits.

The knowledge points in the compulsory books need to be mastered, and some of the elective knowledge is used to test self-selected modules. Therefore, the emphasis on compulsory and elective textbooks in high school is different, and there is not much difference in difficulty. Learn the compulsory textbooks first, then the electives, focusing on laying the foundation.

Extended information:

People's Education Press textbook update

The Ministry of Education requires that starting from the autumn semester of 2019, all provinces (autonomous regions and municipalities) across the country will implement it step by step. New courses and new textbooks from the People's Education Press. However, it should be noted that "the training of all new courses will be completed by the end of 2018, and starting from the first half of 2019, the training of new textbooks will be completed step by step in batches; ) have started to implement new courses and new textbooks; by 2025, the concepts, content and requirements of the new courses and new textbooks will be fully implemented in all aspects of general high school education and teaching." In other words: “The new textbooks will be used in the fall of 2019 at the earliest, and the new textbooks will be used in the fall of 2022 at the slowest time.”