Textbooks and top courses have their own advantages, and the specific choice depends on students' needs and preferences.

The Top Class, edited by Cheng Haijiao, is a synchronous textbook for primary and secondary school students and teachers. It pioneered the concepts of standard books and tutorial plans; Practice the mode of dividing books and fully apply digital learning methods; Teaching plans, teachers' books and courseware PPT discs are distributed synchronously, from teaching materials to senior high school entrance examination, from basic to senior high school entrance examination, step by step, spiral upward, knowledge explanation, example explanation, comprehensive method summary and sufficient test questions practice, which is suitable for primary and secondary school students in different regions and versions of the country.

The top class is suitable for all-round promotion. It is most important to choose the right teaching materials according to your own needs and actual situation.