1, the content is perfect: this book covers all the curriculum knowledge of junior high school, including Chinese, mathematics, English, science and other subjects. It can be used as a comprehensive reference material to help students systematically master and consolidate the knowledge needed by various disciplines.

2. Analysis and solution of real questions: This book provides analysis and solution of real questions, which is very helpful for reviewing and preparing for exams. By analyzing the real questions and the corresponding answering process, we can better understand and master the relevant knowledge points and test sites, and improve the ability to take exams.