1, the content is comprehensive: the high school resource database covers important knowledge points of high school subjects, from Chinese, mathematics and English to physics, chemistry, biology, politics, history, geography and other subjects, with detailed explanations and explanations, so that students can fully understand and master the contents of each subject.

2. Easy to understand: the language of this book is concise and clear, and the explanation is clear and easy to understand, making it easier for students to understand and master various knowledge points. At the same time, a large number of auxiliary means such as charts, diagrams and cases are used to help students better understand and master knowledge.