1. The question bank of "Gold Medal Pass Every Class" lies in its essence. Often a problem can be solved by several questions in several different ways, while the former adopts the questioning tactics in most textbooks.

2. There are many ways to explain the knowledge points of each lesson of Gold Medal, from text explanation to video explanation to one-on-one explanation by famous teachers. Compared with the former, this textbook can make students understand faster and more thoroughly.