Not bad, the topic of physical chemistry is a bit difficult, but there are also basic exercises in the book to consolidate what you learned that day, which is helpful to improve your grades. In fact, there is no difference between good and bad teaching AIDS, and using them well is the most important thing.

The midpoint of the book is more suitable for students with good foundation and high test scores. Diandian is a famous supplementary teaching material edited by Rong and has become one of the favorite teaching materials for teachers, parents and students. Annual sales hit a record high.

Students with good academic performance are more suitable to use the hour, because the topic is relatively difficult. It is worth mentioning that its title part is innovative, and then the special topics in the paper are good, and there are also error-prone topics.

Canon in Canon is divided into three volumes: A, B and C. Volume A is the basic content, volume B is the consolidation and volume C is the improvement. Mathematics and physics, in particular, are difficult and challenging, which is very helpful for improvement. But there are not many questions, the key is to improve the ability and require a good grasp of the foundation.