The book contains all the knowledge points of the senior high school entrance examination, and each knowledge point is explained in considerable detail, which is the most detailed I have ever seen. Children with poor foundation can also understand and consolidate the foundation; Children with a medium foundation can check for leaks and fill gaps through detailed explanations; Children with a good foundation can further deepen their understanding of various knowledge points through detailed explanations. In the same learning stage, different students should choose different counseling books. If the foundation is not good, they should give priority to synchronous exercise guidance books. If the foundation is good, strive for the upper reaches.