It is better to brush the questions. Doing all the questions in the required questions shows that the students have a solid foundation. "Must Brush Questions for Junior High School" is a supplementary book for synchronous exercise in junior high school, which is published by Ming Kai Publishing House and edited by Yang Wenbin. Based on the examination requirements of the new curriculum standard and the actual situation of synchronous teaching, it is closely related to the writing concept of the current textbook, supplemented by the explanation of important knowledge points in the textbook, so as to meet the requirements of consolidating the foundation and improving the ability in synchronous learning. Through the combination of lectures and practice, students can master what they have learned and effectively improve their comprehensive ability.