If there is a gradient over and over again, students can digest knowledge more easily.

"One Biography" is a synchronous practice tutorial book jointly created by experts from Tianxing Education Research Institute and a number of first-line senior teachers. It is published by Nanjing Normal University Press. "All-in-one" is based on the concept of combining learning with examination, and on the basis of in-depth study of the current situation of synchronous learning and classroom teaching practice, according to the theory of "deliberate practice", it constructs three zones and eight zones, aiming at creating a hierarchical and progressive scientific training system; The content is based on teaching materials, and the design is scientific and effective. From synchronization to senior high school entrance examination, we can take into account the actual learning needs of students at all levels and effectively solve the problem of synchronization of study and examination.