Which line is better for class, Xinbaiyi, Zhilang and Chalk, Zhonggong and Shanxiang? Textual research and compilation for Hunan

Zhonggong and Chalk pay more attention to civil servants and institutions. In the teacher recruitment examination, Shanxiang is more professional. The biggest feature of Shanxiang's books is their thickness, which often means completeness. There is no unified book for the teacher recruitment examination, which is published by various institutions. It can be said that each has its own characteristics, but knowledge is often incomplete. The mountain fragrance is the thickest and most complete.