China has a vast territory, which is why there are different levels of education. Therefore, the general national examination will distribute papers with different difficulties according to the education level, economic level and competitiveness of different provinces. ab paper is such a product. In general, the difficulty of Volume A is obviously greater than that of Volume B, which is not only the examination paper of college Chinese, but also the college entrance examination. It is divided into abc volume, Hainan volume and Jiangsu volume. So their difficulty is different. Generally, the national A volume is the most difficult.