It is said that the location of universities in China is divided into a b c areas. How do you divide this?

The location of each university is divided into a b c area, which is mainly the entrance examination and retest line.

Area A includes Beijing, Tianjin, Shanghai, Jiangsu, Zhejiang, Fujian, Shandong, Henan, Hubei, Hunan, Guangdong 1 1 province (city);

Area B includes Hebei, Shanxi, Liaoning, Jilin, Heilongjiang, Anhui, Jiangxi, Chongqing, Sichuan, Shaanxi 10 provinces (cities);

Area C includes Inner Mongolia, Guangxi, Hainan, Guizhou, Yunnan, Tibet, Gansu, Qinghai, Ningxia and Xinjiang 10 provinces (regions).

In general, the retest line of graduate students applying for area A is higher than that of area B, and area B is higher than that of area C. ..