The test areas of volume 1 are Shanxi, Fujian, Henan, Hebei, Jiangxi, Hunan, Hubei, Guangdong and Anhui. The two volumes are used in Gansu, Qinghai, Inner Mongolia, Heilongjiang, Jilin and Liaoning, Ningxia, Xinjiang, Shaanxi, Tibet and Chongqing. National 3 volumes, Sichuan, Yunnan, Guangxi and Guizhou.
It is not difficult to find that the overall education level of volume 1 is higher than that of volume 2. Of course there are exceptions. For example, the education in Liaoning is not bad, and the level of Anhui in the test area of volume 1 is low. However, there is a linear relationship between the use area of test papers and the overall education level.
Difficulty of individual subjects:
Language: volume 1 = volume 2 > volume 3;
Mathematics: The objective questions in Volume 1 and Volume 2 are all sub-questions, which are quite difficult; It is relatively difficult to check the basis of volume 3.
English: the difference is obvious, volume one is difficult > volume two > volume three;
Richard: Book One is more difficult.