This year's college entrance examination has a national volume 3. College entrance examination papers can be divided into five categories, namely, national papers 1, national papers 2, national papers 3, semi-autonomous propositions and independent propositions. From the difficulty point of view, the national volume is decreasing from volume one to volume three. How to divide the use areas of different national volumes? Mainly based on the differences in educational resources and economic development levels among provinces and cities. Taking 20 19 as an example, except Beijing, Tianjin, Jiangsu, Zhejiang and Shanghai, 26 regions chose the national examination papers. The main purpose of dividing the college entrance examination papers is to ensure the greatest fairness and efficiency optimization of this life examination.

The national examination paper is put forward by the college entrance examination proposition group of the examination center of the Ministry of Education, which is mainly based on the actual situation of the national examinee education for different regions to choose. The advantage of the national unified proposition is that it avoids the pressure that all provinces and cities have to bear when proposing, and further highlights the scientificity and stability. Of course, only by studying hard and strengthening your skills and knowledge is the proper meaning in the title.