1, 20 16, there were nine sets of papers in the national college entrance examination, four of which were produced by the examination center of the Ministry of Education, and five were independently produced by Beijing, Tianjin, Shanghai, Zhejiang and Jiangsu provinces. Because the college entrance examination papers are different, the difficulty is also different. In fact, the difficulty of college entrance examination papers varies from person to person. Different candidates have different understandings of the difficulty of college entrance examination papers. The difficulty of college entrance examination papers in Sichuan Province mainly depends on the candidates' own answering experience.