Sichuan college entrance examination adopts three kinds of national papers, which is not difficult in general. There are no particularly difficult questions in multiple-choice questions, fill-in-the-blank questions and big questions. The final question is actually very clear, but it needs a solid foundation and careful calculation.

Give full play to the characteristics of the subject and incorporate the science of "War and Epidemiology" into the subject. Reveal the law of virus transmission and embody scientific prevention and control. Using mathematical model to reveal the law of virus transmission. For example, in the third volume of Chinese and the fourth question of science, the Logistic model suitable for students' knowledge level is selected as the basis of the test system, and the students' understanding and mastery of the basic knowledge of exponential function and their ability to solve practical problems by using mathematical models are investigated.

Organize the examination of information ability. For example, there are three national volumes and science topic 18. According to the current situation of air quality and physical exercise in parks concerned by the society, this paper gives a data table of daily air quality level and the number of people who go to parks for exercise that day in a city, focusing on students' understanding and application of the basic ideas of probability statistics and basic statistical models.