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How difficult is it to count two in 2022?
The difficulty analysis of No.2 in 2022 is as follows:

1. The mathematics test paper takes the excellent Chinese traditional culture as situational material, so that students can appreciate the wisdom of the Chinese nation and the achievements of mathematics research, further establish national self-confidence and pride, and cultivate patriotic feelings. For example, the eighth national A-level scientific question was compiled according to the famous book Meng Qian Bi Tan written by Shen Kuo, an ancient scientist in China. Based on the arc length calculation method "Hui Yuan Shu" studied by Shen Kuo, students can intuitively feel the process of exploring and solving problems by ancient scientists in China and stimulate their interest in learning.

2. The college entrance examination of mathematics subjects takes China's social and economic development and actual production and life as situational materials to set test questions. For example, the national volume A and the second question of science take the "garbage classification" in community environment construction as the background to examine students' data analysis ability.

3. The examination paper highlights the examination of the basic concepts and principles of the subject, emphasizes the internal relationship between knowledge, and guides students to form a subject knowledge system; Attach importance to original methods, downplay special skills, emphasize in-depth understanding and comprehensive application of general methods, and promote students to internalize knowledge and methods into their own knowledge structure. For example, question 20 of the national volume A examines the idea of combining numbers with shapes.

4. The examination paper strengthens the examination of the main knowledge in three types of questions: multiple-choice questions, fill-in-the-blank questions and solution questions. For example, the national first-class science 19 question, taking the school sports competition as the situation, examines the basic knowledge of probability, the distribution list of discrete random variables and the solution of expectations, and realizes the in-depth examination of the main knowledge.

5. Mathematics college entrance examination emphasizes independent thinking and innovative consciousness by highlighting the examination of thinking quality. The 20 questions of science and 2 1 questions of liberal arts in the national A-level examination examined the basic properties of straight line, parabola, trigonometric function and inequality, and analyzed the basic thinking method of geometry, requiring students to grasp the essence of the problem, find the key to solving the problem and choose a reasonable method in the complex positional relationship between straight line and parabola.