First, the changes in the difficulty of the college entrance examination in history

1. With the improvement of education level and the general improvement of candidates' quality, the college entrance examination is becoming more and more difficult. However, there are also some years when papers are relatively difficult.

2. The difficulty of the annual college entrance examination papers will be adjusted according to the teaching priorities and reform direction of the year, and the difficulty is uncertain.

Second, the factors that affect the difficulty of the college entrance examination

1. Teaching objectives and priorities of the year: The subjects and knowledge points of the annual college entrance examination are designed with reference to the syllabus of that year, so the teaching objectives and priorities of that year will have an impact on the difficulty of the examination paper.

2. Security measures before the release of the test paper: The strictness of security measures will determine whether the college entrance examination paper is leaked in advance, and the difficulty of leaking the test paper in advance may be greatly reduced.

3. The official willingness to adjust the difficulty: If the education authorities think that the difficulty of the college entrance examination is too high or too low, it will have a negative impact on society, then they may adjust the test papers accordingly.

Expand knowledge:

1. The difficulty of the college entrance examination is not the only criterion to evaluate whether a high-level exam is "fair", but also the diversity, rationality and difficulty distribution of the test questions should be considered.

2. After a candidate is admitted to a prestigious school through high scores, the difficulty of the college entrance examination paper will also affect his future academic and workplace performance.

3. National unified examination for enrollment of ordinary colleges and universities. The Ministry of Education requires that the names of examination subjects in all provinces (autonomous regions and municipalities) are the same as those in the national unified examination, and must be consistent with the national unified examination schedule.

4. Generally speaking, the subjects who take the exam are full-time ordinary high school graduates and People's Republic of China (PRC) (China) citizens with the same academic ability. Enrollment is divided into two categories: science, engineering, agriculture, medicine (including sports) and literature and history (including foreign languages and art). Colleges and universities should plan and expand enrollment according to candidates' scores and enrollment regulations, comprehensively measure morality, intelligence, physique and beauty, and select the best candidates.

5. China has a history of 1300 years, which once showed the superiority of selecting talents and deeply influenced East Asian countries.