1.1990 ~1992, the perfect score of China's college entrance examination is 7 10, of which 120, number-120, foreign affairs, politics, science and culture-6544 each.

2. 1993 college entrance examination, science and engineering (total score of 750, full score of physical chemistry150);

3. 1994 is the first year of implementing the 3+2 exam in China. The old and new college entrance examinations coexist, with a total score of 970 for previous students and 750 for new students.

4. 1995 ~ 1999 is a three-plus-two model, with original marks and standard marks, Chinese, Mathematics and English 150, history and politics 100. This is the original score, which needs to be converted into the provincial standard score, with a full score of 900.