At present, the unified examination subjects for college entrance examination in China are Chinese, mathematics, foreign languages and synthesis, that is, the 3+X model, in which 3 refers to Chinese, mathematics and foreign languages, and X refers to the students' independent choice of an examination subject from the two comprehensive subjects of liberal arts (politics, history and geography) and science (physics, chemistry and biology) according to their own wishes. Among them, Chinese, mathematics and foreign languages are compulsory subjects.

This college entrance examination scheme is the most widely used and mature one in China. The total score is 750, including Chinese 150, mathematics 150, foreign language 150, liberal arts 300 and science 300.

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However, the college entrance examination subjects in Jiangsu province are different from those in the whole country. Jiangsu province implements the college entrance examination scheme of "3+ academic level test+comprehensive quality evaluation". 3 refers to "Chinese, mathematics and foreign languages", with Chinese 160 (40 points for liberal arts), mathematics 160 (40 points for science) and foreign languages 120, out of 480. The required subjects for the academic proficiency test include physics, chemistry, biology, politics, history, geography and information technology. The original full score of each subject is 100. Candidates are required to take five compulsory subjects that are not optional subjects for academic proficiency testing, among which information technology can only be used as a compulsory subject for academic proficiency testing.

Baidu Encyclopedia-National Unified Examination for Enrollment of Ordinary Colleges and Universities