the required subjects are mathematics, chinese and english, and the full score of each three subjects is 150 points. for the remaining subjects, there are two choices: the liberal arts comprehensive are history, geography and politics, with a score of 100 for each subject; the science subjects include physics, chemistry and biology, with 100 points for each subject. students are allowed to choose between science and liberal arts based on their level of study, and each student scored a maximum of 750. although two kinds of choice means brought the power that examinee learns, but in china, the obtain employment of liberal arts living is more difficult than science living, the score of the university entrance exam also is lower than science living, so the examinee that chooses science department is much more than the examinee that chooses liberal arts.