Chinese, math and English papers are divided into volume A and volume B. The full score of volume A is 100 (including 30 points in English listening test), and the full score of volume B is 50 points. Physics is divided into volume A and volume B. The full score of volume A is 100 (including 90 points for written test and 10 for experimental operation), and the full score of volume B is 20 points. There is only one volume of chemistry, with a full score of 100 (including 90 points for written test and 10 for experimental operation). The written examinations in all subjects are closed-book examinations.