The total score of Jiangsu arts and sciences is 480, of which 200 are liberal arts, and the former 160 is the same as that of science; 200 points for science mathematics, 160 points are the same as those for Chinese subjects, and the last 40 points are extra points, and arts and sciences are underlined separately. The total score of art students is 440. Take two courses, each with a score of 120 (compulsory physics in science and compulsory history in liberal arts). Elective courses are divided into four grades: ABC and unqualified. Senior two, there is a small college entrance examination. The content of the examination is four compulsory courses except elective courses. According to the score, an A can add 1 point to the total score of the college entrance examination, and four straight A's can add 5 points. (that is, physics, chemistry, history, politics, biology, geography. Two of them are optional courses and the other four are compulsory courses. )