According to the query of 3.com, a senior, the college entrance examination in Chongqing is the second national volume of the new college entrance examination (Chinese, Mathematics, Foreign Languages), and the subjects such as physics, chemistry, biology, politics, history and geography are all self-propositions of this city. Liaoning, Hainan and Chongqing use two volumes of the new college entrance examination (new college entrance examination: Chinese, mathematics and foreign languages are national volumes; Physical, historical, chemical, biological, ideological and political, geographical reasons are independent propositions of this province. ) Since 20021,Chongqing has adopted a new college entrance examination model of 3+ 1+2, in which there are 3 courses in Chinese, 3 courses in mathematics and 3 courses in foreign languages, and the national new college entrance examination adopts a two-volume system. 1 is a choice of physical history, 2 is a choice of chemical biology, politics and geography, and the last three subjects are self-propositions of this city.