About college entrance examination

3+ synthesis. . . That is to say, three courses are Chinese, mathematics and English, and then a comprehensive course is taken, including history, politics, geography, physics, chemistry and biology, which is often used in colleges and universities.

3+X+ comprehensive, that is, Chinese, mathematics and English, plus an optional liberal arts course: history or geography or politics; Science is: physics, or chemistry or biology, plus a comprehensive examination paper, including history, politics, geography, physics, chemistry and biology, mostly for undergraduate colleges.

I decided when I chose this course.