Business Class One and Business Class Two refer to two specialized courses except politics and English, and the full marks of these two courses are generally 150. Business Class One and Business Class Two are often different in different majors and schools.

If you are a computer candidate, then the first business course is mathematics, and the second business course is a computer-related professional course stipulated by colleges and universities. If you take the chemistry exam, business one may be a chemistry subject stipulated by the college, or it may be mathematics, and business two is another chemistry subject stipulated by the college.

Generally speaking, in mathematics major, the first business course is mathematics, and the second business course is a professional course. For majors who don't take math exams, Business I and Business II are both professional subjects. The same is true for liberal arts majors.

Business course is an examination course, which requires candidates to systematically master the basic theories and knowledge of various subjects from the field of materials science, and to understand the structural characteristics of materials closely related to the properties of solid materials and the behavior laws of materials related to technology.

The test questions are divided into two parts: required questions and multiple-choice questions:

Required questions are required for all candidates, and multiple-choice questions are divided into multiple-choice module (1) and multiple-choice module (2). Candidates can choose any optional module to answer questions according to their own situation. Please note that questions in two optional modules cannot be answered at the same time.

Required questions account for 40% of all questions; Multiple choice questions account for 60% of all test questions.