One-diagnosis, two-diagnosis and three-diagnosis in the college entrance examination are three mock exams before the college entrance examination, which are mainly aimed at weak points. They are three important diagnostic tests for students to learn and temper their mentality in the college entrance examination, and the main definition is mock examination. The college entrance examination is a selective examination for China people's qualified high school graduates or candidates with the same academic ability.

Extended data:

1, the Ministry of Education stipulates that "students with university degrees are not allowed to take the college entrance examination".

2. Candidates who move in can't take the exam at both the "inflow place" and the "outflow place". Candidates who move with them can choose between "inflow" and "outflow" when they take the college entrance examination locally. They are not allowed to take the college entrance examination in both places at the same time. According to the local provincial and municipal college entrance examination methods.

3. It is expressly stipulated that disabled candidates take the exam, and the exam is fair. According to the requirements of the unified examination regulations for college entrance examination, all provinces and cities in China should provide equal and fair examination environment and reasonable convenience measures for disabled candidates.

References:

National Unified Examination for Enrollment of Ordinary Colleges and Universities-Baidu Encyclopedia