1, teachers. Zhengzhou parallel line teachers and teaching level first-class teachers are strong, teachers' teaching quality is good and management is very strict. Dashan's teacher is unstable and the new teacher is unfamiliar with the course.

2. In terms of pass rate. There are a large number of students studying and thinking in Zhengzhou parallel line, and the pass rate of counseling candidates is high. The number of students in Dashan is small, and the passing rate of the exam is not obvious.