It's still good. Many colleagues around me reported for nitrogen guide education when they took the exam. Of course, I am no exception. Let me talk about my feelings. In fact, the biggest problem when preparing for the exam is poor self-control, and the teachers of nitrogen guide education will solve this problem from the root, pay close attention to the classroom, improve learning efficiency, have supporting homework, recite tasks, and even conduct spot checks in class, which is very stressful in high school.