Do you mean closed courses? It usually takes six or seven days. Management is not strict, but teachers will urge you not to be lazy. The meaning of closure is to isolate the influence of the external environment on you. Let you concentrate on absorbing knowledge and improve your exam level quickly. As far as Zhonggong is concerned, the class teacher is responsible for urging students to get up on time in the morning for morning reading, class, training, eating, living and so on. Good attitude. After all, this is not military training. Students are consumers.