classes: lecturer. It is necessary to increase the number of practice sessions, 3 sessions are relatively few, not enough for lecturers to communicate all the practical content. curriculum. It is necessary to increase the number of practice sessions, 3 sessions are relatively few, not enough for lecturers to communicate all the practical content. facility. It is necessary to increase the number of practice sessions, 3 sessions are relatively few, not enough for lecturers to communicate all the practical content. general. It is necessary to increase the number of practice sessions, 3 sessions are relatively few, not enough for lecturers to communicate all the practical content.