传统的教学观是以教师为中心,学生是被动地接受教师传授的知识,学生无条件的服从教师事先安排好的教学环节。课堂上,教师提出问题,学生举手,经允许后才可发言。如教师讲到某一环节或某一个问题时,突然有个学生接教师的“话茬”,教学安排和教学思路被打乱了,那可是“大逆不道” The traditional teaching concept is teacher-centered, students passively accept the knowledge imparted by teachers, and students unconditionally obey the pre-arranged teaching links of teachers. In class, teachers ask questions and students raise their hands before they can speak. When a teacher talks about a certain issue or a certain question, he suddenly has a student who picks up the teacher’s words. The teaching arrangements and teaching ideas are disrupted. However,