教学活动是教师的“教”与学生的“学”交互作用的过程。在课堂教学中,教师总是处于意想不到的课堂情景之中,“也许前一堂课激起了学生们某种程度的情绪波动或将其兴趣集中到某一点,从而分散了他们当前的注意力;也许总的课堂气氛不像计划那样有助于注 Teaching activities are the process of teacher’s ”teaching“ and student ”study“ interaction. In classroom teaching, teachers are always in unexpected classroom situations. ”Perhaps the previous class has stirred up some degree of emotional fluctuations of students or concentrated their interests at a certain point, thus distracting their current attention. Force; maybe the overall classroom atmosphere is not as helpful as the plan