一、不同阶段一节课大致可以分三个阶段:课始、课中、课后或知识新授前、知识新授中、知识新授后。面对一堂课中不同的阶段,教师的评价语言也应有所不同。如刚开始上课,有的学生会因为课间玩闹过度,出现上课不专心、课堂纪律不好的现象,直接影响教学效果。在这种情况下,教师可用幽默风趣的语言,指出学生存在的问题,让学生注意力集中。如有学生讲话时,可说: First, different stages of a class can be roughly divided into three stages: the beginning of the class, after class or before the new knowledge, new knowledge, middle and new knowledge after the grant. The face of a different stage of the lesson, the teacher evaluation language should be different. Such as the beginning of the class, some students because of excessive play classes, there is no concentration in the classroom, the classroom discipline is not good, a direct impact on teaching effectiveness. In this case, teachers can use humorous language to point out the problems of students and concentrate their attention. When a student speaks, he can say: