案例1:黑板上的拳头印。一天我上课时,忽然发现黑板上有个浅浅的拳头印,心想可能是学生不小心碰的,就没有放在心上。第二天上课时,差点把我气晕:黑板上的拳头印斑斑点点,犹如一朵朵梅花,而黑板成了丑八怪!我问学生:“是谁搞破坏?”结果没有一个知道的。后来有学生告诉我,是班里的一位同学练习跆拳道,用拳头打的!我寻思,这样的事情班干部为什么没有发现并制止呢?我渐渐明白,我总以为三年级的同学小,班干部工 Case 1: fist stamp on the blackboard. One day when I was in class, I suddenly noticed that there was a shallow fist printed on the blackboard. I thought it might be that students accidentally touched and did not mind. The next day when class, almost to my faint halo: the fist on the blackboard printed spots, like a blossoming plum, and the blackboard has become ugly! I asked the students: “Who did the destruction? ” None of the results know . Later, a student told me that the class is a classmate practice Taekwondo, fist hit! I wondered why such a class cadre did not find and stop it? I gradually understand that I always thought that the third grade students small class Cadre workers