前段时间,刚刚打扫干净的教室往往过不了多久就又有废纸出现,而且很少有学生主动将其捡起来。每当碰到这种情况,我要么命令个别学生将其捡起来,要么罚扔废纸的学生做几天值日,可效果还是不好。后来,我再看见废纸,干脆自己捡起来,想用自己的行动感染学生。可是,这样做仍然没有什么改观。如何才能改变这种局面呢?这时我想起了林格伦的一句名言:“如果学 Some time ago, the classroom has just been cleaned often not long before there are waste paper, and few students take it up automatically. Whenever I encounter this situation, I either order individual students to pick it up, or throw students to waste paper for a few days, the effect is still not good. Later, I saw the waste paper again, simply pick it up and tried to infect students with my own actions. However, this still does not change much. How can we change this situation? Then I think of Lindgren’s famous saying: ”If you learn