当前，在中小学生中，有这样一些现象，如：一名学习成绩进步很快的学生，多次受到老师的表扬，而他周围的朋友却越来越少，平时报要好的同学开始莫名其妙地疏远他；一名女生期木考试略逊于竞争，对手，竟悄悄将对方书包弃于荒郊；一名处于生长发育期的男生，看到同桌的个头长? At present, among primary and secondary students, there are such phenomena as: a student who learns very fast in academic performance, many times praised by his teacher, and his friends around him are getting fewer and fewer, Alienated him; a girl’s wooden exam slightly less than the competition, the opponent, actually quietly bag each other abandoned in the wilderness; a growth and development of boys, to see the same length of the table?