进入中学以后,学生相继进入青春发育期,第二性特征、性功能开始出现,男女生差异越来越明显,不少学生对予初精、初潮感到吃惊、不安、羞涩、厌恶。生理上的变化引起了心理上的变化,他们精神紧张,心神不安,男女生之间也不再象小学那样天真相处,两性对立情绪较为明显,并出现异性之间巯远的现象,给班集体生活带来很大的不便。多年来的经验告诉我们,越是不让学生知道的,他们就越是想知道,而且这种情绪表 After entering secondary school, students have entered the puberty, secondary sexual characteristics, sexual function began to appear, more obvious differences between boys and girls, many students to pre-primary, menarche surprised, uneasy, shy, disgusted. Physiological changes caused psychological changes, they are nervous, uneasy, boys and girls are no longer as innocent as primary school, gender antagonism is more obvious, and the phenomenon of heterosexuality between the mercuric fumes, to the class group Life brings great inconvenience. Years of experience tells us that the more we do not let students know, the more they want to know, and this emotion table