目前，我国绝大多数小学生是独生子女，“４２１”溺爱型比较普遍，在一定程度上，造成了他们多疑，心胸狭窄，不能与人融洽相处等一系列心理问题。为此，国家教委在制定小学体育教材时，充分考虑了这一因素，根据不同年龄段的学生心理、身体需要，１～３年级安排了４５个... At present, the vast majority of primary school students in China are only children, and the “421” love type is relatively common. To a certain extent, it causes them to be suspicious, narrow-minded, and unable to get along with people to get along with a series of psychological problems. To this end, the State Education Commission fully considered this factor in the development of physical education textbooks for primary schools. According to the psychological and physical needs of students of different age groups, 45 schools were arranged for grades 1 to 3...