一天,一个朋友走向我讲述了发生在他儿子身上的一件事。朋友的孩子小宇上一年级,聪明好动,能说会道。妈妈不在身边,平日由奶奶照顾。小宇的卫生习惯很差,他的桌椅总是东倒西歪,座位旁经常是纸屑满地。因为这个,班级在学校的卫生评比中经常被扣分。老师多次对他进行教育,但效果 One day a friend came to me and told one thing that happened to his son. Xiaoyu friend’s child, the first grade, smart and energetic, can speak. Mom is not around, usually taken care of by her grandmother. Xiaoyu poor hygiene, his tables and chairs are always staggering, often beside the seat full of paper debris. Because of this, classes are often penalized in school health assessments. The teacher repeatedly educated him, but the effect