笑和哭是人类表达感情的常见方式,不足为奇。然而对于正在成长中的儿童来说,其意义要比人们所想象的大得多,这就是与智力发育的微妙关系。先说笑。美国华盛顿大学的专家新近得出结论:爱笑的孩子大多较聪明。根据他们观察,聪明儿童对外界事物发笑 It is not surprising that laughter and crying are common ways for people to express their feelings. However, for children who are growing up, their meaning is much larger than people think. This is a delicate relationship with the development of intelligence. First joking. Experts at Washington University in the United States recently concluded that loving children are mostly smarter. According to their observation, clever children laugh at the outside world