随着夏季的到来，天气变得越来越热，为提高练习效果，防止学生中暑，体育教师应鼓励学生上体育课自带饮用水（特别是加了一定比例盐和糖的仿生理盐水）。热和脱水是夏季锻炼损害体能最凶猛的敌人。热包括环境天气热，运动中体内热。在这两种热的作用下，如果排汗多、脱水... With the advent of the summer, the weather becomes hotter and hotter. To improve the practice effect and prevent students from heat stroke, physical education teachers should encourage students to bring their own drinking water (especially artificial saline with a certain proportion of salt and sugar) . Heat and dehydration are the most violent enemies of fitness in summer training. Heat includes hot weather and body heat during exercise. In the role of these two kinds of heat, if sweat, dehydration ...