亚洲日韩制服无码中文字幕_人妻無碼一區二區三區免費_亚洲AV无码成人网站WWW_国产午夜精品理论片久久影视_www.少妇黄色在线观看_大香蕉手机视频_国产三级韩国三级理_日韩在线观看不卡一区_免费丰满少妇一级毛片_正在播放极品白嫩美_浮力影院草草影院CCYYCOM_九99九精品免费视频热

【Preface】
Water is the source of life in the human body, 70% of GDP. If you enter the body in the water with the problem, would be a serious threat to human health will become an empty word. Former vice chairman of the National People's Congress, former chairman of the National Women's Federation, Gu said: "Caring for the healthy growth of young people is the common responsibility of society as a whole. At present, the road in the growth of young people are facing many problems, especially human sewage has become a Adolescent Health invisible killer. World Health Organization survey: 50% of child deaths worldwide are caused by the contaminated drinking water; worldwide each year 25 million children, die from drinking contaminated water caused the disease. China Is the world's 13 water-poor countries, not only water shortages, and serious deterioration of water quality. Many areas, especially in remote rural long-term consumption of high fluorine, high arsenic, brackish, schistosomiasis and other pollution and unsafe water。seriously Influence young people's health, which has aroused great attention of relevant state departments。

【Status of the campus drinking】

Over the years, the students how to solve the drinking water has been schools, students, parents are very concerned about。but also a social problem。With industrial development, water pollution is getting worse. As the water environment treatment lag, the campus drinking water has become a big problem. In recent years, large, medium, primary food poisoning accidents occur frequently, according to health departments for investigation, the accident occurred about 50% of food poisoning related to water. In the country, large, medium, primary and nursery water and diverse, there are many problems: some water is not timely, less than the amount of water can not meet the requirements of the students；some bad water quality，can not ensure the safety of students, health；some prices Expensive, schools, overburdened parents, school drinking water is worrying。