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据不完全统计,全世界还有超过10亿的人口用不上清洁的水,因此,人类每年有310万人因饮用不洁水患病而死亡水是生命之源。人类的生存需要水,我们的生活和经济社会系统运转都离不开水这一基本的物质。我国人均淡水资源只有世界水平的四分之一。作为城里的孩子,他们享受着衣食无忧的生活,总认为水是取之不尽用之不竭的,常常出现许多孩子在洗完手后不及时关闭水龙头。孩子们喜欢玩水,爱玩水,但是不珍惜水,我曾经问过一个孩子,他觉得世界上怎
According to incomplete statistics, there are still more than 1 billion people in the world who do not have access to clean water. Therefore, 3.1 million people die of dead water every year because of drinking dirty water. The survival of mankind needs water, and our life and the operation of economic and social systems are inseparable from the basic material of water. Our per capita freshwater resources are only one quarter of the world average. As children in the city, they enjoy a comfortable life. They always think that water is inexhaustible. It is not uncommon for many children to turn off their faucets after they have finished their hands. Children like to play with water, love to play with water, but do not cherish water, I once asked a child how he thinks in the world