“有位乡长听说县长要来检查工作,便洗了一把脸。后县长因故未来,乡长为此后悔了好一阵子。”“中科院的一个甘肃籍博士从小学到中学8年没洗过一次脚。来到京城后,下雨从不打伞,他说:‘能在雨里淋着真是幸福。’”“一个乡下人去亲戚家做客,亲戚请他洗个脸,他说:‘不用了,我上个月已经洗过了。’”这些情景不是虚构的故事,是真实地发生在我国甘肃省永靖县、榆中县的事情。生命起源于水,人类生存需要水,社会发展离不开水。水到底是什么? “A township governor heard that the county governor wanted to inspect the work and then washed his face. The county governor regretted for a while for the sake of the future.” “A Gansu Ph.D. from the Chinese Academy of Sciences from elementary school to middle school He had not washed his foot once in 8 years, but when he came to the capital, he never had an umbrella in the rain.He said: ’It’s so happy to be able to shower in the rain.’ ’A countryman went to visit his relatives and his relatives asked him to wash his face. He said: “No, I washed it last month.” "These scenarios are not fictional stories. They are things that happened in Yongjing County and Ganzhong County in Gansu Province. Life originated from water, human survival requires water, and social development depends on water. What is water in the end?