还是喝白开水好刘敬锋（江西省峡江县第二中学３３１４００）水是人体不可缺少的重要组成部分，占体重的６０％～７０％，血液中含有９０％的水分。体内的水以自由水和结合水两种形式存在，滋润着人体的约５０亿个细胞。人体一切生命活动的生物化学反应都是在水溶液中进行... Drinking water is still good Liu Jingfeng (Jiangxi Province Second Middle School Xiajiang 331400) Water is an indispensable human body an important part, accounting for 60% to 70% of body weight, the blood contains 90% of the water. The body of water in the form of free water and bound water exist, nourishing the body’s about 5 billion cells. Biochemical reactions of all human life activities are carried out in aqueous solution ...