水是生命之源。随着水资源的短缺，节约用水是我们每个人的责任，请以此为话题写一篇不少于80字的短文。
★ 范文
As we know, water is very important to man, we can”t live without water. The amount of water which is suitable to drink is less and less. But some people don”t care about it. They waste a lot of water in their daily life. Even worse, they pour dirty water into rivers. They throw rubbish into rivers, too. Many rivers and lakes are seriously polluted. Something must
