答案:Water and LifeWater is very important for human beings. There is a saying that “No water, no life”. According to a report, a man can only live for 7 days without water. But now there is a serious problem with our water: pollution. As too many factories are producing wastes, our rivers and lakes have been greatly polluted. A lot of fish have died due to water pollution. In order to keep our planet alive, everyone of us should try our best to protect water.