一篇关于water pollution的短文,1分钟左右,公开课用,速求.

Everybody knows that there is serious problem of water pollution on the earth. Yes, water pollution is increasing.
Look! The water in the river is getting dirtier and dirtier. Most of fish in the water have died, and we can’t swim in the water.
My grandfather says, when he was very little, the water in the river was very clean. He often swam in the river with his friends.
That was before, but now we can’t see such clean rivers. Let’s protect the water from pollution, because we can’t live without water. The water is really important to us all.
每个人都知道有严重的问题，水污染。是的，水的污染是越来越多。看看！在河水越来越脏。大多数的鱼都死了，我们不能在水中游泳。我祖父说，当他很小的时候，河里的水很干净。他经常和他的朋友们在河里游泳。那是以前，但是现在我们不可能看到这样清澈的河流。让我们保护水不受污染，因为没有水我们就不能生存。水对我们大家真的很重要。

Water pollution is a serious problem now.Hundres of dead fish can be found on the surface of Haihe beeause of serious pollution.Besides Haihe,there are some other rivers like this.We can't live withou...