As we can see， the world population is growing rapidly day by So enough fresh water is needed to feed such a big What's more， with the development of industry， factories and vehicles produce poisonous gases or wastes， which consequently results in the pollution of Though fresh， a good amount of it can no longer be Only quite limited fresh water resource is available to human So it's high time for us human beings to take quick action to protect water Stop pollution and save water， otherwise， we cannot survive on the With fresh water， the world will be
Polluted water is one of the biggest problems in the world水污染是世界上最大的难题之一we must protect the water，protect our 我们要保护水资源，保护我们的家园。Let's do something meaningful to bring pollution under 让我们做一些有意义的事来控制污染。Pollution is becoming more and more serious now。现在污染正在进一步恶化当中。As a student，we have to treasure every drop of water，never throw waste derectly into 作为学生，我们应该珍惜每一滴水，永远不要想河里扔垃圾。
Water is very important for We must drink water We can’t live without Water is everywhere around At home， we use water to wash clothes， to wash dishes， to cook rice， to clean the flat， to have showers， to make drinks， to clean our teeth， to have a bath and so At work， people use water to put out fires， to grow vegetables， to make things in factories and so We also can swim in the Water is important for us， isn’t it? Over the world water resource is being polluted and over- In China， water is extremely scarce due to a big We have only one quarter of the world average water availability per And to make matters worse， the water distribution is quite uneven throughout China and across the Polluted water is one of the biggest problems in the We can not live without the water But the water we can drink is very little，polluted water is very serious， so we must protect the water，protect our home。
