Water is very important to the human But now many rivers and lakes are And what shall we do ? We can do like this: First we must prevent the factory from pouring waste water into the river Second we should stop people from throwing litter into the Many kinds of litter may pollute the Finally we can tell the visitors how important the water After doing these things，I think water will become cleaner sooner or 水是对人类非常重要但是现在许多河流和湖泊受到污染。而我们该怎么办？我们可以这样做：首先，我们必须防止工厂将污水倒入河流。其次，我们应该阻止人们把垃圾扔进河流各种垃圾会污染环境。最后，我们可以告诉参观者，水是多么重要。做了这些事情后，我认为水将迟早变得更清洁。
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
the water in our life is important it can help us do things，such as wash dishes，so we should save water we can We can wash water used to flush the toilet， washing water is used to water
