同学们，你们珍惜水吗？水可是非常宝贵的。如果你不信，那就看一看水在地球上的分布情况吧！
Students, do you cherish water? Water is very precious. If you don't believe it, take a look at the distribution of water on the earth!
同学们，你们知道吗？地球上水的总量约有13600000000立方公里，接近14亿立方公里，如果全部铺在地球表面，水层厚度可达到3000米，海洋中聚集着绝大部分水，占地球总水量的97.2%，它覆盖着地球表面的70%以上，陆地上的河湖沿的总水量的23万立方公里，其中淡水约占一半，只占地球总水量的万分之一（2.350%）。
Students, do you know? The total amount of water on the earth is about 13600000000 cubic kilometers, which is close to 1.4 billion cubic kilometers. If all the water is laid on the earth's surface, the thickness of the water layer can reach 3000 meters. Most of the water in the ocean, accounting for 97.2% of the total water on the earth, covers more than 70% of the earth's surface. The total water along the rivers and lakes on the land is 230000 cubic kilometers, of which the fresh water accounts for about half, only accounting for the total water on the earth One thousandth of the quantity (2.350%).
目前人类直接利用的是地下淡水湖泊淡水和河床水，占地球总水量的0.77%实际能利用的水只有0.2%。
At present, human beings directly use the fresh water of underground freshwater lakes and river beds, accounting for 0.77% of the total water volume of the earth, and only 0.2% of the water actually can be used.
同学们，看了以上资料，你们是不是有什么感想呢？是啊！我国人数占地球总人数的30%，而我国的淡水只占地球的8%。
Students, after reading the above information, do you have any thoughts? Yeah! China's population accounts for 30% of the total number of people on earth, while China's fresh water only accounts for 8% of the total.
我们用的水资源是多么的宝贵啊！想想，其它地方水资源极少，能喝上一滴水都感到幸福／奢侈了，而我们却身在福中不知福，还用水来打水仗……如果有一天，我们的水用完了……
How precious are the water resources we use! Think about it. There are very few water resources in other places. We feel happy / luxurious to drink a drop of water, but we don't know where we are. We still use water to fight water wars If one day we run out of water
同学们，珍惜水资源从现在开始吧！当你想到喝不上水的孩子们，你的心里会怎么样呢？
Students, cherish water resources from now on! When you think of children who can't drink water, what happens to your mind?
我们要节约水，珍惜水！
We should save and cherish water!
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