導語：我們要節約用水，下面是yuwenmi小編為大家整理的優秀英語作文，歡迎閱讀與借鑒，謝謝!
The world is not only hungry,but also thirsty for water. This may seem strange to you, since nearly 75 % of the earth's surface is covered with water. But about 97% of this huge amount is sea water, or salt water. Man can only drink and use the other 3% -- the fresh water that comes from rivers, lakes,underground, and other sources. And we cannot even use all of that, because some of it is in the form of icebergs and glaciers. Even worse, some of it has been polluted.
However, as things stand today, this small amount of fresh water, which is constantly being replaced by rainfall, is still enough for us. But our need for water is increasing rapidly-- almost day by day. Only if we take steps to deal with this problem now can we avoid a severe worldwide water shortage later on. A limited water supply would have a bad effect on agriculture and industry. Let me give you just one small exampie of how necessary water is to industry. Did you know that to produce a single ton of steel, it takes about 91, 000 liters of water?
We all have to learn how to stop wasting our precious water. One of the first steps we should take is to develop ways of reusing it. Experiments have already been done in this field, but only on a small scale.
【參考譯文】
世界不僅饑餓，而且渴水。這可能看起來很奇怪，因為近75%的地球表面被水覆蓋著。但約97%的這一數額巨大的海水，或咸水。人類只能飲用和使用其他3%個來自河流、湖泊、地下和其他水源的淡水。我們甚至不能使用所有這些，因為其中一些是冰山和冰川的形式。更糟糕的是，其中一些已經被污染。
然而，正如今天的情況，這少量的淡水，不斷被降雨所取代，對我們來說還是足夠的。但是我們對水的需求正在迅速增加--幾乎每天都在增長。只有我們采取措施來處理這個問題，我們才能避免以后世界范圍內嚴重的水資源短缺。有限的水供應會對農業和工業產生不良影響。讓我給你一個小的對流換熱的水是必要的行業。你知道生產一噸鋼，需要大約91，000公升的水嗎?
我們都必須學會如何停止浪費寶貴的水。我們應該采取的第一步是發展重用的方法。在這個領域已經做了實驗，但只是在小規模。
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