Saving Water英語作文
在學(xué)習(xí)、工作或生活中，說到作文，大家肯定都不陌生吧，作文是人們把記憶中所存儲的有關(guān)知識、經(jīng)驗和思想用書面形式表達(dá)出來的記敘方式。如何寫一篇有思想、有文采的作文呢？以下是小編為大家收集的Saving Water英語作文，歡迎閱讀與收藏。
The world is not only hungry, hut 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 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 ihe 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. Hut our need for water is increasing rapidly almost day by day. Only if wc take steps to deal with this problem now can wc avoid a severe worldwide water shortage later on. A limited water supply would have a bad effect on agriculture and industry. Let rne give you just one small example of how necessary water is to industry. Did you know that to produce a single ton of steel, il takes about 91*000 liters of water?
We all have to learn how to stop wasting our precious water. One of Ihe first steps wc should take is to develop ways of reusing it. Experiments have already been done in this field, but only on a small scale. For us. the systems are as important as the spacecraft.
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