节俭水的英语作文

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节俭水的英语作文

节俭水

节俭水的英语作文

How to protect/save our environment/world?

The environmental pollution is worse and worse /more and more seriously today . Water is polluted ,we have no clean water to drink Many trees are cutting down, some animals is getting leand less.Some factories is poring dirty air in the sky , the population is increasing faster and faster ,resources is getting leand less…etc. Not only does it affect our lives and health, it also has a great affection in the future. people"s health has been greatly affected by air, noise and water pollution. Many people died of diseases.In order to live a better life, we need protect our world.

We shouldn’t throw away rubbish everywhere.We want to recycle ,reduce ,reuse things .Don’t waste things ,This saves money and reduces pollution. Use things for as long as possible. We don’t use plastic bags . We mus plant more trees and stop the people cutting them .We hope our world is more and more beautiful .

Saving Water

The world is not only hungry,but also thirsty for water. This may seem strange to you, since nearly 75 % of the earth's surf-ace 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. For us, the systems are as important as the spacecraft.

节俭用水

咱们的天下不只饥饿，并且由于缺水而干渴。对你来讲这可以或许仿佛奇异：由于咱们的地球外表75%由水笼盖着。可是，这庞大的数目中97%是海水、或海水。只要剩下3%

的来自河道、湖泊、公开，和其余来历的海水供人们饮用、操纵。即便如斯，这3%的水源咱们也不可以或许完整操纵，由于有些海水因此冰山或冰河的情势存在。更糟的是，一些水源已蒙受了净化。

可是，虽然按近况看来，这些少许的海水即便经常转化成雨水的情势，对咱们来讲，也依然够用。可是咱们对水的需要却日趋敏捷增加。咱们只要此刻采用办法处理这一问

题能力防止将来天下范围内的严峻水资本缺少。限量供水会对农业和产业发生不良的影响。咱们举个小小的'事例就可以证实水对产业的须要性。每出产一吨钢材就要耗损91，000升水，你晓得吗?

咱们必须根绝对可贵水资本的华侈。咱们应当采用的第一步便是要成长水再操纵的方式。该范畴的尝试已在停止，可是仅是小范围地停止。水资本再操纵体系的主要性

对咱们而言，与空间站不相高低。

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