第1个回答 2023-02-03
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. For us, the systems are as important as the spacecraft.
节约用水
我们的世界不仅饥饿，而且因为缺水而干渴。对你来说这可能似乎奇怪：因为我们的地球表面75％由水覆盖着。但是，这巨大的数量中97％是海水、或咸水。只有剩下3％
的来自河流、湖泊、地下，和其他来源的淡水供人们饮用、使用。即使如此，这3％的水源我们也不能够完全使用，因为有些淡水是以冰山或冰河的形式存在。更糟糕的是，一些水源已遭受了污染。
然而，尽管按现状看来，这些少量的淡水即使时常转化成雨水的形式，对我们来说，也仍然够用。可是我们对水的需求却日益迅速增长。我们只有现在采取措施解决这一问
题才能避免未来世界范围内的严重水资源缺乏。限量供水会对农业和工业产生不良的影响。我们举个小小的事例就能证明水对工业的必要性。每生产一吨钢材就要消耗91，000升水，你知道吗?
我们必须杜绝对宝贵水资源的浪费。我们应该采取的第一步就是要发展水再利用的方法。该领域的实验已在进行，但是仅是小规模地进行。水资源再利用系统的重要性
对我们而言，与空间站不相上下。
第2个回答 2023-06-11
Title: The Importance of Water Conservation（节约用水的重要性）
Introduction:
Water is a precious resource that sustains life on Earth. It is crucial for us to understand the importance of conserving water and adopt habits of diligence and frugality in its usage.
水是地球上维持生命的宝贵资源。我们必须理解节约用水的重要性，并养成勤俭节约水资源的习惯。
Body:
1. Limited Water Supply:
Water is a finite resource, and the available fresh water on Earth is scarce. With a growing population and increasing water demands, it is vital to conserve water to ensure its availability for future generations.
2. Environmental Impact:
Water conservation is closely linked to environmental sustainability. By using water wisely and minimizing wastage, we can preserve ecosystems, protect aquatic life, and maintain a balance in our natural surroundings.
3. Financial Savings:
Conserving water not only benefits the environment but also leads to financial savings. By reducing water usage, we can lower our water bills and save money. This can be achieved through simple actions like fixing leaks, using efficient appliances, and practicing water-efficient habits.
4. Agricultural and Industrial Needs:
Water is crucial for agriculture and industrial processes. By conserving water in our daily lives, we can help ensure that sufficient water resources are available for agriculture, manufacturing, and other essential sectors, supporting sustainable development.
5. Individual Responsibility:
Each individual has a responsibility to contribute to water conservation. By adopting small changes in our daily routines, such as taking shorter showers, turning off faucets when not in use, and using water-efficient devices, we can collectively make a significant impact on preserving water resources.
Conclusion:
Water conservation is an urgent global priority. By being diligent and frugal in our water usage, we can ensure a sustainable future for generations to come. Let's recognize the importance of conserving water and take action to protect this precious resource.
节约用水的重要性
导言：
水是地球上维持生命的宝贵资源。我们必须理解节约用水的重要性，并养成勤俭节约水资源的习惯。
正文：
1. 有限的水资源供应：
水是有限的资源，地球上的淡水资源非常有限。随着人口增长和用水需求增加，节约用水对于保证未来几代人的水资源供应至关重要。
2. 环境影响：
节约用水与环境可持续发展密切相关。通过明智使用水资源并减少浪费，我们可以保护生态系统，保护水生生物，并保持自然环境的平衡。
3. 节约经济：
节约用水不仅对环境有益，还能节约开支。通过减少用水量，我们可以降低水费并节省金钱。这可以通过简单的行动实现，如修复漏水，使用高效设备，养成节水习惯等。
4. 农业和工业需求：
水对于农业和工业过程至关重要。通过在日常生活中节约用水，我们可以帮助确保足够的水资源供应给农业、
制造业和其他重要行业，支持可持续发展。
5. 个人责任：
每个人都有责任为节约用水做出贡献。通过在日常生活中做出小的改变，如缩短淋浴时间、关闭未使用的水龙头、使用节水设备等，我们可以共同对保护水资源产生重要影响。
结论：
节约用水是全球紧迫的优先事项。通过在用水方面保持勤俭节约，我们可以为子孙后代确保可持续的未来。让我们认识到节约用水的重要性，并采取行动保护这一宝贵资源。