书面表达。
根据以下提示写一篇有关水的文章：
水对人类来说是非常的重要。没有水我们就不能生存。适合人类喝的水是越来越少了。但是有
些人却不关心或不在意。日常生活中他们浪费很多水。更糟糕的是他们排放污水到河流里。还乱扔
垃圾到河流理去。很多河流湖泊已经受到严重污染。
人类必须采取一些措施来制止污染。只有这样，我们才过得幸福开心。如果我们不节约水，那么
最后一滴水也许会是我们人类的眼泪。
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As we know, water is very important to man, we can’t live without water. The amount of water which
is suitable to drink is less and less. But some people don’t care about it . They waste a lot of water in their
daily life. Even worse, they pour dirty water in to rivers. They throw rubbish into rivers , too. Many rivers
and lakes are seriously polluted.
Something must be done to stop the pollution. Only in this way can we live happily. If we don't save
water, the last drop of water will be a tear-drop of us.
(答案不唯一)