水资源短缺问题正变得更糟。
21世纪水资源短缺问题是世界关注的焦点。
Water resource shortage will be the focus all over the world in 21st century.
另一个问题是水资源短缺。
水资源短缺是中国一个严重的问题？如果是这样的话，举一些例子。
Is water shortage a serious problem in China? If so, give some examples.
水资源短缺已成为当今世界普遍关注的问题。
Water resources shortage is a problem paid general attention to in today's world.
我国许多城市，特别是北方城市面临水资源严重短缺的问题。
Many cities in China, especially in northern cities facing serious water shortage problem.
水资源短缺是中国一个严重的问题？
淡水资源短缺是全球性问题。
The shortage of water resource has been a worldwide problem.
淡水资源短缺是全球性问题。
The shortage of water resource has been a worldwide problem.
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