It is estimated that water use will rise by 50% in the next 30 years. Most developed countries will face water shortages in 20

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问题 It is estimated that water use will rise by 50% in the next 30 years.
Most developed countries will face water shortages in 20 years.

选项 A、Right
B、Wrong
C、Not mentioned

答案C

解析 文章没有直接提到发达国家是否面临水短缺的问题。
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