2. 外语
  3. Humanity uses less than half the water available worldwide. Yet【S1】______of shortages and droughts (干旱) are causing famine and d

Humanity uses less than half the water available worldwide. Yet【S1】______of shortages and droughts (干旱) are causing famine and d

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问题     Humanity uses less than half the water available worldwide. Yet【S1】______of shortages and droughts (干旱) are causing famine and distress in some areas, and industrial and【S2】______by-products are polluting water supplies. Since the world’s population is expected to【S3】______in the next 50 years, many experts think we are on the edge of a【S4】______water crisis. But that doesn’t have to be the【S5】______. Water shortages do not have to trouble the world—if we start【S6】______water more than we have in the past. Just as we began to【S7】______petroleum more after the 1970s oil crises, today we must start looking at water from a【S8】______economic perspective. We can no longer afford to consider water a【S9】______free resource of which we can use as much as we like in any way we want. Instead, for all uses except the domestic demand of the poor, governments should price water to reflect its【S10】______value. This means charging a fee for the water itself as well as for the supply costs. Governments should also protect this resource by providing water in more economically and environmentally sound ways. No matter what steps governments take to provide water more efficiently, they must change their institutional and legal approaches to water use and should set up central authorities to coordinate water policy.

A) valuing       B) fresh            C) vacant            D) widespread
E) outcome       F) potentially      G) occurrences       H) actual
I) virtually     J) double           K) agricultural      L) generate
M) negative      N) appreciate       O) attacking
【S3】
选项
答案J
解析
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大学英语四级

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