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发布时间:2024-08-01 05:25:00

[单项选择] Humanity uses a little less than half the water available worldwide. Yet occurrences of shortages and droughts (干旱) are causing famine and distress in some areas, and industrial and agricultural by-products are polluting water supplies. Since the world’’s population is expected to double in the next 50 years, many experts think we are on the edge of a widespread water crisis. But that doesn’’t have to be the outcome. Water shortages do not have to trouble the world -- if we start valuing water more than we have in the past. Just as we began to appreciate petroleum more after the 1970s oil crises, today we must start looking at water from a fresh economic perspective. We can no longer afford to consider water a virtually 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 actual value. This means charging a fee for the water itself as well as for
A. guarantee full protection of the environment
B. centralize the management of water resources
C. increase the sense of responsibility of agencies at all levels
D. encourage local and regional control of water resources

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[单项选择]

Humanity uses a little less than half the water available worldwide. Yet occurrences of shortages and droughts are causing famine and distress in some areas, and industrial and agricultural by-products are polluting water supplies. Since the world’s population is expected to double in the next 50 years, many experts think we are on the edge of a widespread water crisis.
But that doesn’t have to be the outcome. Water shortages do not have to trouble the world—if we start valuing water more than we have in the past. Just as we began to appreciate petroleum more after the 1970s oil crises, today we must start looking at water from a fresh economic perspective. We can no longer afford to consider water a virtually free resource of which we can use as much as we like in any way we want.
Instead, for all used except the domestic demand of the poor, governments should price water to reflect its actual value. This means charging a fee for the water itsel
A. Only half of the world’s water can be used.
B. The world population is increasing faster and faster.
C. Half of the world’s water resources have been seriously polluted.
D. Humanity has not placed sufficient value on water resources

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