更多"Water supplies are cut"的相关试题:
[单项选择]Underground water supplies about（）
A. 80% of Australia’s water
B. 48% of Australia’s water
C. 18% of Australia’s water
D. 80% of Australia’s water
[多项选择]Water Problems
Where’’s the water
Water. If you’’ve got it, you probably take it for granted. But a quick look at the globe — and a chat with the tiny group of researchers who are worrying about fresh water — both indicate that water shortages are very serious.
And they aren’’t necessarily in the future, either. Here’’s what we’’ve read in the past week or so.
... Mexico City (home to 20 million people) is sinking because the city sucks out underground water faster than the aquifer can be refilled.
... Florida wants to refill its overpumped aquifer (蓄水层) with untreated surface water, despite federal regulations to the contrary.
... Texas is moving toward private, for-profit water sales. The water will be "mined" from aquifers that are disappearing fast. No word on what the private suppliers, including corporate raider T. Boone Pickens, will do once the aquifers run dry.
... Aquifers around the world are being overtapped for irrigated agriculture, which f
[单项选择] Water Problems
Where’’s the water
Water. If you’’ve got it, you probably take it for granted. But a quick look at the globe — and a chat with the tiny group of researchers who are worrying about fresh water — both indicate that water shortages are very serious.
And they aren’’t necessarily in the future, either. Here’’s what we’’ve read in the past week or so.
... Mexico City (home to 20 million people) is sinking because the city sucks out underground water faster than the aquifer can be refilled.
... Florida wants to refill its overpumped aquifer (蓄水层) with untreated surface water, despite federal regulations to the contrary.
... Texas is moving toward private, for-profit water sales. The water will be "mined" from aquifers that are disappearing fast. No word on what the private suppliers, including corporate raider T. Boone Pickens, will do once the aquifers run dry.
... Aquifers around the world are being overtapped for i
A. Y
B. N
C. NG
[填空题]
Water Warnings
Urgent Tasks for China
Water has long been considered an inexhaustible resource. But China is facing an unmistakable water crisis, and recently, because of increasingly hard-to-miss symptoms of the shortage, people in all parts of society are beginning to realize just how precious commodity water really is.
At first glance, it seems like there should be enough: China’s total supply of freshwater resources ranks sixth in the world, after Brazil, Russia, Canada, the United States and Indonesia. But despite this apparent advantage, China’s per capita water resources fall far below the world average of 7,600 cubic meters per-capita due to the country’s enormous population size. China’s per-capita amount of 2,200 cubic meters is expected to decrease further as the country continues its rapid economic growth and population expansion.
"Without excessively exploiting underground water, China has a water gap of nearly 40 bill
