GRE Reading Comprehension: Maggoosh-GRE阅读Maggoosh - 078T1B543NMU46W5M

The passage is primarily concerned with A. arguing how the world's hydrological cycle is irrevocably changing B. highlighting the inadequacy of relying on last century's hydrological cycle C. discussing the consequences of decreased water supply in dams D. warning against the unrestrained exploitation of natural resources E. describing how the Earth's water will be affected by global warming