GMAT
In many of the world`s regions, increasing pressure on water resources has resultedfrom expanding development, changes in climate, and pollution, so that future supplies in some of the more arid areas are a concern
In many of the world`s regions, increasing pressure on water resources has resultedboth from expanding development or changes in climate, and pollution, so that future supplies in some of the more arid areas are a concern
题目基本信息