2013年高考英语二轮复习阅读理解训练60
阅读理解
阅读下列短文,从每题所给的四个选项（A、B、C和D）中,选出最佳选项,并在答题卡上将该项涂黑。
A
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.
