填空题

Two-thirds of the freshwater on Earth is locked in ______.

【参考答案】

glaciers and ice caps
<上一题 目录 下一题>
热门 试题

填空题
According to Peter H. Gleick, by the year 2025, as many as ______ of the world’s people will suffer from water shortages.
填空题
The problems Americans face concerning water are ground water shrinkage and tap water pollution.
相关试题