(2018·河北衡水中学第四次检测)
Water supplies around the world are running dry.Scientists say the world is experiencing a shortage of fresh water.It will only worsen as the population grows fast and the climate changes.People living in the western part of the U.S.a re experiencing this now.For several years,there hasn’t been much water.But the American West is not the only place thirsty for water.
