高二阅读理解精练精析(英文)

A For most Americans, a clean glass of wa-ter is just a faucet (水龙头) away. But for many of the world’s poorest citizens, a small safe drink is no short trip to the tap. On Wednesday,the United Nations (UN) marked World Water Day by committing to cut the number of people without drinking water— 1 billion hum an beings worldwide—in half. Over the next decade, the UN will work with governments around the globe to reduce the shortages. With no clean water on hand, many peo-ple turn to using water sources that a...