题目

下列物质的用途与其化学性质相关的是（ ） A．用铝作导线B．用汽油去除衣物上的油污C．用天然气作燃料煮饭D．用氦气填充探空气球 答案：CPeople that lived in the mountains didn’t have wells in the past, so they had to ______ water from a stream far away.A. bring B. fetch C. take D. give