分数词用作状语　　

分数词主要有作定语，或是主语、宾语等，但有时也可用作状语。如：　　

China is one-sixth larger than the United States. 中国比美国大六分之一。　　

It was one-fourth cheaper than the market price. 它比市场价格低四分之一。　　

Houses cost one third more this year than they did five years ago. 今年房价比五年前上涨了三分之一。　　

The bottle had been about three-quarters full then. 那时瓶子里约莫四分之三满。　　

This substance reacts one-tenths as fast as the other one. 这种物质的反应速度是另一物质的十分之一。