治各种内痈，又治湿热黄疸宜选（）
A.大青叶
B.蒲公英
C.黄连
D.牛黄
E.土茯苓
参考答案：B
—Americans spend more on health care than most other people .
— You’re right . But a new study shows that life in the United States is falling .
A．development
B．position
C．experience
D．expectancy
A．
B．
C．
D．
