峻下逐水类药物炮制常用的辅料是（）
A.酒
B.醋
C.姜汁
D.盐水
E.甘草汁
参考答案：B
About five ____ people watched the Olympic Games in 2008, and _____ of them were from
foreign countries. [ ]
A. million; two million
B. millions; two millions
C. million; two millions
D. millions; two million
防止软盘感染病毒的有效方法是( )。
A．对软盘进行格式化
B．对软盘进行写保护
C．对软盘进行擦拭
D．将软盘放到软驱中
