妇科外治法常用于哪种疾病( )
A．带下病B．阴疮C．阴痒D．阴挺E．以上都常用
参考答案：E
The alarm_______ when the thieves went into the office.
A．went away
B．went along
C．went by
D．went off
说明下列符号：DN.PN.Dg的意义和单位？
