血虚便秘恢复期可用： A．疏肝利胆 B．健脾和胃 C．逐瘀退黄 D．温阳化湿 E．清

— Did you catch what I said?

— Sorry. I ______ a text message just now. [ ]

A. had answering    

B. have answered    

C. would answer    

D. was answering

女劳疸的病因病机是

A．湿热

B．里寒

C．里热

D．肾虚

E．寒湿

电气火灾常用哪些类型的灭火器？

喷油时形成的针孔在NK手机I级面允有一个面积小于（）的针孔。

A.0.05MM2

B.0.1MM

C.0.15MM

D.以上均不是