其性上行,对于风痰壅盛、偏头风痛,最常用的药物是()
A.夏枯草
B.桑叶
C.禹白附
D.半夏
E.羌活
参考答案:C
The child _____ parents were killed in the air crash is now living with his aunt.
A.whose
B.his
C.who
D.whom
龈下刮治中,刮除牙石时刮治器工作面与根面的最佳角度为()
A.0度
B.30度
C.45度
D.80度
E.90度