既能解表散寒，通窍止痛，又能燥湿止带，消肿排脓的中药是（） A.细辛 B.荆芥

餐饮成本构成中所占比例最高的成本是（）。

A.人工成本

B.原材料成本

C.建筑成本

D.能源成本

Many air flights _________because of the eruption of the volcano, in _______case, many passengers had no choice but to take a train.

A．had been cancelled; which

B．have been cancelled; what

C．had been canceling; that

D．have been canceling; where

Daniel is helpful, and he always_______.[ ]

A. thinks of himself first  

B. thinks of others first

C. thinks himself first    

D. thinks others first

破伤风的诊断要点中，不包括（）。

A.有外伤，新生儿脐带消毒不严，产后感染等病史

B.高热及喷射状呕吐

C.早期出现乏力，头痛，舌根发硬，张口困难，咀嚼无力等症状

D.典型的临床表现为肌肉持续性强直收缩及阵发性抽搐，苦笑面容，颈项强直，角弓反张

E.强光、声响等刺激可诱发抽搐发作

猝死最常发生于

A．冠心病

B．主动脉瓣狭窄

C．二尖瓣脱垂

D．肥厚型心肌病

E．心内膜炎