治疗张力性气胸下列哪项是错误的（）
A.吸氧
B.粗针头排气
C.皮下气肿切开排气
D.胸腔闭式引流
E.气管插管，辅助呼吸
参考答案：E
Jack was halfway back to the village where his mother lived _____ Mary caught up with him. [ ]
A. when
B. while
C. until
D. though
（）与颅内静脉相交通。
A.椎内静脉丛
B.椎外静脉丛
C.两者均是
D.两者均否
