突然呕血1500ml出现休克的病人,在了解一般情况后,首先应
A.止血药物的应用B.作中心静脉压测定C.检查出血原因D.静脉切开输血E.剖腹检查手术
参考答案:D
颧髎穴位于目外眦直下平下列哪个部位()
A.口角旁
B.颏唇沟
C.颧弓下
D.鼻翼旁
E.耳垂下
None of us expected Mr.Johnson to _____ at the party.We thought he was still abroad.
A.turn in
B.turn on
C.turn up
D.turn over