抢救大咯血时最关键的措施是()
A.立即进行人工呼吸
B.立即使用呼吸中枢兴奋剂
C.立即鼻导管吸氧
D.立即采用解除呼吸道梗阻的措施
E.立即输血或输液
参考答案:D
______ admitted to famous universities,parents should try to cure their children ______ bad habits.
A.In order to;from
B.So as to be;of
C.So as to be;from
D.In order to be;of
简述逻辑斯蒂方程的假设条件。