A.
B.
C.
D.
[单选题]A.B.C.D.
[单选题]A.B.C.1D.2
[判断题]A.对B.错
[多选题]A.0.796HZB.0.025HZC.0.0796HZ
[单选题]A.鼻导管吸氧B.面罩吸氧C.Venturi面罩吸氧D.附储气袋面罩吸氧E.不需给氧