A.PaO2 65mmHg,PaCO2 35mmHg B.Pa02 55mmHg,PaC02 55mmHg C.Pa02 40mmHg,PaC02 35mmHg D.PaO2 70mmHg。PaC02 35mmHg E.Pa02 80mmHg,PaC02 35mmHg
A.21%~24% B.25%~29% C.30%~35% D.36%~40% E.41%~50%