A.PaO250mmHg B.PaO2<60mmHg.PaCO2<50mmHg C.PaO2<70mmHg.PaCO2<50mmHg D.PaO265mmHg E.PaO2=90mmHg.PaCO2=40mmHg
A.IgG B.IgA C.IgM D.IgE E.SIgA