单项选择题
A.1/2 B.1/3 C.1/5 D.1/4 E.1/6
A.0.26% B.0.29% C.0.27% D.0.28% E.0.30%
A.80% B.60% C.50% D.70% E.40%
A.12.1±2.09U/gB(37℃) B.1.2.4±2.09U/gHb(37℃) C.12.0±2.09U/gHb(37℃) D.12.2±2,09U/gB(37℃) E.12.3±2.09U/gHb(37℃)
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