单项选择题
A.1000mOsm/L B.1100mOsm/L C.1200mOsm/L D.1300mOsm/L
A.10%~20% B.20%~25% C.25%~30% D.30%~35%
A.90mmHg B.80mmHg C.60mmHg D.50mmHg
A.0.23~0.35 B.0.33~0.45 C.0.43~0.55 D.0.55~0.65
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