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配置2:1等张含钠液120ml需()。

A.0.9%NaCl80ml,10%GS40ml
B.0.9%NaCl80ml,1.4%NaHCO340ml
C.0.9%NaCl80ml,5%NaHCO340ml
D.0.9%NaCl80ml,1.8%NaHCO340ml
E.0.9%NaCl40ml,5%NaHCO3

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