单项选择题
A.50ml B.100ml C.150ml D.200ml E.500ml
A.10-20 B.20-30 C.30-40 D.40-50 E.50-70
A.10%葡萄糖液 B.5%葡萄糖液 C.0.9%NS D.0.45%NS E.平衡盐溶液