单项选择题
A.90g/L B.100g/L C.110g/L D.120g/L E.130g/L
A.4岁 B.6岁 C.8岁 D.10岁 E.12岁
A.毛发稀疏、发黄 B.头围增大 C.肝、脾大 D.震颤 E.舌炎