单项选择题
A.牛乳喂养 B.及时添加蔬菜、水果 C.给铁剂 D.母乳喂养 E.及时添加蛋黄、豆类、肉类
A.90~120g/L B.100~145g/L C.110~120g/L D.120~145g/L E.150~220g/L
A.144~120g/L B.121~100g/L C.10~90g/L D.100~90g/L E.140-110g/L
A.90g/L B.110g/L C.120g/L D.130g/L E.145g/L
A.出生后1~2周 B.出生后2-5周 C.出生后5~8周 D.出生后8~12周 E.出生后12周以后
A.6个月 B.5个月 C.4个月 D.3个月 E.2个月