营养性缺铁性贫血的病因是（）
A.牛奶摄入量少
B.生长发育迟缓
C.未及时添加含铁辅食
D.过期产儿
E.未及时添加钙剂
参考答案：C
A: I was hoping that you’d wear your new dress. It’s much prettier. B: __________________
A. But this one is more comfortable for hot weather.B. But I like this one and it’s none of your business.C. Forget it. It cost me a fortune.D. But I don’t care about my appearance.
皂荚丸所用皂荚的炮制方法为酥炙（
