搜题请搜索小程序“爱下问搜题”
问题 单项选择题 共用题干题

维生素D缺乏病预防和早期诊断十分重要

婴幼儿每日需要维生素D3的剂量是（）

A.2.5μg

B.5μg

C.10μg

D.25μg

E.50μg

答案

参考答案：C

问答题 简答题

《干部任用条例》对领导班子建设是怎样规定的？
查看答案
选择题

— I didn't go to work yesterday because my car broke down.

— You _____ mine. I wasn't using it then. [ ]

A. might borrow    

B. should borrow  

C. must have borrowed  

D. could have borrowed

查看答案