如上哪个月龄开始添加蛋黄()
A.1-2个月
B.2-4个月
C.4-6个月
D.7-9个月
E.10-12个月
参考答案:C
—Are you _____ now, Dave? I'm visiting you.
—Sorry, I'm _____ vacation with my mother.[ ]
A. in; in
B. in; on
C. on; on
D. on; in
劳动者依法享有社会保险待遇的情形是( )
A.退休
B.患病
C.生育
D.失业