我国初次接种麻疹疫苗的适宜年龄是()
A.5个月
B.3个月
C.8个月
D.10个月
E.12个月
参考答案:C
-Dad, where are my socks?
-______ on the bed?
A. Is it
B. Are they
C. It’s
D. They’re
下列关于人体分阴阳描述正确的是
A.上为阳、下为阴
B.体表为阳,体内为阴
C.背为阳,腹为阴
D.心肺为阳,肝脾肾为阴
E.五脏为阳,六腑为阴