当前国际上将围产期定为()
A.从出生到28天
B.生后28天到满1周岁
C.胎龄28周到出生后7天
D.孕期28周到出生后半个月
E.从受孕到分娩
参考答案:C
________ you didn't know the rules won't be an excuse for your failure to report.
A.That
B.Where
C.What
D.Why
现有运用货车空重车自动调整装置共有哪几种型式?