早产治疗中,以下需要使用糖皮质激素促胎肺成熟的是()
A.<37周
B.<36周
C.<35周
D.<34周
E.以上均对
参考答案:D
The company should establish procedures by which()receive relevant information on the safety management system in working language or language understood by them.
A.New personnel
B.The ship's personnel
C.Personnel transferred to new assignments
D.Visitor
配制0.1%新洁尔灭3000毫升,需用5%的新洁尔灭多少亳升?