溶栓疗法必须在AMI发生后多长时间内使用有效()
A.6h
B.12h
C.24h
D.3d
E.6d
参考答案:A
国际上,IB又分为独立执业的IB(IIB)和由期货公司担保的IB(GIB)。前者与期货佣金商签订担保协议,借以免除对IB的资本和记录的法定要求。后者则必须维持最低的资本要求,并保存账簿和交易记录。( )
The (72) is a system for linking hypertext documents Originally, each document was a page written in (73) with hyperlinks to other documents.Nowadays,XML is gradually starting to take over from (73) .
A.JSP
B.HTML
C.ASP
D.PHP