扩张静脉和动脉,起效快,维持短的是()
A.硝酸甘油
B.肼屈嗪
C.哌唑嗪
D.硝苯地平
E.硝普钠
参考答案:E
In order to be ________ for Christmas, all these gifts must be mailed immediately.
A.at one time
B.in time
C.at a time
D.in no time
简述川崎病的超声心动图表现。