妊娠末期无痛性 * * 流血应首先考虑
A．双胎B．前置胎盘C．胎盘早剥和羊水栓塞D．羊水过多E．妊娠合并心脏病
参考答案：B
His report was so exciting that it was _______ interrupted by applause. [ ]
A. constant
B. constantly
C. seldom
D. never
配股一般采用网上定价发行与网下询价配售相结合的方式。（）
