肺动脉收缩早期喷射音可见于
A．缩窄性心包炎B．心力衰竭C．肺动脉高压D．二尖瓣脱垂综合征E．二尖瓣狭窄
参考答案：C
In spite of a problem with the faulty equipment, some very useful work was accomplished.
A．imperfect
B．temporary
C．emergency
D．reinstalled
河海大学常州校区前身为（）。
