室间隔损、房间隔缺损、动脉导管未闭及法洛四联症,上述的先天性心脏病患儿平时最常见的并发症是()
A.肺炎
B.脑栓塞
C.心律失常
D.喉返神经麻痹
E.感染性心内膜炎
参考答案:A
Some social workers_____ different skills often meet at the centre.
A.with
B.has
C.have
D.are
首先考虑为肝硬化腹水的是( )
A.漏出液B.渗出液C.血性D.脓性E.乳糜性