PTCD术的并发症有（）
A.胆道出血
B.造影剂过敏
C.逆行胆道感染
D.气胸
E.胆汁漏
参考答案：A, C, D, E
Oxford University is ________ with tourists for its beautiful old buildings.
A．different
B．famous
C．special
D．popular
在胸片上表现为肺血增多的心脏病有（）
A.室间隔缺损
B.三尖瓣闭锁不全
C.房间隔缺损
D.肺动脉狭窄
E.动脉导管未闭
old buildings.