治疗阻塞性睡眠呼吸暂停低通气综合征的手术包括:()
A.鼻中隔矫正术
B.悬雍垂腭咽成形术
C.下颌骨前徙术
D.喉裂开术
E.气管切开术
参考答案:A,B,C,E
1 don't think he could have lost so much money last night,__?
A.did he
B.could he
C.do I
D.hasn't he
西安碑林有哪些书法家?