1970年Gold Smith提出皮肤恶性黑瘤的临床分期意义是什么?
参考答案：
判断病程的早晚，便于拟定治疗方案，估计预后，评价疗效。
All flights ___ because of the storm, they had to wait in the hall. [ ]
A. have put off
B. were put off
C. have been put off
D. having been put off
纤维支气管镜检查的适应证不包括（）
A.怀疑肺或支气管的出血，需明确部位及性质
B.支气管内异物
C.支气管内膜结核
D.严重心脏病
E.肺内孤立肿块
