外固定器的适应症有
A．肢体严重开放性骨折
B．四肢闭合性骨折
C．内固定术后古感染
D．肢体延长
E．骨折不愈合
参考答案：A,B,C,D,E
If I had had enough time,I my work. [ ]
A. would finish
B.must have finished
C. would have finished
D.had finished
请根据以上资料，选择以下栏目的正确选项：
“运费”栏：（）。
A. 150
B. 502/150/2
C. 25
D. 不填
