术后预防创面渗血选用（）。
A.指压止血
B.包扎止血
C.填塞止血
D.结扎止血
E.药物止血
参考答案：B
Not until the party had begun _____. [ ]
A. he did arrive
B. didn't he arrive
C. he arrived
D. did he arrive
强直性脊柱炎（）
A.脊椎呈竹节样
B.骨膜反应呈三角形
C.骨端膨胀呈肥皂泡样
D.长管骨干骺区有骨性疣状突起
E.有死骨形成并有包壳
