诊断良性骨肿瘤的X线诊断依据是()
A.骨质膨胀破坏,骨皮质亦破坏
B.破坏区边界清楚
C.无软组织肿块
D.无骨膜反应
E.并发病理性骨折时,可有骨膜增生
参考答案:B, C, D
---How about your job hunting?
---No luck. Now, I’ve reached the stage________ I don’t care what I do.
A.which
B.when
C.where
D.that
根据对患者人身造成的损害程度,医疗事故分为5级。()