女,10岁,左大腿疼痛,夜间加重,肿胀明显,结合图像,最可能的诊断是()
A.成骨性骨转移
B.化脓性骨髓炎
C.骨肉瘤
D.骨化性肌炎
E.以上都不正确
参考答案:C
John and I have just been telling stories two of us.
A.ourselves
B.to each other
C.each of us
D.both
下列属于原位癌的是
A.隐性肺癌B.局限于管、泡内的乳腺小叶癌C.单纯癌D.胶样癌E.小肝癌