骨折愈合过程可分为______、______、______和______四期。
参考答案:血肿形成、纤维性骨痂形成、骨性骨痂形成、骨痂改建
CT发现右侧肱骨骨干髓腔内密度增高,骨皮质破坏,外侧可见软组织肿块,肿块内有肿瘤骨,最可能的诊断是()
A.软骨肉瘤
B.骨旁骨肉瘤
C.骨肉瘤
D.尤文肉瘤
E.恶性巨细胞瘤
— Does the idea of working abroad ______ you?
— Yes. But I have no chance. [ ]
A. lead to
B. adapt to
C. appeal to
D. contribute to