下述骨肿瘤的X线表现中,恶性骨肿瘤的表现为()
A.类圆形透光区边缘增生硬化
B.骨膨胀性破坏
C.骨破坏区边缘模糊
D.骨破坏区内有残留骨小梁
E.骨破坏区边缘清晰
参考答案:C
--Is there ________in today’s newspaper?
--No , nothing is important.
A. anything important B. important anything C. something important
在任内使中山医学院养成“三基”、“三严”优良学风的院长是谁?