良性骨肿瘤的X线表现特点是()。
A.边缘清楚,无骨膜反应
B.骨质破坏
C.边缘不清楚,有明显的骨膜反应
D.可见Codman三角
E.呈多处虫蛀状
参考答案:A
补全对话。
A: I want _____________ put this table _____________ there. But it's _____________ heavy.
Could you _____________ me?
B: _____________! _____________ do you want to put it?
A: Under the tree.
B: _____________.
A: Please _____________ a bottle of orange.
B: _____________ you.
A: Would you like another one?
B: No. _____________.
诊断室间隔缺损的首选方法是()
A.X线平片
B.心血管造影
C.MRI
D.超声心动图
E.CT