国家对商标权、专利权等知识产权的保护有( )。
A．合法性 B．期限性 C．真实性 D．长期性
参考答案：B
– What made Lucy so happy?
---_______ a medal as her reward for her service.
A As she was given B Having been given C Have been given D Given
月骨周围腕骨脱位在X线平片的表现为（）
A.正位片上头月关节间隙消失
B.侧位片月骨脱出于掌侧
C.侧位片头骨向掌侧移位于月骨的前下方
D.正位片上头月关节间隙加大
E.以上都不是
