腕部Colles骨折摄影方法，错误的是（）

A.中心线垂直射入尺、桡骨茎突连线中点

B.必须包括尺、桡骨远端5～8cm

C.腕关节轴位

D.腕关节正位

E.腕关节侧位

      we are not attacked by nuclear weapons, we promise that uncler no circumstances       use

the bomb first but we rescrve the right to use it for counter-attack when necessary.       [ ]

A. As long as; we shall      

B. If; shall we      

C. So long as; shall we      

D. Even if; we shall