该患者予以左眼内直肌后徙+外直肌缩短术,术中切断睫状前动脉几支
A.2支B.3支C.4支D.5支E.6支
参考答案:B
It is not so difficult to learn program well. you need is patience and persistence.
A.Something
B.All
C.Both
D.Everything
国家规定有数量限制的进口货物实行( )管理。
A.关税配额
B.配额招标
C.进口许可证
D.自动进口许可证