腰麻最常见的并发症是()
A.头痛
B.背痛
C.尿潴留
D.恶心、呕吐
E.心悸、气短
参考答案:A
My mother used to tell me when I was a child, “Don’t take things that ______ to you”.
A.aren’t belonged
B.aren’t belonging
C.don’t belong
D.won’t be belonged
供应视网膜内5层营养的血供来源为()。
A.睫状后短动脉
B.睫状前动脉
C.睫状后长动脉
D.视网膜中央动脉
E.视网膜睫状动脉