视神经的血供来源于()
A.大脑前动脉
B.大脑中动脉
C.眼动脉
D.脉络膜前动脉
E.以上都不对
参考答案:C
--- There is lots of water all over the floor. Would you please _?
---With pleasure.
A.mop it up
B.mop up it
C.to mop it up
D.to mop up it
患儿,2岁。父亲帮穿衣时牵拉左腕,患儿突然大哭,左肘不能活动。诊断考虑为()
A.左腕关节脱位
B.左肘关节脱位
C.左桡骨小头半脱位
D.左肱骨髁上骨折
E.左肱骨外髁撕脱性骨折