网膜下腔出血的最常见病因是()
A.风湿性心瓣膜病
B.动脉粥样硬化
C.先天性颅内动脉瘤
D.糖尿病
E.高血压动脉硬化
参考答案:C
It seemed only several minutes _______ he finished this painting .
A.after
B.before
C.when
D.until
6个月~3岁的婴幼儿,诊断为发育性髋脱位,治疗选用()
A.全麻下手法闭合复位,髋人字石膏固定
B.股骨近端旋转截骨术
C.髋关节支具固定
D.Salter骨盆旋转截骨术
E.髋臼成形术