男,11岁,1年来尿频、尿急、尿痛和排尿困难,尿流突然中断,改变体位又能继续排尿。应首先考虑()
A.膀胱炎
B. * * 炎
C.包茎
D.膀胱结石
E.泌尿系结核
参考答案:D
When my parents were young, they had to ________ several miles every day to school since they had no
money to buy a bike.[ ]
A.occupy
B.cover
C.get
D.make
人体组织的自然对比,密度由高至低排列,下述哪组正确()。
A.骨骼-脂肪、软组织-体液-气体
B.骨骼-脂肪、体液-软组织-气体
C.骨骼-体液、软组织-气体-脂肪
D.骨骼-体液、脂肪-软组织-气体
E.骨骼-软组织、体液-脂肪-气体