溃疡型肠结核最重要的X线表现是
A．肠壁铺卵石样充盈缺损B．肠段狭窄、收缩与变形C．线样征D．铅管征E．跳跃征
参考答案：E
--- What’s the matter? You are like that for a few minutes.
--- Well, it is bound . I’m thinking if we need get the wet clothes back to the room.
A．to rain
B．to have rained
C．rained
D．raining
多来自肾盂，为中层移行上皮细胞的是 （）
A.肾小管上皮细胞
B.大圆上皮细胞
C.尾形上皮细胞
D.小圆上皮细胞
E.鳞状上皮细胞
