输尿管损伤的病因包括（）
A.开放性手术损伤
B.腔内器械损伤
C.放射性损伤
D.外界暴力损伤
E. * * 造影时损伤
参考答案：A, B, C, D
We have been good friends __________ we joined the music club.
A. before B. since C. until
下列哪种检查，不适合于肾损伤
A．大剂量静脉肾盂造影B．逆行尿路造影C．B超检查D．CT检查E．肾动脉造影
