下列哪种肾损伤不需早期立即手术
A．肾碎裂
B．肾横断
C．肾挫裂伤
D．肾蒂断裂
E．肾盂撕裂伤
参考答案：E
Class is over. Let's stop ________.[ ]
A. to have a rest
B. having a rest
C. had a rest
D. have a rest
预先危险性分析中危险程度为第三级时，是指( )。
A．危险的B．临界的C．安全的D．灾难性的
