肾性急性肾衰的常见原因是 A．上呼吸道感染 B．严重挤压伤 C

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问题单项选择题

肾性急性肾衰的常见原因是

A．上呼吸道感染
B．严重挤压伤
C．双侧输尿管结石
D．药物中毒
E．缺水、血容量减少

答案

参考答案：D

选择题

— Jack has spent an hour in the shoe shop．Hasn't he decided which pair of shoes to buy?

— Maybe．Young as he is, he is about his appearance．

A．special

B．curious

C．particular

D．confident

判断题

气密性试验时，需喷涂发泡剂，以检查有无泄漏。