由于水和电解质平衡紊乱可致（）。
A.热射病
B.热痉挛
C.热衰竭
D.中暑
E.休克
参考答案：B
逆行肾盂造影的术前准备，不包括（）
A.碘过敏试验
B.清洁肠道
C.麻醉剂过敏试验
D.检查当日禁食
E.有关膀胱镜检查准备
— I want to sit at the table near the air conditioner.
— I'm sorry, but it ________ already. [ ]
A. has taken
B. has been taken
C. was taken
D. took
