患者,男,50岁,急性肾衰少尿期,患者突然呼吸困难,头痛、头晕,软瘫,心律不齐,心动过缓,腹胀,应考虑()。
A.高钾血症
B.酸中毒
C.水中毒
D.低钾血症
E.尿毒症
参考答案:A
He has never visited the Great Hall of the People, ____?[ ]
A. hasn't he
B. has he
C. does he
D. doesn't he
红外轴温通道噪声指标是电气化区段()一般区段<-49.8dB。
A.<-43.6dB
B.<-46.8dB
C.<-51.6dB
D.<-52.6dB