慢性阻塞性肺疾病合并呼吸衰竭时,在治疗过程中易发生的电解质紊乱是()
A.低钠血症
B.高钾、低氯血症
C.低钙血症
D.低钾、低氯血症
E.高氯血症
参考答案:D
Straight away I went to buy the tickets, but there were _____ left for the next public holiday. [ ]
A. nothing
B. none
C. neither
D. no one
船舶在港内冲刷甲板、油漆时须经()批准。
A.船长
B.公司
C.海事局
D.随意