手术前病人最常见的护理诊断是
A．体液不足B．营养失调C．体温过高D．焦虑或恐惧E．潜在并发症
参考答案：D
We do jobs_____they need to be done and that could be early in the morning or late at night.
A．that
B．which
C．when
D．how
电动机额定功率的单位是（）。
A、KVA
B、KW
C、Kvar
