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举一反三
【单选题】Transformer open circuit (OC) and short circuit (SC) tests allow us to calculate certain equivalent circuit values. Which parameters are calculated from the OC test and which are from the SC test?
A.
The OC test gives the resistances and the SC test gives the reactances
B.
The OC test gives the series impedance and the SC test gives the shunt admittance
C.
The OC test gives the shunt admittance and the SC test gives the series impedance
D.
The OC test gives the voltages and the SC test gives currents
【简答题】完形填空。 One day something went wrong with a man's bicycle chain (链条). The man could not repair it, so he looked 1 for help. The only house nearby belonged to a woman who had 2 there a few months earlier...
【单选题】患者,男,60岁。由于严重恶心呕吐导致急性消化液大量丢失。医生开具以下医嘱,应首先为该患者输入的是 A.5%NaHCO3溶液 B.平衡盐溶液 C.3%氯化钠溶液 D.5%葡萄糖溶液 E.10%葡萄糖溶液
A.
B.
C.
D.
E.
E
【简答题】人民法院受理破产申请后，有关债务人的民事诉讼，只能向受理破产申请的人民法院提起。( )
【单选题】患者胃底静脉曲张致上消化道大出血，遵医嘱给予输血。输血前应先输入
A.
5％葡萄糖溶液
B.
5％葡萄糖氯化钠溶液
C.
3％氯化钠溶液
D.
0．9％氯化钠溶液
E.
复方氯化钠溶液
【简答题】One day something went wrong with a man’s bicycle chain(链条). The man could not repair it, so he looked 1 for help. The only house nearby belonged to a woman who had 2 there a few months earlier. The m...
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