皮皮学，免费搜题
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【单选题】
电力系统状态估计的正确表述是（）A.
对 SCADA 数据库的精加工
B.
运行状态估计
C.
事故预测
D.
负荷预测
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
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【单选题】患者，男，50岁，CO中毒1天后入院。处于浅昏迷状态、脉搏30次/分、皮肤多汗、面色潮红、口唇呈樱桃红。护士给患者吸氧，氧流量应为
A.
1-2L/分钟
B.
2-4 L/分钟
C.
4-6 L/分钟
D.
6-8 L/分钟
E.
8-10 L/分钟
【简答题】什么是功率因数？提高功率因数的意义是什么？有哪些措施？
【简答题】什么是功率因数？提高功率因数的意义是什么？有哪些措施？
【简答题】翻译下面有关冠状病毒的葡语文章: Os Coronavírus são uma grande família viral que causam infecções respiratórias emseres humanos e em animais. Os Coronavírus humanos causam doença respiratória,de leve a moderada, no t...
【单选题】患者男，50岁。因CO中毒1天后入院，患者处于浅昏迷状态、脉搏130次/分、皮肤多汗、面色潮红、口唇呈樱桃红色。护士给患者吸氧，氧流量应为
A.
1～2L/min
B.
2～4L/min
C.
4～6L/min
D.
6～8L/min
E.
8～10L/min
【单选题】The girl who is kept _________ the nurse has _______ ill since last week.
A.
in the charge of fallen C. in the charge of been
B.
in charge of been D. taken charge of fallen
【单选题】It is believed that efforts at resuscitation are useless when ______.
A.
artificial respiration and massage of the heart have yielded no obvious result
B.
a person's heartbeat and breath have totally stopped
C.
standard methods of resuscitation have failed
D.
the brain is certainly dead
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