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【单选题】
哮喘持续状态病人的护理不正确的是A.
保持有效吸氧
B.
保持呼吸道通畅
C.
加快输液速度,以纠正脱水,防止痰液黏塞
D.
专人护理,消除病人紧张恐惧心理
E.
严密观察血压、脉搏、呼吸及神志的变化
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】如果掺入半导体的是微量五价元素(通常是——P);由于 ( )浓度大大增加,成为多数载流子,因此主要导电方式是( )导电,这样的半导体是( )型半导体。
A.
空穴；空穴；P
B.
电子；电子；N
C.
空穴；空穴；N
D.
电子；电子；P
【单选题】Choose the correct interpretation :3.....to learn the ins and outs of hauling your own water and generating your own power. (Para. 6)
A.
… to learn how to pump water into and out of water tanks and how to install a power generator.
B.
… to learn each and every aspect of hauling your own water and generating your own power.
【单选题】为了改善本征半导体的导电性能,通常采用向本征半导体中掺入某种特定的杂质来实现;假设向本征半导体硅中掺入磷或者砷等,即可获得 半导体,其主要载流子为 。
A.
N 型半导体，自由电子；
B.
N 型半导体，空穴；
C.
P 型半导体，自由电子；
D.
P 型半导体，空穴。
【单选题】Choose the answer that correctly interprets the sentence from the text. ... to learn the ins and outs of hauling your own water and generating your own power. (Para. 6)
A.
… to learn how to pump water into and out of water tanks and how to install a power generator.
B.
… to learn each and every aspect of hauling your own water and generating your own power.
【简答题】n型半导体的载流子主要为——;p型半导体的载流子为——。
【判断题】3.... to learn the ins and outs of hauling your own water and generating your own power. (Para. 6)
A.... to learn how to pump water into and out of water tanks and how to install a power generator.
B....
A.
正确
B.
错误
【单选题】Choose the answer that correctly interprets the sentence from the text. ...to learn the ins and outs of hauling your own water and generating your own power.
A.
...to learn how to pump water into and out of water tanks and how to install a power generator.
B.
...to learn each and every aspect of hauling your own water and generating your own power.
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