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【多选题】
下列选项中，分层选样法的优点包括（）。A.
减少样本的非抽样风险
B.
将样本的选择与总体中的关键项目联系起来
C.
将相对同质的项目划为一类，可提高样本在其所在层次的代表性
D.
对于项目之间特征差异较大的总体的样本选择更具优越性
E.
无偏见地选取样本项目
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举一反三
【简答题】What are the possible ers to the bridge mentioned in the article? (Your answer should be no more than 10 words.)
【单选题】患者，女性，45岁，Ⅰ型糖尿病合并酮症酸中毒。经治疗恢复意识，但短时间后突然感到心悸、饥饿、出汗，随即发生意识障碍。护士应采取的措施是
A.
加大胰岛素剂量
B.
加用二甲双胍
C.
使用强心药
D.
静推50%葡萄糖注射液
E.
应用呼吸兴奋剂
【单选题】Before wore is commenced（）the officer responsible should ensure that power is shut off and warning notices posted on the bridge and in the machinery spaces.
A.
near the ship’s whistle
B.
on the funnel
C.
in the vicinity of radio aerials
D.
near the radar scanner
【单选题】When the order _____ is received from the bridge, the main air stop valve in the starting air line should be shut.
A.
stand-by engine
B.
full ahead
C.
finished with engine
D.
ring off engines
【简答题】简述饮片切制的目的。
【简答题】饮片切制的目的有哪些？
【单选题】What is true of Mount Rainer according to the first paragraph?
A.
It is the highest maintain in Washington DC.
B.
It is an active volcano.
C.
It has erupted only once.
D.
The new form. of Mount Rainer results from glacial ice.
【单选题】患者,男性,30岁。高热待查,体温39.8C ,遵医嘱行乙醇拭浴降温。为了观察降温效果测体温应在拭浴后
A.
10min
B.
20min
C.
30min
D.
60min
E.
2h
【单选题】When the order （） is received from the bridge, the main air stop valve in the starting air line should be shut.
A.
stand-by engine
B.
full ahead
C.
finished with engine
D.
full away
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