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【单选题】
病人,60岁,在输液过程中突然出现呼吸困难,气促,咳嗽,咳泡沫血痰等症状。给病人用20%~30%乙醇湿化吸氧,作用是A.
增加迷走神经兴奋性
B.
增加外周阻力
C.
降低肺泡内泡沫表面张力
D.
降低肺泡表面张力
E.
降低吸入气体的细菌密度
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反馈参考答案：
举一反三
【单选题】Whenever possible, each reason in an argument should be supported by some kind of evidence, and what can be considered as evidence?
A.
facts or statistics
B.
examples or incidents
C.
quotations from expert
D.
All of the above.
【简答题】外毒素免疫原性强，其抗体称为【填空】。A. 抗毒素
【单选题】According to the writer of this passage, a possible reason for the disappearances is that __________.
A.
the sailors and airmen were taken away by people from space for scientific research
B.
Some navigational instruments ran out of order and therefore caused the ships sinking and the planes crashing
C.
the sailors and airmen could not stand the extreme weather conditions and they died natural death
D.
Some sailors and airmen were inexperienced and were responsible for the accidents
【单选题】What is one possible reason that antihistamine recommendations increased after 2008?
A.
Doctors believe antihistamines are more effective at treating colds.
B.
Doctors believe that allergy rates have increased among children.
C.
Parents expect doctors to give some kind of prescription to sick children.
D.
All of the above options are correct.
【单选题】关于工作满意度与生活满意度关系的说法，正确的是（ ）。
A.
生活满意度是工作满意度的一个组成部分
B.
工作满意度是生活满意度的一个组成部分
C.
两者之间没有关系
D.
两者都属于工作态度指标
【单选题】According to the author, what is one possible reason for the disappearances?
A.
The sailors and airmen were taken away by people from space for scientific research.
B.
Some sailors and airmen were inexperienced and were responsible for the accidents.
C.
The sailors and airmen could not stand the extreme weather conditions and they died natural death.
D.
Some navigational instruments ran out of order and therefore caused the ships’ sinking and the planes’ crashing.
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