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【单选题】
一位 83岁女性行胆囊手术后回病房大约3小时被其儿子发现无反应,动脉血气分析结果提示高碳酸血症和低氧血症。下列哪导致患者高动脉PCO 2A.
肺泡无效腔减小
B.
新陈代谢降低
C.
肺换气不足
D.
血氧不足
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举一反三
【单选题】The word perpetually in Paragraph 3 is closest in meaning to______.
A.
continually
B.
permanently
C.
privately
D.
publicly
【简答题】We often stay _____ home and watch TV when we are free.
【简答题】A．apparently B．indirectly C．regularly D．greatly
【单选题】One of the many oddities of migration policy is that immigrants coming in to work permanently are usually a minority of those who arrive legally. Most【1】countries admit migrants mainly on grounds that...
A.
host
B.
hostage
C.
friend
D.
friendly
【单选题】Sandy looks _______in a _______hairstyle.
A.
greatly ; 1990’s
B.
great;1990s’
C.
greatly;1990s
D.
great; 1990s
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