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【单选题】
患者,男性,65岁,因急性肺水肿收住院治疗。护士巡视病房时,发现患者口唇发绀,烦躁不安,并伴有明显三凹征。血气分析结果显示:PaOA.
低流量、高浓度持续给氧
B.
低流量、高浓度间断给氧
C.
低流量、低浓度持续给氧
D.
低流量、低浓度间断给氧
E.
高流量、高浓度间断给氧
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举一反三
【单选题】听力原文：W: I'm in charge of buying the fruit for the children at our church. I'm so happy to find that apples and grapes are in season. Give me two dozens of each. M: I hope that they're as good as they ...
A.
8.
B.
12.
C.
36.
D.
24.
【单选题】听力原文：M: Will that be cash or charge? W: I want to pay by check if I may. M: Certainly. That's cash, then. W: Cash? M: Yes, Both money and checks are considered cash. Only credit cards are charge. W: O...
A.
To help the woman make a purchase.
B.
To request the woman’s identification.
C.
To show the woman for a course at City College.
D.
To register the woman how to make out a check.
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