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【单选题】
老年患者,吸入40%氧气,血气分析PaO2 62mmHg,可得以下结论正确的是A.
肺通气功能正常
B.
肺通气功能降低
C.
提示急性呼吸窘迫综合症
D.
肺弥散功能正常
E.
急性心功能不全
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反馈参考答案：
举一反三
【单选题】下列关于党员权利说法正确的是()。
A.
党员可以对党的工作提出建议和倡议
B.
在各种会议和报刊上，参加关于党的政策问题的讨论
C.
党员对党的决议有不同意见，可以暂缓执行
D.
党员可以随意批评任何组织和任何党员
【简答题】阅读理解。 When you run downhill, gravity pulls you. When you throw a ball up, gravity pulls it down. When you sit, gravity holds you down. When you lie down, gravity holds you to the bed. We know gravity ...
【单选题】When the earthquake happens, you'd better run to the area without high buildings; _____,you should keep the height lower than table or bed and stay next to them. [ ]
A.
if any
B.
if not
C.
if necessary
D.
if some
【单选题】A true friend will never ________ from you when you’re in trouble.
A.
take away
B.
run away
C.
put off
D.
get off
【单选题】Exercise, everyone advises! But immediately, when you try, you run into trouble. There is so much contradictory, sometimes incorrect advice about exercising that you become confused. Test yourself on ...
A.
the difficulties of exercising
B.
why exercising is good for your health
C.
important information to know about exercising
D.
why people have some wrong ideas about exercising
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