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【单选题】
Connie Pratt soon became a famous actress by ______.A.
learning some lessons about the art of speaking
B.
once playing her part in the 'Blue Moon'
C.
successfully matching the most famous actors
D.
acting a leading part with a most famous actor at that time
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举一反三
【单选题】I型呼吸衰竭的诊断标准是
A.
PaO2＜30mmHg
B.
PaO2＜40mmHg，且PaCO2＞50mmHg
C.
PaO2＜50mmHg
D.
PaO2＜60mmHg
E.
PaO2＜60mmHg，且PaCO2＞50mmHg
【单选题】Ⅱ型呼吸衰竭的诊断标准是
A.
PaO 2 < 60 mmHg ; PaCO 2> 50 mmHg
B.
PaO 2 < 80 mmHg ; PaCO 2> 50 mmHg
C.
PaO 2 < 60 mmHg ; PaCO 2> 60 mmHg
D.
PaO 2 < 80 mmHg,PaCO 2> 60 mmHg
E.
PaO 2 < 80 mmHg, PaCO 2> 80 mmHg
【单选题】II型呼吸衰竭的诊断标准是
A.
PaO 2 <60mmHg
B.
PaCO 2 >50mmHg
C.
PaO 2 >60mmHg及PaCO 2 >50mmHg
D.
PaO 2 >60mmHg及PaCO 2 <50mmHg
E.
PaO 2 <60mmHg及PaCO 2>50mmHg
【单选题】Ⅰ型呼吸衰竭的诊断标准是
A.
PaO 2 < 30 mmHg
B.
PaO 2 < 40 mmHg
C.
PaO 2 < 50 mmHg
D.
PaO 2 < 60 mmHg
E.
PaO 2 < 70 mmHg
【单选题】II 型呼吸衰竭的诊断标准是
A.
PaO2＜60mmHg，PaCO2＞50 mmHg
B.
PaO2＜50mmHg
C.
PaCO2＞60 mmHg
D.
PaO2＜60mmHg，PaCO2＞80 mmHg
E.
PaCO2＞80 mmHg
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