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【单选题】
患儿男,3岁,发现心脏杂音,确诊室间隔缺损3年,近日来,患儿无诱因出现持续性青紫,该患儿可能出现A.
差异性青紫
B.
呼吸衰竭
C.
心力农竭
D.
缺血缺氧性脑病
E.
艾森门格综合征
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【单选题】Hardly (he had) entered (the office) when he realized (that he had) (forgotten his) wallet.
A.
he had
B.
the office
C.
that he had
D.
forgotten his
【单选题】(Hardly he had) entered (the office) when he realized (that he) (had forgotten) his wallet.
A.
Hardly
B.
the office
C.
that he
D.
had forgotten
【简答题】全麻期间保持呼吸道通畅的方法有哪些？
【单选题】词根draw的语义是to draw， 拉、引，withdraw的词义是收回、撤退、撤销，前缀with表示（ ）
A.
with
B.
back
C.
without
D.
towards
【单选题】He left early on the ______ that he had a had toothache and had to see the dentist.
A.
context
B.
contest
C.
pretext
D.
prey
【简答题】保持呼吸道畅通的方法有哪些？
【简答题】保持呼吸道通畅的方法有哪些?
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