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【单选题】
患者,男,42岁。因下肢静脉入院。检查时嘱其站立,待下肢静脉充盈后,在大腿上1/3扎止血带,嘱其反复下蹲8~10次,结果显示静脉充盈度明显减轻。题干:下肢静脉患者的手术禁忌证是A.
大隐静脉瓣膜功能不全
B.
交通静脉瓣膜功能不全
C.
深静脉阻塞
D.
下肢水肿
E.
下肢感染
手机使用
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举一反三
【判断题】In case of a natural forest fire, there are firefighters to put it out with no delay.
A.
正确
B.
错误
【简答题】In case of a natural forest fire, there are firefighters to put it out with no delay.
【判断题】In case of a natural forest fire, there are firefighters to put it out with no delay.
A.
正确
B.
错误
【单选题】In case of a natural forest fire,______.
A.
there are firefighters to put it out with no delay
B.
firefighters, citizens and tourists together will try to put it out
C.
it is allowed to burn until it dies out by itself
D.
.
【单选题】The force that moves the air in a room or building in case of natural ventilation is due to _______:
A.
Neither
B.
Both
C.
Difference in temperature inside and outside of building
D.
Wind force
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