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【单选题】
男性，67岁，因胆囊炎并发胆结石在全麻下接受腹腔镜胆囊切除术，为预防病人术后出现肺不张，下列措施中有效的是（）
A.
术前戒烟2～3
B.
术前口服阿司匹林
C.
术后加压给氧
D.
术后放入口咽导管
E.
术后取头低脚高位，头偏向一侧
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【单选题】why is sport a metaphor for the meaning of life?
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相关题目：
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恢复较快，一般仅遗留较轻的神经功能缺损
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查看完整题目与答案
【单选题】why is sport a metaphor for the meaning of life?
A.
Both of them has the starting line and the ending line.
B.
because the odds are against us.
C.
because life has ups and downs like sport.
D.
because we want to lie on grass of floor when we lose in either life or sport.
查看完整题目与答案