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【单选题】
男性，56岁。因胆石症拟在硬膜外阻滞下行胆道手术。术前心、肺（－），ECG正常。硬膜外穿刺置，无脑脊液，注入试验量（2%利多卡因3ml），测平面T 5~11 ，循环、呼吸平稳。5min后再注入2％利多卡因7ml，注射后病人烦躁，给予静脉注射哌替啶25mg，氟哌啶2.5mg，病人呼吸困难、呕吐、意识不清，收缩压下降至50mmHg。立即行气管插管，监护仪示室颤，大动脉无搏动，立即行心肺复苏，术后第一天病人完全清醒。其发生心搏骤停的原因，首先应考虑的是（）A.
麻醉平面过宽
B.
局麻药中毒
C.
辅助用药不当
D.
蛛网膜下腔麻醉
E.
局麻药过敏
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【简答题】A．north B．worse C．horse D．force
【简答题】A) Stay away for a couple of weeks. B) Check the locks every two weeks. C) Look after the Johnsons’ house. D) Move to another place.
【简答题】Louis Armstrong had two famous nicknames(绰号).Some people called him Bagamo.They said his mouth looked like a large bag.Musicians often called him Pops,as a sign of respect for his influence(影响) on the...
【单选题】听力原文：M: These shoes are on sale. We can buy two pairs for the coming winter. W: But look at the price. My mother bought the same things at half the price. What are they talking about?
A.
The coming year.
B.
The man's mother.
C.
Buying shoes.
【简答题】A．north B．short C．horse D．worker
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