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【单选题】
患者，女性，56岁，因患胃癌拟行胃大部切除术，患者既往有冠心病史5年，剧烈活动后偶有心前区疼痛。入院后心电图示胸导联广泛T波改变；胸片未见异常；超声显示双下肢静脉有血栓形成；生化检查以及凝血功能均正常。如果选择硬膜外患者自控镇痛，下述哪些方法可达到"最小运动神经阻滞及最低的镇痛后其他副作用"的目的。硬膜外用药最理想的药物配方是（）。A.
高浓度大剂量局麻药
B.
低浓度大剂量局麻药
C.
单纯阿片类药物
D.
单纯氯胺酮
E.
最低有效浓度局麻药+小剂量芬太尼（1μg／ml）
F.
最低有效浓度局麻药+小剂量雷米芬太尼
G.
最低有效浓度局麻醉+3μg／ml芬太尼
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【简答题】气门组是由气门、气门座、气门导管气门弹簧、锁片组成,头部用来封闭气缸的进、排气通道,杆部主要为气门的运动导向,尾部制有凹槽_____、环形槽用来安装锁紧卡簧。
【单选题】听力原文：W How was your interview at Creston Securities? M I think it went well. I'm anxious to hear from them. Working for Creston has always been a dream of mine. W I'm sure it went well. You have so mu...
A.
Trading stocks
B.
Working overtime
C.
A job interview
D.
A new company policy
【单选题】听力原文：W: I went to the supermarket at 8:30 yesterday morning, and I didn't come back to see Bob off to school. M: I went to Bob's school at 4:20 because I had a very important appointment with his teac...
A.
8:30.
B.
8:20.
C.
4:20.
D.
4:30.
【单选题】听力原文：W: Hi, John. How was your vacation? M: Great! I went to New York. W: Really? Why did you decide to go there? M: Well, I went there on business. I also have a friend who lives there. She's been tr...
A.
To deal with some business on work.
B.
To go to see a friend.
C.
To visit some beautiful places.
D.
To enjoy himself.
【多选题】怀孕是一个复杂而微妙的生理过程,受孕的必备条件包括哪些?( )
A.
男方性功能正常及有正常的精子
B.
有健康的卵子
C.
在排卵期前后一定时间内夫妇间进行正常的性生活
D.
受精卵在形态及功能正常的输卵管的帮助下进入宫腔
E.
有一个好子宫，有很好的子宫内膜
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