【单选题】
典型发作的心绞痛，每次历时一般约为多少分钟？___
A. 大于15分钟
B. 小于15分钟
C. 小于60分钟
D. 大于30分钟
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答案
B
解析
暂无解析
相关试题
【单选题】
静默三十秒（STS）——B.P.J.C.E中的”J”代表 ___
A. JUDGEMENT，判断机长是否发出撤离指令
B. JUDGEMENT，判断机长的指令是否正确
C. JUDGEMENT，判断旅客是否安全
D. JUDGEMENT，判断机外是否安全，机门是否失效
【单选题】
以下叙述不正确的是 ___
A. 一串铃响表明有紧急情况发生
B. 二声铃响表示飞机即将起飞，落地
C. 连续的高音频蜂鸣声表示执行陆上迫降或水上迫降程序
D. 一声铃响表示即将起飞或落地
【单选题】
如地面人员需要向空中救援人员表明“是”，正确的动作应该是： ___
A. 手上持一块布条，置于身体前部，左右挥舞。
B. 双手平举一块布条，高举过头，保持
C. 手上持一块布条，高举过头，左右挥舞。
D. 手上持一块布条，置于身体前部，上下挥舞。
【单选题】
迫降前的客舱准备中，旅客取下的尖锐物品应摆放在哪里___
A. 他们的外套内，以防丢失
B. 放入行李内，或用清洁袋包好放在行李架内
C. 放在前面座椅的口袋内
D. 交由乘务员统一保管
【单选题】
下列表述错误的是 ___
A. 为了加快撤离速度，客舱内有大量浓烟时，要求旅客在客舱内站着奔跑到门口撤离
B. 如客舱内有大量浓烟，用口令让旅客俯下身子或爬行到门口撤离
C. 陆地迫降常伴随有着火、浓烟，需防止撤离时吸入有毒烟雾昏迷、窒息，以至死亡
D. 如客舱内有大量浓烟，可用手电筒指示旅客向门口爬行
【单选题】
在烟雾环境中，为避免吸入有毒的烟雾、气体，我们通常可使用PBE，我们还可采取的措施有： ___
A. 使用活动氧气瓶
B. 低下头保持在扶手以下的位置，用湿毛巾捂住口鼻
C. 打开附近的通风口驱散烟雾
D. 用天花板内的氧气面罩
【单选题】
在紧急撤离时，为了应付恶劣求生环境， 我们应尽可能多携带 ___
A. 各种必要供应品、餐食、饮料、餐车等
B. 各种必要设备、饮料、食品、毛毯等
C. 各种必要设备、干果箱、干点、小食品等
D. 各种饮料、水、食品、旅客行李等
【单选题】
以下描述正确的是 ___
A. 缓慢型失压是指逐渐失去客舱压力，它可能是因为金属疲劳，炸弹爆炸或武器射击而引起的密封破裂
B. 急速型失压是指迅速失去客舱压力，它可能是因为机门或应急窗的密封泄漏或增压系统故障而引起的
C. 急速型失压是指逐渐失去客舱压力，它可能是因为金属疲劳，炸弹爆炸或武器射击而引起的密封破裂
D. 缓慢型失压是指逐渐失去客舱压力，它可能是因为机门或应急窗的密封泄漏或增压系统故障而引起的
【单选题】
释压后的客舱检查中，对氧气面罩的正确处置方式是___
A. 将氧气面罩放回发生器组件箱内，以免影响旅客的视线
B. 让氧气面罩保持原样，无需理会
C. 将氧气面罩放回发生器组件箱内，以免阻碍通道
D. 不要将氧气面罩重新放回氧气发生器组件箱内，以免出现燃烧气味或者烟雾
【单选题】
飞机迫降停稳后，在三十秒内没有得到来自驾驶舱的进一步指令，而有四种情况（起火冒烟、机体严重受损、发动机周围漏油、机体浸水）中任何一种发生，乘务员必须 ___
A. 立即发起紧急撤离
B. 立即联络其他乘务员
C. 立即联络机长
D. 立即联络乘务长
【单选题】
高高原机场指的是：___
A. 海拔高度高于8000米的机场
B. 海拔高度高于2438米的机场
C. 海拔高度在1500米以上但低于2438米的机场
D. 海拔高度高于4922米的机场
【单选题】
毛泽东同志说，“‘实事’就是客观存在着的一切事物，‘是’，就是客观事物的内部联系，即规律性，‘求’就是我们去研究。”这段话，出自___
A. 《整顿党的作风》
B. 《反对党八股》
C. 《反对本本主义》
D. 《改造我们的学习》
【单选题】
“墙上芦苇，头重脚轻根底浅；山间竹笋，嘴尖皮厚腹中空。”毛泽东在延安整风运动期间用这幅对联形象地讽刺了___
A. 主观主义的学风
B. 宗派主义的党风
C. 党八股的文风
D. 官僚主义的作风
【单选题】
党的解放思想、实事求是思想路线正式重新确立的标志是___
A. 《解放思想、实事求是，团结一致向前看》
B. 《中国共产党第十一届中央委员会第三次全体会议公报》
C. 《高举毛泽东思想旗帜，坚持实事求是的原则》
D. 《关于建国以来党的若干历史问题的决议》
【单选题】
在党的历史上长期存在着教条主义和经验主义两种错误倾向，尽管二者表现形式不同，其本质都犯了主观主义错误，其本质错误在于___
A. 没有坚持一切从实际出发，实事求是
B. 没有坚持人民群众为实践的主体
C. 没有坚持解放思想
D. 没有坚持创新
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【单选题】
( ) 26. Where does the writer of "The little Prince" come from?
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【单选题】
( ) 27. What does the prince do after the fox tells him a secret?
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【单选题】
( ) 28. What does "The little Prince" mainly talk about? It' s about _________．
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【单选题】
( ) 29. What is the writer's main purpose（目的）in writing this passage？
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D． To let people know how poor he was．
A. A
B. B
C. C
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【单选题】
( ) 30. Why did the father not ask his son not to do this and do that？
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A. A
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【单选题】
( ) 31. What would someone learn from this passage？
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【单选题】
( ) 32. What may be the proper Chinese for the underlined part in the passage？
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A. A
B. B
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【单选题】
( ) 33. Why did Natalie Smith pay for the six cars behind her?
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【单选题】
( ) 34. Judy Foreman copied down the phrase because she ___ .
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【单选题】
( ) 36. What can we infer from the last paragraph?
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【单选题】
( ) 37.The greatest river for navigation is ___________.
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【单选题】
( ) 38. From a dam, people can use the water for ___________.
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【单选题】
( ) 39. The water in the river is polluted because of _____________.
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【单选题】
( ) 40. The best title of the passage is ___________.
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B. B
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