
【名词&注释】
碳酸钠(sodium carbonate)、硫酸铝(aluminum sulfate)、活塞环(piston ring)、硫酸钠(sodium sulfate)、救生艇(boat)、口对口人工呼吸(mouth to mouth breath)、性关系、应急消防泵(emergency fire pump)、有助于(helpful to)、人工呼吸法(method of artificial respiration)
[单选题]艾滋病病毒传播的危险因素包括()
A. 保持忠贞单一的性关系
B. 正确使用避孕套
C. 与别人共用针具吸毒
查看答案&解析
举一反三:
[单选题]冰敷有助于(helpful to)______。
A. 制止出血
B. 减轻肿胀
C. 减轻疼痛
D. 以上都对
[单选题]If it becomes necessary for a stand-on vessel to take action to avoid collision,she shall NOT,if possible,().
A. Decrease speed
B. Increase speed
C. Turn to port for a vessel on her own port side
D. Turn to starboard for a vessel on her own port side
[单选题]胸背部损伤明显者可采用哪种人工呼吸法(method of artificial respiration)?
A. 仰卧压背法
B. 仰卧压胸法
C. 口对口人工呼吸法(method of artificial respiration)
D. 举臂压胸法
[单选题]船上常见的化学泡沫是由碱性的______、酸性的硫酸铝水溶液、发泡剂甘草汁互混产生化学反应而生成的。
A. 碳酸钠
B. 碳酸氢钠
C. 硫酸钠
D. 硫酸氢钠
[单选题]活塞环在工作中产生“跳环”现象是指________。
A. 环紧压环槽上平面
B. 环紧压环槽下平面
C. 环悬浮在环槽中
D. 环交替紧压环槽上下平面
[单选题]An alarm device inserted between the deaerating tank and the expansion tank can notify the on-watching crew that .
A. the expansion tank is lack of water
B. the expansion tank is over flowing
C. there is something wrong with the cooling system
D. there is something wrong with the engine
[单选题]Every liquid has a pressure at which it will vaporize and this pressure varies with temperatureThe word “which” means _____.
A. a liquid
B. a pressure
C. a temperature
D. none of the above
[单选题]轮机长在填写轮机部航次报告时正确的做法是______。
A. 正确记录应急空压机每2周进行的启动和充气试验情况
B. 正确记录每周对应急消防泵(emergency fire pump)及救生艇试验的情况
C. 正确记录每月主消防泵、每周应急消防泵(emergency fire pump)的试验情况
D. 主机机旁应急操作应每3个月进行一次,并记录试验情况
[单选题]钢质活塞顶面裂纹时,可采用_______修复
A. 焊接
B. 金属扣合
C. 粘接
D. 局部更换
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