
【名词&注释】
耐药性(drug resistance)、耐受性(tolerance)、润滑油(lubricating oil)、润滑脂(grease)、单螺杆泵(single screw pump)、习惯性(habitual)、不间断(nonbreak)、安全帽(crash helmet)、逆时针(inverted hour)、顺时针(clockwise)
[单选题]Which of the following modes of heat transfer does NOT require any physical contact between a warmer and a cooler substance?
A. Radiation
B. Conduction
C. Natural convection
D. contact directly
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举一反三:
[单选题]Watertight compartments are separated by ________
A. engine rooms
B. tweendecks
C. dunnages
D. decks and bulkheads
[单选题]一伤员前臂大出血,应立即压迫哪条动脉( )。
A. 肱动脉
B. 尺动脉
C. 头臂动脉
D. 锁骨下动脉
[单选题]安全帽(crash helmet)
A. safety belt/harness
B. safety cap
C. safety cloches
D. safety measure
[单选题]单螺杆泵万向轴的销轴的润滑是靠( )。
A. 润滑油
B. 润滑脂
C. A或B
D. 无须人工润滑
[单选题]国际通岸接头用于______地方的消防水连接。
A. 船与船
B. 船与岸
C. B均可
D. 以上都不对
[单选题]确定航道的原则是:船由海向里;在外海、海峡或岛屿之间的水道,原则上按:()
A. 围绕小片陆地的顺时针(clockwise)航行的方向
B. 围绕小片陆地的逆时针(inverted hour)航行的方向
C. 围绕大片陆地的顺时针(clockwise)航行的方向
D. 围绕大片陆地的逆时针(inverted hour)航行的方向
[单选题]反复多次用药后,机体对该药的敏感性降低,此称为:
A. 习惯性
B. 耐受性
C. 耐药性
D. 成瘾性
[单选题]Which of the following reasons represents why the designed compression ratio of a gasoline engine is lower than that of a diesel engine?
A. compression must be low for effective spark ignition
B. compression must be low for required horsepower and torque generation
C. compression must be low to prevent pre-ignition
D. compression must be low to have effective pre-ignition
[单选题]船舶在浓雾中航行,则船舶的瞭望人员________。
A. 只须保持雷达瞭望和听觉瞭望
B. 除A外,还应保持不间断(nonbreak)的视觉瞭望
C. 应用适合当时环境和情况的一切有效手段保持不间断(nonbreak)的瞭望
D. 应保持视觉、听觉和雷达瞭望即可
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