【名词&注释】
脑缺血(cerebral ischemia)、海洋污染(marine pollution)、理货员(tally clerk)
[单选题]《国际船舶安全营运和防止污染管理规则》的最终目的是实现____________
A. 海上安全
B. 最大营运效率
C. 防止海洋污染
D. A+C
查看答案&解析
举一反三：
[单选题]脊椎骨折患者的早期并发症是( )。
A. 瘫痪
B. 褥疮
C. 肢体坏死
D. 脑缺血
[单选题]cargo surveyor
A. 理货员
B. 验船师
C. 卫生官员
D. 验货师
[单选题]Fuel droplets injected into a diesel engine cylinder must have adequate penetration to ____.
A. prolong the ignition delay period
B. ensure the beginning of fuel injection
C. thoroughly utilize the air charge
D. allow controlled fuel combustion
[单选题]To reduce the weight of the reciprocating parts, pistons of high-speed engines are made considerably shorterThis results in __________.
A. less piston slap and quieter running
B. increased crankshaft bearing wear
C. slightly greater piston wear
D. decreased side pressures
[单选题]船舶锅炉保持入级的检验，每船装有2台及以上的主锅炉，每隔______检验一次。
A. 一年
B. 一年半
C. 两年
D. 两年半
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