【名词&注释】
心绞痛(angina pectoris)、硝酸甘油(nitroglycerin)、可逆过程(reversible process)
[单选题]根据我国《海船船员发证规则》规定，持有沿海航区轮机部船员适任证书并实际担任其职务满______个月者，可跨航区申请______相同船舶等级和职务的适任证书。
A. 6/近洋航区
B. 6/无限航区
C. 12/近洋航区
D. 12/无限航区
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举一反三：
[单选题]系统进行了一个过程后，如能使( )沿着与原过程相反的方向恢复初态，则这样的过程为可逆过程。
A. 系统
B. 外界
C. 系统和外界
D. 系统或外界
[单选题]Pitted reduction gear teeth having a deep blue color with evidence of overheating have been operated with _______.
A. excessive speed
B. improper warm-up
C. extreme misalignment
D. inadequate lubrication
[单选题]Each cylinder liner on the marine medium speed engines _____.
A. is usually cooled by sea water
B. can be replaced when worn out
C. is in direct contact with the water in the bore of the cylinder
D. can t expand when heated
[单选题]The objectives of the ISM Code are to ensure ①safety at sea②prevention of human injury or loss of life③avoidance of damage to the marine environment and to property
A. ①
B. ②
C. ②③
D. ①②③
[单选题]心绞痛病人舌下含服硝酸甘油______可以止痛。
A. 1—2分钟内
B. 10—30分钟内
C. 30—60分钟内
D. 1小时以上
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