【名词&注释】
有效性(effectiveness)、不规则(irregular)、硅胶管、灭火器(extinguisher)、能见度不良(restricted visibility)、适用于(suitable for)、环氧乙烷熏蒸
[单选题]保持船级的水管锅炉的内部检验每______年内不少于______次，最大间隔期不超过______年。
A. 8/3/3
B. 5/2/3
C. 8/2/4
D. 5/3/2
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举一反三：
[单选题]避让行动有效性的核查适用于(suitable for)下列哪些船舶？________。
A. 交叉局面中的两船
B. 对遇局面中的两船
C. 能见度不良时两船已经构成碰撞危险但尚未互见时的两船
D. A+B+C
[单选题]撕裂伤口的特征是______。
A. 创缘多不规则，对周围组织破坏较重
B. 创缘不规则，周围组织损伤小
C. 创缘规则，周围组织破坏较重
D. 创缘规则，周围组织损伤小
[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]使用1211灭火器，应喷向火的什么部位？
A. 火的根部
B. 火的上部
C. 火的周围
D. 火的中部
[单选题]Who ________ you? I’m a sailor
A. is
B. are
C. am
D. will be
[单选题]硅胶管消毒灭菌不能用：
A. 煮沸
B. 0.1%新洁尔灭浸泡
C. 环氧乙烷熏蒸
D. 70%酒精浸泡
[单选题]When a ship were found its equipment does not correspond substantially with the particulars of the Certificate by a nominated surveyor and corrective actions unable to be taken, then
A. the Certificate would be withdrawn
B. the ship owner would be fined
C. the shipping company must be notified immediately
D. the ship must proceed to the nearest appropriate repair yard for a repair without delay
[单选题]In the absence of external forces，adding weight on one side of a floating vessel causes the vessel to ().
A. heel until the angle of loll is reached
B. list until the center of buoyancy is aligned vertically with the center of gravity
C. trim to the side opposite TCG until all moments are equal
D. decrease draft at the center of flotation
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