【名词&注释】
落水者(fall in water person)
[单选题]落水者在低温水中保持HELP姿势的最大优点是：
A. 减少活动
B. 减少体力
C. 减少散热
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举一反三：
[单选题]为避免碰撞所采取的行动，如当时环境许可应是________。
A. 积极地
B. 及早地进行
C. 运用良好船艺
D. A+B+C
[单选题]During the PSC inspection, under the provision of SOLAS74, which one may not be regarded as clear grounds for ships' detainment?
A. excess amount of oily-water mixtures in bilges
B. insulation of piping including exhaust pipes in engine room contaminated by oil
C. improper operation of bilge pumping arrangements
D. paint peeling off the uptake
[单选题]叶片马达式锚机液压系统采用的调速方法多为( )。
A. 阀控
B. 泵控
C. 变量马达
D. A+C
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