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问题:

[单选] Which of the following represents the emergency signal for fire aboard ship?()

A . More than six short blasts and one long blast on the whistle
B . Continuous blast of the ships whistle for a period of not less than 10 seconds supplemented by the same signal on the general alarm
C . Three short blasts of the whistle supplemented by the same signal on the general alarm
D . More than six short blasts and one long blast on the whistle supplemented by the same signal on the general alarm

利用杠杆定律可以计算合金中相的相对质量,杠杆定律适用于() 单相区。 两相区。 三相区。 所有相区。 怎样计算同比销售比率? 阻抗是指电阻、线圈、电容器以及它们的组合电路,对流过的()具有阻碍作用。 直流电流。 直流电动势。 交流电流。 交流电动势。 If you are fighting a fire below the main deck of your vessel,which action is most importantconcerning the stability of the vessel? () Shutting off electricity to damaged cables。 Pumping fire-fighting water overboard。 Maneuvering the vessel so the fire is on the lee side。 Removing burned debris from the cargo hold。 依据《中华人民共和国抗旱条例》,各级人民政府应当对()等情况加强监督检查,发现问题应当及时处理或者责成有关部门和单位限期处理。 抗旱设施建设和维护。 抗旱物资储备。 抗旱预案编制。 抗旱责任制落实。 Which of the following represents the emergency signal for fire aboard ship?()
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