航海英语【二三副甲类】题库 单选题 1分 In MLC, Hours of work means______. A.short breaks B.time outside hours of work C.any time on board the ship D.time during which seafarers are required to do work on board 点击查看答案 进入题库练习 参考答案: D 你可能感兴趣的试题 1 单选题 1分 In IALA Region B,a red triangular daymark marks ______. A.the centerline of a navigable channel B.the starboard side of a channel C.a prominent object of navigational interest that has no lateral significance D.an area of a channel where passing another vessel is permitted 点击查看答案 2 单选题 1分 The Rules state that certain factors are to be taken into account when determining safe speed. One of the factors is ___. A.Whether radio communications that are available B.maximum speed of your vessel C.temperature D.current 点击查看答案 3 单选题 1分 The port at which crew or passengers get on board the ship is called ______. A.port of call B.port of embarkation C.port of destination D.port of disembarkation 点击查看答案 4 单选题 1分 The two most effective generating forces of surface ocean currents are ______. A.temperature and salinity differences in the water B.wind and density differences in the water C.water depth and underwater topography D.rotation of the Earth and continental interference 点击查看答案 5 单选题 1分 A hygrometer is a device used for determining ______. A.the absolute temperature B.atmospheric pressure C.wind velocity D.relative humidity 点击查看答案