航海英语【大副甲类】题库 单选题 1分 The north equatorial current flows to the ______. A.east B.northeast C.southwest D.west 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 The working frequency band for a ship earth station in Inmarsat system is ______. A.L band B.C band C.X band D.S band 点击查看答案 2 单选题 1分 The ship's officers must do checking on the ______ of all the cargoes loaded on board. A.stowage B.classification C.categorization D.proportion 点击查看答案 3 单选题 1分 The average time between two high waters is 12 hours and 25 minutes because this is the time it takes for ______. A.the sun to be at the opposite side of the moon B.the moon to be at the opposite side of the earth C.the moon to be at its apogee(远地点) D.the sun and the moon to be on the same side 点击查看答案 4 单选题 1分 Before switching on gyro-compass,you should make sure that the power supply on board is ______. A.high or low B.AC or DC C.strong or weak D.on or off 点击查看答案 5 单选题 1分 Which can be prevented only by segregating two lots of cargo into separate holds? A.Contamination of dry cargo by a wet cargo B.Contamination of a clean cargo by a dirty cargo C.Contamination of a food cargo by an odorous cargo D.Overcarriage,overstowage,and short landing 点击查看答案