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1.PUBLIC ADDRESS SYSTEM:LOUDSPEAKERS IN THE VESSEL’S CABINS, MESS ROOMS, ETC., AND ON DECK VIA WHICH IMPORTANT INFORMATION CAN BE BROADCAST FROM A CENTRAL POINT, MOSTLY FROM THE NAVIGATION BRIDGE defines ______.
单选题A. AA-system~||~PP-system~||~PA-system~||~AP-system
2.“东风送湿，西风送干”的交换方式属于（）
单选题A. 平流~||~辐射~||~湍流~||~对流
3.BASHI: E TO SE 9-10. 500M IN HVY SQUALLY SHWRS AND TS. SEA 8-9M. SWELL SE 6-7M. From the above forecast, the wind in Beaufort Scale will be ______.
单选题A. STRONGGALETOSTORM~||~GALETOSTRONGGALE~||~NEARGALETOGALE~||~STRONGBREEZETONEARGALE
4.罗北偏离真北的角度称为（）
单选题A. 磁差~||~自差~||~罗经差~||~陀罗差
5.若深海海面风向为SW风，则表层风海流的流向应为（）
单选题A. 在北半球为南流在南半球为西流~||~在北半球为东流在南半球为北流~||~在北半球为北流在南半球为东流~||~在北半球为西流在南半球为南流
6.危险货物报告是（）
单选题A. 船舶载有危险货物时所做出的报告~||~当船载危险货物在距岸200nmile范围内散失时所做出的报告~||~当船载危险货物在大洋上散失时所做出的报告~||~当船载危险货物在距岸100nmile范围内散失时所做出的报告
7.The circular steel structure installed around the propeller of a towboat is the______．
单选题A. nozzle~||~shroud~||~strut~||~Hood
8.If the center of low pressure is due west of you in the Northern Hemisphere, which wind direction should you expect？
单选题A. Southtowest~||~Southtoeast~||~Westtonorth~||~Northtoeast
9.How many GMDSS operators are needed/required on board according to the provisions of the International Convention for the Safety of Life at Sea，1974？______．
单选题A. 4operators~||~3operators~||~2operators~||~1operator
10.表示物理现象和大气状态的物理量的气象术语称为（）
单选题A. 气象要素~||~迅速递减~||~缓慢递增~||~迅速递增
11.If a weather bulletin shows the center of a low pressure system to be 100 miles due east of you, what winds can you expect in the Southern Hemisphere？ ______.
单选题A. South-southwesterly~||~North-northwesterly~||~South-southeasterly~||~North-northeasterly
12.______the survivors know more of how to cope with cold water in the sinking of MV Titanic in 1912 countless lives ______.
单选题A. Have/couldhavebeensaved~||~Have/couldhavesaved~||~Had/couldhassaved~||~had/couldhavebeensaved
13.如果船舶距离另一国的领海基线不大于（），该国的国家LRIT数据中心都可以通过国际LRIT数据交换从船旗国国家LRIT数据中心获取该船舶的LRIT信息。
单选题A. 1000海里~||~100海里~||~10000海里~||~2000海里
14.已知磁差Var=2°W，罗经差1°W，磁航向000°，则真航向为（）
单选题A. 357°~||~358°~||~359°~||~003°
15.（）是常温下发生相变(固、气、液三态)的唯一大气成分，它也是造成云、雨、雪、雾等现象的主要物质源泉。
单选题A. 氮气~||~水汽~||~二氧化碳~||~臭氧
16.（）：大量微小水滴或冰晶浮游空中，常呈乳白色，使水平能见度小于1km。
单选题A. 雾~||~毛毛雨~||~霾~||~轻雾
17.MODERATE WAVES, TAKING A MORE PRONOUNCED LONG FORM;MANY WHITE HORSES ARE FORMED. This sea condition is likely to be termed ______.
单选题A. neargale~||~moderatebreeze~||~freshbreeze~||~strongbreeze
18.If a ship will call at four ports for discharging, i.e.A.B.C and D consecutively, the cargo for ______ must generally be loaded first.
单选题A. PortA~||~PortB~||~PortC~||~PortD
19.当湿球因蒸发而消耗的热量和从周围空气中获得的热量相平衡时，湿球温度就不再继续下降，这样就维持了相对稳定的干、湿球温度差。干、湿球温度差值的大小，主要与当时的（）大小有关。
单选题A. 气压~||~空气湿度~||~空气密度~||~能见度
20.（）是一种典型的”陆雾”，在海面上通常不能产生。
单选题A. 锋面雾~||~平流雾~||~蒸汽雾~||~辐射雾
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