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1.A pattern according to which vessels and / or aircraft may conduct a co-ordinated search is a ___________.
单选题A. Researchpattern~||~Researchmode~||~Searchpattern~||~Searchandrescuemode
2.在2006年3月召开的COMSAR()上,《LRIT性能标准草案》获得通过。
单选题A. 第9次会议~||~第10次会议~||~第11次会议~||~第12次会议
3.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
4.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
5.大气中的()是温室气体,它对太阳短波辐射吸收甚少,强烈吸收和放射长波辐射,对地面和大气的温度分布有重要影响,类似温室效应。
单选题A. 氧气~||~水汽~||~臭氧~||~二氧化碳
6.风向是指风的来向,海上通常用度数表示,记整数,正北记为0°;风速以m/s为单位,记到小数一位。静风时,风速记0.0,()
单选题A. 风速记为"0"~||~风速记为"-"~||~风向记为"-"~||~风向记为"C"
7.All the crewmembers shall be at the station as required by the muster list when in firefighting drill______minutes after hearing the alarm,and the duty engineer shall be able to make the fire pumps available with______minutes.
单选题A. 2/5~||~2/3~||~3/2~||~2/2
8.The commander of a rescue unit designated to co-ordinate search and rescue operations within a specified area is the ______.
单选题A. Generalcommander~||~Commandergeneral~||~On-scenecommander~||~Searchcommander
9.My ship sailed______port of Shanghai,bound______Rotterdam.
单选题A. from,for~||~for,on~||~on,at~||~at,from
10.表层海水温度是指海水表面到()深处之间的海水温度,以摄氏度(℃)为单位。
单选题A. 05m~||~1m~||~2m~||~5m
11.In the Northern Hemisphere, when the wind at your location is northerly, the low pressure center causing the wind is located to your ______.
单选题A. NNW~||~WSW~||~ESE~||~SSW
12.A correction for augmentation is included in the Nautical Almanac corrections for ______.
单选题A. theSun~||~theMoon~||~Venus~||~Noneoftheabove
13.()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
14.For working details______Admiralty list of Radio Signal
单选题A. refer~||~see~||~Look~||~watch
15.On no account can they cut it______it be fouled.
单选题A. Do~||~would~||~shall~||~should
16.气压是大气压强的简称,它与天气的关系是()
单选题A. 低气压一般对应阴雨天气~||~高气压一般对应阴雨天气~||~高气压中心对应大风天气~||~低气压对应晴好天气
17.天气分布是三维空间的,为了比较全面地揭示天气状况,在气象分析和预报中,通常绘制三种类型的天气图,即()。
单选题A. 高空图为等高面图地面图为等压面图~||~高空图地面图均为等压面图~||~地面天气图高空天气图和辅助图~||~高空图地面图均为等高面图
18.用一个扇形区(虚线)表示其未来移动方向和中心可能到达的位置。扇形前面概率圆边上的数字表示预报日期和时间,概率圆的概率约为()
单选题A. 100%~||~80%~||~70%~||~50%
19.受地球自转的影响并在控制力矩的作用下,陀螺仪主轴将作()的摆动。
单选题A. 螺旋线等幅~||~双曲线等幅~||~圆型等幅~||~椭圆等幅
20.兰勃特投影法又称等角正割圆锥投影。将地球体的()纬圈与圆锥面相割。
单选题A. 30°和45°~||~30°和60°~||~225°和45°~||~33°和66°
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