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1.船载AIS设备能够通过（）本船的静态信息、动态信息、航次相关信息和安全相关短消息。
单选题A. 寻址方式单独发送~||~寻址方式群发发送~||~雷达发送~||~广播方式周期性自动播发
2.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
3.ECS是用来显示（）的海图显示系统。
单选题A. 矢量电子海图~||~光栅海图~||~系统电子航海图~||~非官方矢量电子海图或光栅电子海图数据库
4.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
5.在平静的大洋航行时，雷达只用于避碰观测，采用（）是最方便的选择。
单选题A. H-up~||~N-up~||~C-up~||~真方位TB
6.Get searchlight______for transiting the canal at night．
单选题A. on~||~already~||~Almost~||~ready
7.船舶恒向恒速运动时，陀螺罗经主轴的稳定位置与航速为零时主轴稳定位置二者在方位上的夹角称为（）
单选题A. 速度误差~||~摇摆误差~||~冲击误差~||~纬度误差
8.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°
9.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
10.（）和AIS航标还能够为船舶提供导航和多种附加信息服务。
单选题A. AIS岸基设施~||~GPS导航仪~||~VHF收发信机~||~计算机
11.海上副热带高压中部的天气特点是（）
单选题A. 风弱，闷热，多阵雨~||~风强，对流旺盛，多阵雨~||~风弱，闷热，万里无云~||~风强，干爽，万里无云
12.AIS每分钟可以处理（）个以上报告。
单选题A. 1000~||~2000~||~3000~||~4000
13.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
14.定位精度，PSNGOOD表示飞机定位，误差（）
单选题A. 小于20nmile~||~20～30nmile~||~20～40nmile~||~大于40nmile
15.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
16.In the Northern Hemisphere, if the center of a high pressure area is due west of you, what wind direction would you expect？______.
单选题A. Southtowest~||~Southtoeast~||~Northtowest~||~Northtoeast
17.In the daytime, you see a large sailing vessel on the beam. You know that she is also propelled by machinery if she shows ______.
单选题A. ablackball~||~ablackcone~||~twoblackcones~||~abasket
18.可以促使水汽在一定温度下凝结长大。（）→云消散。
单选题A. 上升运动~||~上升运动+水汽~||~水平运动+水汽~||~下沉运动
19.Navigational warnings and weather bulletins for shipping ______ from Singapore Radio.
单选题A. broadcast~||~broadcasted~||~arebroadcast~||~arebroadcasted
20.目标的位置(距离和方位)数据在捕获后即可显示，目标的CPA在（）左右(性能标准规定在1min之内)才能显示。
单选题A. 10s~||~20s~||~30s~||~40s
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