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1.低层大气中，特别是在近地面附近，风向与等压线斜交，南半球是（）的气流系统
单选题A. 低层顺时针辐散~||~低层逆时针辐合~||~低层顺时针辐合~||~低层逆时针辐散
2.下列有关真方位度量的说法中，正确是（）
单选题A. 由真北逆时针度量到物标方位线，度量范围000o～360o~||~由真北顺时针度量到物标方位线，度量范围000o～360o~||~由陀螺北逆时针度量到物标方位线，度量范围000o～360o~||~由陀螺北顺时针度量到物标方位线，度量范围000o～360o
3.（）是冷、暖气团势力相当，互有进退，锋面在小范围内来回摆动的锋。
单选题A. 冷锋~||~暖锋~||~准静止锋~||~锢囚锋
4.（）是在海面风的作用下形成的海水水平方向的流动，又称风流。
单选题A. 补偿流~||~地转流~||~风海流~||~潮流
5.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
6.罗北线与磁北线之间的角度 称为（）
单选题A. 磁差~||~自差~||~罗经差~||~陀罗差
7.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
8.遇有船只避让等特殊情况不能准时观测时，可在（）补测完毕，并在记录表中有关栏内注明。
单选题A. 正点前30min~||~正点后1h内~||~正点后2h内~||~正点后30min内
9.赤道气团(Equatorialairmass)：大致位于南北纬10°以内的洋面。具有（）的天气特征
单选题A. 干热稳定少有降雨天气~||~高温潮湿层结不稳定多雷阵雨~||~湿热稳定多狂风暴雨天气~||~高温潮湿稳定无大风天气
10.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
11.在远离海岸的深海中，表层风海流的流向（）
单选题A. 与风向反向~||~在北半球偏于风的去向右边45°~||~与风向同向~||~在北半球偏于风的来向右边45°
12.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
13.AIS每分钟可以处理（）个以上报告。
单选题A. 1000~||~2000~||~3000~||~4000
14.It takes about 12 seconds to reverse______full speed ahead______full speed astern．
单选题A. at，to~||~to，from~||~from，to~||~at，from
15.引起雷达测距随机误差的原因主要有（）
单选题A. 气象海况目标反射能力雷达设备能力~||~气象海况目标反射能力雷达较准~||~气象海况雷达较准雷达调整~||~雷达较准目标反射能力雷达设备能力
16.Do not______the watch to the relieving officer until he has verbally expressed his acknowledgment of the information which has been passed by the officer handing over．
单选题A. turnover~||~handover~||~handsoff~||~takeover
17.在摩擦层中，水平气压梯度力的方向是（）。
单选题A. 垂直等压线由低压指向高压~||~垂直等压线由高压指向低压~||~斜穿等压线由低压指向高压~||~斜穿等压线由高压指向低压
18.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
19.（），以数字表示、单位为km。
单选题A. 温度~||~降水量~||~水平能见度~||~现在天气现象
20.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
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