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1.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"
2.The circular steel structure installed around the propeller of a towboat is the______.
单选题A. nozzle~||~shroud~||~strut~||~Hood
3.For working details______Admiralty list of Radio Signal
单选题A. refer~||~see~||~Look~||~watch
4.降水主要来自高层云和()
单选题A. 层云~||~雨层云~||~淡积云~||~积雨云
5.Get searchlight______for transiting the canal at night.
单选题A. on~||~already~||~Almost~||~ready
6.()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
7.Fishing stake, the position of which frequently _____, exist in the area covered by this chart.
单选题A. removed~||~altered~||~corrected~||~Converted
8.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
9.500hPa等压面的平均海拔高度约为()
单选题A. 4500m~||~5000m~||~5500m~||~6000m
10.(),由于地表面有海陆差异、地形起伏等,因此在对流层中,温度、湿度等的水平分布是不均匀的。
单选题A. 气象要素水平分布不均匀~||~气温随高度增加而升高~||~气象要素水平分布均匀~||~空气不易产生对流运动
11.The bow thruster generally is ineffective at ______.
单选题A. over3knotsheadway~||~atanyspeedastern~||~atanyspeedahead~||~over1knotsternway
12.观测时间一律使用世界时(UTC),每天按()观测四次。
单选题A. 00Z06Z12Z18Z~||~03Z09Z15Z21Z~||~00Z12Z~||~08Z14Z20Z02Z
13.A vessel engaged in fishing shall not impede the passage of______following a traffic lane.
单选题A. (1)~||~(1)&(2)~||~(3)~||~(4)
14.(),海洋升温和降温速度远小于陆地。
单选题A. 陆地的热容量是海水热容量的两倍~||~海水的热容量是陆地热容量的两倍~||~海水热容量与陆地相同~||~海陆热力差异与热容量无关
15.天气系统的()可产生平流雾。
单选题A. 冷锋后部~||~低压的后部~||~移动性高压的后部~||~移动性高压的前部
16.The correct method of switching off a marine radar is to turn power switch to ____ position fisrt, then to ______ position.
单选题A. off/standby~||~standby/off~||~standby/close~||~close/standby
17.选择双向推荐航线时,应将航线设计在推荐航线()适当的地方,以尽可能地避免航行中与来船构成对遇和不协调避让局面。
单选题A. 右侧~||~左侧~||~任何一侧~||~推荐航线上
18.AIS每分钟可以处理()个以上报告。
单选题A. 1000~||~2000~||~3000~||~4000
19.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
20.It is the responsibility of the crane operator to, at all times, be aware of the location of the __.
单选题A. load~||~hook~||~boom~||~Alloftheabove
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