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1.On no account can they cut it______it be fouled.
单选题A. Do~||~would~||~shall~||~should
2.Get searchlight______for transiting the canal at night．
单选题A. on~||~already~||~Almost~||~ready
3.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
4.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
5.（）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
6.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
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.船舶在海上转向后，船上罗经会有（）误差。
单选题A. 速度和冲击~||~速度和纬度~||~冲击和摇摆~||~纬度和冲
9.硬铁部分所获得的磁性可以看做在相当长的时间内是稳定的，故称为（）
单选题A. 永久船磁~||~感应船磁~||~磁罗经~||~自差罗经
10.海浪干扰在扫描起始点周围形成（）
单选题A. 辐射状点线~||~鱼鳞状闪亮随机回波斑点~||~无明显边缘的疏松棉絮状的亮斑区~||~密集点状回波群
11.船位报告是（）
单选题A. 一天三次的船位例行报告~||~为保持报告系统有效而进行的在必要时刻做出的报告~||~中午船位~||~船舶转向后作的船位报告
12.风一日内阵性最强在（），一年中阵性最强在夏季。
单选题A. 清晨~||~午后~||~傍晚~||~深夜
13.If your weather bulletin shows the center of a low pressure area to be 100 miles due east of your position, what winds can you expect in the Northern Hemisphere？______.
单选题A. Easttonortheast~||~Easttosoutheast~||~Northtonorthwest~||~Southtosoutheast
14.（）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
15.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
16.______20 targets can be tracked at one time．When maximum tracking capacity is reached，no further acquisitions(捕获) are possible．
单选题A. Asmanyas~||~Somanyas~||~Asmuchas~||~Asmoreas
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.在海陆热力差异引起的季风中，最强盛的季风是（）
单选题A. 东亚季风~||~北美季风~||~南亚季风~||~南美季风
19.某港某日潮汐资料为：090692cm，1342418cm。该港该日1100的潮高为（）
单选题A. 211cm~||~225cm~||~229cm~||~234cm
20.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
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