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1.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
2.在空盒气压表上读数后，除温度订正外，还需进行（）才能得到本站气压。
单选题A. 刻度订正和纬度订正~||~高度订正和刻度订正~||~刻度订正和补充订正~||~高度订正和补充订正
3.气压梯度的大小取决于等压线的疏密程度。等压线越密集，（）
单选题A. 水平气压梯度小~||~水平气压梯度大~||~垂直气压梯度小~||~垂直气压梯度大
4.My vessel______bad weather with winds reaching force 9 on her way home．
单选题A. encountered~||~faced~||~found~||~Met
5.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
6.The circular steel structure installed around the propeller of a towboat is the______．
单选题A. nozzle~||~shroud~||~strut~||~Hood
7.In beaufort wind scale，sea state with moderate waves，taking longer form，many whitecaps and some spray，is named as______．
单选题A. Strongbreeze~||~Freshbreeze~||~Stronggale~||~Gale
8.A vessel engaged in fishing shall not impede the passage of______following a traffic lane．
单选题A. (1)~||~(1)&(2)~||~(3)~||~(4)
9.My ship sailed______port of Shanghai，bound______Rotterdam．
单选题A. from，for~||~for，on~||~on，at~||~at，from
10.附港潮高=（）。
单选题A. (主港潮高-主港平均海面季节改正)×潮差比+附港平均海面季节改正~||~主港潮高×潮差比+改正值~||~主港潮高-主港平均海面季节改正+潮高差+附港平均海面季节改正~||~主港潮高+主港平均海面季节改正+潮高差-附港平均海面季节改正
11.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
12.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
13.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
14.AIS每分钟可以处理（）个以上报告。
单选题A. 1000~||~2000~||~3000~||~4000
15.从地面到大气上界将大气层分为5层，依次为（）
单选题A. 对流层平流层中间层热层散逸层~||~对流层平流层中间层散逸层热层~||~对流层散逸层中间层热层平流层~||~对流层等温层中间层热层散逸层
16.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
17.沙漠地区日较差比潮湿地区的大，（）
单选题A. 晴天的气温日较差比阴天大~||~阴天的气温日较差比晴天大~||~晴天的气温日等于阴天~||~多云的气温日较差比晴天大
18.间接回波的方位通常在（）
单选题A. 船首标志线上~||~船尾线方向~||~盲区内~||~阴影扇形内
19.当夏季风盛行时，则表现为（）的气候特征。
单选题A. 低温潮湿和少雨~||~高温干燥和少雨~||~高温潮湿和多雨~||~低温潮湿和多雨
20.东海和南海盛行东北季风，以东北浪居多，（）东北浪占优势。
单选题A. 渤海海峡~||~北部湾~||~长江口~||~台湾海峡
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