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1.(),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
2.If the center of low pressure is due west of you in the Northern Hemisphere, which wind direction should you expect?
单选题A. Southtowest~||~Southtoeast~||~Westtonorth~||~Northtoeast
3.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
4.On no account can they cut it______it be fouled.
单选题A. Do~||~would~||~shall~||~should
5.若使斯伯利37型罗经主轴经过减幅阻尼摆动后趋于稳定位置,其阻尼重物必须加在()
单选题A. 随动部分西例~||~随动部分东侧~||~灵敏部分西侧~||~灵敏部分东侧
6.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
7.My ship sailed______port of Shanghai,bound______Rotterdam.
单选题A. from,for~||~for,on~||~on,at~||~at,from
8.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
9.Several shoals______reported to exist in the area southwest of the Brothers.
单选题A. have~||~havebeen~||~has~||~hasbeen
10.A correction for augmentation is included in the Nautical Almanac corrections for ______.
单选题A. theSun~||~theMoon~||~Venus~||~Noneoftheabove
11.12HOURS GALE WARNING VALID FROM 1103990700 UTC. From this phrase, the waring is expected to be valid from ______.
单选题A. 0700UTCMAR11,1999~||~0700UTCNOV03,1999~||~0700UTC,1103UTC,1999~||~NOVMAR19990700UTC
12.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
13.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
14.台风眼区的天气特征为()
单选题A. 风力最大暴雨~||~风力较弱暴雨~||~风力较大无雨~||~风力较弱无雨
15.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
16.Many of the lights on this coast are placed so high as to be frequently obscured by______.
单选题A. power~||~tower~||~cover~||~lowclouds
17.A pattern according to which vessels and / or aircraft may conduct a co-ordinated search is a ___________.
单选题A. Researchpattern~||~Researchmode~||~Searchpattern~||~Searchandrescuemode
18.若深海海面风向为SW风,则表层风海流的流向应为()
单选题A. 在北半球为南流在南半球为西流~||~在北半球为东流在南半球为北流~||~在北半球为北流在南半球为东流~||~在北半球为西流在南半球为南流
19.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
20.由于作用在单位质量空气上的压力在水平方向上分布不均匀,所产生的力称为()
单选题A. 惯性离心力~||~地转偏向力~||~水平摩擦力~||~水平气压梯度力
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