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1.南赤道流由几内亚湾开始,沿着约4°N~10°S之间(),属于中性流。
单选题A. 向西流动~||~向东流动~||~向西南流动~||~向西北流动
2.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
3.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
4.500hPa等压面的平均海拔高度约为()
单选题A. 4500m~||~5000m~||~5500m~||~6000m
5.“东风送湿,西风送干”的交换方式属于()
单选题A. 平流~||~辐射~||~湍流~||~对流
6.水平气压梯度力与()
单选题A. 空气密度成反比,与气压梯度成正比~||~与空气密度成正比,水平气压梯度成正比~||~与空气密度成反比,水平气压梯度成反比~||~与空气密度成正比,水平气压梯度成反比
7.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
8.Several shoals______reported to exist in the area southwest of the Brothers.
单选题A. have~||~havebeen~||~has~||~hasbeen
9.根据干湿球温度表读数的差异变化可以推算平流雾的生消,当干湿球温度的读数趋于一致时,则()
单选题A. 出现平流雾~||~雾在逐渐消失~||~不会出现平流雾~||~向生雾的趋势发展
10.有资料表明,一个三级浮标装了五角反射器后,探测距离可从1.5nmile增加到()
单选题A. 25nmile~||~3nmile~||~35nmile~||~4nmile
11.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
12.PARACEL:N TO NE 6 AND UP TO 10 IN NA. 4000 M IN FRQ SQUALLY SHWRS AND TS. SEA 2 M AND UP TO 8-9 IN NA. SWELL E TO NE 4-5. FROM the above broadcast, the visibility will be ______.
单选题A. good~||~verygood~||~poor~||~moderate
13.某地当日潮汐资料为:1200400cm,1900136cm,则潮高为300cm的潮时为()
单选题A. 1350~||~1457~||~1500~||~1330
14.陀罗航向指()
单选题A. 真北和陀罗北之间的夹角~||~真北和航向线之间的夹角~||~陀罗北和方位线之间的夹角~||~陀罗北和航向线之间的夹角
15.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
16.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
17.灯塔是雷达良好的目标,雷达的发现距离一般在()之外。
单选题A. 5nmile~||~6nmile~||~7nmile~||~6nmile
18.Radar is used not only to look______,but also to measure their distances away from you.
单选题A. atobscuredobjects~||~forwardsubmergedtargets~||~upexposedtargets~||~forunseenobjects
19.海上副热带高压中部的天气特点是()
单选题A. 风弱,闷热,多阵雨~||~风强,对流旺盛,多阵雨~||~风弱,闷热,万里无云~||~风强,干爽,万里无云
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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