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三副197道题

1.罗经柜通常由()等非磁性材料制成,主要用来支撑罗盆和安放消除的自差校正器。

单选题

A. 铁和铜~||~铜铝木~||~钢和铁~||~铁镍合金

2.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

3.下列正确的说法是()

单选题

A. 毛毛雨落在水面有波纹,落在甲板上无湿斑~||~毛毛雨落在水面无波纹,落在甲板上有湿斑~||~小雨落在水面会激起波纹或水花,落在甲板上可留下湿斑~||~小雨落在水面无波纹,落在甲板上可留下湿斑

4.一般地面反气旋中心气压值在()

单选题

A. 1000~1020hPa之间,目前的最高记录是10533hPa~||~1040~1060hPa之间,目前的最高记录是10833hPa~||~1020~1040hPa之间,目前的最高记录是10833hPa~||~一般在980~1000hPa之间,目前的最高记录是10333hPa

5.某轮候潮过浅滩时,需计算所需潮高,若某轮吃水7.5米,要求富裕水深0.5米,浅滩的海图水深4.3米,则通过浅滩所需的潮高为()。

单选题

A. 27米~||~113米~||~37米~||~123米

6.在()的作用下,在南、北半球副热带地区的对流层中上层气流辐合、聚积形成沿纬圈分布的稳定而深厚的暖性高压带,称副热带高压带,简称副高。

单选题

A. 太阳辐射和海陆分布~||~太阳辐射和地形影响~||~太阳辐射和地球自转~||~地球自转和海陆分布

7.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

8.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

9.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

10.______the survivors know more of how to cope with cold water in the sinking of MV Titanic in 1912 countless lives ______.

单选题

A. Have/couldhavebeensaved~||~Have/couldhavesaved~||~Had/couldhassaved~||~had/couldhavebeensaved

11.极地大陆气团(Polar continental air mass):(),空气层结稳定。

单选题

A. 干燥低温天气晴朗~||~低温潮湿多阴天~||~干燥低温气层不稳定~||~干燥低温常阴天

12.()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

13.太平洋的西风漂流()越过南太平洋时,在南美西岸有一分支北上形成秘鲁海流,其流速约为0.5kn,属于冷流。

单选题

A. 自北向南~||~自南向北~||~自东向西~||~自西向东

14.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

15.The circular steel structure installed around the propeller of a towboat is the______.

单选题

A. nozzle~||~shroud~||~strut~||~Hood

16.(),如辽阔的海洋、无垠的沙漠、冰雪覆盖的大陆和极区等都可成为气团形成的源地。

单选题

A. 大范围物理性质不均匀的下垫面~||~低层存在逆温~||~对流层风的垂直切变要小~||~具备大范围性质比较均匀的下垫面

17.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

18.A vessel on the high seas that is not under command shall display which of the following day signals? ______

单选题

A. Twoblackballs~||~Threeblackballs~||~Tworedballs~||~Threeredballs

19.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

20.BASHI: E TO SE 9-10. 500M IN HVY SQUALLY SHWRS AND TS. SEA 8-9M. SWELL SE 6-7M. From the above forecast, the wind in Beaufort Scale will be ______.

单选题

A. STRONGGALETOSTORM~||~GALETOSTRONGGALE~||~NEARGALETOGALE~||~STRONGBREEZETONEARGALE

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