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三副197道题

1.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

2.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

3.Several shoals______reported to exist in the area southwest of the Brothers.

单选题

A. have~||~havebeen~||~has~||~hasbeen

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

单选题

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

5.下列有关真方位度量的说法中,正确是()

单选题

A. 由真北逆时针度量到物标方位线,度量范围000o~360o~||~由真北顺时针度量到物标方位线,度量范围000o~360o~||~由陀螺北逆时针度量到物标方位线,度量范围000o~360o~||~由陀螺北顺时针度量到物标方位线,度量范围000o~360o

6.The commander of a rescue unit designated to co-ordinate search and rescue operations within a specified area is the ______.

单选题

A. Generalcommander~||~Commandergeneral~||~On-scenecommander~||~Searchcommander

7.“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

8.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

9.PUBLIC ADDRESS SYSTEM:LOUDSPEAKERS IN THE VESSEL’S CABINS, MESS ROOMS, ETC., AND ON DECK VIA WHICH IMPORTANT INFORMATION CAN BE BROADCAST FROM A CENTRAL POINT, MOSTLY FROM THE NAVIGATION BRIDGE defines ______.

单选题

A. AA-system~||~PP-system~||~PA-system~||~AP-system

10.由于海面风的不同,风海流可分为()

单选题

A. 风生流和地转流~||~地转流和补偿流~||~定海流和地转流~||~定海流和风生流

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.因霾使天空的云量、云状全部或部分不明时,(),相应栏记录可辨明部分的云状;若透过这些现象能完全辨明云量、云状时,则按正常情况记录。

单选题

A. 低云状栏记"∞",总低云量栏记"-"~||~云状栏记"∞",总低云量栏记10~||~云状栏记"-",总低云量栏记"-"~||~云状云量栏均不作记录

13.在船底装有发射超声波的发射换能器A和接收超声波的接收换能器B,A与B之间的距离为S,称为基线。发射换能器A以间歇方式向水下发射()

单选题

A. 音频声波连续波~||~连续超声波~||~频率超声波脉冲~||~音频声波脉冲

14.自由陀螺仪指()

单选题

A. 高速旋转的三自由度陀螺仪~||~主轴可指向空间任意方向的陀螺仪~||~不受任何外力矩作用的平衡陀螺仪~||~重心与其中心相重合的三自由度陀螺仪

15.潮汐周日不等(diurnal inequality of tide)的现象为()。

单选题

A. 一天有两次涨潮和两次落潮~||~相邻两次高潮或两次低潮潮高不等~||~涨落潮时间不相等~||~一天有两次高潮或两次低潮的潮高以及相邻的高低潮的时间间隔不相等

16.鞍形气压区,两个高压之间的狭长区域称为()

单选题

A. 低压带~||~高压带~||~低压槽~||~高压脊

17.______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

18.My vessel______bad weather with winds reaching force 9 on her way home.

单选题

A. encountered~||~faced~||~found~||~Met

19.热带气旋与温带气旋相比较,通常从中心向外围的大风变化为()

单选题

A. 两者均迅速减小~||~前者迅速减小,后者缓慢减小~||~前者缓慢减小,后者迅速减小~||~两者均缓慢减小

20.观测时间一律使用世界时(UTC),每天按()观测四次。

单选题

A. 00Z06Z12Z18Z~||~03Z09Z15Z21Z~||~00Z12Z~||~08Z14Z20Z02Z

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