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三副197道题

1.气团离开源地后,使气团发生变性慢的情况是()

单选题

A. 所经下垫面比气团冷~||~所经下垫面与气团温度相等~||~气团移动速度慢~||~所经下垫面比气团暖

2.通常反气旋的强度(intensity)以(),中心气压值越高,表示反气旋越强。

单选题

A. 中心最高气压表示~||~最里面闭合等压线数值表示~||~最外面闭合等压线数值表示~||~中心最低气压表示

3.()是影响海面能见度的主要因子。

单选题

A. 风~||~浪~||~流~||~雾

4.兰勃特投影法又称等角正割圆锥投影。将地球体的()纬圈与圆锥面相割。

单选题

A. 30°和45°~||~30°和60°~||~225°和45°~||~33°和66°

5.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

6.______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

7.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

8.入射雷达波与目标表面的夹角(),称为雷达视角

单选题

A. (0°~90°)~||~(45°~90°)~||~(90°~130°)~||~(130°~175°)

9.低层大气中,特别是在近地面附近,风向与等压线斜交,南半球是()的气流系统

单选题

A. 低层顺时针辐散~||~低层逆时针辐合~||~低层顺时针辐合~||~低层逆时针辐散

10.()是冷、暖气团势力相当,互有进退,锋面在小范围内来回摆动的锋。

单选题

A. 冷锋~||~暖锋~||~准静止锋~||~锢囚锋

11.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

12.在水流影响较大的海域航行时,应输入对()速度。

单选题

A. 天~||~地~||~水~||~船

13.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

14.If a weather bulletin shows the center of a low pressure system to be 100 miles due east of you, what winds can you expect in the Southern Hemisphere? ______.

单选题

A. South-southwesterly~||~North-northwesterly~||~South-southeasterly~||~North-northeasterly

15.______get your engine ready before six tomorrow morning.

单选题

A. You’dbetter~||~Youwouldbetter~||~Youatleast~||~Youatmost

16.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

17.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

18.雷达距离分辨力与发射脉冲宽度、屏幕像素尺寸、接收通道信号处理失真等()有关。

单选题

A. 设备因素~||~气象海况~||~目标反射能力~||~雷达设备能力

19.The bow thruster generally is ineffective at ______.

单选题

A. over3knotsheadway~||~atanyspeedastern~||~atanyspeedahead~||~over1knotsternway

20.How many GMDSS operators are needed/required on board according to the provisions of the International Convention for the Safety of Life at Sea,1974?______.

单选题

A. 4operators~||~3operators~||~2operators~||~1operator

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