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三副197道题

1.锋面雾最常形成于锢囚气旋中和气旋中暖锋接近中心的部分。多在()和暖锋前产生,有时缓行冷锋后也形成。

单选题

A. 冷锋前~||~冷锋后~||~暖锋后~||~锢囚锋两侧

2.海面能见度为1km,那么警报为()。

单选题

A. 大风警报~||~一般警报~||~浓雾警报~||~风暴警报

3.受地球自转的影响并在控制力矩的作用下,陀螺仪主轴将作()的摆动。

单选题

A. 螺旋线等幅~||~双曲线等幅~||~圆型等幅~||~椭圆等幅

4.______20 targets can be tracked at one time.When maximum tracking capacity is reached,no further acquisitions(捕获) are possible.

单选题

A. Asmanyas~||~Somanyas~||~Asmuchas~||~Asmoreas

5.南半球的东南信风越过赤道进入北半球之后,受地转偏向力作用转变为()

单选题

A. 西风~||~西南风~||~西北风~||~北风

6.使锋面向冷空气一侧倾斜的主要原因是()

单选题

A. 气压梯度力作用~||~地球自转运动的作用~||~水平方向的空气流动~||~冷暖气团相互抬挤

7.______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

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

单选题

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

10.In the Northern Hemisphere, when the center of a high pressure system is due east of your position, you can expect winds from the ______.

单选题

A. southtoeast~||~northtowest~||~northtoeast~||~southtowest

11.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

12.(),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

13.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

14.象灯塔、教堂尖顶及锥形浮标等这类锥形目标的反射性能很差,只有当雷达波与其母线(),其反射性能才和圆柱形目标相同

单选题

A. 交叉时~||~平行~||~互相成180°角时~||~垂直时

15.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

16.使用分道通航制的船舶,拟定航线时应:所选航线尽量与分道内船舶总流向相一致,并注意让开分隔带和分隔线,双向航路内的航线应尽量靠近航道的()

单选题

A. 左侧~||~右侧~||~中间~||~两边

17.罗北偏离真北的角度称为()

单选题

A. 磁差~||~自差~||~罗经差~||~陀罗差

18.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

19.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

20.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

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