1.大气中的（）是温室气体，它对太阳短波辐射吸收甚少，强烈吸收和放射长波辐射，对地面和大气的温度分布有重要影响，类似温室效应。

2.A correction for augmentation is included in the Nautical Almanac corrections for ______.

3.Many of the lights on this coast are placed so high as to be frequently obscured by______．

4.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．

5.罗北线与磁北线之间的角度 称为（）

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

7.It is dangerous for vessels without the use of radar______the estuary(河口)．

8.陀罗航向指（）

9.从地面向上随着高度的增加而空气密度则（）

10.In the Northern Hemisphere, when the wind at your location is northerly, the low pressure center causing the wind is located to your ______.

11.（）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。

12.水平气压梯度力与（）

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

14.STS--（）(Severe Tropical Storm)，风力10～11级(风速48～63kn)

15.某地当日潮汐资料为：1200400cm，1900136cm，则潮高为300cm的潮时为（）

16.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（）

17.If your weather bulletin shows the center of a low pressure area to be 100 miles due east of your position, what winds can you expect in the Northern Hemisphere？______.

18.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。

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

20.（）附近，昼夜长短几乎相等，最热月和最冷月热量收支相差不大，气温年较差小。