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1.沙漠地区日较差比潮湿地区的大,()
单选题A. 晴天的气温日较差比阴天大~||~阴天的气温日较差比晴天大~||~晴天的气温日等于阴天~||~多云的气温日较差比晴天大
2.海图数据库包含海图及其他航海出版物的基础数据ENC及其更新数据,它们在系统内形成()供航海者使用
单选题A. ECDIS~||~ENC~||~SENC
3.赤道气团(Equatorialairmass):大致位于南北纬10°以内的洋面。具有()的天气特征
单选题A. 干热稳定少有降雨天气~||~高温潮湿层结不稳定多雷阵雨~||~湿热稳定多狂风暴雨天气~||~高温潮湿稳定无大风天气
4.It is dangerous for vessels without the use of radar______the estuary(河口).
单选题A. toget~||~toapproach~||~toproceed~||~toclose
5.A correction for augmentation is included in the Nautical Almanac corrections for ______.
单选题A. theSun~||~theMoon~||~Venus~||~Noneoftheabove
6.(),海洋升温和降温速度远小于陆地。
单选题A. 陆地的热容量是海水热容量的两倍~||~海水的热容量是陆地热容量的两倍~||~海水热容量与陆地相同~||~海陆热力差异与热容量无关
7.PARACEL:N TO NE 6 AND UP TO 10 IN NA. 4000 M IN FRQ SQUALLY SHWRS AND TS. SEA 2 M AND UP TO 8-9 IN NA. SWELL E TO NE 4-5. FROM the above broadcast, the visibility will be ______.
单选题A. good~||~verygood~||~poor~||~moderate
8.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
9.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
10.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
11.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。
单选题A. 氧气~||~水汽~||~臭氧~||~二氧化碳
12.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
13.(),以数字表示、单位为km。
单选题A. 温度~||~降水量~||~水平能见度~||~现在天气现象
14.“无风三尺浪”是指()
单选题A. 海啸~||~风浪~||~涌浪~||~风暴潮
15.The approach to the roads and harbor from the______entails no difficulty.
单选题A. eastern~||~easterly~||~eastward~||~Eastwards
16.7级风速为()m/s。
单选题A. 108-138~||~6-10~||~8-12~||~139-171
17.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
18.用户与卫星间的几何关系对定位误差影响的大小,可用()GDOP(Geometric Dilutionof Precision)来表示。
单选题A. 精度几何因子~||~三维位置精度几何因子~||~水平方向精度几何因子~||~高程精度几何因子
19.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
20.表示物理现象和大气状态的物理量的气象术语称为()
单选题A. 气象要素~||~迅速递减~||~缓慢递增~||~迅速递增
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