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1.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
2.从地面向上随着高度的增加而空气密度则（）
单选题A. 缓慢递减~||~迅速递减~||~缓慢递增~||~迅速递增
3.The approach to the roads and harbor from the______entails no difficulty．
单选题A. eastern~||~easterly~||~eastward~||~Eastwards
4.根据干湿球温度表读数的差异变化可以推算平流雾的生消，当干湿球温度的读数趋于一致时，则（）
单选题A. 出现平流雾~||~雾在逐渐消失~||~不会出现平流雾~||~向生雾的趋势发展
5.______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
6.太平洋的西风漂流（）越过南太平洋时，在南美西岸有一分支北上形成秘鲁海流，其流速约为0.5kn，属于冷流。
单选题A. 自北向南~||~自南向北~||~自东向西~||~自西向东
7.远离或尚未影响到预报责任区时，根据需要可以发布“消息”，预计未来（）内将影响本责任区的沿海地区或登临时发布警报
单选题A. 24h~||~48h~||~72h~||~36h
8.通常在近地层风速具有明显的日变化特征，主要表现为（）
单选题A. 白天小夜间大~||~白天大夜间小~||~白天和夜间一样大~||~昼夜均小
9.定位精度，PSNGOOD表示飞机定位，误差（）
单选题A. 小于20nmile~||~20～30nmile~||~20～40nmile~||~大于40nmile
10.东海和南海盛行东北季风，以东北浪居多，（）东北浪占优势。
单选题A. 渤海海峡~||~北部湾~||~长江口~||~台湾海峡
11.已知磁差Var=2°W，罗经差1°W，磁航向000°，则真航向为（）
单选题A. 357°~||~358°~||~359°~||~003°
12.Do not______the watch to the relieving officer until he has verbally expressed his acknowledgment of the information which has been passed by the officer handing over．
单选题A. turnover~||~handover~||~handsoff~||~takeover
13.In what units are heights and soundings in the chart？ They are in ______.
单选题A. metersandfathoms~||~fathomsandmeters~||~meterandfathom~||~fathomandmeter
14.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
15.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
16.In the Northern Hemisphere, when the wind at your location is northerly, the low pressure center causing the wind is located to your ______.
单选题A. NNW~||~WSW~||~ESE~||~SSW
17.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
18.在平静的大洋航行时，雷达只用于避碰观测，采用（）是最方便的选择。
单选题A. H-up~||~N-up~||~C-up~||~真方位TB
19.一般地面反气旋中心气压值在（）
单选题A. 1000～1020hPa之间，目前的最高记录是10533hPa~||~1040～1060hPa之间，目前的最高记录是10833hPa~||~1020～1040hPa之间，目前的最高记录是10833hPa~||~一般在980～1000hPa之间，目前的最高记录是10333hPa
20.My ship sailed______port of Shanghai，bound______Rotterdam．
单选题A. from，for~||~for，on~||~on，at~||~at，from
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