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1.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
2.气压场：锋面两侧的（）
单选题A. 气压梯度连续，等压线过锋线的折角指向低压~||~气压梯度连续，等压线过锋线的折角指向高压~||~气压梯度不连续，等压线过锋线的折角指向低压~||~气压梯度是不连续的，等压线通过锋面有指向高压的折角
3.STS--（）(Severe Tropical Storm)，风力10～11级(风速48～63kn)
单选题A. 热带风暴~||~风暴警报~||~强热带风暴~||~大风警报
4.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
5.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．
单选题A. 2/5~||~2/3~||~3/2~||~2/2
6.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
7.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
8.（）是一种典型的”陆雾”，在海面上通常不能产生。
单选题A. 锋面雾~||~平流雾~||~蒸汽雾~||~辐射雾
9.A vessel on the high seas that is not under command shall display which of the following day signals？ ______
单选题A. Twoblackballs~||~Threeblackballs~||~Tworedballs~||~Threeredballs
10.可以促使水汽在一定温度下凝结长大。（）→云消散。
单选题A. 上升运动~||~上升运动+水汽~||~水平运动+水汽~||~下沉运动
11.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
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.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
14.In what units are heights and soundings in the chart？ They are in ______.
单选题A. metersandfathoms~||~fathomsandmeters~||~meterandfathom~||~fathomandmeter
15.The correct method of switching off a marine radar is to turn power switch to ____ position fisrt, then to ______ position.
单选题A. off/standby~||~standby/off~||~standby/close~||~close/standby
16.If a ship will call at four ports for discharging, i.e.A.B.C and D consecutively, the cargo for ______ must generally be loaded first.
单选题A. PortA~||~PortB~||~PortC~||~PortD
17.7级风速为（）m/s。
单选题A. 108-138~||~6-10~||~8-12~||~139-171
18.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
19.降水主要来自高层云和（）
单选题A. 层云~||~雨层云~||~淡积云~||~积雨云
20.我国国家气象局规定，由于冷空气侵袭，我国中央气象台规定24h内降温幅度和日最低气温分别（）时，发布寒潮警报。
单选题A. 10℃以上，5℃以上~||~10℃以下，5℃以上~||~10℃以上，5℃以下~||~10℃以下，5℃以下
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