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1.通常在中纬地区陆地上交角约为(),在海面上约为10°~20°。
单选题A. 30°~35°~||~35°~45°~||~45°~50°~||~50°~55°
2.______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
3.由于海面风的不同,风海流可分为()
单选题A. 风生流和地转流~||~地转流和补偿流~||~定海流和地转流~||~定海流和风生流
4.Fishing stake, the position of which frequently _____, exist in the area covered by this chart.
单选题A. removed~||~altered~||~corrected~||~Converted
5.观测时间一律使用世界时(UTC),每天按()观测四次。
单选题A. 00Z06Z12Z18Z~||~03Z09Z15Z21Z~||~00Z12Z~||~08Z14Z20Z02Z
6.水平气压梯度力与()
单选题A. 空气密度成反比,与气压梯度成正比~||~与空气密度成正比,水平气压梯度成正比~||~与空气密度成反比,水平气压梯度成反比~||~与空气密度成正比,水平气压梯度成反比
7.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
8.遇有船只避让等特殊情况不能准时观测时,可在()补测完毕,并在记录表中有关栏内注明。
单选题A. 正点前30min~||~正点后1h内~||~正点后2h内~||~正点后30min内
9.7级风速为()m/s。
单选题A. 108-138~||~6-10~||~8-12~||~139-171
10.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
11.一些大气污染成分在大气中发生化学变化从而会形成有害物质,则最常见的都有()
单选题A. 氮氧化物和粉尘~||~酸雨和粉尘~||~氮氧化物和光化学烟雾~||~酸雨和光化学烟雾
12.The bow thruster generally is ineffective at ______.
单选题A. over3knotsheadway~||~atanyspeedastern~||~atanyspeedahead~||~over1knotsternway
13.On no account can they cut it______it be fouled.
单选题A. Do~||~would~||~shall~||~should
14.危险货物报告是()
单选题A. 船舶载有危险货物时所做出的报告~||~当船载危险货物在距岸200nmile范围内散失时所做出的报告~||~当船载危险货物在大洋上散失时所做出的报告~||~当船载危险货物在距岸100nmile范围内散失时所做出的报告
15.Navigational warnings and weather bulletins for shipping ______ from Singapore Radio.
单选题A. broadcast~||~broadcasted~||~arebroadcast~||~arebroadcasted
16.某轮候潮过浅滩时,需计算所需潮高,若某轮吃水7.5米,要求富裕水深0.5米,浅滩的海图水深4.3米,则通过浅滩所需的潮高为()。
单选题A. 27米~||~113米~||~37米~||~123米
17.由于冷空气比暖空气重,随着地球自转,这个过渡带(交界面),向冷气团()
单选题A. 水平~||~垂直~||~螺旋~||~倾斜
18.______get your engine ready before six tomorrow morning.
单选题A. You’dbetter~||~Youwouldbetter~||~Youatleast~||~Youatmost
19.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
20.(),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
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