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1.影响海面能见度的因子除雾外，还有（）
单选题A. 风霾雨雪和低云等~||~沙尘暴霾雨雪和中云等~||~沙尘暴霾雨雪和高云等~||~沙尘暴霾雨雪和低云等
2.BASHI: E TO SE 9-10. 500M IN HVY SQUALLY SHWRS AND TS. SEA 8-9M. SWELL SE 6-7M. From the above forecast, the wind in Beaufort Scale will be ______.
单选题A. STRONGGALETOSTORM~||~GALETOSTRONGGALE~||~NEARGALETOGALE~||~STRONGBREEZETONEARGALE
3.In what units are heights and soundings in the chart？ They are in ______.
单选题A. metersandfathoms~||~fathomsandmeters~||~meterandfathom~||~fathomandmeter
4.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？______.
单选题A. Easttonortheast~||~Easttosoutheast~||~Northtonorthwest~||~Southtosoutheast
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.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
7.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
8.在海平面上温度为15℃，高度每升（）高英尺，降低2℃
单选题A. 1000~||~2000~||~3000~||~4000
9.Several shoals______reported to exist in the area southwest of the Brothers．
单选题A. have~||~havebeen~||~has~||~hasbeen
10.使锋面向冷空气一侧倾斜的主要原因是（）
单选题A. 气压梯度力作用~||~地球自转运动的作用~||~水平方向的空气流动~||~冷暖气团相互抬挤
11.Many of the lights on this coast are placed so high as to be frequently obscured by______．
单选题A. power~||~tower~||~cover~||~lowclouds
12.有资料表明，一个三级浮标装了五角反射器后，探测距离可从1.5nmile增加到（）
单选题A. 25nmile~||~3nmile~||~35nmile~||~4nmile
13.______20 targets can be tracked at one time．When maximum tracking capacity is reached，no further acquisitions(捕获) are possible．
单选题A. Asmanyas~||~Somanyas~||~Asmuchas~||~Asmoreas
14.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
15.气压观测应在（）
单选题A. 正点前15min进行~||~接近正点进行~||~正点前10min进行~||~正点前30min进行
16.在海陆热力差异引起的季风中，最强盛的季风是（）
单选题A. 东亚季风~||~北美季风~||~南亚季风~||~南美季风
17.在海平面上大气压为1013hpa，高度每升高1000英尺(304.8m)，降低（）
单选题A. 35hpa~||~36hpa~||~37hpa~||~38hpa
18.用一个扇形区(虚线)表示其未来移动方向和中心可能到达的位置。扇形前面概率圆边上的数字表示预报日期和时间，概率圆的概率约为（）
单选题A. 100%~||~80%~||~70%~||~50%
19.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
20.船位报告是（）
单选题A. 一天三次的船位例行报告~||~为保持报告系统有效而进行的在必要时刻做出的报告~||~中午船位~||~船舶转向后作的船位报告
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