最新航海英语补充题库[1]Which signal of the follwings is not provided with onboard lifeboat?船载救生艇不配备下列哪一种信号？A.Rocket parachute signals 火箭降落伞信号B.Buoyant smoke signals可浮烟雾信号C.Hand flare signals 手持火光信号D.Selfigniting signals自点火信号[2]According to IMO regulations,______shall be posted outside lifeboat?根据IMO规定，下列哪一项应张贴于救生艇外部？A.the retrore-flective tapes反光带B.the reflective tapes反射的C.the flashing bands 闪光的D.the antiflashing bands[3]Which one of the following is not required on survival crafts?下列哪一项不是救生筏上应配备的？A.Antiseasickness medicine 抗晕船药B.Immersion suits防寒服C.axes 斧头D.lifebuoys救生圈[4]Have the safety belts for _______been examined?是否已经检查了（全封闭式救生艇的）的安全带？A.total enclosed lifeboatsB.totally enclosing lifeboatsC.totally enclosed lifeboatsD.total encloseing lifeboats[5]The fireprotected lifeboats are found_____________.耐火式救生艇状况（令人满意）。
A.in satisfactorily conditionB.satisfactorilyC.satisfactoryD.satisfactored[6]We test the water spray fire protection system of fireprotected lifeboats every 3 months,___the abandon ship drill.我们每三个月（结合）弃船演习，对耐火式救生艇的防火喷淋系统进行检查。
bining withbined withbining tobined to[7]Are your lifeboats fitted with_______?你船的救生艇是否配有（）？A.cargo wires 吊货索B.topping lift 千斤索C.guiding lines 导引绳D.tripping line海锚拉索[8]Painting on _________is prohibited because it will weaken its sensibility禁止在（）上打油漆，因为会减弱其灵敏度。
A.ship shell 船壳B.exterior of winches 绞车外部C.hydrostatic release unit 静水力释放器D.hold ladders货舱梯[9]Where shall the key to co2 room be kept?大型二氧化碳室的钥匙应放置在哪里？A.In master's cabin 船长房间B.In third office's cabin 三副房间C.In a breakglasstype enclosure conspicuously located adjacent to the room在靠近二氧化碳室边上的醒目位置，放在封闭的可打碎的玻璃盒内D.In a locked locker conspicuously located adjacent to the room在靠近二氧化碳室边上的醒目位置的上锁的储藏室内[10]The fireman's outfit consists of________.消防员装备包括（）A.Safety lamp,protective clothing,rigid helmet,breathing apparatus 安全灯，防护服，硬头盔，呼吸设备B.Emergency escape breathing device,fire damper,extinguishers应急逃生呼吸器，防水挡板，灭火器C.Firefighting equipment, portable extinguishers,fire dampers灭火设备，手提式灭火器，防火挡板D.Fire hoses,fire nozzles,fire hydrants,fire pumps消防皮龙，水枪，消防栓，消防泵[11]Which one of the following is incorrect about Mercator projection?下列有关墨卡托投影的说法哪一句不正确？A.It projects a sphere onto a cylinder.把球形投影到圆柱上B.Because the resulting distance between latitudes are constantly increasing,it is also called progressive projection由于纬度间的距离随纬度增长而增大，又叫渐长式投影C.It can always give true distances总是给出实际距离D.It’s advantage is that longitudes and latitudes are at right angles, which makes it easy to read true bearings其优点是经纬度成直角交叉，可方便地读出真方位[12]Why do distances always have to be measured from the nearest scale on a Mercator chart?为什么在墨卡托投影海图上量取距离时，要取最近处的纬度刻度为标准？A.Because it is thr most efficient way因为是最直接有效的方法B.Because it varies for each latitude因为不同纬度上等长两点间距离不同C.Because it varies with the change of longitude因为不同经度上等长两点间距离不同D.Because it is the most straight line.因为是最直的直线[13]What is ship's heading? ship's heading is the direction_______. 何谓船艏线？船艏线是指（）的方向。
A.the vessel is pointing船舶所指B.the vessel is traveling relative to land船舶相对于陆地航行的C.the vessel is traveling relative to ground船舶相对于地球表面航行的D.the vessel is drifting船舶漂流的[14]How long would 15 minutes of longitude be at a latitude of 60 degrees North?在纬度为60度处，经差15分长度为多少？A.30 nmB.60 nmC.15 nmD.7.5 nm[15]Which one of the followings is incorrect about magnetic compass?下列有关磁罗经的说法哪一句不正确？A.The magentic compass is compulsory on my vessel我船上磁罗经是强制要求配备的B.The magentic compass is prone to error磁罗经容易有误差C.The magentic compass is always placed inside steel constructions磁罗经总是放置在钢铁结构内D.The magentic compass needs to be calibrated to compensate for local magnetic distortion由于各地磁差值不同，磁罗经读数需进行校正[16]Which one of the followings is correct regarding the use of gyrocompass?下列有关电罗经使用的说法哪一句正确？A.Gyrocompass does not have to be started before sailing.开航前不必提前起动电罗经B.Gyrocompass must be stopped when vessel alongside a berth船舶靠泊后应关停电罗经C.Gyrocompass needs to be checked from time to time应经常检查电罗经D.Gyrocompass is not influenced by the latitude and ship's motion电罗经的精度不受船舶位置及运动的影响[17]What may affect the accuracy of sounding with echo sounder?使用回声测深仪测深时，下列哪一项可能影响其测深精度？A.Sea bottom 海底B.Ship's speed 船速C.Speed of current 流速D.Water temperature and density水温及海水密度[18]What often happens when using echosounder at river estuary where a layer of fresh water lies on the top of denser salt water?当在河口港湾中使用回声测深仪时，如该处有一层淡水处于密度更高的海水上层，经常会发生下列哪一种情况？A.A scattering layer appears出现零散的水深读数.B.Echo sounder stops working.回声测深仪停止工作C.shallow water appears. 出现浅水D.Nothing abnormal happens.不会出现异常情况[19]Regarding the use of GPS, which one of the followings is incorrect?关于GPS的使用，下列哪一项不正确？A.GPS is the most accurate global system today. GPS是当今最精确的地球系统B.Its use is still under the U.S. Department of Defence's control其使用仍处于美国国防部的控制之下C.DGPS is more accurate than GPS 差分GPS比普通GPS更精确D.GPS can provide a realtime position under any condition GPS可能随时提供实时船位[20]Without doubt the radar is a highly important navigation aid. But duty officer shall aware that_____when using it.尽管无需怀疑雷达是非常重要的助航设备，但在使用时值班驾驶员仍应明白（）。