D.F
当船舶在夏季区，海水密度1025，船舶禁止装货到超过标有什么的线的上边缘。
24.when a ship is in winter zone and in seawater of density 1025,she must not load to more than the upper edge of theline marked(C) A.S B.T C.W D.F
当船舶在冬季区，海水密度1025，船舶禁止装货到超过标有什么的线的上边缘。
25.when the density of water is 1000,i.e.in fresh water and in summer zone,a ship may load up to the upper edge of the line marked(D) A.S B.T C.W D.F
当水的密度是1000，也就是淡水和夏季区，船舶可能装货到标有什么的线的上边缘。 26.( A )length of the ship measured from extreme points of the ship forward and aft. A.length overall B.after perpendicular C.amidships D.extreme breadth
什么事穿的长度，从船最前端量到最末端。 27.( C )is a point midway between the forward and the after perpendiacular. A.length overall
B.after perpendicular C.amidships D.extreme breadth
什么是首垂线和尾垂线的中间点
28.( D )measured at the midship section and taken from outside of the ship’s side shell pialing on one side to the outside of ship’ side shell plating on the other side A.length overall B.after perpendicular C.amidships D.extreme breath
什么在船中部测量，从船一舷的船壳板的外部量到另一舷船壳板的外部。
29.(B)measured at the midship section and taken from inside the ship’s shell on one side to inside the ship’s side shell plating on the other side A.length
overall
B.after
perpendicular
C.amidships D.extreme breath
什么在船中部测量，从船一舷的船壳板的内部量到另一舷船壳板的内部。
30.(A)is tsken from the lower most point of the keel to the summer loadline
A.extreme draft B.molded draft C.extreme depth D.molded depth
什么是从龙骨的最低点量到夏季载重线。 31.（B）is measured from the baseline to the summer load line at the midship section
A.extreme draft B.molded draft C.extreme depth D.molded depth
什么是在中部，从船底基线量到夏季载重线。
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32.(C)depth of the vessal at ship’s side from the upper deck to the lowest point of the keel. A.extreme draft B.molded draft C.extreme depth D.molded depth
什么是在船侧的深度，从上甲板量到龙骨最低点。
33.(D)from baseline to ton of the upper deck at the ship’s side amidships
A.extreme draft B.molded draft C.extreme depth D.molded depth
什么是在船侧中部，从船底基线量到上甲板。 34.The ship has an overall length(C)160 meters A.on B.by C.of D.at 船舶有160米的长度
35.I hereby declare that my vessal has a (D) 15400 metric tons
A.bale capacity B.grain capacity C.cargo capacity D.DWTC
兹声明我船有什么15400公吨。
36.The ship has(D)of more than 10metres an full load
A.an engine B.an overall length C.a dispacement D.a draft
船舶的什么在满载时超过10米。 37.(D)is the draft of your ship at full load? A.how many B.how much C.how high D.what 满载时你船的吃水是多少？
38.There are some navigational instrumentss(B) the brige.
A.in B.on C.at D.of
有一些航行仪器在驾驶台。
39.The ship is lacated on my radar. A A.found B.lookef for C.entered D.reported 船舶在雷达上找到了。
40.(D) is an equipement used to detected the presence of ships,buoys,coast and many other targets and to obtain range and beating of these targets.
A.the matine sextant B.the chronometer C.the echo sounder D.the radar
什么是用于探测船舶，浮筒，海岸和其他目标的存在并获得目标的距离和方位的设备。 41.Radar makes it posssible and much safer for us to sail(A)
A.in dense fog B.in boisterous werther C.in the open sea D.in rivers
雷达使我们在哪里航行变得可能并更安全。 42.(A)is used for measuring horizontal and vertical angles.
A.the marine sextant B.the chronometer C.the magnetic compass D.the gyrocompass 什么用作测量水平和垂直角度。
43.(B) is the navigational timekeeper of the vessal.
A.the marine sextant B.the chronometer C.the magnetic compass D.the gyrocompass 什么是船舶的航用钟表。
44.(D)is a radio receiver with ability to sense direction of the incoming radio waves.
A.the echo sounder B.the radar C.the course recorder D.the direction finder
什么是无线电接收机，能检测到无线电波来的
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方向。
45.(C)provides a paper trace of course steered by the vessal against time.
A.the echo sounder B.the radar C.the course recorder D.the direction finder
什么提供纸制的船舶航行的航向轨迹。 46.(C)sends a radio signal from the bottom of the ship to the sea-bed,from which it is reflected. A.the marine sextant B.the chronometer C.the echo sounder D.the radar
什么发送无线电信号从船底到海底，再从海底反射。
47.All echo-sounders can neasure the (B) A.actual depth of water B.actual depth of water below keel C.average depth from waterline to hard bottom D.average depth of water to soft bottom
所有测深仪能测量什么。
48.What may affect the accuracy of sounding with echo sounder? D
A.sea bottom B.ship’s speed C.speed of current D.water temperature and density 什么可能影响测深仪的测深精确度？
49.A Doppler log in the bottom return mode indicates the (D)
A.velocity of the current B.bottom characteristics C.depth of the water D.speed over the ground 多普勒计程仪在海底反射模式（绝对示速工况）显示的是什么。
50.Ship’s steering gear refers to(D)
A.cargo handing machines B.deck winches and
derricks C.engine-room tools D.course controlling system
船舶舵机指的是什么。
51.When steering by autopilot,how often should manual steering be checked? C
A.every day B.when time allows C.at leasr once a watch D.no checking is necessary
当用自动舵驾驶时，多久检查一次人工操舵？ 52.(D)is used for calling and replying,and transmitting acknowledging and relaying distress alerts
A.NAVETEX receiver B.search and rescue transponder C.emergency position indicating radio beacon D.digital selecting calling
什么是用作呼叫，应答，并发送确认和转发遇险警报。
53.(B)is used for providing homing signals from survival craft for detection by 9 GHz radar. A.NAVETEX receiver B.search and rescue transponder C.emergency position indicating radio beacon D.digital selecting calling
什么用作从救生艇筏提供导航信息，以便被9千兆赫的雷达探测到。
54.(A)is used for receiving maritime safety information which is automatically printed by the receiver.
A.NAVETEX receiver B.search and rescue transponder C.emergency position indicating radio beacon D.digital selecting calling
什么用作接收海上安全信息并由接收机自动打印。
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55.(A)may be used ship-to-ship for SAR operations.
A.channel 6 B.channel 13 C.channel 16 D.channel 70
什么频道用作船对船的搜救行动。
56.(C)is used for distress and urgency traffic,and may be used by aircraft for safety purpose. A.channel 6 B.channel 13 C.channel 16 D.channel 70
什么频道用作遇险和紧急通信，并可被飞机用于安全用途。
57.(B)is used for safety of navigetional ship-to-ship.
A.channel 6 B.channel 13 C.channel 16 D.channel 70
什么频道用作船对船的航信安全。
58.The most common type of davit found on merchant vessals today is the (C)
A.radial B.sheath-screw C.gracity D.quadrantal 如今在商船上最普遍的吊艇柱是哪一种。 59.The portable radio apparatus means (C) A.the radio appar fitted on the portside B.the radio with a portable equipment C.the radio equipment which is easily movable D.the portable radio with some apparatus
手提无线电设备指的是什么
60.How many life buoys has your ship been exactly(D)
A.produced by B.met with C.offered of D.provided with
提供船舶多少个救生圈。
61.Each lifebuoy shall be marked in block capitals of the Roman alphabet with (C)of the ship. A.the call sign ande name B.the official number and name C.the port of registry and name D.the port of registry and official number
每个救生圈应用罗马字母大写标出船舶的什么。
62.Is it safe (B) a rocket?
A.to shoot B.to fire C.to let go D.to send to sky 发射火箭安全吗？
63.The EPIRB on a cargo vessal must be stowed(B)
A.in an inside passageway B.in an approved bracket C.so that is it accessible from bridge of the vessal D.so that it will float free if the vessal sinks
应急无线电示位标必须安放在哪里。
64.The line-throwing appliance procided on board ship is (A)
A.for the saving of life B.for fire-fighting C.for mooring purpose D.for towing purpose 提供在船上的抛绳器是什么。
65.I am (A)fire and have dangerous cargo on board.
A.on B.in C.at D.with
我船着火，有危险货在船上。
66.(D),as the chemical estinguisher agent,should be used for an electric fire.
A.dry chemical or foam B.foam or soda acid C.carbon dioxide or foam D.carbon dioxide or dry chemical
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什么，作为化学灭火剂，应用于点火， 67.The major use of water in fighting fires is to(C)
A.suffocate the fire B.absord the oxygen supporting the fire C.act as a cooling agent D.wash the fire away
水灾灭火中主要用途是什么。 68.Fire is under control,and(A)
A.lifeboat is no longer needed B.lifeboat is needed badly C.lifeboat is needed not more D.lifeboat isurgently needed 火势得到控制。
69.The collision bulkhead is locater(D)
A.on the bridge deck B.between the passenger and cargo areas C.at the stern of the ship D.an the first waterlight bulkhead ahead 防撞舱壁位于哪里。
70.(A) is the most visible signal of distress from a lifeboat at sea in the daytime
A.Smoke signal B.flash signal C.fire signal D.radio emergency transmission
什么是白天海上来自救生艇的最明显的遇险信号。
71.The fire-protected lifeboats are found(C) A.in satisfactorily condition B.satisfactorily C.satisfactory D.satisfactored 防火的救生艇怎样。
第三章 海上通信
1.where should the GMDSS radio log be kept on board ship? ( C)
A.In the Captain’s office B.In the sea cabin C.At
the GMDSS operating position D.Anywhere on board the vessal
GMDSS（全球海上遇险与安全系统）无线电日志保存在船上哪里。
2.The terrestrial system of GMDSS consists of(A) A.radio-telephony,DSC,Direct Printing
Telegraphy,Navtex and SART B.INMARSAT,DSC,Direct Pringting Telegraphy,Navtex and SART
C.radio-telephony,DSC,EPIRB,Navtex and SART D.Status Recording system,DSC,Direct Printing Telegraphy,Navtex and SART GMDSS的地面系统包括哪些。
3.The satellite system of GMDSS compire(B ) A.NAVTER,COSPAS/SARSAT,EPIRBs and Status Recording-system
B.Inmarsat,COSPAS/SARSAT,EPIRBs and Status Recording-system
C.NAVTER,Inmarsat,EPIRBs and DSC D.Inmarsat,Direct Printing Telegraphy,and DSC GMDSS 的卫星系统包括哪些
4.What is the most important thing you should do before transmitting on a marine radio?D
A.Ask for permission B.Record the time in your radio log
C.Press the push to talk button three times D.Monitor the channel to ensure that it is clear 在用海上无线电发送前你应做的最重要的事是什么？
5.___A_ within radiotelephone-coverage of at least one VHF-cost station,continuous alerting
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