Key：增量的修订含在航海天文历关于月亮的改正之中。B
[73] A crack in the deck plating of a vessel may be temporarily prevented from increasing in length by A. cutting a square notch at each end of the crack B. drilling a hole at each end of the crack
C. slot-welding the crack D. welding a doubler over the crack ? crack 裂缝
? deck plating 甲板钢板 ? drill hole 钻眼/钻孔
Key：通过在裂缝的两端钻眼/钻孔可暂时阻止船舶甲板钢板裂缝长度的增加。B [74] A cyclone in its final stage of development is called a(n) ______.
A. tornado B. anticyclone C. occluded cyclone or occluded front D. polar cyclone ? cyclone：[?saikl?un]气旋
? occluded：[??klu:did]闭塞的、封闭的
Key：气旋发展到最后阶段被称为锢囚气旋或锢囚锋。C [75] A dead reckoning (DR) plot ______.
A. must utilize magnetic courses B. must take set and drift into account C. should be replotted hourly
D. should be started each time the vessel’s position is fixed Key：每次确定新的船位后航迹推算应重新开始。D [76] A deck beam does NOT______.
A. act as a beam to support vertical deck loads
B. lessen the longitudinal stiffness of the vessel C. act as a tie to keep the sides of the ship in place
D. act as a web to prevent plate wrinkling due to twisting action on the vessel ? lessen 减少
? stiffness：['stifnis] 刚性、硬度
Key：甲板梁不会减少船舶的纵向刚性。B [77] A deck fitting, used to secure line or wire rope, consisting of a single body with two protruding horns is called a ______.
A. bitt B. bollard C. capstan D. cleat ? protruding：[pr?'tru:di?] 突出的 ? horn：[h?:n] 角质
Key：一个用来固定缆绳或钢丝绳，并由带着两个突出角质的单体组成的一个甲板装置，叫做“系索耳/羊角”。D [78] A DECK, SPACE, AREA, ETC. , NOT PERMITTED TO BE ENTERED FOR SAFETY REASONS defines ______.
A. Restricted area B. Closed area C. Prohibited place D. Forbidden place
Key：某甲板、空间、区域等出于安全原因而不允许进入的区域，定义为“受限制区域”。A [79] A design modification of an anchor chain which prevents kinking is the ______. A. detachable link B. stud link C. Kenter link D. connecting link ? kink [ki?k]缠绕、扭结、绞缠
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? stud：[st ? d]link有档链环
Key：能防止锚绞缠的一种改进设计的锚链是“有档链环”。B [80] A device fitted over the discharge opening on a relief valve consisting of one or two woven wire fabrics is called a ______.
A. flame stopper B. flame screen C. flame filter D. flame restrictor ? fit 安装
? discharge opening排出口 ? relief valve 安全阀、减压阀 ? woven：['w?uv?n]编织的 ? fabric：['f?brik]织物 ? flame stopper 防火网
Key：由一或两个钢丝织网组成的，且安装在安全阀的排出口上的装置，叫”防火网”。B [81] A device used to enlarge the size of an existing bore hole, having teeth arranged on its outside circumference to cut the formation as it rotates is a(n) ______.
A. enlarger bit B. casing bit C. hole opener D. casing opener ? bore hole镗孔、钻孔
? circumference：[s?'k?mf?r?ns]周围、四周 ? formation 形成、形成物 ? rotate：[r?u'teit]转动、旋转 ? hole opener 扩孔器
Key：一个用来扩大现有镗孔尺寸的设备，其周边镶有锯齿，以在转动时切割成形，称为“扩孔器”。C [82] A documented vessel operating over 50 miles offshore must carry an inflatable liferaft with a A. SOLAS A pack B. SOLAS B pack C. coastal pack D. small vessel pack ? operate 使运行
? inflatable：[in'fleit?bl] liferaft 气胀式救生筏 ? pack 一组
Key：一艘有执照的船沿近海航行50多海里，它必须根据国际海上人命安全公约A部分携带一气胀式救生筏。A [83] A Doppler log in the bottom return mode indicates the ______. A. velocity of the current B. bottom characteristics C. depth of the water D. speed over the ground ? doppler：['d?pl?] 多普勒
Key：多普勒测速仪在绝对示速工况模式下显示相对海底的速度/对地速度。D [84] A Doppler log in the volume reverberation mode indicates the ______. A. speed being made good B. speed through the water C. the set of the current D. the depth of the water ? volume：['v?lju:m;] 体积
? reverberation：[ri,v?:b?'rei??n] 体积混响
Key：多普勒测速仪工作在相对示速工况模式显示相对海水的速度。B [85] A Doppler speed log indicates speed over ground ______.
A. at all times B. in the bottom return mode C. in the volume reverberation mode D. only when there is no current Key：多普勒测速仪工作在绝对示速工况模式下显示相对海底的速度/对地速度。B
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[86] A double male coupling is one that ______.
A. has left hand twist B. has inside threads on both ends C. has outside threads on both ends D. takes two men to operate ? coupling：['k ? pli?]连接、接合 ? thread：[θred] 螺纹
Key：双凸连接件是一个两端均有外螺纹的结构。C
[87] A drawbridge may use visual signals to acknowledge a vessel?s request to open the draw. Which signal indicates that the draw will NOT be opened immediately?______. A. A flashing amber light B. A fixed red light C. A white flag raised and lowered vertically D. A flashing white light ? drawbridge 吊桥
Key：吊桥可以利用视觉信号区确认船舶的打开吊桥的请求，那种信号表示不可以立即打开吊桥？ 一盏红色的定光灯。B
[88] A fairly accurate estimation of a ship?s position can be calculated by a technique know as ___ A. dead reckoning B. pilotage C. great circle sailing D. geographic navigation Key：一个相当精确的船位估算可以通过一种称为“航迹推算法”的技术来计算。A [89] A fiber towing hawser is readied for service by ______. A. spooling it on a winch cathead
B. coiling it in a counterclockwise direction on the fantail C. faking it on deck in a fore and aft direction
D. spooling it on a reel lying on its side to prevent rolling ? fake 盘绳 fiber：['faib?] 纤维 ? service 工作、使用、维修、保养
Key：纤维绳拖缆通过“在甲板上首尾方向盘绳”以示其准备工作。C [90] A FICTIVE LINE DISPLAYED ON THE RADAR SCREEN SEPARATING THE
FAIRWAY FOR INBOUND AND OUTBOUND VESSELS SO THAT THEY CAN SAFELY PASS EACH OTHER defines ______.
A. Separated line B. Divided line C. Reference line D. Segregated line
a fictive line displayed on the radar screen separating the fairway for inbound and outbound vessels so that they can safely pass each other defines ”reference line”. ? inbound 到达的、入境的 ? outbound 出港的、离开的
Key：一条显示在雷达屏幕上用于区分航道，以便出入航道的船舶能够安全通行的虚线，定义为“基准线”。C [91] A fire has broken out the stern of your vessel. You should maneuver your vessel so the wind A. blow the fire back toward the vessel B. comes over the bow C. comes over the stern D. comes over either beam ? break out 突然发生、爆发 ? come over 过来、从远处来
Key：船尾突然起火，这时你应当操纵船舶使得风从船首吹来。B [92] A fire hose with a nozzle attached must be connected to each hydrant except when exposed to heavy weather or when the ______.
A. fire hose might be damaged by cargo operations B. vessel is in port C. fire-man system is not charged
D. fire pumps are used for purposes other than supplying water to the fire main
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? hose：[h?uz]水龙带 ? nozzle：['n ? zl] 喷嘴 ? attach 附上、连在一起
? hydrant：['haidr?nt] 消防栓 ? expose to 受到、遭受
Key：带有喷嘴的消防水龙带必须连接到每一消防栓上，除了：当遭受恶劣天气或当消防水龙带由于货物操作而受到损坏。A
[93] A fire in a ballast pumproom can be brought under control with minimal impact on stability by A. cooling the outside bulkheads with water
B. shutting all sources of air into the compartment C. closing the sea chest D. flooding the compartment with salt water ? pumproom 泵房、泵舱 ? shut 关闭
Key：压载水泵舱着火可通过关闭所有进入舱室的空气源，以此得到控制并对稳性产生最小的影响。B [94] A fire in the galley ALWAYS poses the additional threat of ______. A. contaminating food with extinguishing agent B. spreading through the engineering space
C. causing loss of stability D. a grease fire in the ventilation system ? grease：[gri:s] 油脂、润滑油
Key：厨房着火总是会对“通风系统的润滑油火灾”构成额外的威胁。D [95] A fire is discovered in the forepeak of a vessel at sea. The wind is from ahead at 35 knots. You should ______.
A. remain on course and hold speed B. change course and put the stern to the wind
C. change course to put the wind on either beam and increase speed D. remain on course but slack the speed ? forepeak 船首舱
? put 使处于（某种状态）
Key：海上航行时船首舱着火，风以35节的速度从船首吹来，你应该：改向以使船尾受风。B [96] A fire of escaping liquefied flammable gas is best extinguished by ______. A. cooling the gas below the ignition point B. cutting off the supply of oxygen C. stopping the flow of gas D. interrupting the chain reaction ? escaping 溢出的、泄露的 ? cut off 切断、阻碍
? oxygen：['?ksid??n] 氧气
Key：液化易燃性气体泄露最好的扑灭方法是：切断氧气供应。C [97] A fire pump may be used for other purposes if ______.
A. the other services are run off a reducing station with a pressure gage
B. one of the required pumps is kept available for use on the fire main system at all time C. no relief valves are installed D. all of the above conditions are met
Key：如果：消防总管上的必需的消防泵只要有一个一直保持可用状态，那（其它）消防泵可被用于其它目的。
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B [98] A fire starting by spontaneous combustion can be expected in which condition? ______. A. Paints, varnish, or other liquid flammables are stowed in a dry stores locker. B. Inert cargoes such as pig iron are loaded in a wet condition. C. Oily rags are stowed in a metal pail.
D. Clean mattresses are stored in contact with an electric light bulb. ? spontaneous：[sp?n'teinj?s, -ni?s] 自发的 ? combustion：[k?m'b?st??n]燃烧 ? expect 预料、预期 ? rag：[r?g] 破布、碎布 ? pail：[peil] 提桶
Key：哪种状况下可预料会发生自燃引起的火灾？油碎布积载在铁桶内。C [99] A fire starts on your vessel while refueling. You should FIRST ______. A. stop the ventilation B. sound the general alarm C. determine the source of the fire D. attempt to extinguish the fire ? refuel：[ri:'fju?l] 加燃料
KEY：若你船在加燃料时着火，你应当首先发出全船警报。B [100] A flame screen ______.
A. permits the passage of vapor but not of flame B. prevents the passage of flammable vapor
C. prevents inert gas from leaving a tank D. permits vapors to exit but not enter a tank ? flame screen 防火网 ? vapor：['veip?]蒸汽 ? flame：[fleim] 火焰
Key：防火网可允许蒸汽通过，但不允许火焰通过。A
[101] A floating vessel will behave as if all of its weight is acting downward through the ______. A. center of gravity B. center of buoyancy C. center of floation D. metacenter ? behave 表现 ? as if 好像、似乎 ? act 作用
? downward 向下的
Key：一艘漂浮的船舶可看做其所有重力的合力通过重心作用力向下。A [102] A flooded lifeboat on board a vessel would adversely affect the vessel?s stability by ______. A. increasing the righting moment B. decreasing the vessel?s displacement
C. increasing the reserve buoyancy D. shifting the CG (center of gravity) off center ? adversely：[?d'v?:sli]相反地、不利地
Key：船上一艘进水的救生艇会因为“转移船舶重心使其远离中心”而不利地影响船舶的稳性。D [103] A foam-type portable fire extinguisher is most useful in fighting a fire in ______. A. generators B. oil drums C. the bridge controls D. combustible metals Key：便携式泡沫灭火器在扑灭“油桶”最有效。B
[104] A foam-type portable fire extinguisher would be most useful in combating a fire in ______.
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