[453] All straight lines represent great circle tracks on a chart based on a(n) ______. A. Mercator projection B. polyconic projection C. orthographic projection D. gnomonic projection KEY: D在基于心投影的海图上所有直线都被代表大圆航线。 [454] 同上
[455] All the cargo holds must be ___ cleaned out __ meet the requirement of the cargo surveyor. B. such / that B. so / that C. such / to D. so / as to KEY: D所有货舱必须被清理以满足货物测量员的标准。 [456] 同上
[457]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．
A．2/5 B．2/3 C．3/2 D．2/2
KEY: A听到警报时所有船员必须能按照应变部署表在两分钟内道达指定地点。轮机人员必须在五分钟内打开消防泵并备妥。
[458] All the damage and shortage, ______ those incurred after discharge and before delivery to receivers, should be noted in the discharging report.
B．including B. besides C. except D. in addition to
KEY: A所有损坏和缺损，包括交货前所产生的费用交付给接收人员，必须记录在报告内。
[459] All the following except ___ are fittings for securing and lashing containers on board ships. B. stackers B. twistlock C. bridge fittings D. containment booms KEY: D在船上以下除了油围栏其它都是用于集装箱的绑扎和系固配件。
[460] All the holds and other parts of the ship in which cargo is to be stowed should be ______ for the carriage.
B. comfortable B. suitable C. stable D. Favorable KEY: B所有货舱以及其他的一些区域存放的货物必须适合运输。
[461] All the holds to be loaded with grain must be swept ______ commencement of loading. A. cleanly / during B. clear / meanwhile C. clean / between D. clean / prior to
KEY: D所有准备装载谷物的货舱必须在开始装货之前被清洁干净。 [462] 同上
[463] All the holds which are to take cereals in bags must be so cleaned that they meet the requirements of the ______.
A. local agent B. cargo surveyor
C. accident investigator D. general average adjuster
KEY: B所有接受（装载）袋装谷物的货舱必须被清洁以符合货物检验员的要求。 [464] All vessel personnel should be familiar with the survival craft?s ______. A. boarding and operating procedures B. maintenance schedule C. navigational systems D. fuel consumption rates KEY: A所有船员必须熟练掌握救生筏的登乘和操作程序。 [465] 同上
[466] All vessels ______ size shall, whether in a fairway or not, observe the International Regulations for Preventing Collisions at Sea.
B. in spite of B. irrespective C. in respect D. in matter of
KEY: A所有船舶无论大小，是否在航，均应遵守1972年国际海上避碰规则。 [467]All VHF marine band radios operate in the simplex mode，which means that______． A．only one person may talk at a time B．only two persons may talk at the same time C．the radio only transmits D．the radio only receives
KEY: A海上所有的甚高频波段操作在单工模式，这意味着在每次仅有一个海员可以交谈。 [468] All wire rope used in shipboard cargo gear must be identified and described in a certificate. The certificate shall certify all of the following EXCEPT the ______.
A. date of the test B. load at which a test sample broke
C. name of the vessel D. number of strands and of wires in each strand KEY: C在船上货物设备上所有使用的钢丝绳必须被鉴别和签发证书。证书证明所有下列情况除了船名。
[469]Allow me to put______some evidence for your further consideration． B. up B．on C．into D．Forward
KEY: D允许我提供一些证明给你做更深一步的考虑。
[470] Although KG for a vessel in lightweight is relatively high, the vessel is stiff because ___. B. KM is small B. KM is high C. BL is small D. KB is large 虽然船舶空载时KG相对大，但是船舶稳性大因为KM大。 [471]Altocumulus clouds are defined as______． A．high clouds B．middle clouds
C．low clouds D．vertical development clouds KEY: B高积云被定义为中云族。
[472] An ABC dry chemical fire extinguisher would be LEAST effective against a fire in ______. A. a mattress B. spilled liquids such as oil or paint C. high voltage electrical gear D. a trash can KEY: A干粉灭火机对席子着火的扑救效果最差。
[473]An accident came______my mind when I saw the broken case． B. in B．on C．to D．With
KEY: C一个事故以我的看法，我看到了当时损坏的情况。
[474] An advantage of a dry chemical over a carbon dioxide fire extinguisher is its ______. A. greater range B. effectiveness on all types of fires C. cleanliness D. All of the above KEY: A干粉灭火器优于CO2灭火器的优点是它更远的作用距离。
[475] An advantage of an ABC dry chemical over a carbon dioxide fire extinguisher is ______. A. lack of toxicity B. the multipurpose extinguishing ability C. burn-back protection D. cooling ability KEY: BABC干粉灭火器较二氧化碳灭火器时一个多功能灭火器。
[476] An advantage of nylon rope over manila rope is that nylon rope ______. A. can be used in conjunction with wire or spring-lay rope B. can be stored on decks exposed to sunlight
C. can hold a load even when a considerable amount of the yarns have been abraded D. gives audible warning of overstress whereas manila does not
KEY: C尼龙绳优于马尼拉绳的优势是尼龙绳多股沙受损仍可负荷。 [477] An air mass is termed warm if ______.
A. it is above 70°F
B. the ground over which it moves is cooler than the air C. it originated in a high pressure area D. it originated in a low pressure area
KEY: B气团被称为暖式假如在其移动下方的地面比它冷。 [478] 同上
[479] An anemometer on a moving vessel measures ______. A. apparent wind speed only B. true wind speed and true wind direction
C. true wind speed only D. apparent wind speed and true wind direction
KEY: A在运动的船上的风速计仅测量视风（相对风）速。 [480] An aneroid barometer is an instrument ______. A. used to measure the speed of wind B. in which the pressure of air is measured
C. that tells which direction a storm is coming from D. used to measure the height of waves
KEY: B无液[空盒]气压表是测量空气压力的一种仪器。
[481] AN APPOINTMENT BETWEEN VESSELS NORMALLY MADE ON RADIO TO MEET IN A CERTAIN AREA OR POSITION defines ______.
A. Bona fide B. Rendez-vous C. Prima facie D. Action in personam KEY: B船舶之间通常用无线电约定会遇在一个确定的地区或位置叫集合点 [482] 同上
[483] An emergency sea anchor may be constructed by using ______.
A. a boat bucket B. an air tank filled with water C. an oar and canvas weighted down D. All of the above
KEY: D应急海锚能够通过使用船用桶，灌水的空气罐，加重下沉的浆橹或帆布。 [484] 同上
[485] An engine compartment gasoline fire requires which type of extinguisher?______. B. Carbon dioxide B. Dry chemical C. Foam D. All of the above KEY: D机舱油汽火灾要求哪一种灭火器（扑灭）？CO2，干粉，泡沫 [486]An example of a messenger is a______．
A．fairlead B．heaving line C．stay D．Warp KEY: B撇缆是引缆的一种。
[487] An example of a modern anchor which has a stock is a(n) ______. A. articulated anchor B. Flipper Delta anchor C. Baldt anchor D. Danforth anchor KEY: D现代锚中丹福斯锚是有杆锚。
[488] An extinguishing agent which effectively cools, dilutes combustible vapors, removes oxygen, and provides a heat and smoke screen is ______.
B．carbon dioxide B. Halon 1301 C. dry chemical D. water fog
KEY: D具有有效的冷却，稀释可燃性气体，移除氧气并提供热和烟的保护层的灭火剂是水雾。
[489] AN ILLNESS PREFERABLY OF AN INFECTIOUS NATURE SEIZING MORE THAN
TWO PERSONS ON BOARD AT THE SAME TIME defines ______.
B．Disease of Crew B. Crew illness C. Group illness D. Mass disease KEY: D在船上一种具传染性质在同一时间侵袭超过两个人的病定义为流行病。 [490] An immersion suit should be equipped with a/an ______.
A. air bottle for breathing B. whistle and hand held flare
C. whistle, strobe light and reflective tape D.whistle, hand held flare and sea dye marker KEY: C救生服应配备有口哨，闪光灯和反光带。 [491] 同上
[492] An important step in fighting any electrical fire is to ______. A. stop ventilation B. stop the vessel
C. de-energize the circuit D. apply water to extinguish the fire KEY: C在扑灭任何电器火灾中一个重要的步骤是切断电路。
[493] An inert gas system is designed to reduce the possibility of tank explosions by ______. A. eliminating sparks and fire in the vicinity of cargo tanks B. removing all hydrocarbon gases from the cargo tanks C. blanketing cargo tanks with inert foam
D. reducing the oxygen concentration below levels necessary for combustion
KEY: D惰性气体系统用于减少油舱爆炸的可能性是通过降低氧气浓度到低于燃烧必需的水平。
[494] An inflatable life raft can be launched by ______. A. the float-free method ONLY B. breaking the weak link on the painter
C. throwing the entire container overboard and then pulling on the operating cord to inflate the raft D. removing the securing straps
KEY: C气胀式救生筏能够通过将整个壳箱抛出船外和然后拉出救生筏的操作绳索而被手动释放。
[495] An inflatable life raft is hand-launched by ______.
A. pulling a cord B. cutting the wire restraining bands
C. removing the rubber packing strip D. throwing the entire container overboard KEY: D气胀式救生筏通过将整个壳箱抛出船外手动释放。
[496] An inflatable life raft is thrown into the water from a sinking vessel. What occurs automatically after the painter trips the CO2 bottles to inflate the raft?______. A. The sea anchor deploys B. The floor inflates
C. If upside down, the craft rights itself D. The painter detaches from the raft
KEY: A气胀式救生筏自沉船上抛入水中。在系艇索松开救生筏的CO2瓶口时自动发生了什么？海锚被打开 [497] 同上
[498] An inflatable life raft should be lifted back aboard the ship by using ______. A. the single hook at the top of the raft B. two lines passed under the raft C. the towing bridle D. All of the above KEY: C气胀式救生筏应使用拖带环被吊回船上。 [499] 同上
[500] An inflatable life raft equipped with a SOLAS B pack must be stowed ______. A. so as to float free B.with the vessel?s emergency equipment