单选（每题2分共100分）1．For details of these and other lights the larger scale charts and Admiralty Lists should be ______．A．consideredB．consultedC．concludedD．commanded2．Many of the lights on this coast are placed so high as to be frequently obscured by ______．A．powerB．towerC．coverD．low clouds3．The lighthouse if ______ at night may be in trouble．A．invisibleB．it is invisibleC．isn't visibleD．unvisible4．Several shoals ______ reported to exist in the area south-west of the Brothers．A．haveB．have beenC．hasD．has been5．In revised editions of Admiralty charts the ______ are corrected first．A．smaller scalesB．larger scalesC．smaller scales and larger scalesD．moderate scales6．The shoreline shown on nautical charts of areas affected by large tidal fluctuations (涨落)is usually the line of mean ______．A．lower low waterB．low waterC．tide levelD．high water7．During daylight savings time the meridian used for determining the time is located farther ______．A．west in west longitude and east in east longitudeB．east in west longitude and west in east longitudeC．westD．east8．Attention is ______ the advice on the use of charts in The Mariner's Handbook Chapter 3，Section 1．A．fixed toB．needed forD．drawn to9．Charted depths ______ by 2 meters due to state of the winds．A．is decreasedB．decreasedC．decreasesD．are decreased10．______ the abstracts of deck logbook covering the said accident．A．Attached herewith areB．Attached is herewithC．Attached are herebyD．Hereby are attached11．Every entry required to be made in the Official Logbook shall be signed by the ______．A．Mate on watchB．Master and Chief Mate or other member of the crewC．Master onlyD．Purser，one of the Mates，and some other member of the crew 12．Logbooks are used to record the events occurring when ______．A．the ship is in a harborB．the ship is at anchorageC．the ship is underwayD．all of the above13．An accident came ______ my mind when I saw the broken case．A．inB．onC．toD．with14．The SMS should provide for specific measures aimed at promoting the ______of equipment or systems the sudden operational failure of which may result in hazardous situations．A．visibilityB．abilityC．reliabilityD．capability15．A qualified deck officer should be ______ the watch．A．in charge ofB．arrangedC．decided toD．the depth of16．How many GMDSS operators are needed/required on board according to the provisions of the International Convention for the Safety of Life at Sea,1974? ______．A．4 operatorsC．2 operatorsD．1 operator17．Instructions on how to conduct search and rescue are given in the ______ which is primarily designed for use by merchant ship．A．MARPOLB．IRPCS （International Regulations for Preventing Collisions at Sea ）C．SOLASD．MERSAR （Merchant ship search and rescue）18．Annex V to MARPOL 73/78 contains requirements pertaining to（关于）the discharge into the marine environment of ______．A．oilB．garbageC．noxious liquid substances （有毒液体物质）D．None of the above19．Apparent wind speed blowing across a vessel under tow can be measured by a(n) ______．A．barometer （气压计）B．wind vane （风向标）C．anemometerD．thermometer20．After casting off moorings at a mooring buoy in calm weather，you should ______．A．go full ahead on the engine(s)B．back away a few lengths to clear the buoy and then go ahead on the engines C．go half ahead on the engines and put the rudder hard rightD．go half ahead on the engines and pass upstream of the buoy21．The most doubtful and unpredictable factor in a mooring system is the ______．A．ability of the anchors to hold in a seabedB．anchor chain catenary length （锚链悬链线的长度）C．variability of the fairlead （导缆器的可变性）D．angle of the flukes （锚爪的角度）22．Chafing gear should be placed ______．A．at all wearing points of mooring linesB．at the bitter ends of all standing riggingC．around running riggingD．on wire rope only forces23．Owing to the big draught of the ship，she has to go alongside by the time of ______．A．spring tideB．flood tideC．ebb tideD．slack water （见40-35题）24．The rules state that vessels may depart from the requirements of the Rules when______．A．there are no other vessels aroundB．operating in a narrow channelC．the Master enters it in the ship's logD．necessary to avoid immediate danger25．Mariners proceeding across the main routes are ______ to do so as wide an angle as practicable．A．recommendedB．reportedC．appliedD．complied26．A tug would NOT assist a ship to steer if the tug is made up to the large vessel ______．A．by a tow line ahead of the vesselB．forward on either bow of the vesselC．approximately amidships of the vesselD．on the vessel's quarter27．Where one of two vessels is to keep out of the way the other ______．A．shall not keep her course but shall keep her speedB．shall not keep her course and speedC．shall keep her course but change her speedD．shall keep her course and speed28．All of the following are engaged in fishing EXCEPT ______．A．A vessel trawlingB．A vessel trollingC．A vessel setting netsD．A vessel tending lines29．When underway in a channel, you should keep to the ______．A．middle of the channelB．starboard side of the channelC．port side of the channelD．side of the channel that has the widest turns30．The two vessels underway may collide with ______,if they don't take immediate measures．A．one to anotherB．one the otherC．each the otherD．each other31．The shortest distance between any two points on earth defines a ______．A．small circleB．great circleC．rhumb line （恒向线，等角线）D．hyperbola （双曲线）32．When a buoy marks a channel bifurcation(分支), the preferred channel is NOTindicated by ______．A．the shape of an unlighted buoy （无光浮标的形状）B．the light color of a lighted buoy （浅色发光浮标）C．the color of the topmost band （最高频带颜色）D．whether the number is odd or even33．Uncharted lights, fog signals and radar beacon transmissions may be ______ near the station．A．encounteredB．metC．contactedD．seen34．Spring tides occur ______．A．when the moon is new or fullB．when the moon and sun have declination（赤纬）of the same nameC．only when the moon and sun are on the same sides of the earthD．at the beginning of spring when the sun is over the equator35．The set of the ocean current is caused by ______．A．density differences of the waterB．rotation of the earth（地球自转）C．direction of primary circulation of air （主要空气环流的方向）D．all of the above36、Charted depths ________by 2 meters due to state of the winds.A、is decreasedB、decreasedC、decreasesD、are decreasd37、Where one of two vessels is to keep out of the way the other________.A、shall not keep her course but shall keep her speedB、shall not keep her course and speedC、shall keep her course but change her speedD、shall keep her course and speed38、This is________where we shall anchor.A、the light-houseB、the anchorageC、the pilot stationD、the light-buoy39、________ready for mooring.A、DoB、HaveC、MakeD、Get40、I am maintaining my course and speed.A、changingB、keepingC、alteringD、going41、Currents are________in rate and direction.A、varyB、variableC、variablyD、variability42、The additional cargo is to be loaded________board our ship.A、onB、inC、fromD、to43、________will the discharging operations take?A、How longB、How lengthC、How many timesD、How many shift44、Freight rates are mostly charged________.A、by the weight(tons)of cargoB、by the capacity(tons)of vesselC、by DW of the vesselD、by the draft of the vessel45、Some goods are missing________terrible weather.A、dueB、because ofC、becauseD、since46、I don't know________there's any shortage or not.A、ifB、howC、whyD、unless47、Discharging can be completed in no time.A、without timeB、very soonC、in any timeD、during day time48、When the________is large, the ship is stiff;and when it is small,she is tender.A、GMB、Free surfaceC、Longitudinal center of gravityD、transverse center of gravity49、A charter party is an agreement between________.A、the Shipowner and his agentB、the Charterer and his agentC、the Shipowner and the ChartererD、the merchant and the Charterer50、In a weather report GMT stands for________.A、Greenwich Mean TimeB、Grneral Mean TimeC、GovernmentD、General Management Treaty。