单选题No navigational aids are shown and chart is not kept corrected for alterations in depths inside the pecked lines. For more detailed information, the larger scale charts must be（）.AboughtBanalyzedCconsultedDpublished
单选题
No navigational aids are shown and chart is not kept corrected for alterations in depths inside the pecked lines. For more detailed information, the larger scale charts must be（）.
A
bought
B
analyzed
C
consulted
D
published
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No navigational aids are shown and chart is not kept corrected for alterations in depths inside the pecked lines．For more detailed information，the larger scale charts must be______．A.boughtB.analyzedC.consultedD.Published
材料：A block may not only indicate the insertion of new information，but also the omission of matter previously shown．The text of the Notice should invariably be read carefully．The limiting lines of a block are determined for convenience of reproduction．They need not be strictly adhered to when cutting out for pasting on the chart，provided that the preceding paragraph is taken into consideration．Owing to distortion the bocks do not always fit the chart exactly．When pasting a block on a chart，therefore，care should be taken that the more important navigational features fit as closely as possible．This is best done by fitting the block while it is dry and making two or three pencil ticks round the edges for use as fitting marks after the paste is applied to the chart．问题：DISTORTION means that ______．A.the change in form of the blockB.extract of in form of the blockC.the extension in form of the blockD.the increasing of the data in the blockWhen cutting out and pasting the block care should be used to ensure that ______．A.it be dry enoughB.pencil should be used properlyC.the limits are adhered strictlyD.the more important navigational features fit as closely as possibleThe block is not used to ______ ．A.show omissionsB.provide new informationC.make corrections to the NoticeD.change the shape of the chartsThe block should be ______ on the chart．A.pastedB.drawn by pencilC.fittedD.put请帮忙给出每个问题的正确答案和分析，谢谢！
The buoy symbol printed on your chart is leaning to the northeast. This indicates ______.A.you should stay to the north or east of the buoyB.you should stay to the west or south of the buoyC.the buoy is a major lighted buoyD.nothing special for navigational purposes
How is the annual rate of change for magnetic variation shown on a pilot chart? ______.A.Gray lines on the uppermost inset chartB.Red lines on the main body of the chartC.In parenthesis on the lines of equal magnetic variationD.Annual rate of change is not shown
Many of the soundings shown on the chart are derived from ______.Undue reliance should not be placed upon them．A.complete and often very poor surveysB.correct and often very good surveysC.inadequate and often very old surveysD.adequate and present surveys
Owing to old data of the survey the positions and number of the beacons shown on this chart are not to be ______.A.consideredB.insuredC.relied uponD.suspected
No navigational aids are shown and the chart is not kept corrected for alterations in depths inside the pecked lines． For more detailed information，the larger scale charts must be ______.A.referred toB.appreciatedC.met withD.concerned
The operation of which aids to navigation may be suspended during war or national emergency ________．A.Navigational satellitesB.LoranC.OmegaD.Any of the above
Coast Pilots and navigational charts are kept corrected and up-to-date by using the ______.A.pilot chartsB.Notices to MarinersC.Tide TablesD.Current Tables
单选题No navigational aids are shown and chart is not kept（）for alterations in depths inside the pecked lines joining Hurst pt. to Warden pt.AaccurateBcorrectCcorrectedDaccuracy
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单选题On this chart only the principle （） to navigation are shown．Aequipment'sBtoolsCapparatusDaids
单选题Coast Pilots and navigational charts are kept corrected and up-to-date by using the（）.Apilot chartsBNotices to MarinersCTide TablesDCurrent Tables
单选题Full details of all lights and fog signals are shown on（）.Alarge scale chartBsmall scale chartCocean chartDrouting chart
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单选题The buoy symbol printed on your chart is leaning to the northeast. This indicates （）.Ayou should stay to the north or east of the buoyByou should stay to the west or south of the buoyCthe buoy is a major lighted buoyDnothing special for navigational purposes
单选题On chart，bearings to near objects should be used in preference to objects farther off，because（）.Aa small error in bearing or in laying it down on the chart has a greater effect in misplacing the position the longer the line to be drawnBall scales are kept updated for vital information by Notices to MarinersCthe larger the scale of the chart，the greater the detail that can be shown on itDthe mariner using the medium scale charts for passage along a coast need not transfer on to a large scale for short distances
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