A great circle track provides the maximum saving in distance on（）.

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• Most modern Loran-C receivers，when not tracking properly，have a（n）（）.

  A . Bell alarm to warn the user B . Lighted alarm signal to warn the user C . Alternate signal keying system D . View finder for each statio

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• Distance along a track line is measured on a Mercator chart by using the （）.

  A、latitude scale near the middle of the track line B、longitude scale near the middle of the track line C、latitude scale at the multitude of the chart D、latitude or longitude scale at the middle of the scale

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• In relation to the turning circle of a ship , the term transfer means the distance（）.

  A . gained in the direction of the original course B . gained at right angles to the original course C . the ship moves sidewise from the original course awayfrom the transfer means the distance D . around the circumference of the turning circle

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• 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 projectio

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• An orange flag showing a black circle and square is a（）.

  A . signal indicating a course change B . distress signal C . signal of asking to communicate with another vessel D . signal indicating danger

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• Recurvature of a hurricane’s track usually results in the forward speed（）.

  A . increasing B . decreasing C . remaining the same D . varying during the day

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• Which aid is NOT marked on a chart with a magenta circle? （）

  A . Aero light B . Radar station C . Radar transponder beacon D . Radiobeaco

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• A storm’s track is characterized by all of the following except（）.

  A . the direction the storm has come from B . the direction in which the storm is moving C . the speed at which the storm is moving D . the path taken by the storm

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• What is NOT an advantage of the rhumb line track over a great circle track? （）

  A . Easily plotted on a Mercator chart B . Negligible increase in distance on east-west courses near the equator C . Does not require constant course changes D . Plots as a straight line on Lambert conformal chart

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• 师长教师说：Draw a circle.学生画一个circle，这就属于课程标准里面谈到的用说话来做工作。

  A . 正确 B . 错误

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• A celestial body will cross the prime vertical circle when the latitude is numerically （）.

  A . Greater than the declination and both are of the same name B . Less than the declination and both are of the same name C . Greater than the declination and both are of contrary name D . Less than the declination and both are of contrary name

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• In which voyage, between two points, is the rhumb line distance not approximately the same as the great circle distance?（）.

  A . The two points are in low latitudes in the same hemisphere B . The two points are in high latitudes in the same hemisphere C . The two points are near the equator, but in different hemispheres D . One point is near the equator, one point is in a high latitude, and both are near the 180th meridia

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• The numeral in the center of a wind rose circle on a pilot chart indicates the （）.

  A . total number of observations B . average wind force on the Beaufort scale C . average wind force in knots D . percentage of calm

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• Except for N-S courses，and E-W courses on the equator，a great circle track between two points，when compared to a rhumb line track between the same two points，will（）.

  A . always be nearer to the equator B . always be nearer to the elevated pole C . be nearer to the pole in the Northern Hemisphere and nearer to the equator in the Southern Hemisphere D . be nearer to the pole or the equator depending on the latitudes of the arrival and departure positio

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• 44. All straight lines represent great circle tracks on a chart based on a（n）______.

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• 90. The angular difference between the true meridian (great circle connecting the geographic poles) and the magnetic meridian (direction of the lines of magnetic flux) is called _____.

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• We are all connected in the great circle of life. 意思是：在这个生命圈里面都是互相有关联的。（ ）

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• A pie chart is a circle divided into sections to show the relative proportions of a set of things. ( )

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• 160. Which aid is NOT marked on a chart with a magenta circle?

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• 155. Which conic projection chart features straight lines which closely approximate a great circle? _____

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• In which voyage，between two points，is the rhumb line distance NOT approximately the same as the great circle distance？_____.

  A.The two points are in low latitudes in the same hemisphere B.The two points are in high latitudes in the same hemisphere C.The two points are near the equator，but in different hemispheres D.One point is near the equator，one point is in a high latitude，and both are near the 180th meridian

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• In other words, there is a conventional story line in the newsroom culture that provi

  In other words, there is a conventional story line in the newsroom culture that provides a backbone and a ready-made narrative structure for otherwise confusing new.

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• Which one of the following is not a “track event”（）

  A．Hurdles B．Mat exercises C．Walking race D．Relay race

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• 8、正平面上圆的斜二测是什么形状？ What is the front projection of a circle？

  A．椭圆ellipse B．与视图相同的圆the same circle as the real size C．放大1.22倍的圆 1.22 time circle D．放大1.22倍的椭圆1.22 time ellipse

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