the meridian through the object of the bearing
the meridian through the ship's position
the meridian midway between the ship and the object
any meridian
第1题：
What is the major advantage of a rhumb line track?
A.The vessel can steam on a constant heading (disregarding wind，current，etc)
B.The rhumb line is the shortest distance between the arrival and departure points
C.It is easily plotted on a gnomonic chart for comparison with a great circle course
D.It approximates a great circle on east-west courses in high latitudes
第2题：
When using a Lambert conformal chart in high latitudes，angles such as bearings are measured in reference to ______.
A.the meridian through the object of the bearing
B.the meridian through the ship's position
C.the meridian midway between the ship and the object
D.any meridian
第3题：
To agree with larger scale chart，latitudes taken from this chart should be increased ______ about 8 seconds．
A.with
B.in
C.by
D.to
第4题：
A chart projection depicting the poles and a small area on either side of a connecting meridian, that is sometimes used for star charts, is the ______.
A.azimuthal gnomonic projection
B.Lambert conformal projection
C.transverse Mercator projection
D.polyconic projection
第5题：
For what purpose would using a Lambert conformal chart be more convenient than using a Mercator?
A.Plotting radio bearings over a long distance
B.Determining latitude and longitude of a fix
C.Measuring rhumb line distances
D.Measuring rhumb line directions
第6题：
When navigating in high latitudes and using a chart based on a Lambert conformal projection，______.
A.a straight line drawn on the chart approximates a great circle
B.the chart should not be used outside of the standard parallels
C.the course angle is measured at the mid-longitude of the track line
D.distance cannot be measured directly from the chart
第7题：
To ______ Admiralty Charts 438，latitudes taken from this chart should be increased by about 5 seconds．
A.convert to
B.come to
C.look at
D.agree with
第8题：
The only cylindrical chart projection widely used for navigation is the ______.
A.Lambert conformal
B.Mercator
C.azimuthal
D.gnomonic
第9题：
In very high latitudes，the most practical chart projection is the ______．
A.Mercator
B.Gnomonic
C.Azimuthal
D.Lambert conformal
第10题：
Which of the following high level menus are available when a user with the Seller role is using WebSphere Commerce Accelerator to manage a B2B store？（）