it is faster
it can be used in both the immediate action and the delayed action situations
in fog，if the turn is started as soon as the man goes over，the vessel will be at the point where he went over when the turn is completed
it returns the vessel to the original track line on a reciprocal course
第1题：
The distance between any two meridians measured along a parallel of latitude and expressed in miles is the ______.
A.difference in longitude
B.mid-longitude
C.departure
D.meridian angle
第2题：
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 charts
第3题：
(A) way
(B) road
(C) track
(D) line
正确答案：C
解答参考：C.be/stay on track：未偏离目标，能取得成功;get/be back on track：重新回到目标，重新回到正轨。【译文】要让英国经济重新回到正轨，恐还需些时日。
第4题：
You are running parallel to the coast and take a running fix using bearings of the same object．If you are making less speed than used for the running fix，in relation to the position indicated by the fix，you will be ______．
A.Closer to the coast
B.Farther from the coast
C.On the track line ahead of the fix
D.On the track line behind the fix
第5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6题：
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 midlatitude of the chart
D.latitude or longitude scale at the middle of the scale
第7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8题：
(进入这座建筑的惟一通道) is along a muddy track.
第9题：
Tensile stress is a result of two forces acting in ______.
A.opposite directions on the same line，tending to pull the material apart
B.opposite directions on the same line，tending to compress the object
C.opposite directions along parallel lines
D.the same direction along parallel lines
第10题：