单项选择题
A plane that cuts the Earth’s surface and passes through the poles will always form（）.
A.the equator
B.a loxodromic curve
C.a small circle
D.a meridian
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相关考题
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单项选择题
A plane perpendicular to the polar axis will never form what line on the Earth’s surface? （）
A.Great circle
B.Equator
C.Small circle
D.Meridian -
单项选择题
A parallel of latitude other than the equator is a（）.
A.great circle
B.loxodromic curve
C.small circle
D.gnomonic curve -
单项选择题
A nun buoy will（）.
A.be green in color
B.have an even number
C.be left to port when entering from seaward
D.be cylindrical in shape
