题目内容
（请给出正确答案）
In the navigational triangle，the angle at the elevated pole is the ______．
A.meridian angle
B.altitude
C.right ascension
D.azimuth angle
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更多“In the navigational triangle，the angle at the elevated pole is the ______．A.meridian angle”相关的问题
The largest of the navigational planets is ().
A.Mars
B.Venus
C.Jupiter
D.Saturn
A vertex of the navigational triangle is NOT located at the ______.
A.elevated pole
B.celestial body
C.zenith
D.coaltitude
Navigators use navigational aids, such as__（罗经）.
A.sextant
B.binoculars
C.compass
D.loran
Navigational warnings and weather bulletins for shipping ______ from Singapore Radio.
A.broadcast
B.broadcasted
C.are broadcast
D.are broadcasted
The sixth paragraph mainly state that the researchers
A．are designing a visual navigational information system.
B．are designing an audio navigational information system.
C．are designing an audio-visual navigational information system.
D．want to determine the best ways of giving navigational information system.
The sixth paragraph mainly states that the researcher ______.
A．is designing a visual navigational information system
B．is designing an audio navigational information system
C．is designing an audio-visual navigational information system
D．wants to determine the best ways of giving navigational information system
A large navigational buoy (LNB) is painted ______.
A.red
B.yellow
C.with red and white vertical stripes
D.with a distinct color and pattern unique to each buoy
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