A.can use radar information from one object to fix the position
B.should never use radar bearings
C.should only use radar bearings when the range exceeds the distance to the horizon
D.must use information from targets forward of the beam
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A.rot
B.shrink
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D.unlay
A.spring line
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C.stern line
D.breast line
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B.warp line
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A.heaving line
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A sweep oar is an oar that is（）.
Aboard a survival craft，ether can be used to（）.
When an azimuth of the Sun has been taken and the deviation of the standard magnetic compass computed，the watch officer should record the results（）.
For details of these and other lights the larger scale charts and Admiralty Lists should be （）.
The Coast Radio Stations are found in（）.
The light vessel is reported（）.
Lines drawn through points on the Earth having the same atmospheric pressure are known as （）.
The program of graphical predictions of height against time for a period of up to seven consecutive days is contained in（）.
The daily predictions of the times and heights of high and low water for a selection of Standard Ports are given in（）.
Mariners not entering the port are（）to keep at least one mile off.