A.between sunset and sunrise
B.only between 8 AM and 4 PM
C.during daylight hours in any visibility
D.during daylight hours in unrestricted visibility only
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A.one zone to the east
B.one zone to the west
C.two zones to the east
D.two zones to the west
A.left in the sunlight
B.stowed wet
C.washed with soap
D.folded frequently
A.westerly
B.parallel to the isobars in the warm sector
C.toward the nearest high pressure area
D.faster than the accompanying cold front
A.clearing weather
B.that a warm front has passed
C.probable thunderstorm activity
D.an approaching hurricane or typhoon
A.vertical air movements
B.heavy rainstorms
C.horizontal air movements
D.any movement of moist air
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Clean air standards referred to as “Grade D” apply to compressed air for use in（）.
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Corrosive liquids and acids should have which kind of label?（）
Deneb is found in what constellation?（）
Concerning the identification signal for a pilot vessel，in fog，which statement is TRUE?（）
Chronometer error may be found by（）.
Chart legends which indicate a conspicuous landmark are printed in（）.
Deficient oxygen content inside a chain locker can be detected with（）.
Conventional anchors are least likely to hold in a bottom consisting of（）.
Daylight savings time is a form of zone time that adopts the time（）.