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
您可能感興趣的試卷
你可能感興趣的試題
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
最新試題
Concerning a celestial observation，the azimuth angle is measured from the principal vertical circle to the（）.
Deficient oxygen content inside a chain locker can be detected with（）.
Conventional anchors are least likely to hold in a bottom consisting of（）.
Coiling new rope against the lay，bringing the lower end up through the center of the coil，then coiling with the lay，in order to remove the kinks，is known as（）.
Define the acronym MSI（）.
Dacron sails，when not in use，may be damaged if（）.
Channel 13 is primarily used for ship to ship communication. Channel 13 is also authorized for（）.
Cumulus clouds that have undergone vertical development and have become cumulonimbus in form，indicate（）.
Day-shapes must be displayed（）.
Daylight savings time is a form of zone time that adopts the time（）.