A.DEFE
B.DE
C.DS
D.DES
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A.Hydrus
B.Leo
C.Centaurus
D.Aquila
A.Cygnus
B.Pegasus
C.Ursa Major
D.Andromeda
A.Maritime Safety Information
B.Maritime Shipping Index
C.Maritime Satellite Indicator
D.Mariner Safety Intelligence
A.litmus paper
B.combustible gas indicator
C.oxygen breathing apparatus
D.oxygen indicator
A.longitudinally
B.vertically
C.transversely
D.intermittently
最新試題
Control of fire should be addressed().
Denebola is found in what constellation?()
Compared to a low pressure system,generally the air in a high is().
Cumulus clouds that have undergone vertical development and have become cumulonimbus in form,indicate().
Diesel powered industrial trucks on a ship that are provided with safeguards to the exhaust,fuel,and electrical systems are designated().
Day-shapes must be displayed().
Clouds with the prefix “nimbo” in their name().
Considering the general circulation of the atmosphere,the wind system between latitudes 30°N and 60°N is commonly called the().
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().
Clouds form().