单项选择题
A.DEFE B.DE C.DS D.DES
Denebola is found in what constellation?()A.HydrusB.Leo...
单项选择题Denebola is found in what constellation?()
A.Hydrus B.Leo C.Centaurus D.Aquila
Deneb is found in what constellation?()A.CygnusB.Pegasu...
单项选择题Deneb is found in what constellation?()
A.Cygnus B.Pegasus C.Ursa Major D.Andromeda
Define the acronym MSI().A.Maritime Safety InformationB...
单项选择题Define the acronym MSI().
A.Maritime Safety Information B.Maritime Shipping Index C.Maritime Satellite Indicator D.Mariner Safety Intelligence