A.As many as B.So many as C.As much as D.As more as
A.at all times B.in the bottom return mode C.in the volume reverberation mode D.only when there is no current
A.transmitter B.antenna system C.indicator D.modulator
A.Increased draft B.Pitch C.Roll D.Change in trim
A.Water temperature B.Climatology data C.Speed of advance D.Depth contours
