A.the actual depth
B.added to or subtracted from the charted depth
C.multiplied by the charted depth
D.divided by the charted depth
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A.0 degrees
B.10 degrees
C.20 degrees
D.30 degrees
A.shown
B.expressed
C.appeared
D.displayed
A.a room
B.room
C.rooms
D.the room
A.ample
B.sufficient
C.enormous
D.incredible
A.course
B.track
C.direction
D.trend
最新試題
Fog forms when the air（）.
Which radiotelephone signal indicates receipt of a distress message?（）
PAN-PAN repeated three times over the radiotelephone indicates which type of message will follow?（）
The radiotelephone safety message urgently concerned with safety of a person would be prefixed by the word（）.
The term OIL as used in the Oil Pollution Regulations means（）.
To prevent a wooden hull from leaking you caulk it（）.
Tripping defects in anchors frequently occur in（）.
There is not（）depth of water around the area centered at the lighthouse.
The use of the danger signal（）.
In radiotelephone communications，the prefix PAN-PAN indicates that（）.