A.watch
B.to watch
C.watching
D.watched
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A.to cross
B.cross
C.crossing
D.to crossing
A.at
B.for
C.in
D.on
A.with
B.to
C.for
D.of
A.at obscured objects
B.forward submerged targets
C.up exposed targets
D.for unseen objects
A.to be sailing
B.sailing
C.sail
D.to sail
最新試題
Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）
The company should establish and maintain procedures to control all documents and date which are relevant to（）.
ECDIS must be able to perform all of the following EXCEPT（）.
What is a CORRECT reply to a pilot’s request, How’s your heading?（）
A tide is called diurnal when（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
The helm command PORT TWENTY means（）.
The mean draft of a ship is the draft（）.
When the wave period and the apparent rolling period are the same（）.
（）is on the panel of radar.