A.sail at
B.except
C.proceed at
D.steam over
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A.mixed/to
B.mixing/to
C.being mixed/for
D.being mixed/of
A.put
B.make
C.take
D.pay
A.give
B.make
C.take
D.use
A.is
B.are
C.was
D.were
A.one short blast
B.one prolonged blast
C.two short blasts
最新試題
The helm command PORT TWENTY means（）.
A tide is called diurnal when（）.
When the wave period and the apparent rolling period are the same（）.
Full details of all lights and fog signals are shown on（）.
Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
Which of the following shall not the officers in charge of the navigational watch do?（）
Berthing means bringing a vessel to her berth until（）.
The mean draft of a ship is the draft（）.
Fog is likely to occur when there is little difference between the dew point and the（）.