A.falls/in
B.has been falling/on
C.has fallen/at
D.is falling/in
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A.foam or soda acid
B.dry chemical or foam
C.carbon dioxide or dry chemical
D.carbon dioxide or foam
A.pass
B.overtake
C.catch up
D.run down
A.course
B.track
C.direction
D.trend
A.the apparatus
B.equipment
C.riggings
D.fittings
A.is
B.has
C.are
D.have
最新試題
When steering by autopilot,how often should the steering be checked?（）
In the Northern hemisphere northerly winds may cause temperature（）.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
The loading of the ship must be done in accordance with（）.
The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.
Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）
Which of the following shall not the officers in charge of the navigational watch do?（）
Which of the following is not a form of precipitation?（）
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
Fog is likely to occur when there is little difference between the dew point and the（）.