A.backup
B.blocking
C.choking
D.obstructing
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A.on
B.in
C.out
D.with
A.this
B.who
C.which
D.it
A.if
B.very
C.too
D.very much
A.ample
B.sufficient
C.enormous
D.incredible
A.straits
B.channels
C.canals
D.roadsteads
最新試題
The dew point temperature is（）.
Which of the following is not a form of precipitation?（）
Berthing means bringing a vessel to her berth until（）.
Manoeuvring information can not be obtained from（）.
Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）
Which of the following is not an operation mode of AIS?（）
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
A tide is called diurnal when（）.
The ISM code is part of（）.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.