A.must
B.ought to
C.have to
D.never
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A.in
B.on
C.of
D.at
A.float
B.floating
C.floats
D.floated
A.in
B.at
C.on
D.for
A.in order to
B.so as
C.so that
D.such that
A.to use
B.to operate
C.maneuvering
D.using
最新試題
Bales close to the deckhead should be covered to prevent（）.
The company should establish and maintain procedures to control all documents and date which are relevant to（）.
The loading of the ship must be done in accordance with（）.
A tide is called diurnal when（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
（）is on the panel of radar.
The mean draft of a ship is the draft（）.
According to the relevant regulation, lifeboat should be powered by（）.
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?（）