A.directly on flames
B.at room temperature
C.in an extremely cold climate
D.None of the above
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A.to right the raft if it capsizes
B.to carry the raft around on deck
C.for crewmen to hang on to
D.to hang the raft for drying
A.more
B.not so much
C.rather
D.not shch
A.anchoring
B.mooring
C.sewing
D.splicing
A.at
B.to
C.of
D.with
A.Point the horn down
B.Turn cylinder upside-down
C.Break the rupture disc
D.Pull pin, squeeze grip
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What is it called when it is possible to ignite the vapour above the oil?（）
Before any loading takes place any signs of the previous cargo should do（）.
A tide is called diurnal when（）.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.
When the wave period and the apparent rolling period are the same（）.
Full details of all lights and fog signals are shown on（）.
In the Northern hemisphere northerly winds may cause temperature（）.
Where would you find information about the time of high tide at a specific location on a particular day of the year?（）
The company should establish and maintain procedures to control all documents and date which are relevant to（）.