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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It is dangerous for vessels without the operational radar（）the estuary.
The dew point temperature is（）.
The company should establish and maintain procedures to control all documents and date which are relevant to（）.
When the wave period and the apparent rolling period are the same（）.
Which of the following is not a form of precipitation?（）
ECDIS must be able to perform all of the following EXCEPT（）.
The loading of the ship must be done in accordance with（）.
Which of the following shall not the officers in charge of the navigational watch do?（）
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
（）is where the crew eat their meals.