单项选择题
The Convention is the first to establish basic requirements on training certification and watch-keeping for seafarers on an international level（）.
A.STCW78
B.STCW95
C.SOLAS74
D.SOLAS88
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It is during （） that work energy is being put into the engine; during the other 3 strokes of the piston, the engine is having to do the work.
A.the suction stroke
B.the compression stroke
C.the expansion stroke
D.the exhaust stroke -
单项选择题
Which of the following operations aboard a tanker must be recorded in the Oil Record Book （）
A.Any internal transfer of oil cargo during a voyage
B.The discharge overboard in port or at sea of any bilge water accumulated in machinery spaces
C.The loading or unloading of any or all oil cargo
D.All of the above -
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The lowest temperature at which the vapor formed from a liquid ignites and continues to burn steadily in the presence of an ignition source is called the （）
A.flash point
B.fire point
C.upper explosive limit
D.lower explosive limit
