单项选择题
Inerting means（）.
A.the introduction of inert gas into a tank with the object of reducing the oxygen content to below 8% by volume
B.the introduction of inert gas into a gas free tank for the purpose of reducing the oxygen content to below 8% by volume
C.the introduction of inert gas into a cargo tank during cargo discharge to replace the volume of discharged cargo
D.All of the above
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It is essential for（）to give a complete description of damage and shortage in the discharging report.
A.the office staff
B.the terminal staff
C.the ship's crew
D.the insurance company -
单项选择题
It is not advisable to use nylon for alongside towing because it（）.
A.stretches too much
B.is too difficult to make fast
C.parts too readily
D.is too susceptible to mildew -
单项选择题
It is not advisable to use nylon for alongside towing because it（）.
A.is too expensive for everyday towing usage
B.binds on the cleats
C.parts too readily
D.strethes too much
