单项选择题
During severe storms when survival becomes a major concern，it may become necessary to relieve high anchor tensions on the windward side of the unit by（）.
A.deballasting the rig B.ballasting the rig C.paying out cable on the windward side D.paying out cable on the leeward side
单项选择题 A person suffering from possible broken bones and internal injuries should（）.
单项选择题 Do you require any further assistance?My ship is safe now and no assistance is necessary.This VHF communication generally takes place during（）.
