单项选择题
The distance that a vessel travels from the time that the order to put engines full astern until the vessel is dead in the water is known as（）.
A.advance B.head reach C.surge D.transfer
单项选择题 The condition where a ship on the end of a tow line is riding a wave crest at the same time as its tug rides a wave crest is known as riding in（）.
单项选择题 The catenary（）.
单项选择题 The biggest problem you generally encounter while towing a single tow astern is（）.
