单项选择题
A.zone time B.zulu time C.Greenich Mean Time D.zone standard time
In admiralty sailing directions, bands is the word used...
单项选择题In admiralty sailing directions, bands is the word used to indicate（）marking.
A.horizontal B.vertical C.diagonal D.vertical or diagonal
In admiralty sailing directions, stripes is the word us...
单项选择题In admiralty sailing directions, stripes is the word used to indicate（）marking.
In anchoring orders, up and down means（）.A.the chain is...
单项选择题In anchoring orders, up and down means（）.
A.the chain is not upright B.the chain is tight C.the chain is upright D.the chain is slack
