單項選擇題

A marker pole，with a horseshoe buoy and a sea anchor attached，should be used to （）.

A.mark the position of a lost mooring
B.determine your vessel's sideslip underway
C.determine your speed through the water
D.indicate location of a man overboard

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單項選擇題

（）objects are those which stand out clearly from the background or other objects and are easily identifiable from a few miles offshore in normal visibility．

A.Conspicuous
B.Permanent
C.Preliminary
D.Temporary

單項選擇題

（）day，pilot flag should be displayed from main mast．

A.From
B.By
C.on
D.With

A marker pole，with a horseshoe buoy and a sea anchor attached，should be used to （）.

你可能感興趣的試題

（）objects are those which stand out clearly from the background or other objects and are easily identifiable from a few miles offshore in normal visibility．

（）day，pilot flag should be displayed from main mast．

A marker pole，with a horseshoe buoy and a sea anchor attached，should be used to （）.