单项选择题A “check” line is().

A.a safety line attached to a man working over the side
B.used to measure water depth
C.used to slow the headway of a barge
D.used to measure the overhead height of a bridge


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1.单项选择题A “bowline” is used to().

A.join lines of equal size
B.form a temporary eye (loop) at the end of a line
C.be a stopper
D.keep a line from fraying

2.单项选择题“safe speed” is defined as that speed where().

A.you can stop within your visibility range
B.you can take proper and effective action to avoid collision
C.you are traveling slower than surrounding vessels
D.no wake comes from your vessel

3.单项选择题Deep-sea liners are().

A.ferries
B.passenger liners
C.cruise ships
D.ocean going vessels

4.单项选择题The document which shows a vessel’s nationality,ownership,and tonnage is the().

A.Manifest Certificate
B.Bill of Lading Certificate
C.Certificate of Nationality
D.Official Logbook

5.单项选择题The Tonnage Certificate gives the()of a ship which is classified into gross tonnage and net tonnage.

A.specifications
B.descriptions
C.dimensions
D.prescriptions

6.单项选择题When and where()your Registry Certificate issued?

A.is
B.are
C.was
D.were