information or regulatory buoy that has lateral significance
buoy that is off-station and is marked to warn mariners of its wrong position
dual purpose marking used where the ICW and other waterways coincide
buoy that was set in error and will be replaced with a red nun buoy
第1题：
The apartment is so expensive that Mr Green can’t a __________ it.
第2题：
A green buoy has a yellow triangle on it. This is a(n) ______.
A.information or regulatory buoy that has lateral significance
B.buoy that is off-station and is marked to warn mariners of its wrong position
C.dual purpose marking used where the ICW and other waterways coincide
D.buoy that was set in error and will be replaced with a red nun buoy
第3题：
Aolor:=‘green‘;
Bwriteln(green);
Cwriteln(color);
Da:=color=red;
第4题：
A buoy marking a wreck will show a(an) ______.
A.white light FL (2) and a topmark of 2 black spheres
B.occulting green light and may be lettered
C.yellow light and will be numbered
D.continuous quick white light and may be numbered
第5题：
You are entering an east coast port and see a buoy with a yellow triangle painted on it．This indicates ______．
A.you are in the vicinity of the ICW
B.the buoy is a special mark
C.the buoy is off station
D.the buoy designates a sharp turn in the channel
第6题：
Entering from sea，a daymark on the port side of the channel would be indicated on a chart by a ______.
A.red triangle with the letter R
B.white triangle with the letters RG
C.green square with the letter G
D.white square with the letters GR
第7题：
A special daymark is a ______.
A.red-and-white octagon
B.daymark with a yellow stripe on it
C.green square
D.yellow diamond
第8题：
A.Black，Green，Red，Yellow
B.Black，Red，Green，Yellow
C.Red，Black，Green，Yellow
D.Yellow，Red，Green，Black
第9题：
You are sailing south on the Intracoastal Waterway（ICW）when you sight a green can buoy with a yellow square painted on it．Which of the following is TRUE ________．
A.You should pass the buoy close aboard on either side
B.The buoy marks the end of the ICW in that area
C.You should leave the buoy to port
D.The yellow square is retroreflective material used to assist in sighting the buoy at night
第10题：
A green pillar lightbuoy，Fl(2) 5s，is to be substituted for the red conical lightbuoy Close S.W．of the stranded wreck．The above sentence mainly refers to______．
A.a red buoy is to be replaced by a green buoy
B.a green buoy is to be replaced by a red buoy
C.either a red buoy or a green buoy is to be replaced
D.neither a red buy nor a green buoy is to be replaced