單項選擇題At 1810，a red buoy bears 010° relative. This buoy marks（）.

A.the side of York Spit Channel
B.the visibility limit of the red sector of Cape Henry Light
C.a submerged obstruction in York Spit Channel
D.the York River Entrance Channel


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1.單項選擇題At 0845，you are approaching the entrances to Thimble Shoal Channel. What channel must you use?（）

A.The South Auxiliary Channel since your draft is less than 25 feet (7.6 meters)，and you are not a passenger vessel
B.The South Auxiliary Channel or Thimble Shoal Channel，but you must remain on the right hand side of the main channel
C.The North Auxiliary Channel since you are going to turn to a northerly heading near buoy "12"
D.You are not permitted to use any of the channels，but must remain outside the buoyed channel line

2.單項選擇題At 0815，visibility is excellent and you can see Montauk Point. Montauk Point Light is（）.

A.shown from a brown tower
B.equipped with a fog diaphone
C.lighted 24 hours
D.is 79 feet (24 meters) high

3.單項選擇題At 0815，visibility is excellent and you can see Montauk Point. Montauk Point is（）.

A.low and rocky with scattered small pine trees
B.a low lying wetland
C.a high sandy bluff
D.a flat wooded plain

4.單項選擇題At 0715 you take the following bearings: Race Rock Light 328°pgc; Little Gull Island Light 249°pgc; Mt. Prospect Antenna 036°pgc. Based on your 0715 fix，which statement is TRUE?（）

A.You are to the left of your track line
B.Your fathometer reads about 265 fathoms
C.You are in a cable area
D.You are governed by the Inland Rules

5.單項選擇題At 0630 you increase speed to 12.0 knots. At 0645 Race Rock Light bears 294°pgc. At 0700 Race Rock Light bears 293°pgc. Based on this，you should（）.

A.alter course to port
B.maintain course and speed
C.alter course to starboard
D.maintain course and reduce speed