单项选择题
A.low and rocky with scattered small pine trees
B.a low lying wetland
C.a high sandy bluff
D.a flat wooded plain
单项选择题 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?（）
单项选择题 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（）.
单项选择题 At 0530，your position is LAT 41°12.6’N，LONG 72°08.5’W. What is the color of New London Light?（）