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單項(xiàng)選擇題

The chart of a beach area shows a very flat slope to the underwater beach bottom. What type of breakers can be expected when trying to land a boat on this beach? （）

A.Surging
B.Spilling
C.Plunging
D.Converging

單項(xiàng)選擇題

The buoy symbol printed on your chart is leaning to the northeast. This indicates （）.

A.you should stay to the north or east of the buoy
B.you should stay to the west or south of the buoy
C.the buoy is a major lighted buoy
D.nothing special for navigational purposes