单项选择题
As you approach Old River Control Structure Light you see a flashing amber light. You should（）.
A.navigate as close to the left descending bank as safety permits
B.navigate as close to the right descending bank as safety permits
C.turn into the inflow channel as the bypass is now open
D.slow your engine speed to not more than 5 mph
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相关考题
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单项选择题
As you approach mile 659.4 AHP，you see on the right descending bank a flashing green light. This light marks（）.
A.a lock that is open
B.a sunken barge
C.a dolphin，water intake and discharge
D.the end of a wharf -
单项选择题
As you approach mile 427.6 AHP，you see on the right side a white buoy with orange bands and diamond. This buoy marks（）.
A.a cable crossing
B.a sunken barge
C.a submerged discharge pipe
D.the end of a wharf -
单项选择题
As you approach Giles Bend Cutoff Light (mile 367.7 LDB)，what type of daymark would you see on the light structure?（）
A.Green diamond
B.Green triangle
C.Red diamond
D.Red square
