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
点击查看答案&解析
相关考题
-
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 -
单项选择题
As the temperature of the air reaches the dew point，（）.
A.rain must develop
B.fog may form
C.it begins to snow
D.water freezes
