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
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相关考题
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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 -
单项选择题
As the temperature of an air mass decreases，the（）.
A.absolute humidity decreases
B.relative humidity increases
C.specific humidity decreases
D.dew point rises
