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單項選擇題

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

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單項選擇題

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

單項選擇題

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

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