A towing light is（）.
The irregular black line around a charted light such as Race Rock Light indicates that it is （）.
A towing light is a yellow light having the same characteristics as a(n)（）
A light characteristic of composite group flashing indicates that there is a(n)（）.
A flashing light is a light that（）.
A vessel showing a yellow light over a white light at night is a vessel（）.
A vessel showing a green light over a white light in a vertical line above the level of the sidelights is（）.
When making landfall at night，you can determine if a light is a major light or an offshore buoy by（）.
A light is（）from Changshanzui,the SE extremity of the island.
From your position you observe a rotating white and green light to the north. This light is most likely（）.
The light rhythm of Morse (A) is shown on（）.
You see a vessel displaying three lights in a vertical line.The highest and lowest lights are red and the middle light is white.She is also showing a white light at the stern，which is lower than the forward light.It could be a（）.
A list signal of one white light indicates that the vessel is （）.
The time required for a lighted aid to complete a full cycle of light changes is listed in the Light List as the（）.
A light having characteristics which include color variations is defined as（）.
A flashing green light displayed at a single lock means that the lock is（）.
A vessel emitting harmful substances into the air or spilling oil into the sea is a（）.
How is the intensity of a light expressed in the Light Lists?（）.
Exposure of the body ＿ the strong light may be harmful.
“lest too light winning make the prize light” is a quote from ______.
A dark suit is to a light one for evening wear.
190. How is the intensity of a light expressed in the Light List?
121.A vessel emitting harmful substances into the air or spilling oil into the sea is a( )。
He has the occasional cigarette, but ______ he smokes a pipe that is more harmful to his health.
