单项选择题
All of the following information concerning lighted aids to navigation may be read directly from the Light List EXCEPT the（）.
A.location B.height of light above water C.luminous range D.light characteristics
单项选择题 All of the following are part of the fire triangle EXCEPT（）.
单项选择题 All Loran-C transmitting stations are equipped with cesium frequency standards which permit （）.
单项选择题 Air circulation is caused or affected by（）.
