单项选择题
A list signal of one white light indicates that the vessel is （）.
A.on an even keel B.listing about 1° to the side the light is displayed on C.listing over 5° With the light displayed on the high side D.listing，and the chutes should be directed to the side where the light is displayed
单项选择题 A list man would expect to see any of the following light signals except （）.
单项选择题 A line of position from a celestial observation is a segment of a （）.
单项选择题 A line of position derived from a loran reading is a section of a(n) （）.
