单项选择题
An immersion suit should be equipped with a/an（）.
A.air bottle for breathing B.whistle and hand held flare C.whistle，strobe light and reflective tape D.whistle，hand held flare and sea dye marker
单项选择题 An immersion suit must be equipped with a(n)（）.
单项选择题 All of the following can be found on a Pilot Chart EXCEPT information concerning the（）.
单项选择题 Air temperature varies with（）.
