单项选择题
Fetch is the（）.
A.distance a wave travels between formation and decay B.stretch of water over which a wave-forming wind blows C.time in seconds required for two crests to pass a given point D.measurement of a wave's steepness
单项选择题 Especially in adverse weather，risk of collision with an offshore supply vessel increases when the vessel is moored to what side of the unit?（）.
单项选择题 Early indications of the approach of a hurricane may be all of the following EXCEPT（）.
单项选择题 Cirrus clouds are composed primarily of（）.
