单项选择题
A.more slack in the mooring lines B.a strain on the mooring lines C.chafing gear on the mooring lines D.grease on the mooring lines
A steep barometric gradient indicates（）.A.calmsB.light ...
单项选择题A steep barometric gradient indicates（）.
A.calms B.light winds C.strong winds D.precipitation
A katabatic wind blows（）.A.up an incline due to surface...
单项选择题A katabatic wind blows（）.
A.up an incline due to surface heating B.in a circular pattern C.down an incline due to cooling of the air D.horizontally between a high and a low pressure area
A hurricane moving northeast out of the Gulf passes wes...
单项选择题A hurricane moving northeast out of the Gulf passes west of your position. You could expect all of the following EXCEPT（）.
A.higher than normal swells B.high winds C.winds veering from south，through west，to northwest D.light showers
