单项选择题
When observing a rapid rise in barometric pressure，you may expect（）.
A.Clear weather with no wind，but the possibility of rain or snow within 24 hours B.Deteriorating weather with rain or snow C.Heavy rain or severe thundershowers D.Clearing weather，possibly accompanied by high winds
单项选择题 When force of winds reaches 10-11 in Beaufort scale，we usually call such wind（）.
单项选择题 When a high pressure system is centered north of your vessel in the Northern Hemisphere（）.
单项选择题 What will a veering wind do（）.
