单项选择题
A.Cumulus clouds lined up in rows extending in a northeast to southwest direction
B.High altostratus clouds in the morning hours
C.Cirrostratus clouds lined up in rows extending in a northeast to southwest direction
D.Cirrostratus clouds lined up in rows extending in a north to south direction
单项选择题 In the Northern Hemisphere，the largest waves or swells created by a typhoon or hurricane will be located（）.
单项选择题 In the Northern Hemisphere，gusty winds shifting clockwise，a rapid drop in temperature，thunderstorms or rain squalls in summer (frequent rain/snow squalls in winter) then a rise in pressure followed by clearing skies，indicate the passage of a(n)（） .
单项选择题 In the Northern Hemisphere，an area of counterclockwise wind circulation surrounded by higher pressure is a（）.