单项选择题
A tropical storm is building strength some distance from your ship. Waves are coming from the east，with periods increasing from 5 seconds to 15 seconds. The swell is from the east. Where was the storm when these new swells were generated? （）
A.To the north of you
B.To the south of you
C.To the east of you
D.To the west of you
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相关考题
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单项选择题
A tropical cyclone has recurved and entered temperate latitudes. In the Northern Hemisphere when a large high pressure system lies north of the storm，what situation may occur?（）
A.The low may suddenly deepen，and the cyclone intensify and pick up speed
B.The left semicircle may become the dangerous semicircle
C.The low and the high may merge and cancel out the weather characteristics of each
D.The high may force the cyclone to reverse its track -
单项选择题
A sylphon cell is a part of a（）.
A.maximum thermometer
B.barograph
C.thermograph
D.hygrometer -
单项选择题
A sea breeze is a wind（）.
A.that blows towards the sea at night
B.that blows towards an island during the day
C.caused by cold air descending a coastal incline
D.caused by the distant approach of a hurricane
