单项选择题
When a hurricane passes into high latitudes over colder water and the source of heat is disrupted，the storm assumes the characteristics of（）.
A.a high pressure area B.an extratropical cyclone C.a tropical storm D.an easterly wave
单项选择题 What kind of pressure systems travel in easterly waves（）.
单项选择题 What kind of conditions would you observe as the eye of a storm passes over your ship’s position（）.
单项选择题 What is the first visible indication of the presence of a tropical cyclone or hurricane（）.
