单项选择题
Hurricanes may move in any direction．However，it is rare and generally of short duration when a hurricane in the Northern Hemisphere moves toward the（）.
A.West or northwest B.Northeast C.Southeast D.North
单项选择题 Haze is not caused by（）.
单项选择题 Good weather is usually associated with a region of（）.
单项选择题 Fog forms when the air（）.
