读《纬线和纬度》图,江苏省洪泽县城区的纬度位置为33.3°N,属于( )
A:低纬度地区
B:中纬度地区
C:高纬度地区
Yesterday, I came across my former classmate, but his name ________ me, which made me embarrassed.
已知△ABC中,AB=AC,∠A=50°,⊙O是△ABC的外接圆,D是优弧BC上任一点(不与A、B、C重合),则∠ADB的度数是( )