A:9:3:3:1
B:1:1:1:1
C:3:1
D:3:1:3:1
We ________ like sports, although Liu Ming is more athletic than me.
北方地区与南方地区界线的确定,主导因素是( )
俗话说“一方水土养一方人”。下列自然景观和人文活动与我国北方地区相符的是( )