Most Americans don't like to get advice from members of their family.
A:suggestions
B:jobs
C:money
许多既有趣味性又富含哲理的歇后语都与动物有关.如“地里的蚯蚓﹣﹣能屈能伸”、“长颈鹿的脖子丹顶鹤的腿﹣各有所长”、“春蚕结茧﹣﹣一丝不苟”、“蚂蚁搬家﹣﹣大家动口”、“瓮中捉鳖﹣﹣十拿九稳”等.老师将这些动物分成了两大类.其归类的依据最可能是( )
如图,已知直线l∥m∥n,直线a分别与l,m,n交于点A,B,C,过点B作直线b交直线l,n于点D,E,若AB=2,BC=1,BD=3,则BE的长为( )