挑战习题
1/5单选题
难度:

1.下面各图中∠1和∠2是对顶角的是(  )
A
B
C
D
提示1:
IOagueaNruWvuemhtuinkueahOWumuS5ieWvueWQhOmAiemhueWIhuaekOWIpOaWreWQjuWIqeeUqOaOkumZpOazleaxguinow==
正确答案:Qg==
6Kej77yaQeOAgeKIoDHlkoziiKAy5LiN5piv5a+56aG26KeS77yM5pWF5pys6YCJ6aG56ZSZ6K+v77ybPGJyPkLjgIHiiKAx5ZKM4oigMuaYr+Wvuemhtuinku+8jOaVheacrOmAiemhueato+ehru+8mzxicj5D44CB4oigMeWSjOKIoDLkuI3mmK/lr7npobbop5LvvIzmlYXmnKzpgInpobnplJnor6/vvJs8YnI+ROOAgeKIoDHlkoziiKAy5LiN5piv5a+56aG26KeS77yM5piv6YK76KGl6KeS77yM5pWF5pys6YCJ6aG56ZSZ6K+vLiA8YnI+5pWF6YCJQi4g