【单选题】What flight has the most reasonable fare?
【单选题】如图所示,∠1和∠2是对顶角的是 [ ]
【单选题】如图所示,用两种方法表示同一角的是 [ ]
【简答题】如图所示,∠1和∠2是( )角,∠3和∠4( )角,∠2和∠3是( )角。(填同位角、内错角、同旁内角、补角)
【简答题】A.Flight 811. B.Flight 611. C.Flight 711. D.Flight 911.
【简答题】A.Flight 1070 and 90. B.Flight 1017 and 19. C.Flight 1070 and 19. D.Flight 1017 and