• 2022-05-27
    过直线AB作平面(用三角形表示),使之平行于已知直线CD,请选择正确的答案。[img=1139x695]18039185bfbad75.jpg[/img]
    A: [img=1137x687]18039185cf61a86.jpg[/img]
    B: [img=1139x691]18039185dd54442.jpg[/img]
    C: [img=1139x691]18039185ec5fa28.jpg[/img]
    D: [img=1139x691]18039185fd4cfcf.jpg[/img]
  • 举一反三