以A（1，3），B（﹣5，1）为端点的线段的垂直平分线方程是（ ）
A：3x﹣y﹣8=0
B：3x+y+4=0
C：3x﹣y+6=0
D：3x+y+2=0
想要在一充满空气的瓶子中，将其中的氧气除去，又不增加其他气体的成分．下列物质在瓶中燃烧可达到目的是（ ）
One day Eddie and Hobo looked at the ____. Eddie thought he saw a____but Hobo thought it was a ____. Because Hobo saw one ____. Eddie thought there were many bright ____and it was too____, so it couldn't be a plane.
