A:1条
B:2条
C:3条
D:4条
Which of the following underlined parts is different in pronunciation from others?
下列各项中,与环境人口容量呈负相关的因素是( )
线段AB两个端点的坐标分别为A(6,6),B(8,2),以原点O为位似中心,将线段AB缩小为原来的12后得到对应的线段CD,则端点C的坐标为( )