A:you bought it
B:that you bought
C:that you bought it
D:which you bought it
函数f(x)=lg(2x﹣3x)的定义域为____
如图,____ 与∠C是直线BC与____ 被直线AC所截的同位角,____ 与____ 是直线AB与AC被直线DE所截的内错角,____ 与∠A是直线AB与BC被直线____ 所截的同旁内角.