试算平衡时，如果试算平衡了，说明账户记录是绝对正确的。 ( )
参考答案：错
His mother likes to have him next to her ________ she can keep an eye on him.
A．where
B．in which
C．there
D．when
区间及站内两相邻线路中心线间的最小距离规定：直线部分铁路线间距300km/h＜v≤350km/h线间最小距离（mm）为：（）
A、5000mm
B、4800mm
C、4600mm
