短文改错（共10小题；每小题1分，满分10分）

I first met Li Ming at a friend birthday party five years ago. Then I invited Li Ming over in my place. We listen to my CDs together and soon become best friends. Three years ago, Li Ming’s parents invited me to spend two wonderful week in Qingdao with them during the summer holiday. Li Ming and I loved walking along the beautifully beaches there. Last year I was ill but had to stay in hospital for a week. Li Ming came see me every day. Then his father has changed jobs and they moved to another city . Since then we haven’t see each other much. But we’ve kept writing to each other.

200km／h≥线路允许速度Vmax≥250km／h正线上，根据《高速铁路无砟轨道线路修理规则》规定，线路轨道静态几何尺寸容许偏差管理值中，轨距的临时补修标准为（）mm。