My favourite food is ____.
已知△ABC是等腰三角形，AB=AC．
He hurried to the station only _______ that the train had left.
据记载：“军机处本内阁之分局．国初承前明旧制，机务出纳悉关内阁…雍正年间，用兵西北，以内阁在太和门外，儤值直者多，虑漏泄事机，始设军需房于隆宗门内，选内阁中书之谨密者入直缮写。后名军机处。”材料说明了（ ）
