【单选题】设一个顺序有序表A[1:14]中有14个元素,则采用二分法查找元素A[4]的过程中比较元素的顺序为( )。
【简答题】简述设有双向闭塞设备的自动闭塞区间,遇轨道电路发生故障等情况,如何改变闭塞方向。
【简答题】A.confirms B.suspects C.sympathizes D.supports
【简答题】A.follows B.predicts C.defies D.supports
【判断题】China supports WTO to continue to provide preferential treatments to developing countries, and view this as a key point of the multilateral trade system.