【判断题】列车晚点旅客要求退票时,旅客应在票面发站办理,旅客中途乘车的可在中途乘车站办理,退还全部票价。
【单选题】某工程的单代号网络计划如下图所示(时间单位:天),该计划的计算工期为()天。
【单选题】The favorite room is the tidy study with a fireplace, ____ we can watch TV and enjoy the nice scenery outside.
【单选题】From the first paragraph we can infer that in the US schools ______.
A.
students enjoy shooting
B.
students are eager to be soldier
D.
students can make guns
【单选题】单代号网络计划如下图所示 ( 时间单位:天 ) 工作 C 的最迟开始时间是 ( ) 。