旅客因病，在通票有效期内，出具医疗证明或经车站证实时，卧铺票可按医疗日数延长有效期，同行人可同样办理。（部竞赛题）
参考答案：错
Maggie has been fortunate to find a job she loves, and________, she gets well paid for it.[ ]
A. sooner or later
B. what's more
C. as a result
D. more or less
‘枯藤、老树、昏鸦…’是马致远的作品‘天净沙’，请问此作品属于哪一个朝代？
