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【单选题】

正常票价的航空客票有效期为()。

A.
3个月
B.
6个月
C.
1年
D.
2年
题目标签:客票票价航空
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参考答案:
参考解析:
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【单选题】The biggest safety threat facing airlines today may not be a terrorist with a gun, but the man with the portable computer in business class. In the last 15 years, pilots have reported well over 100 in...

A.
is in favor of prohibiting passengers’ use of electronic devices completely
B.
has overestimated the danger of electromagnetic interference
C.
hasn’t formed his own opinion on this problem
D.
regards it as unreasonable to exercise a total ban during flight

【多选题】电子客票的优势有()。

A.
机票报销程序简化
B.
省去了等待送票或者上门取票的时间
C.
电子客票不会出现丢失或者损坏、忘带票等情况
D.
电子客票的营销成本仅为传统客票成本的10%左右