单项选择题
A.小深 B.鹏鹏 C.航航 D.菲菲
A.MLR/PNR/9671/19AUG B.MLB/PNR/ZH9671/19AUG C.MLU/PNR/9671/19AUG D.MLG/PNR/9671/19AUG
A.AVH/CANHRB/19AUG/ZH B.FVCANHRB/19AUG/ZH C.SKCANHRB/19AUG/ZH D.AVE/CANHRB/19AUG/ZH
A.单一价格 B.三级价格歧视 C.完全价格歧视 D.间接价格歧视
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