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单选题
Air France carries out its Frequency Plus _____.
A
through its reduced ticket prices
B
through its extensive network of partners
C
by providing convenient flight schedules
D
by offering excellent services on board
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参考解析
解析：
细节题。根据文章的首句话可以找到关键信息“Air France offers you Frequency Plus through an extensive network of our partners”，法航通过广泛的合作商网络实施的常旅客里程奖励计划，选项B是原文的直接引述，是正确答案。A项断章取义，文中提到了奖励计划，但是这不是为了降低票价，与题目要求无关。C、D项均属于无中生有，文中都没有涉及这两个选项。
细节题。根据文章的首句话可以找到关键信息“Air France offers you Frequency Plus through an extensive network of our partners”，法航通过广泛的合作商网络实施的常旅客里程奖励计划，选项B是原文的直接引述，是正确答案。A项断章取义，文中提到了奖励计划，但是这不是为了降低票价，与题目要求无关。C、D项均属于无中生有，文中都没有涉及这两个选项。
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