2. 外语
  3. Passengers are offered money to ______ their seats when planes are overbooked.

Passengers are offered money to ______ their seats when planes are overbooked.

admin2011-05-29  49
问题 Passengers are offered money to ______ their seats when planes are overbooked.
选项 A、vault
B、vacate
C、wield
D、vouchsafe
答案B
解析 这句话的大意是“飞机机票被超额订出后，愿意放弃座位的乘客可以得到经济补偿”。vacate“腾出，空出”，符合句意。vault建筑物的拱顶；wield支配；掌握；vouchsafe赐与，允许，都不正确。
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