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题库 / Prep2012-CR-18
Airport official: Local residents have been complaining that night flights into Plainsville airport disturb their sleep and should be sharply reduced in number. This complaint is completely unreasonable—there have been night flights coming into the airport from the very beginning, twenty years ago, and these residents should have taken that fact into account when buying their homes.
Which of the following is an assumption on which the airport argument depends?
There are fewer night flights now than there were originally.
The residents who are complaining have been in their current homes fewer than twenty years.
The residents who are complaining are ignoring the benefits they gain from the presence of the airport.
The economic success of the airport depends entirely on the existence of the night flights.
People buying houses in Plainville all avoid buying houses near the airport if they can.
错选A...b没仔细读。The point could make sense even if the frequency of night flights hasn't changed. 重点是问题问的是官方结论的assumption，而不是想要加强或者削弱什么观点
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