2013年高考英语适应性训练之阅读理解18
阅读理解 阅读下列材料，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。
A
Searching for airfares (飞机票价) often seems like a game that passengers are bound to lose.
Prices change from day to day, even minute to minute. Looking through multiple websites for the best deal can be a big challenge. Even when you do book, there’s no guarantee that you are going to get the best price.
“You just don’t know when to pull the trigger. It’s not like buying anything else I can think of,” said George Hobica, founder of Airfarewatchdog.com.
Harriet Levy paid $179 for a recent round-trip flight on American Airlines between New York and Fort Lauderdale, Florida. Sitting just one row behind her, Shirley Harrison paid $215. A few rows back, Ellis and
