一、考研英语词汇练习 【同源精句194】“Ryan should be commended for laying something out that people can discuss and debate,” concurred David Walker, the former U.S. comptroller general who runs the Comeback America Initiative.
二、考研英语一真题长难句练习 【典型难句】This trend, which we believe is still in its infancy, effectively began with retailers and travel providers such as airlines and hotels and will no doubt go further. (28 words)
本句来源于考研英语(一)2011年真题，SectionⅡUse of English Text 3第二段; 【考研1号】考研英语一真题超细解《考研真相》Page.481.
三、考研英语二真题长难句练习 【典型难句】It might also be hard for airlines to co ordinate the departure times and destinations of passenger aircraft in a way that would allow them to gain from formation flight.