基本信息
广东省2012届高三英语二轮复习专题训练：完型填空（16） 阅读下面短文，掌握其大意，然后从1—15各题所给出的a、b、c和d项中，出最佳选项，并在答题卡上将该项涂黑。 have you ever heard the story of the four-minute mile? for years people believed that it is impossible for a human being to 1 a mile in less than four minutes until roger banister proved it 2 in 1954．within one year, 37 runners 3 the belief barrier．and the year after that, 300 other runners did the same thing． what happens if you put an animal in a 4 ? any animal, big or small, will swim its way through．what happens when someone, who does not know how to swi
