专四阅读理解练习 (一)the discovery of the antarctic not only proved one of the most interesting of all geographical adventures, but created what might be called “the heroic age of antarctic exploration”. by their tremendous heroism, men such as shakleton, scott, and amundsen caused a new continent to emerge from the shadows, and yet that heroic age, little more than a century old, is already passing. modern science and inventions are revolutionizing the endurance, future journeys into these icy was