精选优质文档-倾情为你奉上Unit 1 Alone in the Arctic Cold 一个人在北极严寒Day had broken exceedingly cold and gray, when the man turned aside from the main Yukon 一天打碎了非常寒冷和灰色,当那个人偏离主要育空trail and climbed the slope, where a dim and little-traveled trail led eastward through the 试验和爬上斜坡,在那里的是一个朦胧而过去向东穿过了踪迹pine forest. The slope was steep, and he paused for breath at the top. There was no sun nor 松林之间。坡率陡峭,而且他停顿了一下喘不过气来保持最佳的状态。没有太阳和hint of sun, though there was not a cloud in the sky. It was a cl
