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本听力材料来自于老托partb，partc，是公认实施有效的听写材料，对于上手托福时间不长的同学非常适合。我曾经一次短时间备考听力提高了7分也归功老托。希望大家和我一样一定要坚持下来噢。相信坚持学习的同学听力上都会有很大的飞跃！
Nopain, no gain.我们的安排是这样的，第一遍用听力软件精听材料（建议做单句听写，听写的时候不要偷看我给的挖空题），然后按照我给的挖空题填关键词，回复后即可看到听力原文和文章精解，我将把难点和易错点oneby one 分析给大家。
回复填空答案格式如下：1____2____3____...et.al.
Let's ______ to the main exhibit hall and look at some of the actual vehicles that have played a ______role in speeding up mail delivery. Consider how long it used to take to send a letter across a relatively short distance. Back in the 1600's it took two weeks on horseback to get a letter from Boston to New York, a distance of about 260 miles. Crossing a river was also a challenge. Ferry service was so ______that a carrier would sometimes wait hours just to catch a ferry. For journeys inland, there was always the stagecoach, but the ride was by no means comfortable because it had to be shared with other passengers. The post office was pretty ______about some routes. In the nineteenth century, in the Southwestern desert, for instance, camels were brought in to help get the mail through. In Alaska, reindeer were used. This practice was discontinued because of the disagreeable temperament of these animals.
We'll stop here a minute so that you can enter this ______of a railway mail car. It was during the Age of the Iron Horse that delivery really started to pick up. In fact, the United States transported most bulk mail by train for nearly 100 years. The first airmail service didn't start until 1918.……
