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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 proceed to the main exhibit hall and look at some of the actual vehicles that have played a prominent 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______to get a letter from Boston to New York, a distance of about 260 miles. Crossing a river was also a challenge.______service was so irregular that a______would sometimes wait hours just to catch a ferry. For journeys______, there was always the______, but the ride was______comfortable because it had to be shared with other passengers. The post office was pretty______about some______. In the nineteenth century, in the Southwestern desert, for instance, camels were brought in to help get the mail through. In Alaska,______were used. This practice was_______because of the____________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______by train for nearly 100 years. The first airmail service didn't start until 1918. Please take a few moments to look around. I hope you'll enjoy your tour. And as you continue on your own, may I suggest you visit our_______collection. Not only can you look at some of the more unusual stamps issues, but there is an interesting exhibit on how stamps are made.
