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  3. 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

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

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问题     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【B1】______ . Back in the 1600’s it took two weeks on【B2】______ to get a letter from Boston to New York, a distance of about 260 miles. Crossing a river was also a【B3】______ . Ferry service was so【B4】______ that a carrier would sometimes wait hours just to catch a ferry. For journeys inland, there was always the stagecoach, but the fide was by no means【B5】______   because it had to be shared with other passengers. The post office was pretty【B6】______   about some routes.  In the nineteenth century, in the Southwestern desert, for instance, camels were【B7】______ in to help get the mail through. In Alaska, reindeer were used. This practice was discontinued because of the【B8】______ temperament of these animals.
    We’ll stop here a minutes so that you can enter this copy of a railway mail car.【B9】______ . In fact, the United States transported most bulk mail by train for nearly 100 years.【B10】______ .
    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 impressive philatelic collection.【B11】______ .
【B6】
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答案ingenious
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