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钻孔桩现浇灌注工程中，导管的埋置深度宜控制在()m
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约翰先生在我国无住所，但自1990年1月1日起一直在我国居住。按照现行税法规定，应当从1995年起对约翰先生来源于中国境内与境外的全部所得征收个人所得税。 ()
桥梁的()采用车道荷载。
关于票据签章的说法中，符合票据法律制度规定的是（)。A．票据上的签章为签名加盖章B．支票上的出票人关于票据签章的说法中，符合票据法律制度规定的是()。
听力原文： Let's perceive to the main exhibit hall and look at some of the actual vehicles that played a prominent role in speeding up mail delivery in the past. Consider how long it used to take to send a letter across a relatively short distance. Back in the 1600s it took two weeks on horseback to get a letter from Boston to New Yolk, a distance of about 260 miles. Crossing a fiver was also a challenge. Ferry service was so irregular that a carrier would sometimes wait hours just to catch a ferry. For journeys inland there was always a stagecoach but the fide was by no means comfortable because it had to be shared with other passengers. The post office was pretty ingenious about some words. In the 19th century, in the southwestern desert, for instance, camels ware brought in to help to get the mail through. In Alaska, reindeer were used. This practice was discontinued because of the disagreeable temper of these animals. We'll stop here a minute so that you can enter this replica 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 of mail 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 impressive philatelic collection？ Not only can you look at some of the more unusual stamps issued but there's an interesting exhibit on how stamps are made.
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