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电孤焊接和绑扎接头与钢筋弯曲处的距离不应小于10倍钢筋直径，也不宜位于构件的最大弯矩处。 ()
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W: What can I do for you？
M: Well, I'm working on a term paper about the influence of television on recent presidential elections. I found Some books I need at the main library, but I was told that the library here at the graduate school had more specialized materials.
W: Of course it depends on what you want, but We do have a large number of journals. You'll probably have to do a lot of digging. It may take some time. We also have quite a few newspapers on microfilm.
M: I think I've come to the right place. How can I find out which journals you have？
W: I can give you a list of all of them. But if you want to search by author or by subject you. can use one of the computers over there in the corner.
M: What if I run across a reference that isn't available here？
W: You can request any outside material just by typing your request into the computer.
M: You mean you can get material from other universities？
W: Not only from other universities, but from virtually any public or private library in the United States. The only limitation is that outside materials cannot be checked out.
(30)
The "flag of the range country" ______.
听力原文： One spring shortly before the period of Civil War, a boy appeared at the prosperous farm of a man named Worthy Taylor in Portage County, Ohio. The boy was looking for work. Taylor did not know anything about the boy but as spring was a busy season on a farm, Taylor hired him. The boy's name was Jim. Jim worked on the farm all through that spring and summer. He helped with the planting, cut wood and took the cow to posture. He was a good worker but quiet and retiring. He ate in the kitchen and slept in the barn on a pile of hay. He kept very much to himself.
Before the end of summer, however, young Jim had fallen in love with one of Taylor's daughters, a pretty young girl about his own age. He wanted to marry her. Taylor told him very plainly that he did not intend to let his daughter marry any young man without money, without name, and without prospects of any kind for the future. Jim said nothing in answer to this, but that night he packed his few things together and disappeared. No one in that section ever saw him or heard from him again.
About thirty years later, Taylor was tearing down his old barn in order to build a new one. On one of the wooden beams above the place where Jim used to sleep, Taylor noticed this name cut into the wood with penknife: James A. Garfield. "Jim" was now the President of the United States!
(26)
By the time this article was written, the population of the world was approximately ______.
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