题目内容
According to the passage, why does deep venous thrombosis usually happen？
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听力原文：W: Roger, any problems in your Korean study？
M: The biggest problem with me is the Korean vocabulary. It really makes me frustrated．The pronunciation and usage put me into great confusion as l keep forgetting them.
W: I guess first of all，you can narrow down the vocabulary sphere. I mean, try to learn “core” vocabulary，the words with high frequencies of occurrence.
M: That sounds quite reasonable. Do you think I can find in bookstores a book or dictionary where such kinds of words are listed？
W: Yes, definitely. Another thing, the first several occurrences of strange words ale very important words are remembered best if they are learnt quickly with a few presentations. You may not have much trouble in remembering swear words，may you？
M: No. They're very impressive and quite memorable. I don't even need to practice them.
W: That's it! For other words lat don't have such a strong effect, you have to make yourself highly attentive and sensitive. If not，later practice and repetition don't seem to work so well.
M: I see.
W: The last thing I'll say is that if you want to remember something for periods long than a year or two, you need to space the presentations over quite long intervals of days, say 30 days A more frequent interval doesn't promise you longer remembrance.
M: Really？ I have thought every word should be practiced as often as possible within a short time span.
W: No. How the word is practiced is much more important than how often it is practiced.
M: You really do me a great favor, Teresa.
(23)
Section B
Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D.
听力原文： In my opinion, Frank Lloyd Wright was the greatest American architect of the 20th century. People who know his designs well point out that his roofs often leaked, his ceilings were too low, and his houses were uncomfortable. In my presentation, however, I'll be focusing on the virtues of his designs. For as you will see, it would be hard to dispute that he manipulated space extremely well, some of his smallest houses looked gigantic, and he had great respect for the materials he used and also a tremendous skill for placing his buildings in harmony with nature. Wright's career began when he was young. He was just a teenager when he helped build the chapel on his family's property in Wisconsin. And from there, he got hired as a draftsman by the project architect. So it was a very long career. He died at 91, while his final major work, the Guggenheim Museum, was still being built. Today, we'll cover what we consider to be the two great periods of his career: Wright's works before the Tokyo Imperial Hotel completed in 1922 and everything after Falling Water, a private residence in western Pennsylvania completed in 1936. The first period started around 1896, when he made a dramatic shift from the classical tradition to the arts and crafts movement. Here, the emphasis was on order, consistency and unity of design. Things were kept simple with minimal decoration. Natural forms were very important. Now let's take a look at a slide of his own dining room done in this style.
(27)
关于银行保函业务说法错误的是（)。A．银行保函业务是指银行根据客户的申请而开立的具有担保性质关于银行保函业务说法错误的是()。
A．He helped construct a chapel.B．He took over his family's business.C．He trained under
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