题目内容
SECTION B PASSAGES
Directions: In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow.
听力原文： Early one morning, my husband turned on the radio. Suddenly he exclaimed, "That has to be Rod. No one else talks like that!" We listened attentively and heard the announcer say, "You've been listening to an interview with Dr. Rod Smith who has been telling you about a breakthrough in AIDS research that he and his colleagues have made."
We both had Rod as a student and had agreed that he was absolutely the slowest student we had ever had. He spoke slowly, moved slowly, and wrote slowly. We suspected that he thought slowly. When he took an examination, he could never finish it. The unanswered questions kept him from having high marks.
During his senior year, Rod announced that he wanted to go to graduate school, but no graduate school would accept him. He kept trying and a year or so later the department of biology of a large university allowed him to enroll in a few classes on a trial basis. They discovered that he was talented in basic research. He was then allowed to enter the master's program, and later the PhD program. He cheerfully persevered. In six years he could proudly add the title of "doctor" to his name. His professional career began and we lost track of him, until we heard his slow, steady voice that morning.
Why did the couple recognize Rod's voice on the radio immediately？
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听力原文： Two hundred years ago, before the industrial revolution, most people worked on the farm and pretty much stayed in one place for their whole lifetime. (19)One hundred years later, you learned to use some kind of technology at a factory, but this training and technology would also last your entire career. Once you made a decision about what job you wanted or could get, you keep that job the rest of your life and didn't have to think about it again. It was like getting on a train and knowing your exact destination.
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Two hundred years ago, people used to
What caused the prices of the telephone system to lower in America？
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