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听力原文： After the death of my grandfather, I got the genealogy bug. It started with the gathering of family photos and progressed to writing a family history. Several years ago, I took another step and began creating a Website for the Stovalls. During this initiative, I also pursued the Wallace, Cox, Raney, and other related family lines.
One day I received an email about the Wallace line from a fellow named Ron Ritchie. Although I lived in Birmingham, Alabama, and he lived in Dallas, Texas, he had some Wallaces from the same area from which mine originated. We corresponded several times, after which he passed the baton to his daughter, Connie. She emailed me, and after six months or so, we reached the conclusion that we were not related.
With no more data to work on, we chatted about other interests and one thing led to another. The end result？ This shy Alabama-born boy found himself flying to Dallas to meet a girl. During several subsequent trips, we explored the sights, met each other's families, and plotted our lives. In December of 1997, my genealogical penpal and I were married. Our search for roots had led instead to a fresh branch on our now combined family tree. I think it's only fair to give our ancestors the credit!
When did I begin my genealogy research？
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听力原文： In the second half of each year, many powerful storms are born in the tropical Atlantic and Caribbean seas. Of these, only about a half a dozen generate the strong, circling winds of 75 miles per hour or more that give them hurricane status, and several usually make their way to the coast. There they cause millions of dollars of damage, and bring death to large numbers of people.
The great storms that hit the coast start as innocent circling disturbances hundreds—even thousands—of miles out to sea. As they travel aimlessly over water warmed by the summer sun, they are carried westward by the trade winds. When conditions are just right, warm, moist air flows in at the bottom of such a disturbance, moves upward through it and comes out at the top. In the process, the moisture in this warm air produces rain, and with it the heat that is converted to energy in the form. of strong winds. As the heat increases, the young hurricane begins to swirl in a counter-clockwise motion.
Water, not wind, is the main source of death and destruction in a hurricane. A typical hurricane brings 6- to 12-inch downpours resulting in sudden floods. Worst of all is the powerful movement of the sea—the mountains of water moving toward the low-pressure hurricane center. The water level rises as much as 15 feet above normal as it moves toward shore.
When is an ordinary tropical storm called a hurricane？
听力原文：He kept up his old car because new ones are so expensive.
What did he do with his old car？
American supremacy merely resulted from military might,
America's promise was extended to all its citizens.
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