全新版大学英语视听阅读第一册Home listening.doc

全新版大学英语视听阅读一Audio Script of Home Listening Unit 1 Springfield’s Heroic Dogs The City of Springfield’s Search and Rescue Team Website Training a Search and Rescue (SAR) Dog Search and Rescue (SAR) dogs are specially trained to find and save missing or injured （-ed轻读，误听enger）people, but how is it done? To train SAR dogs, people pretend to be “lost” so the dogs can“find” them. Friends of Springfield’s SAR Team often find themselves going into the woods and staying there until a trainee dog finds them. As people walk along, up to 10,000 tiny bits of material containing their own particular smell are left behind every minute. SAR dogs can easily detect these bits of scent. The trainer just gives them an item of clothing（误听items closen） from the lost person and the dog can simply follow its nose to find the person.（nose误听notes） In the five years between 2003 and 2008 the Springfield SAR Team responded to 122 calls for help. Of these 122 calls, SAR dogs were able to help almost 40 percent of the time. (of误听all) Here are a few of our more unusual success stories: A Surprising Hero Elementary school teacher Carolyn Rubin has been a trainer with the Springfield SAR Team for four years. She was out for her usual run one sunny Sunday morning in the spring of 2002. Her own SAR dog, Lucy, was with her. As Rubin followed a jogging path into a wooded area, she suddenly realized that a shadowy shape ahead of her was a large black bear — and it was coming directly towards her! Luckily, Lucy immediately started barking and biting the bear’s back legs and eventually scared the animal away. The Right Place at the Right Time In February 2004, David Roycroft, a local dentist, was skiing alone in Canyon Park. Suddenly Roycroft heard a loud noise. He looked up the hill and saw a three-meter wall of snow heading straight for him. A moment later he was under it. If a person remains under snow for 30 minutes, he or she has only a 50 percent chance of survival. Luckily, Springfield SAR member