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新概念英语第三册第1课:A Puma at largeLesson 1 A puma at large逃遁的美洲狮Listen to the tape then answer the question below.听录音，然后回答以下问题。
Where must the puma have come from?Pumas are large, cat-like animals which are found in America. When reports came into London Zoo that a wild puma had been spotted forty-five miles south of London, they were not taken seriously. However, as the evidence began to accumulate, experts from the Zoo felt obliged to investigate, for the descriptions given by people who claimed to have seen the puma were extraordinarily similar.The hunt for the puma began in a small village where a woman picking blackberries saw 'a large cat' only five yards away from her. It immediately ran away when she saw it, and experts confirmed that a puma will not attack a human being unless it is cornered. The search proved difficult, for the puma was often observed at one place in the morning and at another place twenty miles away in the evening. Wherever it went, it left behind it a trail of dead deer and small animals like rabbits. Paw prints were seen in a number of places and puma fur was found clinging to bushes. Several people complained of "cat-like noises' at night and a businessman on a fishing trip saw the puma up a tree. The experts were now fully convinced that the animal was a puma, but where had it come from? As no pumas had been reported missing from any zoo in the country, this one must have been in the possession of a private collector and somehow managed to escape. The hunt went on for several weeks, but the puma was not caught. It is disturbing to think that a dangerous wild animal is still at large in the quietcountryside.参考译文美洲狮是一种体形似猫的大动物，产于美洲。
Lesson 1 A puma at largePumas are large, cat-like animals which are found in America. When reports came into London Zoo that a wild puma had been spotted forty-five miles south of London, they were not taken seriously. However, as the evidence began to accumulate, experts from the Zoo felt obliged to investigate, for the descriptions given by people who claimed to have seen the puma were extraordinarily similar.The hunt for the puma began in a small village where a woman picking blackberries saw 'a large cat' only five yards away from her. It immediately ran away when she saw it, and experts confirmed that a puma will not attack a human being unless it is cornered. The search proved difficult, for the puma was often observed at one place in the morning and at another place twenty miles away in the evening. Wherever it went, it left behind it a trail of dead deer and small animals like rabbits. Paw prints were seen in a number of places and puma fur was found clinging to bushes. Several people complained of 'cat-like noises' at night and a businessman on a fishing trip saw the puma up a tree. The experts were now fully convinced that the animal was a puma, but where had it come from? As no pumas had been reported missing from any zoo in the country, this one must have been in the possession of a private collector and somehow managed to escape. The hunt went on for several weeks, but the puma was not caught. It is disturbing to think that a dangerous wild animal is still at large in the quiet countryside.Language pointsPay attention: The points below are not covered by the mp3. It is better for you to listen to the mp3 first and try to take notes by yourselves.1，a puma at largeat large1：逃遁的，没有被控制的。
新概念英语第三册第一课【剪集】中英对照逐句讲解课文Lesson 1 A Puma at large 逃遁的美洲狮讲解1.Pumas are large, cat-like animals which are found in America.美洲狮是一种体形似猫的大形动物，产自美洲。
语言点1 which定语从句修饰animals.语言点2 cat-like是"n.+adj."结构的复合形容词，作定语，此类还有:lady-like女性化的,man-like男人般的,crystal-like水晶般的,baby-like婴儿般的,dog-like像狗一样的,steel-like钢铁般的,home-like像家一样的,angel-like天使般的,dream-like梦境般的。
语言点3 large和cat-like都是描述型定语从句，修饰animals。
选择合适的词翻译“大的”或“胖的”。
修饰动物：fat,huge;修饰男人：strong，heavy；修饰女人：large，plump；修饰小孩：robust，chubby.语言点4 在写作中模仿使用本句结构。
例:Koalas are small，bear-like animals which live in Australia.2.When reports came into London Zoo that a wild puma had been spotted forty-five miles south of London, they were not taken seriously.当伦敦动物园接到报告说，在伦敦以南45英里处发现一只美洲狮时，这些报告并没有受到重视。
语言点1 本句是一个由when引导的时间状语从句加that引导的分隔式同位语从句构成的复合句。
语言点2 had been spotted（过去被发现）中spot用词独具匠心，强调在荒野“发现”美洲狮不容易。
