新概念英语第三册私人珍藏版Lesson-1-A-puma-at-large-逃遁的美洲狮
新概念英语第三册第1课-A Puma at large
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。
新概念第三册 Lesson-1-A-puma-at-large单词课文详细讲解
II. New words & Expressions
hunt v/n 追猎，寻找（hunt for） Eg: The experts from London zoo began to hunt for a puma.
convince: v. make sb feel certain, cause sb to realize
使确信，使信服
convince sb of sth I convince him of my honesty.
convincing a. 有说服力的 She sounded very convincing to me. assure v. 保证；使确信 We assured him of our support. She is perfectly safe, I can assure you.
警察最后把盗贼困住了。 The police ______ _______ _______. 这个问题逼得我走投无路。 This question ______ _______.
II New words & Expressions
trail n. 一串，一系列
v. 跟踪，追踪
The police trailed the criminal to the place where he was hiding.
II. New words & Expressions
disturb v. 令人不安 The letter shocked and disturbed me.
新概念英语第三册私人珍藏版Lesson 1 A puma at large 逃遁的美洲狮
Lesson 1 A puma at large 逃遁的美洲狮一、【Text】课文Puma s are large, cat-like animals which are found in America. When report s came into London Zoo that a wild puma had been spotted forty-five mile s south of London, they were not taken serious ly.However, as the evidence began to accumulate, expert s from the Zoo felt oblige d to investigate, for the description s given by people who claim ed to have seen the puma were extraordinarily similar.美洲狮是一种体形似猫的大动物，产于美洲。
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。
可是，随着证据越来越多，动物园的专家们感到有必要进行一番调查，因为凡是声称见到过美洲狮的人们所描述的情况竟是出奇地相似。
The hunt for the puma began in a small village where a woman picking blackberries saw 'a large cat' only five yard s away from her. It immediately ran away when she saw it, and expert s confirm ed that a puma will not attack a human being unless it is corner ed.The search prove d difficult, for the puma was often observe d 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 rabbit s. Paw print s were seen in a number of places and puma fur was found clinging to bush es.搜寻美洲狮的工作是从一座小村庄开始的。
新概念英语第三册私人珍藏版Lesson-1-A-puma-at-large-逃遁的美洲狮
Lesson 1 A puma at large 逃遁的美洲狮一、【Text】课文Puma s are large, cat-like animals which are found in America. When report s came into London Zoo that a wild puma had been spotted forty-five mile s south of London, they were not taken serious ly.However, as the evidence began to accumulate, expert s from the Zoo felt oblige d to investigate, for the description s given by people who claim ed to have seen the puma were extraordinarily similar.美洲狮是一种体形似猫的大动物，产于美洲。
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。
可是，随着证据越来越多，动物园的专家们感到有必要进行一番调查，因为但凡声称见到过美洲狮的人们所描述的情况竟是出奇地相似。
The hunt for the puma began in a small village where a woman picking blackberries saw 'a large cat' only five yard s away from her. It immediately ran away when she saw it, and expert s confirm ed that a puma will not attack a human being unless it is corner ed.The search prove d difficult, for the puma was often observe d 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 rabbit s. Paw print s were seen in a number of places and puma fur was found clinging to bush es.搜寻美洲狮的工作是从一座小村庄开始的。
新概念第三册Lesson 1 A Puma at large
新概念第三册Lesson 1 A Puma at large 新三学习目标1. 达到大学英语四级以上水平；2. 掌握4500-5000的词汇量，扩大词汇、短语及语法的实战使用；3. 能写出较为复杂的英语句子，能实行较为深度的口语交流；4. 能基本达到BEC中级、中级口译、雅思6.0、托福85分的词汇和语法水平；5. 全面提升英语理解水平。
课程安排1. 听力训练2. 课程详解3. 难点拾零4. 经典推荐重要知识点1. be at large 固定词组，表示“潜逃”2. 后缀–like 表示“像……似的，有……的特征”3. 英语中表示“看、看见”的表达4. take sth. seriously5. 复杂句的处理6. 被动语态表客观事实7. 同位语从句8. 同位语从句与定语从句的区别想要跟着沪江网校老师学习新概念英语第三册，实现从初级英语到中级英语的飞跃，就赶快来报名吧 >>New words and expressions 生词与短语puman. 美洲狮spotv. 看出，发现evidencen. 证据accumulatev. 积累，积聚obligev. 使……感到必须huntn. 追猎；寻找blackberryn. 黑莓human being人类cornerv. 使走投无路，使陷入困境trailn. 一串，一系列printn. 印痕clingv. 粘convincev. 使……信服somehowadv. 不知怎么搞地，不知什么原因disturbv. 令人不安。
新概念第三册Lesson 1 A puma at large超全学习笔记
Lesson 1 A puma at large1.at large在逃的，未被捕获的a prisoner/suspect at largeThe disease is still at large（蔓延，肆虐）.2.Pumas are large, cat-like animals which are found in America.①cat-like animalsbear-like animalschild-like simplicityangel-like girlcrystal-like eyesflu-like symptomsFoxes and farmers have never got on well. These small dog-like animals have long been accused of killing farm animals. (CET4, 2002.1)②be found in一般过去时“被发现”一般现在时“存在于…，产于…”Many plant and animal species are found only in the rain forests.Vitamin C is found in citrus fruit.③造句：大熊猫是一种大型的，类似于熊的动物，产于中国四川省。
Giant pandas are large, bear-like animals which are found in Sichuan Province, China.3.When reports came into London Zoo that a wild puma had been spotted forty-five miles south of London, theywere not takenseriously.①come intoe.g. He came into the classroom.However, a new type of humor, which stems largely from the US, has recently come into fashion.（NCE 3, P138）The dealer told him that it had just come in, but that he could not be bothered to open it.（NCE 3, P158）无灵主语/物称主语（inanimate subject）e.g. The sea bed was scoured with powerful nets and there was tremendous excitement on board when a chest was raised from the bottom.（NCE 3, P150）满堂花醉三千客，一剑光寒十四洲。
新概念第三册NCE3Lesson1A-puma-at-largePPT课件
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As the pollution problem in their hometown is more and more serious , some environmentalists feel obliged to do something to protect the environment to leave behind a clean living space for the future generations. They know that it will be a difficult task, however, they are always clinging to the hope that they will succeed.
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美洲狮是一种体形似猫的大动物，产于美洲。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。可是，随着证据越来越多，动物 园的专家们感到有必要进行一番调查，因为凡是声称见到过 美洲狮的人们所描述的情况竟是出奇地相似。
搜寻美洲狮的工作是从一座小村庄开始的。那里的一位 妇女在采摘黑莓时的看见“一只大猫”，离她仅5码远，她刚 看见它，它就立刻逃走了。专家证实，美洲狮非被逼得走投 无路，是决不会伤人的。事实上搜寻工作很困难，因为常常 是早晨在甲地发现那只美洲狮，晚上却在20英里外的乙地发 现它的踪迹。无论它走哪儿，一路上总会留下一串死鹿及死 兔子之类的小动物，在许多地方看见爪印，灌木丛中发现了 粘在上面的美洲狮毛。有人抱怨说夜里听见“像猫一样的叫 声”；一位商人去钓鱼，看见那只美洲狮在树上。专家们如 今已经完全肯定那只动物就是美洲狮，但它是从哪儿来的呢？ 由于全国动物园没有一家报告丢了美洲狮，因此那只美洲狮 一定是某位私人收藏豢养的，不知怎么设法逃出来了。搜寻 工作进行了好几个星期，但始终未能逮住那只美洲狮。想到 在宁静的乡村里有一头危险的野兽继续逍遥流窜，真令人担 心。
新概念三Lesson1-A-puma-at-large
oblige v. make somebody feel it is necessary to do something feel obliged to do sth. 感到有必要做某事 马英九觉得必须同大陆改善关系。 Mr. Ma Ying Jiu feels obliged to improve the relationship
with the mainland.
Be obliged to do sth 被强迫做某事 He was obliged to sell his car to pay his debts. 他被迫卖掉车去还债。
hunt n. 追猎；寻找 Hunter 猎人、猎犬 猎人尽最大努力去追捕这头美洲狮。
The hunter tried his best to hunt the puma.
+ 英文擅长用长句，中文擅长用短句。
+ cat-like 猫一样的, 偷偷摸摸的 / dog-like 狗一样的 / life-like 栩栩如生的
+ woman-like
+ 3. When reports came into London Zoo that a wild puma had been spotted forty-five miles south of London, they were not taken seriously.
trail n. 一串，一系列 汽车掀起了一股尘土。 The car raised a trail of dust.
convince v. make (someone) agree, understand, or realize the
新概念英语(第三册)Lesson-01--A-Puma-at-large-逃遁的美洲狮
新概念英语（第三册）笔记Lesson 01 A Puma at large 逃遁的美洲狮New words and expression 生词和短语学习词汇时仅知道汉语语义是不够的，要把单词放在语句中体会其应用学习关键句结构是则要把它放在段落结构或文章里spot v.看出, 发现= see, pick out, recognize, catch sight of 强调结果, 辨别出, 看见, 识别, 发现-- A tall man is easy to spot in the crowd.-- He has good eye for spotting mistakes.同意词：-- find：强调发现的结果/ find out：查出事实真相-- discover：做出重大发现/ notice：注意到-- observe：观察/ watch：观察活动中的人或画面-- There is a white spot on the shirt.on the spot有两个含义：1> 立刻, 马上（at once, immediately）-- Anyone breaking the rules will be asked to leave on the spot.2> at the place of the action 在现场-- Wherever she is needed, she is quickly on the spot.Evidence n.证据（不可数名词）Evident adj.明显的, 显然的/ evidently adv.明显地, 显然Evidence = proof (n.证据)-- When the police arrived, he had already destroyed the evidence.in evidence 显而易见的-- He was in evidence at the party.Accumulate v.积累, 积聚（强调积累的过程）-- As the evidence accumulates, experts from the zoo felt obliged to investigate., 把某人召集在某处-- The teacher gathered his students in the classCollect vt.搜集, 采集-- Do you collect stamps? Yes, I collect stamps as my hobby.（n.业余爱好）Assemble v.集合, 集会/ 装配-- A large number of people assemble on the square.Hoard vt.大量的储存（-- hoard up = store up 储藏）-- The squirrel hoards up nuts for the cold winter （squirrel n.松鼠）（nut n.坚果）amass vt.积聚（主要用于诗歌和文学作品）-- The clouds amassed above the hills…感到必须feel obliged to do sth 感觉有必要做某事-- I feel obliged to say no to his demand（n.要求, 需要）be obliged to do sth 被迫做某事-- They were obliged to sell their car to pay their debts off.（debt n.债务）hunt v.n.追猎, 寻找（hunt for）-- The experts from London zoo began to hunt (v.) for a puma.-- The hunt (n.) for the puma proved the difficult. （prove vt.证明, 证实）search 搜寻某处为了寻找到某人或某物-- The police were searching the forest for the missing boy.run after 强调追赶, 追求-- look, a dog is running after a cat-- what are you run after in your lifeseek = pursue v.追寻(理想)chase v.追赶（-- They are chasing a thief / They are running after a thief）blackberry n.黑莓/ berry n.浆果human being 人类corner v.使走投无路, 使陷入困境作为动词, 经常使用被动语态-- The thief was cornered at last-- The problem cornered me.corner n.角落-- at the corner of the street -- in the corner of the room -- on the corner of the deskTrail n.一串, 一系列trail vt. 跟踪, 追踪（= follow）-- The police trailed the criminal to the place where he was hiding （criminal n.罪犯）Cling v.粘（clung, clung, clinging）-- She is always clinging to her mother.-- He clung to the hope that he would succeed. 他怀有成功的希望stick v.粘住（-- stick the envelop）n.信封stick to 坚持（-- stick to the plan / stick to one’s promise）n.许诺sticky adj.粘的（-- sticky fingers）…信服1>convince sb of sth -- I convince him of my honesty.（n.诚实, 正直）我使他相信我的诚实。
新概念英语第三册私人珍藏版Lesson 1 A puma at large 逃遁的美洲狮
新概念英语第三册私人珍藏版Lesson-1-A-puma-at-large-逃遁的美洲狮Lesson 1 A puma at large 逃遁的美洲狮一、【Text】课文in America. When s are large, cat-like animals which are found Puma forty-five had been spotted report s came into London Zoo that a wild puma serious ly mile. s south of London, they were not takenexpert s from the ZooHowever, as the evidence began to accumulate,given by people who description sd oblige to investigate, for the felt . puma were extraordinarily similar claim ed to have seen the英里美洲狮是一种体形似猫的大动物，产于美洲。
当伦敦动物园接到报告说，在伦敦以南45处发现一只美洲狮时，这些报告并没有受到重视。
感到有必要进行一番调查，因为凡是声称见到过美可是，随着证据越来越多，动物园的专家们洲狮的人们所描述的情况竟是出奇地相似。
where a woman picking for the puma began in a small huntvillage The s away from her. It immediatelyblackberries saw 'a large cat' only five yard that a puma will not confirm ed ran away when she saw it, and expert sed. unless it is corner a human being attack at one place observe d difficult, for the puma was often The search prove d in the morning and at another place twenty miles away in the evening.of dead deer and small animals like trailWherever it went, it left behind it awere seen in a number of places and puma fur was s . Paw printrabbit s . found clinging to bush es一只大“搜寻美洲狮的工作是从一座小村庄开始的。
新概念三册Lesson1 A Puma at Large
Evidence n.证据（不可数名词） (witness 证人 judge 法官 jury 陪审团 court of law 法庭) self-evident a. 不言自明的 《The Declaration of Independence》 独立宣言 evident adj.明显的, 显然的 evidently adv.明显地, 显然 Evidence = proof (n.证据) When the police arrived, he had already destroyed the evidence. • in evidence 显而易见的 • -- He was in evidence at the party. • • • •
human being 人类 Print n.印痕 foot print 足迹 paw print 爪痕 finger print 指纹
cling v.粘 （clung, clung, clinging）
She is always clinging to her mother. stick v.粘住 （-- stick the envelop） stick to 坚持 （stick to the plan / stick to one’s promise n.许诺 sticky adj.粘的 （-- sticky fingers）
blackberry n.黑莓
• berry n.浆果
• • • • • • • • • • • • •
wild adj.野性的, 野生的 investigate v.调查, 研究 description n.描写, 描述 extraordinarily [ɪk'strɔrdn,ɛrɪ]adv.特别地，非常地，格外 similar adj.相似的, 类似的 attack vt.攻击 difficult adj.困难的, 艰难的 difficulty n.困难, 难点 rabbit n.兔, 野兔 paw n.手掌, 手爪 fur n.毛皮, 毛, 软毛 bush n.矮树丛 fully adv.充分地, 完全地 collector n.收藏家, 征收者
新概念第三册lesson1 A puma at large
somehow
• somehow adv.不知怎么搞地, 不知什么原因 = by some means, in some way, 以某种方法 for some reason unknown • 无论如何我要把这本书取回来。（in some way） • -- I’ll get the book back somehow. • • • • • 不知怎么搞地, 我迷失了。 -- I got lost somehow. Somewhat adv.稍微, 有点, 有些 （= a little） -- The price is somewhat higher than I expect.
spot, find, discover,observe,watch, notice
discovered I was pregnant. 1. I __________ found 2. The police also ________a pistol. observe 3. Are there any class I would _______? 4. He has good eye for _______ spotting mistakes. noticed 5. If you _________ anyone suspicious, please report. • 6. The man was standing in the doorway __________ watching her.
• • • • • • • • • • • • •
wild adj.野性的, 野生的 investigate v.调查, 研究 description n.描写, 描述 extraordinarily adv.特别地，非常地，格外 similar adj.相似的, 类似的 attack vt.攻击 difficult adj.困难的, 艰难的 difficulty n.困难, 难点 rabbit n.兔, 野兔 paw n.手掌, 手爪 fur n.毛皮, 毛, 软毛 bush n.矮树丛 fully adv.充分地, 完全地 collector n.收藏家, 征收者
(美音版)新概念英语第三册：Lesson 1 A puma at large
（美音版）新概念英语第三册：Lesson 1 A puma atlargeLesson 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?狮子从何而来？Pumas are large, cat-like animals which are found in America.美洲狮是一种体形似猫的大动物，产于美洲。
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。
However, as the evidence began to accumulate, expertsfrom the Zoo felt obliged to investigate,不过，随着证据越来越多，动物园的专家们感到有必要实行一番调查，for the descriptions given by people who claimed to have seen the puma were extraordinarily similar.因为凡是声称见到过美洲狮的人们所描述的情况竟是出奇地相似。
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.搜寻美洲狮的工作是从一座小村庄开始的。
新概念英语第三册详细教学笔记lesson1 A puma at large
新概念英语第三册详细教学笔lesson1 A puma at large记．Lesson 01 A Puma at large 逃遁的美洲狮Boys and girls, welcome to our new conceptenglish book 3.Please open your textbook at page 14.Let's begin to our lesson one A Puma at large.If we want to study the text well ,we must be familiar with the words of course.[f?'mili?]So read these words after me aloud.It is necessary for us to know the vocabulary ,ofcourse i should say .to know the expression aftervocabulary .we must learn how to use them .sowhen we learn a word we must put it in a sentence,and when we study a key structure ,wemust put it in a little passage or paragraph. New words and expression 生词和短语学习词汇时仅知道汉语语义是不够的，要把单词放在语句中体会其应用学习关键句结构是则要把它放在段落结构或文章里s about the time to study how to use the words'It3Lesson 1 A Puma at Large 逃遁的美洲狮one by one .particularly the important words .sofirst spot.n.美洲狮puma发看出, A.Spot is a transitive word,it means v. 及物现强调sight of see, pick out, recognize, catch =发现, 看见, 识别结果, 辨别出,For example .-- A tall man is easy to spot in the crowd.识别错He has good eye for spotting mistakes.--误的洞察力辨析同意词：-- find：强调发现的结果/ find out：查出事实真相-- discover：表示做出重大发现make a discover/ notice：注意到-- observe：观察/ watch：观察活动中的人或画面So please read these words aloud. Besides, You should make sure how to use them.4Lesson 1 A Puma at Large 逃遁的美洲狮n.斑点Spot-- There is awhite spot on the shirt.英文中的介词短语浮现率是非常高那我们知道，的，所以英文也经常被称之为介词语言。
新概念英语第三册 Lesson1 A puma at large 知识点梳理
Lesson 1 A puma at large词汇：1.puma n.美洲狮2.spot v.看到，发现3.evidence n.证据4.accumulate v.积累5.oblige v.使..感到必须6.hunt n.追猎7.blackberry n.黑莓8.human n.人类9.corner v.使走投无路10.trail n.一系列11.print n.印痕12.cling v.粘13.convince v.使…信服13.somehow adv.不知怎么搞地14.disturb v.令人不安词汇扩展：1.spot: v.看出，发现n.斑点a spot on one’s reputation名誉上的污点词组：spot of sth 有点… a spot of bother一点小麻烦You seem to be having a spot of bother with your car, can Ihelp you? 看来你的车有点小毛病，需要我帮助你吗？a scenic spot 旅游景点A great of scenic spot are being spoilt by the ill-behaved tourists. 很多景点被不文明的游客破坏了。
The Middle East is a hot spot. 中东地区是个热点地区。
on the spot在现场Ten minutes after calling 911, a police car arrived on the spot. 报警之后的十分钟，警车抵达现场。
four days after setting out 出发后的第四天spot同义替换：see/find /observerecognize sb as…认出某人是谁identify 识别某人某物身份2.evidence证据evident清楚的；明显的self- evident不言自明的All truth passes through three stages. First, it is ridiculed. second，It is violently opposed. Third, it is accepted as being self-evident.3.oblige使…感到必须. obligation n.义务，责任be /feel obliged to do 不得不做某事=be/feel compelled to do=be /fell impelled to do4.human being 人类可数名词=mankind/humankind/humanity/ human race 不可数To be(存在，活着),or not to be ：that is the question.5.corner v.使某人走投无路Don’t corner me. 别逼我A cornered beast will do something desperate. 狗急跳墙on/in/at/around the cornerat the corner 在拐弯处around the corner 某个时刻快到了My birthday is just around the corner. 我的生日快到了。
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Lesson 1 A puma at large 逃遁的美洲狮一、【Text】课文Puma s are large, cat-like animals which are found in America. When report s came into London Zoo that a wild puma had been spotted forty-five mile s south of London, they were not taken serious ly.However, as the evidence began to accumulate, expert s from the Zoo felt oblige d to investigate, for the description s given by people who claim ed to have seen the puma were extraordinarily similar.美洲狮是一种体形似猫的大动物，产于美洲。
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。
可是，随着证据越来越多，动物园的专家们感到有必要进行一番调查，因为凡是声称见到过美洲狮的人们所描述的情况竟是出奇地相似。
The hunt for the puma began in a small village where a woman picking blackberries saw 'a large cat' only five yard s away from her. It immediately ran away when she saw it, and expert s confirm ed that a puma will not attack a human being unless it is corner ed.The search prove d difficult, for the puma was often observe d 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 rabbit s. Paw print s were seen in a number of places and puma fur was found clinging to bush es.搜寻美洲狮的工作是从一座小村庄开始的。
那里的一位妇女在采摘黑莓时的看见“一只大猫”，离她仅5码远，她刚看见它，它就立刻逃走了。
专家证实，美洲狮非被逼得走投无路，是决不会伤人的。
事实上搜寻工作很困难，因为常常是早晨在甲地发现那只美洲狮，晚上却在20英里外的乙地发现它的踪迹。
无论它走哪儿，一路上总会留下一串死鹿及死兔子之类的小动物，在许多地方看见爪印，灌木丛中发现了粘在上面的美洲狮毛。
Several people complain ed of 'cat-like noise s' at night and a businessman on a fishing trip saw the puma up a tree. The expert s were now fully convince d that the animal was a puma, but where had it come from?As no pumas had been report ed missing from any zoo in the country, this one must have been in the possess ion of a private collector and somehow manage d 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.有人抱怨说夜里听见“像猫一样的叫声”；一位商人去钓鱼，看见那只美洲狮在树上。
专家们如今已经完全肯定那只动物就是美洲狮，但它是从哪儿来的呢？由于全国动物园没有一家报告丢了美洲狮，因此那只美洲狮一定是某位私人收藏豢养的，不知怎么设法逃出来了。
搜寻工作进行了好几个星期，但始终未能逮住那只美洲狮。
想到在宁静的乡村里有一头危险的野兽继续逍遥流窜，真令人担心。
二、【New words and expressions】生词和短语◆puma n. 美洲狮◆spot v. 看出，发现◆evidence n. 证据◆accumulate v. 积累，积聚◆oblige v. 使…感到必须◆hunt n. 追猎；寻找◆blackberry n. 黑莓◆human being 人类◆corner v. 使走投无路，使陷入困境◆trail n. 一串，一系列◆print n. 印痕◆cling (clung, clung ) v. 粘◆convince v.使…信服◆somehow adv. 不知怎么搞地，不知什么原因◆disturb v. 令人不安打扰妨碍学习词汇时仅知道汉语语义是不够的，要把单词放在语句中体会其应用学习关键句型结构时则要把它放在段落结构或文章里★spot v. 看出，发现pick out / see / recognize / catch sight ofeg: A tall man is easy to spot in the crowd.He has good eye for spotting mistakes. 他有敏锐的识别错误的能力。
spot(做动词时候) = see:强调结果、辨别出、看见、识别、发现。
find 强调发现的结果。
find out 查出事实真相。
discover 做出重大发现notice注意到报告通告observe 观察watch 观察活动中的人或画面看管★ spot n. 斑点eg: There is a white spot on the shirt.o n the spot 立即当场1,立刻，马上（at once, immediately）Anyone breaking the rule s will be asked to leave on the spot.任何人违反规定，将被要求离开现场。
Break the rule 违反规则2,at the place of the action 在现场Wherever she is needed , she is quickly on the spot.哪里需要她，她立刻就到。
★evidence [u]n. 证据When the police arrived, he had already (早已，已经)destroy ed the evidence.当警察赶到时，他已销毁的证据。
evidence=proofin evidence:显而易见的.He was in evidence at the party.evidently adv. 明显地显然evident adj. 明显的，明白的★accumulate vt,vi. 积累，积聚accumulate 强调积累的过程As the evidence accumulates, experts from the zoo felt obliged to investigate.gather vt. 聚集，把某人召集在某处collect 收集，采集assemble 集合，集会，vt. 装配hoard 大量地贮存（食物，钱财）The squirrel （松鼠）hoards up nuts for the cold winter. hoard up= store up 储存，积攒amass 积聚（主要用于诗歌和文学作品）★oblige v. 使…感到必须feel obliged to do sth.感觉有必要做某事be obliged to do sth 被迫做某事★hunt n. 追猎；寻找run after 强调追赶、追求.seek 追寻（梦想，理想）探索= pursue （追击追捕）chase 追赶.求爱hunt for 猎取……寻找某人某物search 搜寻某处为了寻找到某人或某物★corner v. 使走投无路，使陷入困境corner n. 角落at the corner of the street 在街角in the corner of the room 在房间角落on the corner of the deskbe cornered ………被逼得走投无路被围困常用于被动语态：The thief was cornered at last.The problem cornered me.这个问题把我难例了。
★trail n. 一串，一系列trail==follow vt. 跟踪eg: The police trailed the criminal （犯人）to the place where he was hiding （躲藏）.★cling (clung, clung ) v. 粘eg: She is always clinging to her mother.He clung to the hope that he would succeed.(抱有，怀有)他抱定希望他会成功。
★stick 粘住stick to 遵守坚持sticky adj. 粘的★convince vt. 使…信服convince sb. of sth 使sb相信sth和宾语从句that 搭配使用没有宾语的情况下要采用主系表结构：be convincedsb be convicned sb相信★somehow adv. 不知怎么搞地，不知什么原因by some means, in some way, for some reason （理由原因）unknown以某种方式，在某种程度上，对于一些原因不明somewhat稍微==a little少许★disturb v. 令人不安disturbing adj. 令人不安的disturbed 感到不安的surprising 令人吃惊的surprised 感到吃惊的exciting 令人激动的excited 感到激动的三、【课文精析】at large1：逃遁的，没有被控制的。