雅思阅读十大场景文章赏析
雅思阅读11类场景词
雅思阅读11类场景词摘要：1.雅思阅读的11 类场景词概述2.11 类场景词的具体分类3.各类场景词的实用举例4.如何有效地记忆和运用这些场景词正文：【雅思阅读的11 类场景词概述】在雅思阅读考试中，掌握一些常见的场景词对于提高阅读速度和准确率具有很大的帮助。
这些场景词可以分为11 大类，涵盖了生活、学习、工作等各个方面。
本文将为大家详细介绍这11 类场景词，并给出一些实用的举例，帮助大家更好地记忆和运用。
【11 类场景词的具体分类】1.人物类：如教授、学生、警察等；2.场所类：如图书馆、餐厅、医院等；3.时间类：如春天、夏天、星期五等；4.数字类：如价格、时间、数量等；5.方向类：如左、右、上、下等；6.气候类：如晴天、雨天、雪天等；7.交通类：如汽车、火车、飞机等；8.活动类：如旅行、运动、聚会等；9.情感类：如高兴、生气、失望等；10.关系类：如朋友、家人、同事等；11.物品类：如电脑、手机、书本等。
【各类场景词的实用举例】1.人物类：例如，教授（professor）在学术论文中通常是指导师或者教授；学生（student）通常是指在校园里学习和生活的年轻人。
2.场所类：例如，图书馆（library）是提供书籍和阅读空间的地方；餐厅（restaurant）是提供食物和饮料服务的地方。
3.时间类：例如，春天（spring）是一年四季中的一个季节，通常表示生机勃勃、万物复苏；星期五（Friday）是一周中的第五天。
4.数字类：例如，价格（price）是购买物品或服务时需要支付的费用；时间（time）通常用来表示某个活动或事件的开始和结束时刻。
5.方向类：例如，左（left）表示方向的一种，与右（right）相对；上（up）表示垂直方向的一种，与下（down）相对。
6.气候类：例如，晴天（sunny）表示天气晴朗、阳光充足；雨天（rainy）表示天气阴雨绵绵、降水较多。
7.交通类：例如，汽车（car）是一种常见的交通工具，用于载人或货物；火车（train）是一种在轨道上行驶的交通工具，通常用于长途旅行。
雅思阅读场景词
雅思阅读场景词一、雅思阅读场景词的重要性雅思阅读场景词就像是打开宝藏的钥匙，超级重要呢。
你想啊，在雅思阅读的世界里，那各种文章就像是不同的小宇宙，有科学的、历史的、文化的等等。
如果我们不认识场景词，就像在小宇宙里迷失了方向，晕头转向的。
比如说在科学类的文章里，像“experiment（实验）”“hypothesis（假设）”“observation （观察）”这些词要是不认识，那读文章就跟看天书似的。
再比如说文化类的文章中，“tradition（传统）”“custom（习俗）”“heritage（遗产）”这些场景词要是不熟，就很难理解文章到底在说啥。
二、常见的雅思阅读场景词分类1. 学术场景词在学术研究类的文章里，“research（研究）”“analysis （分析）”“data（数据）”这几个词出现的频率超高。
像“data”这个词，它可以是单数也可以是复数，“a piece of data”或者“these data”都是正确的用法。
还有“conclusion（结论）”，一篇学术文章最后肯定是要得出结论的，这个词就很关键。
在学术教育场景里，“curriculum（课程）”“tutor（导师）”“seminar（研讨会）”是常见的词。
“curriculum”涵盖了一个课程体系的所有内容，“tutor”是可以给你单独辅导的人，而“seminar”是大家一起讨论学术问题的小集会。
2. 生活场景词在日常消费场景下，“purchase（购买）”“receipt（收据）”“bargain（便宜货）”很常见。
当我们说“make a purchase”就是进行一次购买行为，而“bargain”这个词，既可以当名词表示便宜的东西，也可以当动词表示讨价还价，比如“I bargained with the seller and got a good bargain.”在居住场景里，“apartment（公寓）”“tenant（租户）”“landlord（房东）”是必须知道的。
雅思考试阅读全面解析及答案(4)
雅思阅读解析及答案：竹子
讲竹子：讲了竹子其实也是濒危物种，但是没有得到大家应有的重视，大家忽视了竹子对生态的作用和生产价值 。一开始说竹子是某些地方动物和人的重要食物来源，但竹子由于人口等问题而大大减少。然后说对于竹子的研究还处于基础阶段，然后是竹子对大自然的好处，竹子的商业价值，与其他脆弱的植物比较等等。
第一部分，说竹子是大猩猩等动物的重要食物来源，但由于人口增长等因素的影响，大大削减了竹子的生存空间。
第二部分，是某做的一个关于竹子的研究，并指出研究不够，还处于基础阶段；
第三部分，讲竹子的作用，主要其根部的生态作用。
第四部分，竹子的商业价值，比喻用竹子造纸等；
第五部分，有一些人认为竹子的生长对其他生物构成了威胁，一个专家不同意；
13.销量最大的竹子用品？paper
第六部分，展望未来！
题目类型
M+（NB段落匹配 1-7）
M （人名匹配 8-11）
ASQ （12-13）
参考答案
M:
不记得题目顺序了，只能大概回忆出其中几部分的段意
A人类活动给竹子造成威胁B？C竹子如何保持水土D竹子的商用价值E？F？
M：四个人，四道题
有一个人名没用过，有一个人名用过两次
SAQ：
12.竹子的根防止什么？Soil erosion
雅思阅读重点题材解析
雅思阅读重点题材解析2016雅思阅读重点题材解析雅思阅读来讲，欢喜的多，忧愁的少，尽管雅思考试每年的难度在一点点爬升，尽管偶尔出现过怒摔土豪铅笔，悲愤拂袖离席的伤痛时刻，但阅读分数向来是自豪的代名词，是冲向雅思高分的保证。
通过对过去一年的总结，希望各位考生在新的一年里向阅读满分发起冲击，对阅读来说，就是这么任性!今天，yjbys网店铺以2015年全年的阅读真题为例，为同学们盘点阅读系列中的文章主流题材。
2015年高频/重点题材：物品/机构发展说明(34)动物植物(27)心理语言(27)地理环境(15)考古研究(9)经济管理(8)跨界题材(13)2015年雅思阅读从文章行文模式来讲，出镜率较高的为物品或机构的发展说明类，物品类提到了中国考生在中文词汇中也不是特别熟悉的，如石墨、龙涎香;机构的发展有可能会提到一个社交网络或者网上的'公司，这些文章行文结构专一，从头到位是围绕某一个主题完全展开，中间不会涉及太多跨题材的内容。
下面是动物和植物类和心理语言类文章，各占27篇。
比较常规考到的是地理环境类、考古研究类和经济管理类，今年格外值得注意的是跨界题材，即同一文章涉及两个不同的领域和学科的内容，例如它会讲到人文音乐对于工程师也就是arts对engineering的影响,或是一个国家所处的地理环境跟这国家的自然气候对国家经济产生的影响，这个不容小视。
接下来我们一一分开去说。
1. 雅思阅读文章题材--物品/机构发展说明1C5T2P1: Bakelite1C7T2P1: Why pagodas don’t fall down1C8T1P1: A Chronicle of Timekeeping1C8T1P2: Air Traffic Control in USA1C10T1P1: Stepwells1C10T3P2: Autumn Leaves这一题型从剑五开始历数，剑五第二套试题第一篇文章，有关Bakelite，文章的翻译标题叫做电木，在中文中很多人也没有听过这个名称，看了副标题才知道这是人造塑料的前身。
雅思g类阅读真题回忆解析汇总
雅思g类阅读真题回忆解析汇总雅思的阅读备考可以采用题海战术，下面小编给大家整理了雅思g类阅读真题回忆解析汇总，希望大家喜欢。
雅思g类阅读真题回忆解析1篇章介绍体裁：记叙文结构：第一段鹰击长空情愫不灭第二段动力滑翔存在缺陷第三段遭遇险情才知培训第四段特技飞行魅力无限第五段 Rossy改行亲身体验第六段借助翅膀飞行稳健第七段即便梦圆恐不多见试题解析·题目类型：MULTIPLE CHOICE·题目解析：题号：28定位词：Vandenbulcke, paragraph 3文中对应点：第三段：Patrick Vandenbulcke答案解析：题目：以下哪项关于Vandenbulcke的信息出现在第三段?分析：解题的关键在于与此人相关的来自第三段的原文信息。
选项A“他险些未能避免一次危险情况”与原文中Another keen paramotorist recently experienced a close call when in the air以及这句话之后的关于事情经过的描述相对应。
选项B“他不懂得自己使用的装备”在该段中没有出现。
选项C“他没有对当时的情况作出迅速的反应”与原文中I realized I had to get to the ground fast意思相反。
选项D“他幸运地得到了所需的帮助”在该段中没有提及。
因此，本题答案为A。
题号：29定位词：second-hand, equipment, sale中文对应点：第三段：equipment secondhand, pre-used kit, sale答案分析：题目：当作者提到一些有待出售的二手动力滑翔设备时，他在强调。
分析：选项A“动力滑翔设备供不应求”在原文中没有提到。
选项B“动力滑翔设备需要认真测试”在原文中也没有对应的内容。
选项C“动力滑翔运动是一项昂贵的兴趣爱好”与本话题无关。
选项D“动力滑翔运动是一项可能带来危险的娱乐消遣活动”与第三段倒数第四句However he warns:‘Although it seems cheaper to try to teach yourself, you will regret it later a s you won’t have a good technique.’以及最后一句‘Scared myself to death,’the seller reported,‘hence the reason for this sale.’对应，构成同义表述。
09.9.26雅思阅读第二篇背景文章赏析
09.9.26雅思阅读第二篇背景文章赏析A New Ice AgeWilliam Curry is a serious， sober climate scientist， not an art critic. But he has spent a lot of time perusing Emanuel Gottlieb Leutze's famous painting "George Washington Crossing the Delaware，" which depicts a boatload of colonial American soldiers making their way to attack English and Hessian troops the day after Christmas in 1776. "Most people think these other guys in the boat are rowing，but they are actually pushing the ice away，" says Curry， tapping his finger on a reproduction of the painting. Sure enough， the lead oarsman is bashing the frozen river with his boot. "I grew up in Philadelphia. The place in this painting is 30 minutes away by car. I can tell you， this kind of thing just doesn't happen anymore."But it may again soon. And ice-choked scenes， similar to those immortalized by the 16th-century Flemish painter Pieter Brueghel the Elder，may also return to Europe. His works，including the 1565 masterpiece "Hunters in the Snow，" make the now-temperate European landscapes look more like Lapland. Such frigid settings were commonplace during a period dating roughly from 1300 to 1850 because much of North America and Europe was in the throes of a little ice age. And now there is mounting evidence that the chill could return.A growing number of scientists believe conditions are ripe for another prolonged cooldown，or small ice age. While no one is predicting a brutal ice sheet like the one that covered the Northern Hemisphere with glaciers about 12，000 years ago， the next cooling trend could drop average temperatures 5 degrees Fahrenheit over much of the United States and 10 degrees in the Northeast，northern Europe， and northern Asia."It could happen in 10 years，" says Terrence Joyce， who chairs the Woods Hole Physical Oceanography Department. "Once it does， it can take hundreds of years to reverse." And he is alarmed that Americans have yet to take the threat seriously.A drop of 5 to 10 degrees entails much more than simply bumping up the thermostat and carrying on. Both economically and ecologically，such quick，persistent chilling could have devastating consequences. A 2002 report titled "Abrupt Climate Change: Inevitable Surprises，" produced by the National Academy of Sciences，pegged the cost from agricultural losses alone at $100 billion to $250 billion while also predicting that damage to ecologies could be vast and incalculable. A grim sampler: disappearing forests，increased housing expenses，dwindling freshwater， lower crop yields， and accelerated species extinctions.The reason for such huge effects is simple. A quick climate change wreaks far more disruption than a slow one. People， animals，plants， and the economies that depend on them are like rivers， says the report: "For example，high water in a river will pose few problems until the water runs over the bank， after which levees can be breached and massive flooding can occur. Many biological processes undergo shifts at particular thresholds of temperature and precipitation."Political changes since the last ice age could make survival far more difficult for the world's poor. During previous cooling periods， whole tribes simply picked up and moved south， but that option doesn't work in the modern，tense world of closed borders. "To the extent that abrupt climate change may cause rapid and extensive changes of fortune for those who live off the land，the inability to migrate may remove one of the major safety nets for distressed people，" says the report.But first things first. Isn't the earth actually warming？ Indeed it is， says Joyce. In his cluttered office， full of soft light from the foggy Cape Cod morning，he explains how such warming could actually be the surprising culprit of the next mini-ice age. The paradox is a result of the appearance over the past 30 years in the North Atlantic of huge rivers of freshwater—the equivalent of a 10-foot-thick layer—mixed into the salty sea. No one is certain where the fresh torrents are coming from， but a prime suspect is melting Arctic ice， caused by a buildup of carbon dioxide in the atmosphere that traps solar energy.The freshwater trend is major news in ocean-science circles. Bob Dickson， a British oceanographer who sounded an alarm at a February conference in Honolulu，has termed the drop in salinity and temperature in the Labrador Sea—a body of water between northeastern Canada and Greenland that adjoins the Atlantic—"arguably the largest full-depth changes observed in the modern instrumental oceanographic record."The trend could cause a little ice age by subverting the northern penetration of Gulf Stream waters. Normally， the Gulf Stream， laden with heat soaked up in the tropics， meanders up the east coasts of the United States and Canada. As it flows northward，the stream surrenders heat to the air. Because the prevailing North Atlantic winds blow eastward， a lot of the heat wafts to Europe. That's why many scientists believe winter temperatures on the Continent are as much as 36 degrees Fahrenheit warmer than those in North America at the same latitude. Frigid Boston，for example，lies at almost precisely the same latitude as balmy Rome. And some scientists saythe heat also warms Americans and Canadians. "It's a real mistake to think of this solely as a European phenomenon，" says Joyce.Having given up its heat to the air，the now-cooler water becomes denser and sinks into the North Atlantic by a mile or more in a process oceanographers call thermohaline circulation. This massive column of cascading cold is the main engine powering a deepwater current called the Great Ocean Conveyor that snakes through all the world's oceans. But as the North Atlantic fills with freshwater， it grows less dense，making the waters carried northward by the Gulf Stream less able to sink. The new mass of relatively fresh water sits on top of the ocean like a big thermal blanket，threatening the thermohaline circulation. That in turn could make the Gulf Stream slow or veer southward. At some point， the whole system could simply shut down， and do so quickly. "There is increasing evidence that we are getting closer to a transition point， from which we can jump to a new state.。
2016年5月雅思真题回忆及解析
2016年5月雅思真题回忆及解析信念和斗志宜聚，懈怠和悲观宜散，我们的斗志因信念而燃起，不懈怠、不悲观，落实每一个知识点。
无忧考网搜集整理了2016年5月雅思真题回忆及解析，希望对大家有所帮助。
2016年5月举行了4场考试，时间分别为5月7日、5月19日、5月21日、5月28日。
以下内容仅供参考。
5月7日雅思口语真题回忆：Part 1考题总结考题总结：Hometown1.Where are you from?2.Do you like your hometown?3.Is your hometown suitable for children to live in?4.Where do you live in your hometown, a house or a flat?5.Where would you bring a tourist to in your hometown?6.Can you tell me something about a tourism site in your hometown?7.Would you like to live there in the future?Your studies1.Do you work or are you a student?2.What's your major? Have you ever communicated about your major with your friends?3.Will you study with others in the future? Why?4.What is your plan for your future study?5.When you study, do you feel happy?6.What’s your favorite subject? What do like most about it?7.Do you enjoy your school life? What are the benefits of being a student?8.What do you usually do after class?Flat1.Do you live in a house or an apartment/flat/dorm?2.What room do you like best in your flat?3.Describe your bedroom.4.Do you want to move to another place in the future?Staying home1.How long do you usually stay home?2.Do you prefer to stay home or go out?3.Would you stay home longer in the future?Dance1.Do you like to dance?2.Do people in your country dance?3.What kinds of dancing are popular in your country?Parks1.Do you like to go to park?2.What do you do there?Music1.Do you like to listen to music?2.What kinds of music do you like?3.How often do you listen to music?Weekends1.Do you think weekends are important?2.What do you do on weekend?3.What will you do next weekend?Drawing1.Do you like drawing?2.Do you often visit art museums?3.When did you learn to draw?Part 2&3考题总结P2 A piece of clothing you received.A family (not your own) that you like.A person who has an important job.River pollution.A skill you started to learn when you were small.A kind of food you first ate.A ideal job you want.a piece of news from newspaper or magazine.A toy you liked in your childhood.P3 1.Do you think drawing can improve one’s creativity?2.Do people like to watch films in cinemas or at home?3.How to improve the environment?4.Why do people like to keep old things?5.What duties should a parent have to raise kids?6.How to maintain the relationship (between people) in China?雅思口语趋势分析和备考指导雅思5月考试中出现一部分新轮换题，5月的考生注意每次考试后的考题总结，以之前复习的内容为主，灵活使用各个题卡相关内容。
雅思考试阅读全面解析及答案(10)
雅思考试阅读全面解析及答案(10)Sun's fickle heart may leave us cold 25 January 2007 From New Scientist Pri nt Edition. Stuart Clark1 There's a dimmer switch inside the sun that causes its brightness to rise and fall on timescales of around 100，000 years - exactly the same period as b etween ice ages on Earth. So says a physicist who has created a computer model of our star's core.2 Robert Ehrlich of George Mason University in Fairfax， Virginia， modelled the effect of temperature fluctuations in the sun's interior. According to the standard view， the temperature of the sun's core is held constant by the opp osing pressures of gravity and nuclear fusion. However， Ehrlich believed that slight variations should be possible.3 He took as his starting point the work of Attila Grandpierre of the Konko ly Observatory of the Hungarian Academy of Sciences. In 2005， Grandpierre and a collaborator， Gábor ágoston， calculated that magnetic fields in the sun's c ore could produce small instabilities in the solar plasma. These instabilities would induce localised oscillations in temperature.4 Ehrlich's model shows that whilst most of these oscillations cancel each other out， some reinforce one another and become long-lived temperature variat ions. The favoured frequencies allow the sun's core temperature to oscillate ar ound its average temperature of 13.6 million kelvin in cycles lasting either 10 0，000 or 41，000 years. Ehrlich says that random interactions within the sun's magnetic field could flip the fluctuations from one cycle length to the other.5 These two timescales are instantly recognisable to anyone familiar with E arth's ice ages： for the past million years， ice ages have occurred roughly e very 100，000 years. Before that， they occurred roughly every 41，000 years.6 Most scientists believe that the ice ages are the result of subtle change s in Earth's orbit， known as the Milankovitch cycles. One such cycle describes the way Earth's orbit gradually changes shape from a circle to a slight ellipseand back again roughly every 100，000 years. The theory says this alters the a mount of solar radiation that Earth receives， triggering the ice ages. However， a persistent problem with this theory has been its inability to explain why the ice ages changed frequency a million years ago.7 "In Milankovitch， there is certainly no good idea why the frequency should change from one to another，" says Neil Edwards， a climatologist at the Open University in Milton Keynes， UK. Nor is the transition problem the only one the Milankovitch theory faces. Ehrlich and other critics claim that the tempera ture variations caused by Milankovitch cycles are simply not big enough to drive ice ages.8 However， Edwards believes the small changes in solar heating produced by Milankovitch cycles are then amplified by feedback mechanisms on Earth. For exa mple， if sea ice begins to form because of a slight cooling， carbon dioxide t hat would otherwise have found its way into the atmosphere as part of the carbon cycle is locked into the ice. That weakens the greenhouse effect and Earth gr ows even colder.9 According to Edwards， there is no lack of such mechanisms. "If you add t heir effects together， there is more than enough feedback to make Milankovitch work，" he says. "The problem now is identifying which mechanisms are at work." This is why scientists like Edwards are not yet ready to give up on the current theory. "Milankovitch cycles give us ice ages roughly when we observe them to happen. We can calculate where we are in the cycle and compare it with observat ion，" he says. "I can't see any way of testing [Ehrlich's] idea to see where we are in the temperature oscillation."10 Ehrlich concedes this. "If there is a way to test this theory on the sun，I can't think of one that is practical，" he says. That's because variation ov er 41，000 to 100，000 years is too gradual to be observed. However， there may be a way to test it in other stars： red dwarfs. Their cores are much smaller t han that of the sun， and so Ehrlich believes that the oscillation periods could be short enough to be observed. He has yet to calculate the precise period or the extent of variation in brightness to be expected.11 Nigel Weiss， a solar physicist at the University of Cambridge， is far from convinced. He describes Ehrlich's claims as "utterly implausible". Ehrlichcounters that Weiss's opinion is based on the standard solar model， which fai ls to take into account the magnetic instabilities that cause the temperature f luctuations.(716 words)Complete each of the following statements with One or Two names of the scie ntists from the box below.Write the appropriate letters A-E in boxes 1-4 on your answer sheet.A. Attila GrandpierreB. Gábor ágostonC. Neil EdwardsD. Nigel WeissE. Ro bert Ehrlich1. ……claims there抯 a dimmer switch inside the sun that causes its brigh tness to rise and fall in periods as long as those between ice ages on Earth.2. ……calculated that the internal solar magnetic fields could produce ins tabilities in the solar plasma.3. ……holds that Milankovitch cycles can induce changes in solar heating o n Earth and the changes are amplified on Earth.4. ……doesn't believe in Ehrlich's viewpoints at all.Questions 5-9Do the following statements agree with the information given in the reading passage?In boxes 5-9 on your answer sheet write TRUE if the statement is true accor ding to the passage FALSE if the statement is false according to the passage NO T GIVEN if the information is not given in the passage5. The ice ages changed frequency from 100，000 to 41，000 years a million years ago.6. The sole problem that the Milankovitch theory can not solve is to explai n why the ice age frequency should shift from one to another.7. Carbon dioxide can be locked artificially into sea ice to eliminate the greenhouse effect.8. Some scientists are not ready to give up the Milankovitch theory though they haven't figured out which mechanisms amplify the changes in solar heating.9. Both Edwards and Ehrlich believe that there is no practical way to test when the solar temperature oscillation begins and when ends.- Questions 10-14Complete the notes below.Choose one suitable word from the Reading Passage above for each answer.Write your answers in boxes 10-14 on your answer sheet.The standard view assumes that the opposing pressures of gravity and nuclear fusions hold the temperature ……10……in the sun's interior， but the slight changes in the earth's ……11…… alter the temperature on the earth and cause ice ages every 100，000 years. A British scientist， however， challenges this view by claiming that the internal solar magnetic ……12…… can induce the temperature oscillations in the sun's interior. The sun's core temperature oscillates around its average temperature in ……13…… lasting either 100，000 or 41，000 years. And the ……14…… interactions within the sun's magnetic field could flip the fluctuations from one cycle length to the other， which explains why the ice ages changed frequency a million years ago.Answer keys and explanations：1. E See the sentences in paragraph 1(There's a dimmer switch inside the sun that causes its brightness to rise and fall on timescales of around 100，000 years - exactly the same period as between ice ages on Earth. So says a physicist who has created a computer model of our star's core.) and para.2 (Robert Ehrlich of George Mason University in Fairfax， Virginia， modelled the effect of temperature fluctuations in the sun's interior.)2. A B See para.3： ?i style='mso-bidi-font-style： normal'>Grandpierre and a collaborator， Gábor ágoston， calculated that magnetic fields in the sun's core could produce small instabilities in the solar plasma.4. D See para.11： Nigel Weiss， a solar physicist at the University of Cambridge，is far from convinced. He describes Ehrlich's claims as "utterly implausible".5. False See para.5： for the past million years， ice ages have occurred roughly every 100，000 years. Before that， they occurred roughly every 41，000 years.6. False See para.7： "In Milankovitch， there is certainly no good idea why the frequency should change from one to another，" …… Nor is the transition problem the only one the Milankovitch theory faces.7. Not Given See para.8： if sea ice begins to form because of a slight cooling，carbon dioxide?is locked into the ice. That weakens the greenhouse effect. (The passage doesn抰 mention anything about locking Co2 into ice artificially.)8. True See para.9： there is no lack of such mechanisms. "If you add their effects together， there is more than enough feedback to make Milankovitch work，"?"The problem now is identifying which mechanisms are at work." This is why scientists like Edwards are not yet ready to give up on the current theory.9. True See the sentences in para.9 (According to Edwards，卙e says. "I can't see any way of testing [Ehrlich's] idea to see where we are in the temperature oscillation.") and para.10 (Ehrlich concedes this. "If there is a way to test this theory on the sun， I can't think of one that is practical)。
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雅思阅读十大场景文章赏析雅思阅读场景赏析举例一．动物类：Polar Bears Listed as ThreatenedPolar bears were added to the list of threatened species and will receive special protection under U.S. law. In his statement, Secretary of the Interior Dirk Kempthorne noted that the decline of Arctic sea ice is the greatest threat to the bears.Polar bears live in the Arctic and hunt seals and other fatty marine mammals from sea ice. They also travel, mate, and sometimes give birth on the ice. But sea ice is melting as the planet warms, and it is predicted to continue to do so for several more decades."Because polar bears are vulnerable to this loss of habitat, they are—in my judgment—likely to become endangered in the foreseeable future," Kempthorne said.Although many scientists say that human activity is directly responsible for the melting sea ice, the new polar bear protections will not change U.S. climate policy.The U.S. classifies the polar bear as a marine mammal, which means that the bear's new threatened status will not stop oil exploration within its habitat. Hunting of polar bears as a food source by certain native people and trade in native handicrafts made from polar bears will also continue. However, importing polar bear products from Canada (where trophy hunting is legal) will be banned.Scott Bergen is a landscape ecologist with the New York-based Wildlife Conservation Society and a contributing author to U.S. Geological Survey studies released in that found two-thirds of the world's polar bears could go extinct by 2050. He and other WCS staff are "almost elated" with the decision, he said."Even though it doesn't directly influence carbon emissions so to speak, we think it is a definite decision in the right direction and we're pleased to see the Fish and Wildlife Service is supporting the best science on this species," he added.Bergen noted that saving the polar bear will depend on international cooperation. Permanent sea-ice habitat is likely to remain in areas outside of the U.S., particularly in Canada and Greenland.Scientists view these areas as refuges that could allow some polar bear populations to survive over the long term and repopulate the Arctic if temperatures decrease and sea ice returns."If you take a long-term view—meaning a hundred-year view into the future," he said, "polar bears' existence is not necessarily totally dependent on what happens in the United States."Polar bears were added to the list of threatened species and will receive special protection under U.S. law. In his statement, Secretary of the Interior Dirk Kempthorne noted that the decline of Arctic sea ice is the greatest threat to the bears.Polar bears live in the Arctic and hunt seals and other fatty marine mammals from sea ice. They also travel, mate, and sometimes give birth on the ice. But sea ice is melting as the planet warms, and it is predicted to continue to do so for several more decades."Because polar bears are vulnerable to this loss of habitat, they are—in my judgment—likely to become endangered in the foreseeable future," Kempthorne said.Although many scientists say that human activity is directly responsible for the melting sea ice, the new polar bear protections will notchange U.S. climate policy.The U.S. classifies the polar bear as a marine mammal, which means that the bear's new threatened status will not stop oil exploration within its habitat. Hunting of polar bears as a food source by certain native people and trade in native handicrafts made from polar bears will also continue. However, importing polar bear products from Canada (where trophy hunting is legal) will be banned.Scott Bergen is a landscape ecologist with the New York-based Wildlife Conservation Society and a contributing author to U.S. Geological Survey studies released in that found two-thirds of the world's polar bears could go extinct by 2050. He and other WCS staff are "almost elated" with the decision, he said."Even though it doesn't directly influence carbon emissions so to speak, we think it is a definitedecision in the right direction and we're pleased to see the Fish and Wildlife Service is supporting the best science on this species," he added.Bergen noted that saving the polar bear will depend on international cooperation. Permanent sea-ice habitat is likely to remain in areas outside of the U.S., particularly in Canada and Greenland.Scientists view these areas as refuges that could allow some polar bear populations to survive over the long term and repopulate the Arctic if temperatures decrease and sea ice returns."If you take a long-term view—meaning a hundred-year view into the future," he said, "polar bears' existence is not necessarily totally dependent on what happens in the United States."READING PASSAGE TOPIC:文章结构。