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11#
发表于 2006-8-9 13:10:24 | 只看该作者
第40篇 NERVE BUILDER  

In the past, spinal-injury victims lost more than mobility--they lost hope too. Wise Young found a revolutionary way to give back both

Dr. Wise Young has never met the hundreds of thousands of people he has helped in the past 10 years, and most of them have never heard of Wise Young. If they did meet him, however, they'd want to shake his hand--and the remarkable thing about that would be the simple fact that so many of them could. All the people Young has helped were victims of spinal injuries, and they owe much of the mobility they have today to his landmark work.

Young, 51, head of the W.M. Keck Center for Collaborative Neuroscience at Rutgers University in New Brunswick, N.J., was born on New Year's Day at the precise midpoint of the 20th century. Back then, the thinking about spinal-cord injury was straightforward: When a cord is damaged, it's damaged. There's nothing that can be done after an injury to restore the function that was so suddenly lost. As a medical student at Stanford University and a neurosurgeon at New York University Medical Center, Young never had much reason to question that received wisdom, but in 1980 he began to have his doubts. Spinal cords, he knew, experience progressive damage after they're injured, including swelling and inflammation, which may worsen the condition of the already damaged tissue. If that secondary insult could be relieved with drugs, might some function be preserved?

Young spent a decade looking into the question, and in 1990 he co-led a landmark study showing that when high doses of a steroid known as methylprednisolone are administered within eight hours of an injury, about 20% of function can be saved. Twenty percent is hardly everything, but it can often be the difference between breathing unassisted or relying on a respirator, walking or spending one's life in a wheelchair. "This discovery led to a revolution in neuroprotective therapy," Young says.

A global revolution, actually. More than 50,000 people around the world suffer spinal injuries each year, and these days, methylprednisolone is the standard treatment in the U.S. and many other countries. But Young is still not satisfied. The drug is an elixir for people who are newly injured, but the relief it offers is only partial, and many spinal-injury victims were hurt before it became available. Young's dream is to help those people too--to restore function already lost--and to that end he is studying drugs and growth factors that could improve conduction in damaged nerves or even prod the development of new ones. To ensure that all the neural researchers around the world pull together, he has created the International Neurotrauma Society, founded the Journal of Neural Trauma and established a website (carecure.rutgers.edu) that receives thousands of hits each day.

"The cure for spinal injury is going to be a combination of therapies," Young says. "It's the most collaborative field I know." Perhaps. But increasingly it seems that if the collaborators had a field general, his name would be Wise Young.

注(1):本文选自Time;8/20/2001, p54;
注(2):本文习题命题模仿对象2004年真题text 3;

1.       By “the remarkable thing about that would be the simple fact that so many of them could”(Line three, Paragraph 1), the author means_______________.

[A] The remarkable thing is actually the simple fact.
[B] Many people could do the remarkable things.
[C] When meeting him, many people could do the simple but remarkable thing.
[D] The remarkable thing lies in the simple fact that so many people could shake hands with him.

2.       How did people think of the spinal-cord injury at the middle of 20th century?

[A] pessimistic
[B] optimistic
[C] confused
[D] carefree

3.       By saying “Twenty percent is hardly everything”(Line 3, Paragraph 3), the author is talking about_____________.

[A] the drug
[B] the function of the injured body  
[C] the function of the drug
[D] the injury

4.       Why was Young unsatisfied with his achievement?

[A] The drug cannot help the people who had spinal injury in the past.  
[B] His treatment is standard.
[C] The drug only offers help to a small number of people.
[D] The drug only treats some parts of the injury.

5.       To which of the following statements is the author likely to agree?

[A] Wise Young does not meet many people.  
[B] When Young was young, he did not have much reason to ask questions.
[C] If there needs a head of the spinal-injured field, Young might be the right person.
[D] Young’s dream is only to help the persons who were injured at early times.

答案:D A B A C

篇章剖析
本文采用先总括说明,再具体阐述的方法,介绍了杨咏威在治疗脊柱损伤这一领域的贡献。第一段概括了杨咏威对很多遭受脊柱损伤人的帮助;第二段介绍杨咏威如何是对这一领域产生兴趣的;接着第三段描述了杨已经取得的研究成果;从第四段中,我们知道杨对已有的成果并不满足,呼吁这一领域的研究工作者共同努力,进一步探讨这个问题;第五段总括全文,说明杨是这个领域的带头人。

词汇注释

spinal: [spaInl] adj. 脊柱的,有关脊柱的
straightforward [streit5fC:wEd] adj. 坦率的, 易懂的, 直接了当的
swelling  [5sweliN]n. 肿胀,肿大
inflammation [7inflE5meiFEn] n. [医]炎症, 发炎
preserve [pri5zE:v] vt.保护, 保持, 保存
steroid [5stiErCid]  n.[生化]类固醇
methylprednisolone  [9meWIlpred`nIsElEJn]n. [药]甲强龙,甲基强的松龙, ,6-甲氢化泼尼松
administer  [Ed5mInIstE(r)] v.  服用,给予作为治疗或药物使用
neuroscience [7njuErEu5saiEns] n.神经系统科学( 指神经病学、 神经化学等)
respirator [5respEreitE]  n.呼吸器
elixir  [I5lIksE(r)]  n. 仙丹妙药, 长生不老药 (= elixir of life)
prod [prRd]  vt., vi.刺,戳, 督促;推动
trauma [5trC:mE] n.[医] 外伤, 损伤  
collaborative [kE`lAbEreItIv]  adj.合作的, 协作的, 协力完成的
Rutger University 路特格斯大学
W.M. Keck Center  凯克神经科学研究中心
New Brunswick 新布伦瑞克市  (美国大西洋沿岸一城市)

难句突破

1. Young spent a decade looking into the question, and in 1990 he co-led a landmark study showing that when high doses of a steroid known as methylprednisolone are administered within eight hours of an injury, about 20% of function can be saved.(Line 1-3,Paragraph 3)

主体句式:Young spent a deacade...and he co-led a study
结构分析:这是个复杂句,Young spent a decade looking into the question, and in 1990 he co-led a landmark study是两个并列句,showing引导的句子是现在分词, 修饰study,showing引导的宾语从句又是个复合句,“when high…., about 20% of …当大剂量的…,20%的功能会恢复”。Known as methylprednisolone是过去分词短语,作steroid的后置定语。
句子译文:杨咏威花了10年时间钻研这个问题。1990年,他与同仁一起发起了一次具有里程碑意义的调查研究,发现在脊椎受伤8小时内给予高剂量的甲基类固醇,即人们所知的甲强龙,就能够保全伤者20%左右的神经功能,

2. Young's dream is to help those people too--to restore function already lost--and to that end he is studying drugs and growth factors that could improve conduction in damaged nerves or even prod the development of new ones.

主体句式:Young’s dream is to help…to restore…and he is studying drugs and growth factors。这依然是个复杂句,Young's dream is to help those people和and to that end he is studying drugs and growth factors… 是并列句。 “to restore function already lost” 是help的目的状语,“that could improve conduction in damaged nerves or even prod the development of new ones.”是“growth factors”的 定语从句。

句子译文:杨的梦想就是也要帮助这些人,帮助他们恢复已经失去的功能,为了这个目的,他正在研究药物和能改善损伤神经传导功用,甚至促进新的神经生成的生长要素。

题目分析

1. 答案是D,属推理判断题。文中第一段讲到如果人们能够碰到杨咏威,他们就想和他握手,这么多神经受到损伤的人能够和他握手,事虽简单,却意义非凡。

2. 答案是A,属推理判断题。文中第二段讲到,当时,人们对脊髓损伤的观念是很直接的,认为脊椎一旦受到伤害,身体突然失去的功能一辈子都不可能恢复。由此可见,人们对此很悲观。

3. 答案是B,属推理判断题。 文中第三段讲到,杨发现在脊椎受伤8小时内给予高剂量的甲基类固醇,就能够保全伤者20%左右的神经功能,20%的功用并不能代表一切,但却让许多伤者可以自行呼吸,不必依靠呼吸器;或让伤者保持行走能力,不必终生坐轮椅。所以指的是受损的神经功能。

4.答案是A,属推理判断题。文中第四段讲到,这种药对那些刚受伤的人来说是灵丹妙药,但对以前脊柱受伤的人们却无能为力,所以杨对此并不满意。

5.答案是C,属事实细节题。可在第一,第二,第四,第五段找到相应的句子。

参考译文

过去十年,杨咏威大夫曾帮助过数以万计的人们,但他从来也没有见过这些人,然而,如果他们一旦遇到他,就会和他握手,此中的意义就在于这么一个简单的事实--- 他们能够取和人握手。 杨咏威帮助的人都是损伤脊柱的患者。他们现在能够活动应归功于杨咏威卓越的工作。

杨咏威,51岁,是新泽西布伦瑞克市路特格斯大学凯克神经科学研究中心的主任,他出生在20世纪中期,刚巧就在1950年的大年初一。在当时,对于脊椎神经损伤的观点很直接,脊椎一旦受到伤害,身体突然失去的功能一辈子都不可能恢复。在斯坦福大学读医或在纽约大学医药中心当神经外科医生时,杨咏威从未对这一传统观念提出质疑,但是在1980年他开始对此有了疑虑,他知道脊椎神经在受损后会受到进一步的伤害,包括肿胀和发炎,这样会更加恶化现在的受损组织,如果后期的伤害能用药物缓解的话,肢体的一些功能会不会就保留下来了呢?

杨咏威花了十年的时间研究这个问题,1990年他和别人合作进行了一项意义非凡的研究,这个研究表明,在脊椎受伤8小时内给予大剂量的甲基类固醇,能够保全伤者20%左右的神经功能,虽然20%的功用并不能代表一切,却能让许多伤者可以自行呼吸,不必依靠呼吸器;或让伤者保持行走能力,不必终生坐轮椅。杨咏威说,这一发现在保护神经治疗上引起了一场革命。

事实上,这是一次全球性的革命。世界上每年有五万多人脊椎神经受损,现在注射甲基类固醇已成为美国和其他国家最标准的治疗方法。但杨咏威对此并不满足,因为这种药物对刚受伤的人来说,是一种灵丹妙药,但是它提供的治疗很有局限。很多人在药物发明之前就已经脊柱受损了,杨咏威的愿望就是也要帮助这些人,帮他们恢复已经失去的功能。为了这一目的,他正在研究一些药物和可以提高受损神经活力、甚至能够促进新神经生成的因素,为确保全世界神经研究工作者能同心协力,他建立了国际神经损伤协会,创办了《神经损伤》杂志(carecure.Rutgers.edu)网站,这个网站日点击率数以万计。

杨咏威说,治愈脊柱损伤将是各种疗法的互相协作,这是我所知道的最需要合作的领域,但人们好像已逐步明白,如果这些研究者们需要一个学术带头人的话,那么他一定是杨咏威。
12#
发表于 2006-8-9 13:18:40 | 只看该作者
第41篇 MOON OVER EUGENIA

--------------------------------------------------------------------------------

时间: 2006年03月29日 11:36    作者:教学管理部 印建坤    来源:新东方教育科技集团总公司


MOON OVER EUGENIA  

Say this for the structure of the universe: it does tend to repeat itself. Stars orbit the pivot point at the center of galaxies, planets in turn orbit stars, and moons in turn orbit planets. Last week astronomers writing in the journal Nature announced that this cosmic reductionism goes even further. For the first time, ground-based telescopes spotted a tiny moonlet orbiting a mere asteroid in Earth's own solar system.

In most respects the asteroid that's causing the celestial stir is nothing remarkable. Known to astronomers as Eugenia, it measures about 133 miles across and is one of thousands of bits of cosmic flotsam in the great rubble stream between Mars and Jupiter. When an international team of astronomers working at the Canada-France-Hawaii Telescope (CFHT) on Mauna Kea in Hawaii turned their attention toward Eugenia one evening last fall, however, they spotted something curious. Off on the upper-left corner of the fuzzy-looking image was another smear of light they couldn't identify. "These blobs are often artifacts of the optics," says astronomer William Merline, head of the team, "but this blob hung around. Once we saw it was moving in a pattern consistent with an orbit, we knew it was a satellite."

The Hawaii discovery did not mark the first time a moonlet had been found around an asteroid. In 1993 the Galileo spacecraft sped past the 20-mile-wide asteroid Ida and spotted a scrap of moon just under a mile wide circling it. But the only way Galileo could detect the tiny target was to fly there across many millions of miles of space and do its exploring up close. Now, thanks to new optics in the CFHT, it's possible to search for moonlets from the comfortable perch of a faraway Earth.

Light streaming in from space tends to get distorted by the planet's atmosphere, causing a star's familiar twinkle. The CFHT, however, is equipped with optical hardware that lets it calibrate itself on the light from a known star--whose degree of atmospheric distortion will generally be predictable--and then use that information to correct the distortion of other, unknown bodies. A little fiddling with the incoming image and even the blurriest picture snaps right into focus.

Already the discovery of the moonlet is paying scientific dividends. By analyzing the orbit of the satellite, astronomers are drawing surprising inferences about the composition of Eugenia itself. Most asteroids are thought to be about three times as dense as water, but Eugenia is barely 20% denser, suggesting it either is made of loosely packed rubble or is rich in ordinary ice. Further analysis could help settle the question, and more discoveries of more moonlets could shed similar light on Eugenia's asteroid-belt sisters.

注(1):本文选自 Time,10/18/99, p83;
注(2):本文习题命题模仿对象2004年真题text 3;

1.       By saying “it does tend to repeat itself”, the author means ___________.

[A] the structure of the universe always appears again and again
[B] the universe itself is liable to repeat
[C] the stars in the universe always orbit the pivot point at the center of the galaxies
[D] the structure of celestial bodies in the universe are really always similar

2.       By “the fuzzy-looking image”,(Line 6,Paragraph 2)the author is actually referring

to______.

[A] Eugenia  
[B] a artifact
[C] a satellite  
[D] the orbit

3.       How do people think of the new optics at the GFHT?

[A] comfortable
[B] helpful
[C] thankful
[D] faraway

4.       Why can little fiddling with the incoming image and even the blurriest picture snap right into focus?

[A] The optical hardware makes this possible.
[B] The stars’ twinkle helps a lot.
[C] The atmospheric distortion gives help.
[D] The information from unknown stars can be used.

5.       Which of the following is true according to the passage?

[A] The discovery of moonlet is paying money now.
[B] More discoveries of more moonlets could give light to other similar asteroids.
[C] The Eugenia is not as dense as most asteroids.
[D] Eugenia is certainly made of small rubbles.

答案:D A B A C

篇章剖析

本篇主要通过对尤金尼亚小行星发现来龙去脉的叙述,介绍宇宙中的小行星和小卫星研究的意义。第一段介绍宇宙的结构和小行星在宇宙结构中的地位;第二段叙述了人们发现小行星尤金尼亚的过程;第三段讲述在发现龙金尼亚之前,伽利略号宇宙飞船曾发现小行星;第四段介绍夏威夷加法夏天文台观测小行星的设备;最后一段介绍了发现小卫星对科学发展的贡献。

词汇注释

pivot [5pivEt]  n.枢轴, 支点,
galaxy [5^AlEksi]   n.星系, 银河
Eugenia [ju:5dVi: njE]  n.尤金尼亚 是一颗拥有卫星的小行星
asteroid [5AstErCid] n.[天文]小游星, 小行星
reductionism  [ri5dQkFEnizm] n.简化论  简化论用相对简单的原理解释复杂现象或结构的企图或趋势,这种理论认为生命过程或思维活动是遵循物理和化学法则的
celestial [si5lestjEl]   adj.天体的
flotsam [5flCtsEm]   n.浮货, 废料, 零碎物
CFHT   加法夏天文台
fuzzy  [5fQzi]  adj.模糊的, 失真的
optics [5Cptiks]   n.光学
consistent [kEn5sIst(E)nt]   adj.一贯的;始终如一的
calibrate  [5kAlibreit]  vt. 校准[正], 检查[验], 定标, 标定
distortion [dis5tC:FEn]   n.扭曲, 变形
fiddling  [5fIdlIN] adj.无足轻重的;无聊的;极小的
dividend  [5dividend] n. 股息, 红利, 奖金, 年息
shed light on 使某事显得非常清楚

难句突破

1.       Off on the upper-left corner of the fuzzy-looking image was another smear of light they couldn't identify.
本句主体句式为:another smear of light was off on ….。这是一个倒装句,因为介词短语off on the upper-left corner of the fuzzy-looking image前置,系动词was提前,本句的意思:在这个模糊不清的影像的左上角的上面,看到了另外一片他们无法辨别的模糊的光团。

2.       The CFHT, however, is equipped with optical hardware that lets it calibrate itself on the light from a known star--whose degree of atmospheric distortion will generally be predictable--and then use that information to correct the distortion of other, unknown bodies.

主体句式:The CFHT is equipped…
结构分析:这是一个复杂句,主句是The CFHT is equipped with optical hardware;that 引导的是optical hardware定语从句,而这一定语从句中又包含了另一个定语从句whose degree of atmospheric distortion will generally be predictable和一个并列句-and then use that information to correct the distortion of other, unknown bodies.
句子译文:然而,加法夏天文台配备了一组光学设备可以帮助它对准来自已知恒星的光团,(已知恒星的大气折射一般是可以预测的),然后再利用这一信息,来校正一些未知星球的折射。

题目分析

1.        答案是D,属推理判断题。文中先谈的就是宇宙结构,后面又说到恒星围绕着银河的轴心旋转,行星反而围绕着恒星转,卫星围绕着行星转动, 可见,天体的结构是相似的。

2.       答案是A,属推理判断题。文中讲到,去年秋天的一个晚上,当他们开始关注尤金尼亚时,发现了一些奇妙的东西。在这个模糊不清影像右上角的上面,看到了另外一片他们无法辨别的模糊的光团。故这个影像就是指尤金尼亚。

3.       答案是B,属推理判断题。文中讲到,多亏了CFHT的新的光学仪器,人们才可以在
这个距离太空很远的地球上,找一个舒适的地方来研究小行星了。所以说这个仪器是有帮助的。

4.       答案是A,属推理判断题,因为有了光学仪器,才有可能对准已知的恒星的光,而已知恒星的大气折射一般是可以预测的,所以人们再利用这一信息,来校正一些未知星球的折射。这样一个极小的刚进入视野的影像,甚至最模糊的画面也被拍摄得很清晰了。所以说,这一切都是因为有了光学仪器。

5.       答案是C,属细节判断题。 主要是对第五段中几个句子的理解。参考译文很容易找到答案。

参考译文:

有人这样形容宇宙的结构:它的确往往自我重复。恒星围绕着星系轴心转,行星围绕着恒星转,卫星围绕着行星转。上个星期,天文学家在《自然》杂志上宣称,宇宙简化论将进一步扩展。地面上的天文望远镜首次观察到的地球本身所在的太阳系中,一颗小卫星正围绕着一个小行星旋转。

在很多时候,引起太空变化的小行星并没有引起人们的关注。天文学家所熟知的尤金尼亚,直径大约为133英里,是火星与土星之间巨大碎石流中数千颗宇宙碎片中的一块。去年秋天的一个晚上,在夏威夷昌纳开亚山加法夏天文台工作的国际天文学家们把目光投向尤金尼亚时,他们发现了一些奇妙的东西。在这个模糊影像右上角的上面,看到了另外一片他们无法辨别的模糊的光团。队长威廉•莫林说:一般来说光团光学现象,但这个光团却并没有散开。有一次,我们发现它是在沿着一个轨道连续不断的移动,我们才知道这是颗卫星。

在夏威夷的这次发现并不是首次记录小行星周围出现小卫星。在1993年,伽利略号宇宙飞船快速通过20英里宽的爱达小行星时,发现一块像月亮般发光的物体正在一英里远的地方围绕着它旋转。当时,伽利略号探测这个微小物体的唯一途径,就是飞越茫茫太空靠近它来观察。现在,依靠加法夏天文台新的光学仪器,人们可以在这个距离太空很远的地球上,在一个舒适的地方来研究小行星了。

来自太空的光流很容易被恒星周围的大气所折射,这就导致了我们所熟悉的星星的闪烁。然而,加法夏天文台配备了一组光学设备可以帮助它对准来自已知恒星的光团,(已知恒星的大气折射一般是可以预测的),然后再利用这一信息,来校正一些未知星球的折射。一个极小的刚进入视野的影像,甚至最模糊的画面也被拍摄得很清晰。

小卫星的发现已经给科学的发展带来了益处,通过分析卫星的轨道天文学家得出了一个关于尤金尼亚成分的惊人的推论,他们认为,许多小行星的密度是水的三倍,但尤金尼亚比水的密度高出不到20%。这么低的密度,代表尤金尼亚可能是一个松散的乱石堆,或者是由冰和少量石材组成的小行星。进一步的研究将有助于解决这个问题。对更多小行星的进一步研究,将会使尤金尼亚所在行星带上的其他小行星更清楚的展示给人们。
13#
 楼主| 发表于 2006-8-10 21:20:04 | 只看该作者
自己顶一个,让更多的人得看到
14#
发表于 2006-8-11 10:58:07 | 只看该作者
好东东  谢谢阿!好人啊
15#
发表于 2006-8-12 23:02:41 | 只看该作者
谢谢楼主,辛苦啦
16#
发表于 2006-8-14 17:53:28 | 只看该作者
很好的东西哦,怎么没人支持下呢?
17#
发表于 2006-8-14 17:56:45 | 只看该作者
不错!!!!
大家一起来排排!!!!!
18#
发表于 2006-8-14 18:40:13 | 只看该作者
多谢楼主了
TOP考研论坛 - http://bbs.topkaoyan.net
TOP考研论坛 - http://bbs.topkaoyan.net
19#
发表于 2006-8-15 12:18:49 | 只看该作者
辛苦了楼主!!!!!!
20#
发表于 2006-8-15 12:24:50 | 只看该作者
强烈支持!!!!!!!!!!!!!
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