职称英语考试理工B阅读理解

职称英语考试理工B阅读理解
职称英语考试理工B阅读理解

17.A Sunshade for the Planet

Even with the best will1 in the world, reducing our carbon emissions is not going prevent global warming. It has become clear that even if we take the most strong measures to control emissions, the uncertainties in our climate models still leave open the possibility of extreme warming and rises in sea level. At the same time, resistance by governments and special interest groups makes it quite possible that the actions suggested by climate scientists might not be implemented soon enough.

Fortunately, if the worst comes to the worst2, scientists still have a few tricks up their sleeves3. For the most part they have strongly resisted discussing these options for fear of inviting a sense of complacency that might thwart efforts to tackle the root of the problem. Until now, that is. A growing number of researchers are taking a fresh look at large-scale “geoengineering” projects that might be used to coun teract global warming. “I use the analogy of methadone4,” says Stephen Schneider, a climate researcher at Stanford University in California who was among the first to draw attention to global warming. “If you have a heroin addict, the correct treatment is hospitalization, and a long rehab. But if they absolutely refuse, methadone is better than heroin.

Basically the idea is to apply “sunscreen” to the whole planet.

One astronomer has come up with a radical plan to cool Earth: launch trillions of feather-light discs into space, where they would form a vast cloud that would block the sun’s rays. It’s controversial, but recent studies suggest there are ways to deflect just enough of the sunlight reaching the Earth’s surface to counteract the warming produced by the greenhouse effect. Global climate models show that blocking just 1. 8 per cent of the incident energy in the sun’s rays would cancel out the warming effects produced by a doubling of greenhouse gases in the atmosphere. That could be crucial, because even the most severe emissions-control measures being proposed would leave us with a doubling of carbon dioxide by the end of this century, and that would last for at least a century more.

注释:

1. the best will:最好的愿望

2. if the worst comes to the worst:如果最最糟糕的事情发生了。这是英式英语的用法,在美式英语中它说成if worst comes to worst。在不同的语境中,有不同的译法。如: “If the worst comes to the worst,” Becky thought,“my retreat is secure; and I have the right-hand seat in the barouche.”蓓基想道:“逼到最后一条路,逃难是不怕的了,在他的大马车里,我险稳地有一个位了。”又如: If the worst comes to the worst,we’ll sell the car.大不了我们把车卖了。

3. scientists still have a few tricks up their sleeves:科学家们仍

然有些不为人所知的招数。have something up one’s sleeve是英语成语,意思是: to have a secret idea or plan,有锦囊妙计,有所保留的,秘而不宣的谋略或计划,例如: If this trip doesn’t work out I've still got a few ideas up my sleeve.

4. methadone:美沙酮,一种有效的合成麻醉药,它不像吗啡或海洛因那样容易让人上瘾,在戒毒治疗中被用作这些毒品的替代品。练习:

1. According to the first two paragraphs,the author thinks that

A strong measures have been taken by the government to prevent global warming.

B to reduce carbon emissions is an impossible mission.

C despite the difficulty, scientists have some options to prevent global warming.

D actions suggested by scientists will never he realized.

2. Scientists resist talking about their options because they don’t want people to A know what they are doing. B feel their efforts are useless C think the problem has been solved. D see the real problem.

3. What does Stephen Schneider say about a heroin addict and methadone?A Methadone is an effective way to treat a hard heroin addict. B Methadone is not a correct way to treat a heroin addict. C Hospitalization together with methadone can work effectively with a heroin addict. D Methadone and heroin arc

equally effective in treating a heroin addict.

4. What is Stephen Schneider’s idea of preventing global warming? A To ask governments to take stronger measures. B To increase the sunlight reaching the Earth. C To apply sunscreen to the Earth. D To decrease greenhouse gases.

5. What is NOT true of the effect iveness of “sunscreen”, according to the last paragraph? A It deflects sunlight reaching the Earth to counteract the warming. B It blocks the incident energy in the sun’s rays. C It is a controversial method. D It decreases greenhouse gases in the atmosphere.

答案与题解:

1. C 短文第一段讲了防止地球变暖是一项艰巨的任务,第二段说,尽管如此,科学家还是有些办法,所以C是正确选择。A是错误选择,因为作者认为政府和一些利益集团阻碍了科学家所倡导的行动的实施;B不是作者的观点;D也不是正确选择,因为第一段的最后一句“ might not be implemented soon enough”并不表明永远不能实现。

2. C 文章的第二段说,即使最糟糕的情况发生,科学家还是有几招的。但他们不希望讨论他们的招数,因为恐怕人们不再有危机感而削弱彻底解决问题的努力。所以C是正确选择。

3. A文章的第二段Stephen Schneider教授将自己解决地球变暖问题的办法比作美沙酮。因为在瘾君子拒绝正常住院治疗时,服用

美沙酮是一种缓解海洛因毒瘾的有效方法。所以A是正确的选择。

4. C文章最后一段的第一个句子提供的答案。

5. D 短文最后一段描述了“ sunscreen”如何解决地球变暖问题。尽管有争议,但是研究证明,“太阳屏”能反射和阻碍阳光,起到抵消由温室效应引起的地球升温。昀后一段的第三和第四句是理解这个问题的关键。D不是文章所表达的内容,所以是正确答案。

译文:

地球防晒霜

就算怀着最美好的愿望,仅仅减少二氧化碳的排放量还是不能制止全球变暖。很明显,即便采取最强硬的措施来控制排放,气候的变化无常仍能导致极速变暖和海平面上升。另一方面,受到政府和特殊利益群体的阻挠,气候学家往往不能将措施很快实施彻底。’幸好,如果被逼上绝路,科学家们还有最后几招。在大多数情况下,他们拒绝讨论这些施,害怕人们会因此沾沾门喜而使这个问题不能被彻底解决。至少目前是这样。越来越多的研究者相信一项大型的地质丁程建设可用来抵御全球变暖。斯坦福大学的一位气象学家Stephen Schneider最早提出气候变暖这项议题的学者之一。他说:“我把它比作美沙酮。如果你那里有一个海洛因瘾者,那么正确的治疗方法就是住院,接受长时间的康复治疗。拒绝正常住院治疗,那服用美沙酮是一种缓解海洛因毒瘾的有效方法。”

总体思路是给地球也涂上防晒霜。一个天文学家突发奇想,想

借此冷却地球:发射亿万轻如羽毛的碟片进入太空形成巨大“云层”以阻碍太阳光。这个想法备受争议,但最近的研究表明,有—些方法可以控制到达地球表面的阳光以抵消温室效应产生的气候变暖。全球气候模型表明,阻断百之一点八的太阳能刚好可以抵消大气中双倍的温室气体所引起的气候变暖现象。这个想法影响深远,因为即使采取最严格的控制气体排放措施,到本世纪末,二氧化碳量仍会翻倍。并且这种情况将再持续至少一个世纪。

18 Thirst for Oil

Worldwide every day, we devour the energy equivalent of about 200 million barrels of oil. Most of the energy on Earth comes from the Sun. In fact enough energy from the Sun hits the planet’s surface each minute to cover our needs for an entire year, we just need to find an efficient way to use it. So far the energy in oil has been cheaper and easier to get at. But as supplies dwindle, this will change, and we will need to cure our addiction to oil.

Burning wood satisfied most energy needs until the steam-driven industrial revolution, when energy-dense coal became the fuel of choice. Coal is still used, mostly in power stations, to cover one quarter of our energy needs, but its use has

been declining since we started pumping up oil. Coal is the least efficient, unhealthiest and most environmentally damaging fossil fuel, but could make a comeback, as supplies are still plentiful: its reserves are five times larger than oil’s.

Today petroleum, a mineral oil obtained from below the surface of the Earth and used to produce petrol, diesel oil and various other chemical substa nces, provides around 40% of the world’s energy needs, mostly fuelling automobiles. The US consumes n quarter of all oil, and generates a similar proportion of greenhouse gas emissions.

The majority of oil comes from the Middle East, which has half of known reserves. But other significant sources include Russia, North America, Norway, Venezuela and the North Sea. Alaska’s Arctic National Wildlife Refuge1 could be a major new US source, to reduce reliance on foreign imports.

Most experts predict we will exhaust easily accessible reserves within 50 years, though opinions and estimates vary. We could fast reach an energy crisis in the next few decades, when demand exceeds supply. As conventional reserves become more difficult to access, others such as oil shales and tar sands may be used instead. Petrol could also be obtained from coal.

Since we started using fossil fuels, we have released 400

billion tonnes2 of carbon, and burning the entire reserves could eventually raise world temperatures by 130 C. Among other horrors, this would result in the destruction of all rainforests and the melting of all Arctic ice.

注释:

1. Alaska's Arctic National Wildlife Refuge:美国阿拉斯加北极国家野生动物保护区。2001年,美国众议院通过了一项基于布什提出的在那里进行石油开采的议案。该议案遭到环境保护主义组织的反对。因此,目前在该区禁止开采石油。

2. tonne:公吨(= 1,000公斤〉。不同于ton。ton:在美国等于二千磅(=0.907公吨),所以称作short ton:短吨。练习:

1. “… we will need to cure our addiction to oil.”Why does the author say so? A Most of the energy on Earth comes from the Sun.

B Oil supply is increasing all the time.

C Demand for oil is increasing all the time.

D Oil supply is decreasing.

2. Which of the following statements is NOT meant by the author, according to the second paragraph? A Wood was the fuel of choice before coal. B The use of coal is declining. C Coal is the most environmentally unfriendly fuel next to oil. D Coal reserves are plentiful and will be likely to become the major fuel of choice.

3. Which country is the biggest consumer of petroleum? A The United States. B Russia. C Norway. D Venezuela.

4. What do exp erts say about the earth’s fuel reserves? A The earth’s fuel reserves will be accessible for the next 50 years. B There will soon be an energy crisis. C Conventional reserves will soon become inaccessible. D Fuel demand will decline.

5. What is NOT the result of consuming fossil fuels according to the last paragraph? A Rainforests will be destroyed. B Arctic ice will be melted. C The earth’s temperature will be raised. D The sea level will go up.

答案与题解:

1. D 答案在第一段昀后一句中。这里的supplies指oil supplies。

2. C短文的第二段告诉我们,木材曾经是主要燃料来源,然后被煤所替代;自人们开始采油后,对煤的需求下降了,但因为媒的储量远大于石油,它可能又会成为主要燃料,尽管它对环境昀具破坏力。所以A、B、D均是作者的意思,而C不是。next to oil除石油以外。

3. A文章的第三段说,美国消耗全世界四分之一的石油。

4. B答案在第五段第二句中。该段第一句说,地球上的燃料储量将在50年内耗尽,所以A不是正确选择;第三句的意思是,常规燃料的获取将变得困难,而不是不可获得,所以C也不是正确选择;

D明显不是作者的意思。

5. D 选项A、B、C都是昀后一段中所表达的意思。所以D是正确选择。

译文:

石油匮乏

全世界每天都要消耗相当于亿桶石油的能源。地球上的大部分能源来自于太阳。事实上,每分钟到达地球表层的来自于太阳的能源就足已满足我们一整年的需求,我们只是需要有效地加以利用而已。到目前为止,石油一直是一种较便宜、易获得的能源。但当供应缩减时,情况就会改变,我们就不能像现在这样不加节制地消耗石油了。

在蒸汽工业命时代,高能煤成为首选燃料之前,燃木能满足大部分能源需求。现在,煤仍然大量地运用于发电站,满足我们四分之一的能源需求。但自从我们开始大量开采石油后,煤的使用就已经在逐渐衰退。煤是使用效率最低、最不健康、最不环保的化石燃料,但因其供应充足——煤的储量是石油的6倍,煤的使用量又有所回升。

今天,石油作为一种从地表层挖掘出,用于生产汽油、柴油和其他各种化学物质的矿物油,供应着大约40%的世界能源需求,其中大部分用于供给机动车辆;美国消耗着世界四分之一的石油,同时排放出大约全球1/4的温室气体。

大部分的石油来自中东,牛东拥有50%的世界已勘探石油储存量。其他的石油产地包括俄罗斯、北美、挪威、委内瑞拉和北海。阿拉斯加北极国家野生动物保护区最新成为美国能源的又一主要供应地,减少了美国对国外进口石油的依赖。

尽管意见和评价各有不同,但大多数专家预测人类将在50年之

内轻而易举地耗尽现行的所有储备石油。未来的几十年,当供不应求时我们会很快陷入能源危机。当常规能源不容易获得时,代之使用的可能是诸如油页岩和沥青砂等能源。石油也可从煤中提炼获得。

自从我们开始使用化石燃料,我们已经释放出4000亿吨碳。当化石燃料全部用完时,世界温度将上升13摄氏度。更恐怖的是,这将会导致所有热带雨林的破坏和北极冰的溶解。

第二十四篇Underground Coal Fires — a Looming Catastrophe

1

Coal burning deep underground in China,India and Indonesia is threatening the environment and human life, scientists have warned.2 These large-scale underground blazes cause the ground temperature to heat up and kill surrounding vegetation, produce greenhouse gases and can even ignite forest fires, a panel3 of scientists told the annual meeting of the American Association for the Advancement of Science in Denver4. The resulting release of poisonous elements like arsenic and mercury can also pollute local water sources and soils, they warned. “Coal fires are a global catastrophe,” said Associate Professor Glenn Stracher of East Georgia College in Swainsboro , USA. But surprisingly few people know about them. Coal can heat up on its own5, and eventually catch fire and burn, if there is a continuous oxygen supply. The heat produced is not caused to disappear and under the right combinations of sunlight and

oxygen, can trigger spontaneous6catching fire and burning. This can occur underground, in coal stockpiles7, abandoned mines or even as coal is transported. Such fires in China consume8 up to9 200 million tones of coal per year, delegates were told. In comparison, the U. S. economy consumes about one billion tones of coal annually, said Stracher, whose analysis of the likely impact of coal fires has been accepted for publication in the International journal of Coal Ecology. Once underway,10coal fires can burn for decades, even centuries. In the process, they release large volumes of greenhouse gases, poisonous fumes and black particles into the atmosphere.

The members of the panel discussed the impact these fires may be having on global and regional climate change, and agreed that the underground nature of the fires makes them difficult to detect. One of the members of the panel, Assistant Professor Paul Van Dijk of the International Institute for Geo-Information Science and Earth Observation in the Netherlands, has been working with the Chinese government to detect and monitor fires in the northern regions of the country.

Ultimately, the remote sensing and other techniques should allow scientists to estimate how much carbon dioxide these fires are emitting. One suggested method of containing11 the fires was presented by Gary Colaizzi, of the engineering firm Goodson, which has developed a

beat-resistant grout (a thin mortar12 used to fill cracks and crevices) , which is designed to be pumped into the coal fire to cut off13 the oxygen supply. 词汇: loom / lu:m /v.迫近fume / fju:m /n.烟,气,汽greenhouse / 5^ri:nhaus /n.温室soot / sut /n.煤烟,油烟arsenic / 5B:sEnik /n.砷carbon dioxide二氧化碳underway / 5QndE5wei /adj.在进行中的grout / ^raut /n.灰浆,水泥浆crevice/ 5krevis /n.裂缝. 注释: 1. looming catastrophe: loom意为“to seem imminent; to impend”(看似即将发生;迫近)。looming catastrophe: 即将来临的灾难。

2. Coal burning deep underground in China, India and Indonesia is threatening the environment and human life, scientists have warned:句子的前半句Coal burning deep …is threatening the environment and human life, 是后半句scientists have warned的宾语。正常语序是: Scientists have warned that coal burning deep underground in China, India and Indonesia is threatening the environment and human life.同段第二句、第三句都是这种结构。

3. a panel:意为“a group of people gathered to plan or discuss an issue” (专门小组,聚在一起策划或讨论一个问题的一群人)。

4. Denver:丹佛,美国科罗拉多州首府和昀大的城市,位于该州中北部。

5. on its own:意为“ independent or outside help (独立于外来的帮助)。

6. spontaneous:意为“ happening or arising without ap parent external cause”(自然产生的,非由显然的外力诱发或产生的)。

7. coal stockpiles:煤堆

8. consume:意为“to destroy totally”(毁灭)。下面一句中的consume,意为“ use up” (消耗,花费)。

9. up to:相当于

10. Once underway…:一旦燃烧起来……;underway:正在进行(工作)中的。

11. contain:意为“to hold or keep within limits” (抑制,控制)。

12. thin mortar:稀砂浆,稀灰浆

13. cut off:切断,隔绝练习:

1. According to the first paragraph, one or the warnings given by the scientists is that A underground fire loom large in the forests. B coal burning deep underground is round in China. C poisonous elements released by the underground fires can pollute water sources. D arsenic and mercury arc the most poisonous elements to water sources.

2. According to the third paragraph, what will happen when the underground heat does not disappear? A Coal heats up on its own and catches fire and burns. B The underground oxygen will be used up. C Poisonous fumes and greenhouse gases will be accumulated underground. D There will be an increase of abandoned mines.

3. What did Stracher analyze in his article published in the International

Journal of Coat Ecology? A Annual consumption of coal in US. B Annual consumption of coal in China. C How long coal fires has lasted in the northern region of China. D Coal fires can have an impact on the environment.

4. Which of the following statements about Paul Van Dijk is NOT true? A He was one of the scientists who have warned against the threats of underground fires. B He has detected and monitored underground fires in the Netherlands. C He has worked with the Chinese government on the underground fires issue. D He works for a research institute in the Netherlands.

5. According to the fifth paragraph, what is the suggested method to control underground fires? A Using remote sensing technique. B Controlling the release of carbon dioxide. C Making the soil heat resistant. D Cutting off the oxygen supply.

答案与题解:

1. C 第一段昀后一句提供了答案。A是错误的选项,因为第一段第二句只是说: These large-scale underground blazes …can even ignite forest fires.而不是在森林中越演越烈。B只是事实陈述,而不是警告。D在文中未提到,因此也不是答案。

2. A第三段第一句和第二句提供了答案。B、C、D文章中都没有提到,而且内容也不合常理。

3. D第三段中的句子:…Stracher, whose analysis of the likely impact of coal fires has been accepted for publication in the International Journal of Coal Ecology是问题的答案。

4. B Paul Van Dijk是One of the members of the panel; the panel指第一段中提到的a panel of scientists。第四段的昀后一句告诉我们,他是荷兰一家研究所的教授,一在中国的北方地区帮助中国政府观察并控制燃煤发热引起的地下火,所以A、C、D都是关于Paul Van Dijk的正确描述,所以,B是答案。

5. D A是错误的选项,因为Using remote sensing techniques是estimate how much carbon dioxide these fires are emitting的方法,而不是控制地下火的技术。该段中没有提到B、C的内容。从句which is designed to be pumped into the coal fire to cut off the oxygen supply中的which指a heat-resistant grout.将它注入地下可切断氧气供给,达到控制地下火燃烧的目的。所以,D是答案。

第二十四篇地下煤着火——即将来临的灾难

科学家们警告说,中国、印度和印度尼西亚的地下煤矿着火将严重威胁自然环境和人身安全。在丹佛举行的美国科学促进协会的会议上,一个专家小组的科学家们表示,大规模的地下大火将会提高地面温度,烧死周围的植物,由此产生的气体将会导致温室效应,甚至有可能引起森林大火。他们还警告说,大火释放出来的砷、汞等有毒物质还会污染当地的水源和土壤。

美国东佐治亚大学Swainsboro分校的副教授Glenn Stracher说:“煤矿

失火是一个全球性的灾难。”但令人惊奇的是,很少有人知道这一点。煤能够自己提高温度,存在充足的氧气时,它能够自燃。它产生的热量并不会消失,在合适的阳光和氧气条件下,就会自燃。这种情况可能发生在地下煤矿的煤堆、废弃的煤矿,甚至在煤的运输过程中。Stracher教授告诉与会代表们,每年在中国,这种情况会消耗掉12亿吨的煤。相比之下,美国每年的用煤量为10亿吨。Stracher教授关于由煤引起的大火的影响的分析已经在《国际煤生态学期刊》上发表。煤一旦燃烧越来,就可能燃烧几十年,甚至几百年。在这个过程中,会排出大量的温室气体、有毒气体和黑色的灰粒到大气中。

专家们讨论了这些大火对全球和地区气候变化的影响,一致认为火灾地点发生在地下,使得火灾不容易被发现。小组的一个成员,来自荷兰国际地质信息科学和地球观测研究院的Paul Van Dijk助理教授已经同中国政府合作探测和控制中国北部地区的煤矿失火情况。

远程感应以及其他技术昀终将能够允许科学家们估计出究竟这些大

火释放出多少二氧化碳。Goodson工程公司的Gary Colaizzi提出了一种控制火势的方法。他们公司已开发出一种隔热水泥浆(一种稀灰浆用来填充裂缝),它可以被灌注到失火的煤矿中以切断氧气供给。

第十六篇 Eat to Live 为生存而食

A meager diet may give you health and long life, but it?s not much fun — and it might not even be necessary. We may be able to hang on to most of that youthful vigor even if we don’t start to di

et until old age.

粗茶淡饭或许能给你健康和长寿,但这并不有趣——很有可能也没必要。即便在年老以后才开始节食我们也能在很大程度上保持住青春活力。

Stephen Spindler and his colleagues from the Uni versity of California at Riverside have found that some of an elderly mous e?s liver genes can be made to behave as they did when the mouse was young simply by limiting its food for four weeks. The genetic rejuvenatio n won?t reverse other damage caused by time for the mouse, but could help its liver metabolize drugs or get rid of toxins.

加州大学Riverside分校的斯蒂芬?斯潘德尔及其同事发现,只要连续四周限制一些衰老的老鼠进食,它们的肝脏基因就会变得和衰老前一样充满活力。虽然老鼠的肝部基因恢复活力不会逆转它们在其他方面的老化,但是却有助于这些老鼠的肝脏对药物的新陈代谢和清除毒素。

Spindler’s team fed three mice a normal diet for t heir whole lives, and fed another three on half-rations3. Three more mic e were switched from the normal diet to half-feed3 for a month when th ey were 34 months old — equivalent to about 70 human years.

斯潘德尔的队员们一直给其中的三只老鼠正常量的饲料,而给另外三只老鼠正常量饲料的一半,给三只34个月大

的老鼠(相当于人类年龄的70岁)喂了一个月的半量饲料,之前这三只老鼠的饲料量是正常的。

The researchers checked the activity of 11,000 ge nes from the mouse livers, and found that 46 changed with age in the no rmally fed mice. The changes were

associated with things like inflammation and free radical production

一 probably bad news for mouse health. In the mice that had dieted all t heir lives,27 of those 46 genes continued to behave like young genes. But the most surprising finding was that the mice that only started dieting in old age also benefited from 70 per cent of these gene changes.

研究者们检查了这些老鼠肝脏的11,000种基因的活性,发现正常饲养的老鼠有46种基因随年龄的改变而改变。这些改变都与体内自由基的产生有关——这对老鼠的健康来说不是什么好消息。而对于那些终身都在节食的老鼠来说,那46种基因中的27种仍然继续保持着青春活力。但是最令人吃惊的发现却是那些只是在老年时期节食的老鼠们受益于70%的基因变异。

"This is the first indication that these effects kick in pretty quickly,” says H uber Warner from the National Institute on Aging near Washington D. C. No one yet knows if calorie restriction works in people as it does in mice, but Spindler is hopeful. “There?s attracting and tempting evidence out t here that it will work,” he says.

“这只是第一个这些效果迅速起作用的暗示”,来自华盛顿特区周边的国家老年学学院的哈勃?华纳说。至今仍然没有人清楚卡路里的控制对人类来说是否如同对老鼠那样有效,但是斯潘德尔对此充满了希望:“有足以引人注意的证据表明这同样有效。”

If it does work in people,there might be good reasons for rejuvenating th e liver. As we get older, our bodies are less efficient at metabolizing drugs , for example. A brief period of time of dieting, says Spindler, could be en ough to make sure a drug is effective.

如果这确实也对人类有效,我们有理由相信肝脏也可能恢复活力。举个例子,随着我们一天天衰老,我们的身体对药物的新陈代谢越来越没有效率。短时期内的节食,斯潘德尔说到,完全足以保证药效。But Spindler isn?t sure the trade-off is worth it. “The mice get less diseas e, they live longer, but they?re hungry,” he says. “Even seeing what a diet does, it?s still hard to go to a restaurant and say: …I can only eat half of t hat,. ”但是斯潘德尔并不确定这个方法值得尝试。“老鼠患病少了,寿命延长了,但是它们很饥饿,”他说,“即使能清楚地认识到节食的功效,人们仍然很难在餐馆中说自己只能吃一半的食物。”Spindler hopes we soon won?t need to diet at all. His company, Lifespan Genetics in California, is looking for drugs that have the effects of calorie restriction. 斯潘德尔希望我们根本就不用节食。他的公司,加利福尼亚州的寿命遗传学公司,正在寻找有限制卡路里效能的药物

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