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[主观题]

Last Friday an advisory panel to the European Environment Agency issued an extraordinary s

cientific opinion: The European Union should suspend its goal of having 10 percent of transportation fuel made from biofuel by 2020.

The European Union&39;s biofuel targets were increased and extended from 5.75 percent by 2010 to 10 percent by 2020 just last year. Still, Europe&39;s well-meaning rush to biofuels, the scientists concluded, had produced a slew of harmful ripple effects - from deforestation in Southeast Asia to higher prices for grains.

In a recommendation released last weekend, the 20-member panel, made up of some of Europe&39;s most distinguished climate scientists, called the 10 percent target "overambitious" and an "experiment" whose "unintended effects are difficult to predict and difficult to control."

"The idea was that we felt we needed to slow down, to analyze the issue carefully and then come back at the problem," Laszlo Somlyody, the panel&39;s chairman and a professor at the Budapest University of Technology and Economics, said in a telephone interview.

He said that part of the problem was that when it set the targets, the European Union was trying desperately to solve the problem of rising transportation emissions "in isolation," without adequately studying the effects of other sectors like land use and food supply.

"The starting point was correct: I&39;m happy that the European Union took the lead in cutting greenhouse gasses and we need to control traffic emissions," Somlyody said. "But the basic problem is it thought of transport alone, without considering all these other effects. And we don&39;t understand those very well yet." The panel&39;s advice is not binding and it is not clear whether the European Commission will follow the recommendation.

It has become increasingly clear that the global pursuit of biofuels - encouraged by a rash of targets and subsides in both Europe and the United States - has not produced the desired effect.

Investigations have shown, for example, rain forests and peat swamp are being cleared to make way for biofuel plantations, a process that produces more emissions than the biofuels can save. Equally concerning, land needed to produce food forpeople to eat is planted with more profitable biofuel crops, and water is diverted from the drinking supply.

In Europe and the United States, food prices for items like pizza and bread have increased significantly as grain stores shrink and wheat prices rise.

The price of wheat and rice are double those of a year ago, and corn is a third higher, the UN Food and Agriculture Organization said this week.

"Food price inflation hits the poor hardest, as the share of food in their total expenditures is much higher than that of wealthier populations," said Henri Josserand of the Food and Agriculture Organization

For example, the European Environment Agency advisory panel suggests that the best use of plant biomass is not for transport fuel but to heat homes and generate electricity.

To be useful for vehicles, plant matter must be distilled to a fuel and often transported long distances. To heat a home, it can often be used raw or with minimal processing, and moved just a short distance away.

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更多“Last Friday an advisory panel to the European Environment Agency issued an extraordinary s”相关的问题

第1题

中国人民选择和平发展道路,是基于中国的传统文化、惨痛的历史和现实 的巨大成就所作出的明智选择。

中国是一个有5000年历史的文明古国,有着与外来文化取长补短、兼容并蓄的传统。我们的祖先历来强调“以和为贵”。历史上,中国在对外交往中始终强调亲仁善邻、和而不同。2000 多年前,中国与周边国家有使节往来、商品交易、文化交流,汉朝张骞出使西域开辟了陆上“丝绸之路”。1000多年前,中国对外 交往海陆并重,盛况空前,茶叶、丝绸、瓷器等商品远销亚欧诸多国家;600多年前,中国明代航海家郑和率领舰队“七下西洋”,足迹遍及亚非30多个国家和地区,带去的是先进的农耕和手工艺技术,还有精美的产品和真诚的友谊。这样的文化传统决定了今天的中国必然选择和平发展延续历史,并融入当今世界和平与发展的潮流。

从 19 世纪 80 年代之后的鸦片战争、甲午战争,到庚子之乱乃至20世纪30年代的日本侵华战争,中国惨遭东西方列强的屠戮和极其野蛮的经济掠夺;再加上封建腐败和连年内乱,中国主权沦丧、生灵涂炭、国力衰弱、民不聊生。深重的灾难、惨痛的事实使中华民族深知和平之珍贵、发展之重要。这样的历史实践形成了中国人民渴望和平、企求安定的心理,坚定了中国人民走和平发展道路的信念。

1949 年新中国成立后,我们在发展道路上艰辛探索,既经历过成功的喜悦,也经受过失败的挫折。从 1978 年开始,中国开启了新的征程,从计划转向市场,从封闭转向开放,从自成一体转向融入经济全球化,走独立自主地建设中国特色社会主义的道路,取得了举世瞩目的辉煌成就。实践充分证明,坚持走和平发展的道路是正确的,既符合中国国情,又顺应时代潮流。中国将沿着这条和平发展的道路,坚定不移地走下去。

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第2题

LONGYEARBYEN, Norway — With plant species disappearing at an alarming rate, scientists and

governments are creating a global network of plant banks to store seeds and sprouts, precious genetic resources that may be needed for man to adapt the world? s food supply to climate change.

This week, the flagship of that effort, the Global Seed Vault near here, received its first seeds, millions of them. Bored into the middle of a frozen Arctic mountain topped with snow, the vault? s goal is to store and protect samples of every type of seed from every seed collection in the world.

As of Thursday, thousands of neatly stacked and labeled gray boxes of seeds — peas from Nigeria, corn from Mexico — reside in this glazed cavelike structure, forming a sort of backup hard drive, in case natural disasters or human errors erase the seeds from the outside world.

Descending almost 500 feet under the permafrost, the entrance tunnel to the seed vault is designed to withstand bomb blasts and earthquakes. An automated digital monitoring system controls temperature and provides security akin to a missile silo or Fort Knox. No one person has all the codes for entrance.

The Global Vault is part of a broader effort to gather and systematize information about plants and their genes, which climate change experts say may indeed prove more valuable than gold. In Leuven, Belgium, scientists are scouring the world for banana samples and preserving their shoots in liquid nitrogen before they become extinct. A similar effort is under way in France on coffee plants. A number of plants, most from the tropics, do not produce seeds that can be stored.

For years, a hodgepodge network of seed banks has been amassing seed and shoot collections in a haphazard manner. Labs in Mexico banked corn species. Those in Nigeria banked cassava. Now these scattershot efforts are being urgently consolidated and systematized, in part because of better technology to preserve plant genes and in part because of the rising alarm about climate change and its impact on world food production.

“We started thinking about this post-9/11 and on the heels of Hurricane Katrina,” said Cary Fowler, president of the Global Crop Diversity Trust, a nonprofit group that runs the vault. “Everyone was saying, why didn? t anyone prepare for a hurricane before? We knew it was going to happen.“Well, we are losing biodiversity every day — it? s a kind of drip, drip, drip. It? s also inevitable. We need to do something about it.”

This week the urgency of the problem was underscored as wheat prices rose to record highs and wheat stores dropped to the lowest level in 35 years. A series of droughts and new diseases cut wheat production in many parts of the world. “The erosion of plants? genetic resources is really going fast,” said Dr. Rony Swennen, head of the division of crop biotechnology at the Catholic University of Leuven in Belgium, who has preserved half of the world? s 1,200 banana types. “We? re at a critical moment and if we don? t act fast, we? re going to lose a lot of plants that we may need.”

The United Nations International Treaty on Plant Genetic Resources, ratified in 2004, created a formal global network for banking and sharing seeds, as well as for studying their genetic traits. Last year, its database received thousands of new seeds.

A system of plant banks could be crucial in responding to climate crises since it could identify genetic material and plant strains better able to cope with a changed environment.

Here at the Global Vault, hundreds of gray boxes containing seeds from places ranging from Syria to Mexico were moved this week into a freezing vault to be placed in suspended animation. They harbor a vast range of qualities, like the ability to withstand drier, warmer climate.

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第3题

中国历来重视人才工作,并实施”人才强国“战略,大力开发人力市场资源, 为人才发挥作用创造必要的条

件和环境中国目前实行的是工程技术人员职称聘 任制度,经过多年的实践,中国已经形成了一套比较完整的工程技术人员制度, 并探索实行工程技术人员职称聘任制度。

工程技术人员职务聘任制度形成于计划经济时期,随着社会主义市场经济 的建立和经济社会的发展需要进一步完善和改革,人事部、建设部、教育部、 中国工程院、中国科协等部门专门成立了领导小组,组织关于技术人才的研究, 提出工程技术人才改革框架,建立以业绩和能力为导向的、科学的、人才绩效 评价制度,并积极促进工程师国际互认和资格准入制度。

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第4题

A year ago, this lush coastal field near Rome was filled with orderly rows of delicate dur

um wheat, used to make high quality Italian pasta. Today it overflows with rapeseed, a tall, gnarled weedlike plant bursting with coarse yellow flowers that has become a new manna for European farmers: rapeseed can be turned into biofuel.

Lured by generous new subsidies to develop alternative energy sources - and a measure of concern about the future of the planet - European farmers are plunging into growing crops that can be turned into fuels meant to produce fewer emissions than gas or oil when burned. They are chasing after their counterparts in the Americas who have been cropping for biofuel for more than five years.

"This is a much-needed boost to our economy, our farms," said Marcello Pini, a farmer, standing in front of the sea of waving yellow flowers he planted for the first time this year. "Of course we hope it helps the environment, too."

In March, the European Commission, disappointed by the slow growth of thebiofuels industry in Europe, approved a directive that included a "binding target" requiring member states to use 10 percent biofuel for transport by 2020 - the most ambitious and specific goal in the world.

Most EU states are currently far from achieving the target, and are introducing new incentives and subsidies to boost production.

As a result, bioenergy crops have now replaced food as the most profitable crop in a number European countries. In this part of Italy, for example, the government guarantees the purchase of biofuel crops at €22 per 100 kilograms, or $13.42 per 100 pounds - nearly twice the €11-to-€12 rate per 100 kilograms of wheat on the open market last year. Better still, European farmers are allowed to plant biofuel crops on "set-aside" fields, land that EU agriculture policy would otherwise require them to leave fallow to prevent an oversupply of food.

But an expert panel convened by the UN Food and Agriculture Organization this month pointed out that the biofuels boom produces both benefits as well as tradeoff and risks - including higher and wildly fluctuating global food prices. In some markets grain prices have nearly doubled because farmers are planting for biofuels,

"At a time when agricultural prices are low, in comes biofuel and improves the lot of farmers and injects life into rural areas," said Gustavo Best, an expert at the United Nations Food and Agriculture Organization in Rome. "But as the scale grows and the demand for biofuel crops seems to be infinite, we&39;re seeing some negative effects and we need to hold up a yellow light."

Josette Sheeran, the new head of the UN World Food program, which fed nearly 90 million people in 2006, said that biofuels created new dilemmas for her agency. "An increase in grain prices impacts us because we are a major procurer of grain for food. So biofuels are both a challenge and an opportunity." In Europe, the rapid conversion of fields that once grew wheat or barley to biofuel oils like rapeseed is already leading to shortages of ingredients for making pasta and brewing beer, suppliers say. That could translate into higher prices in supermarkets.

"New and increasing demand for bioenergy production has put high pressure on the whole world grain market," said Claudia Conti, a spokeswoman for Barilla, one of the largest Italian pasta makers. "Not only German beer producers, but Mexican tortilla makers have see the cost of their main raw material growing quickly to quickly to historical highs."

For some experts, more worrisome is the potential impact to low-income consumers from the displacement of food crops by bioenergy plantings. In the developing world, the shift from growing food to growing more lucrative biofuel crops destined for richer countries could create serious hunger and damage the environment in places where wild land is converted to biofuel cultivation, the FAO expert panel concluded.

But officials at the European Commission say they are pursuing a measured course that will prevent the worst price and supply problems that have plagued American markets.

"We see in the United States farmers going crazy growing corn for biofuels, but also producing shortages of food and feed," said Michael Mann, a commission spokesman. "So we see biofuel as a good opportunity - but it shouldn&39;t be the be-all and end-all for agriculture."

In a recent speech, Mariann Fischer Boel, the EU agriculture and rural development commissioner, said that the 10 percent EU target was "not a shot in the dark," but rather carefully chosen to encourage a level of biofuel industry growth that would not produce undue hardship for the Continent&39;s poor. Over the next 14 years, she calculated, it would push up would raw material prices for cereal by 3 percent to 6 percent by 2020, while prices for oilseed may rise between 5 percent and 18 percent. But food prices on the shelves would barely change, she said.

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第5题

提起东盟国家,我就想起去年在东盟会议上,马哈蒂尔先生和吴作栋先生曾经形象地把中国比喻成一个友

好的大象。

他们说,中国的崛起不会对其他们存在任何威胁。中国有5000年的文明史,有过辉煌的过去,也有过屈辱的往事。中国的崛起是多少代中国人的梦想。中国和平崛起的要义在什么地方?

第一,中国和平崛起就是要充分利用世界和平的大好时机,努力发展和壮大自己。同时又以自己的发展,维护世界和平。

第二,中国的崛起应把基点主要放在自己的力量上,独立自主、自力更生,艰苦奋斗,依靠广阔的国内市场、充足的劳动力资源和雄厚的资金储备,以及改革带来的机制创新。

第三,中国的崛起离不开世界。中国必须坚持开放的政策,在平等互利的原则上,同世界一切友好国家发展经贸往来。

第四,中国的崛起需要很长的时间,恐怕要多少代人的努力奋斗。

第五,中国的崛起不会妨碍任何人,也不会威胁任何人,也不会牺牲任何人。中国现在不称霸,将来即使强大了也永远不会称霸。

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第6题

One of the biggest decisions Andy Blevins has ever made, and one of the few he now regrets

, never seemed like much of a decision at all. It just felt like the natural thing to do.

In the summer of 1995, he was moving boxes of soup cans, paper towels and dog food across the floor of a supermarket warehouse, one of the biggest buildings here in southwest Virginia. The heat was brutal. The job had sounded impossible when he arrived fresh off his first year of college, looking to make some summer money, still a skinny teenager with sandy blond hair and a narrow, freckled face. But hard work done well was something he understood, even if he was the first college boy in his family. Soon he was making bonuses on top of his $6.75 an hour, more money than either of his parents made. His girlfriend was around, and so were his hometown buddies. Andy acted more outgoing with them, more relaxed. People in Chilhowie noticed that.

It was just about the perfect summer. So the thought crossed his mind: maybe itdid not have to end. Maybe he would take a break from college and keep working. He had been getting C&39;s and D&39;s, and college never felt like home, anyway.

"I enjoyed working hard, getting the job done, getting a paycheck," Mr. Blevins recalled. "I just knew I didn&39;t want to quit."

So he quit college instead, and with that, Andy Blevins joined one of the largest and fastest-growing groups of young adults in America. He became a college dropout, though nongraduate may be the more precise term.

Many people like him plan to return to get their degrees, even if few actually do. Almost one in three Americans in their mid-20&39;s now fall into this group, up from one in five in the late 1960&39;s, when the Census Bureau began keeping such data. Most come from poor and working-class families.

That gap had grown over recent years. "We need to recognize that the most serious domestic problem in the United States today is the widening gap between the children of the rich and the children of the poor," Lawrence H. Summers, the president of Harvard, said last year when announcing that Harvard would give full scholarships to all its lowest-income students. "And education is the most powerful weapon we have to address that problem."Andy Blevins says that he too knows the importance of a degree. Ten years after trading college for the warehouse, Mr. Blevins, 29, spends his days at the same supermarket company. He has worked his way up to produce buyer, earning $35,000 a year with health benefits and a 401(k) plan. He is on a path typical for someone who attended college without getting a four-year degree. Men in their early 40&39;s in this category made an average of $42,000 in 2000. Those with a four-year degree made $65,000.

Mr. Blevins says he has many reasons to be happy. He lives with his wife, Karla, and their year-old son, Lucas, in a small blue-and-yellow house in the middle of a stunningly picturesque Appalachian valley.

"Looking back, I wish I had gotten that degree," Mr. Blevins said in his soft-spoken lilt. "Four years seemed like a thousand years then. But I wish I would have just put in my four years."

Why so many low-income students fall from the college ranks is a question without a simple answer. Many high schools do a poor job of preparing teenagers for college. Tuition bills scare some students from even applying and leave others with years of debt. To Mr. Blevins, like many other students of limited means, every week of going to classes seemed like another week of losing money. "The system makes a false promise to students," said John T. Casteen III, the president of the University of Virginia, himself the son of a Virginia shipyard worker.

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第7题

能源是人类社会赖以生存和发展的重要物质基础。纵观人类社会发展的历史,人类文明的每一次重大进步

都伴随着能源的改进和更替。能源的开发利用极大地推进了世界经济和人类社会的发展。

过去100多年里,发达国家先后完成了工业化,消耗了地球上大量的自然资源,特别是能源资源。当前,一些发展中国家正在步入工业化阶段,能源消费增加是经济社会发展的客观必然。

中国是当今世界上最大的发展中国家,发展经济,摆脱贫困,是中国政府和中国人民在相当长一段时期内的主要任务。20世纪70年代末以来,中国作为 世界上发展最快的发展中国家,经济社会发展取得了举世瞩目的辉煌成就,成功地开辟了中国特色社会主义道路,为世界的发展和繁荣作出了重大贡献。

中国是目前世界上第二位能源生产国和消费国。能源供应持续增长,为经济社会发展提供了重要的支撑。能源消费的快速增长,为世界能源市场创造了广阔的发展空间。中国已经成为世界能源市场不可或缺的重要组成部分,对维 护全球能源安全,正在发挥着越来越重要的积极作用。

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第8题

It took nine years from the time the Danish and Swedish governments agreed to build a fixe

d link between their countries to the time the first car, train, truck and bicyclists crossed the Oresund Bridge.

Construction of the bridge, including design and cornerstone, began in March 1991 and was completed in July 2000. Today, it is the longest stone-stayed road and rail bridge in the world. At approximately 10 miles (16 kilometers), including the tunnel, it is an engineering and architectural marvel. But as time has proven, the bridge is a cultural and economic boon as well. The sleek span of concrete whose design typifies Scandinavian minimalism has contributed greatly to the development of the Oresund region: the eastern part of Denmark, including Copenhagen, and the southwestern part of Sweden, including Malm?and Lund.

The level of commuting between Malm?and Copenhagen has quadrupled since the opening of the bridge in 2000, and the number of Danes moving to the south of Sweden has increased sixfold. The Oresund region has become a cultural and economic powerhouse, considered a model region by the European Union. Work on the bridge began in 1995, and was undertaken by a team of international consulting and construction companies.

From the beginning, construction of the bridge complied with some of the world? s toughest environmental regulations, as well as many advanced design and construction details. The Mexico-based CEMEX, one of the world? s largest producers of Cement and ready-mix concrete, was awarded a contract to deliver tons of high-quality cement to help build the main part of the bridge, the two approach bridges and the tunnel.

When it opened in July 2000, the Oresund Bridge consisted of a 3.5-kilometer immersed tunnel, the largest of its kind in the world, a 4-kilometer long artificial island (made from mud dug out from the bottom of strait to make space for the tunnel) and a 7.8-kilometer cable-stayed bridge, the world? s longest bridge including both a highway and a railroad.

Though just half of the total construction, the actual bridge span, is visible above water, the overall architecture was designed to please the eye from both the Danish and Swedish sides of the strait.

The four 204-meter (670 feet) tall pillars carrying the bridge have a simple Scandinavian design. To drivers and passengers crossing the bridge, the pillars provide a visual, as well as actual, impression of stability and calm.

The two-level structure is made of steel and concrete. Along tile two approach bridges, tracks are placed in concrete troughs that turn into steel decks on the bridge. The bridge? s upper deck carries cars and trucks, while the lower deck accommodates the railroad. The four pillars are grounded in giant cement boxes placed at the bottom of the strait, about 18 meters below sea level.

Last year, an average of 13,600 vehicles and 17,000 passengers crossed the bridge everyday, and traffic continues to increase by 10-20 percent every year.

Throughout the construction process, the Danish and Swedish environmental agencies have surveyed but found no changes in the wildlife, birds, fish and vegetation surrounding the bridge. In addition, the chemicals used in construction and the percentage of waste materials have been kept to a minimum, as required by both Danish and Swedish laws.

In 2003, the Oresund Bridge won the IABSE (International Association for Bridge and Structural Engineering) Outstanding Structural Award for its innovative design, planning and construction management, as well as its strict compliance with the time schedule, budget and environmental requirements.

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第9题

25年来,中国坚定不移地推进改革开放,社会主义市场经济体制初步建立,开放型经济已经形成,社会生产

力和综合国力不断增强,各项社会事业全面发展,人民生活总体上实现了由温饱到小康的历史性跨越。

从1978年至2003年的25 年间,中国经济年均增长9.4%。25年前,中国年国内生产总值为1473亿美元,去年已达到14000多亿美元。

25年前,中国年进出口贸易总额为206亿美元,去年已达到8512亿美元。 25 年前,中国外汇储备为1.67亿美元,去年已达到4033亿美元。目前,中国经济总量居世界第六,进出口贸易总额居世界第四。中国之所以能够发生这样巨大的变化,最关键的原因是我们始终坚持走中国特色社会主义道路,始终坚持改革开放,激发了全体人民的积极性、主动性、创造性。

中国虽然取得了很大的发展成就,但中国人口多,底子薄,生产力不发达,发展很不平衡,生态环境、自然资源与经济社会发展的矛盾比较突出。虽然中国人均国内生产总值已经突破1000美元,但仍排在世界一百位以后。中国要实现现代化,使全体人民都过上富裕生活,还需要进行长期不懈的艰苦奋斗。

我们已经明确了本世纪头20年的奋斗目标,这就是全面建设惠及十几亿人口的更高水平的小康社会,到 2020年实现国内生产总值比2000年翻两番,达到4万亿美元,人均国内生产总值达到3000美元,使经济更加发展、民主更加健全、科教更加进步、文化更加繁荣、社会更加和谐、人民生活更加殷实。

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第10题

Faced with growing evidence that avian influenza is spreading in birds, the World Health O

rganization on Wednesday signed an agreement with the Swiss pharmaceutical company Roche Holding to build up its stockpile of medicines in case of a pandemic in humans.

Under the agreement, Roche will reserve three million treatments of its Tamiflu antiviral medicine for use by the UN agency in case of a worldwide human pandemic of avian flu.

"It&39;s just enough to deal with an initial outbreak," said Jong-Wook Lee, director-general of the WHO. "But clearly this is not enough to deal with a full pandemic."

The agency says only 57 people in Indonesia, Vietnam, Thailand and Cambodia have died, mainly from contact with infected birds. The virus has killed millions of chickens and led to preventive culling across Asia since late 2003. Sustained human-to-human infection has not yet been recorded. But the World Health Organization warns that bird flu, which first appeared in Hong Kong in 1997, could mutate genetically, making it easier for humans to catch and transmit the disease among themselves.

Signs the disease has spread recently to birds in Siberia and Kazakhstan are adding to concerns, the WHO says. A panel of European Union experts will convene Thursday in Brussels to discuss measures to prevent the spread of bird deaths to European poultry.

When asked whether he thought a widespread outbreak in humans was imminent, Lee said: "We don&39;t know when it will come. But it would be hugely irresponsible if the WHO and member states did not take preventive measures now."

Roche declined to give figures for its stockpiles of Tamiflu.

A spokeswoman for the company, Martina Rupp, said it took from 12 to 18 months to deliver the drug after an order was placed- a relatively long time due to a complicated production process.

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