2014年6月大学英语六级阅读练习题附答案及解析
目 录
2014年6月大学英语六级阅读练习题附答案及解析............................................... 1
2014年6月大学英语六级仔细阅读练习题附答案及解析(1) ........................... 2 2014年6月英语六级长篇阅读匹配练习题附答案解析(1) ............................. 11 2014年6月英语六级选词填空习模拟练习附答案(1) ..................................... 17 2014年6月大学英语六级仔细阅读练习题附答案及解析(2) ......................... 21 2014年6月英语六级长篇阅读匹配练习题附答案解析(2) ............................. 30 2014年6月英语六级选词填空习模拟练习附答案(2) ..................................... 37
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2014年6月大学英语六级仔细阅读练习题附答案及解析(1) Passage One
Questions 56 to 60 are based an the following passage.
Dropping out of university to launch a start-up is old hat. The twist with Joseph Cohen, Dan Getelman and Jim Grandpre is that their start-up aims to improve how universities work. In May 2011 the three founders quit the University of Pennsvlvania. to launch Coursekit,soon renamed as Lore.whichhas already raised $ 6m to develop what Mr. Cohen, its 21-year-old chief executive, describes as a social-learning network for the classroom\".
Lore is part of a trend that builds on the familiarity with social networking that has come with the success of Facebook. It customizes the rules of a network to meet the specific needs of students. Anyone teaching a class would reasonably worry that students using Facebook were gossiping rather than learning useful information from their network of friends. Lore allows teachers to control exactly who is in the network by issuing a class-membership code and to see how they are using it. They can also distribute course materials, contact students, manage tests and grades, and decide what to make public and what to keep private. Students can also interact with each other.
In the academic year after launching its first version last November, Lore was used in at least one class in 600 diversities and colleges. Its goal for its second year, about to begin, is to spread rapidly within those 600 institutions, not least to see what the effects of scale are from having lots of classes signed up within the same institution.
The firm has a fast-growing army of fans in the faculty common room. Lore, says Edward Boches, who uses it for his advertising classes at Boston University, makes teaching \"more interactive, extends it beyond the classroom and stimulates students to learn from each other rather than just the professor.\"
Among other challenges for the company, there remains the small matter of
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figuring out a business model. For the moment it has none. Mr. Cohen hopes that eventually Lore could become the primary marketplace for everything from courses to textbooks, but so far the service is free and carries no advertising. Blackboard, the industry incumbent (占有者), charges users for its course-management software. It remains to be seen how it will respond to the upstart(新贵).
The lack of a plan does not appear to bother Lore's founders or investors, -who seem content to learn a lesson from another university drop-out, Mark Zuckerberg, the co-founder of Facebook: achieve critical mass in your network and the profits will follow. And after that perhaps they can expect an honorary degree from the a/ma mater(母校).
56. What do we learn from the first paragraph about Lore? A． It specializes in producing old hats. B． It aims to improve the way universities work. C． It invests $ 6m in the development of social network. D． It promotes the communication among classmates. 57. What does Lore enable teachers to do? A． Meet specific needs of students. B． Learn useful information from friends. C． Control the online class membership. D． Monitor students' personal privacy. 58. For its second-year goal, Lore is to __ A． increase fans in the faculty common room B． launch its second version in 600 universities C． make more classes from 600 institutions signed up D． spread its influence within the same institution 59. Concerning the prospect of Lore, Mr. Cohen expects it to A． confront with Blackboard as an equal B． offer free service to the advertisers C． cover businesses from courses to textbooks
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D． Develop its own come-management software 60. What do we learn about Lore's founders?
A． They can't be bothered to design a business model. B． They learn a lesson from the success of Facebook. C． They will not make profits without drawing mass users. D． They desire to receive an honorary degree from the alma mater.
Passage Two
Questions 61 to 65 are based on the following passage. A bull grazes on dry wheat husks(Phi) in Logan, Kansas, one of the regions hit by the record drought that has affected more than half of the U. S. and is expected to drive up food prices.
Leadinu water scientists have issued one of the sternest warnings yet about global food supplies, saying that the world's population may have to switch almost completely to a vegetarian diet over the next 40 years to avoid catastrophic shortages. Adopting a vegetarian diet is one option to increase the amount of water available to grow more food in an increasingly climate-unstable world, the scientists said. Animal protein-rich food consumes 5 to 10 times more water than a vegetarian diet. One third of the world's arable(适于耕种的) land is used to grow crops to feed animals. Other options to feed people include eliminating waste and increasing trade between countries in food surplus and those in deficit. \"900 million people already go hungry and 2 billion people are malnourished in spite of the fact that per capita food production continues to increase,\" they said. \"With 70% of all available water being in agriculture, growing more food to feed an additional 2 billion people by 2050 will place greater pressure on available water and land.\"
The report is being released at the start of the annual world water conference in Stockholm, Sweden, where 2,500 politicians, UN bodies, non-governmental groups and researchers from 120 countries meet to address global water supply problems.
Competition for water between food production and other uses will intensify
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pressure on essential resources, the scientists said. \"The UN predicts that we must increase food production by 70% by mid-century. This will place additional pressure on our 'already stressed water resources, at a time when we also need to allocate more water to satisfy global energy demand--which is expected to rise 60% over the coming 30 years--and to generate electricity for the 1.3 billion people currently without it,\" said the report.
Overeating, undernourishment and waste are all on the rise and increased food production may face future constraints from water scarcity.
\"We will need a new recipe to feed the world in the future,\" said the report's editor, Anders Jagerskog.
A separate report from the International Water Management Institute (IWMI) said the best way for countries to protect millions of farmers from food insecurity in sub-Saharan Africa and south Asia was to help them invest in small pumps and simple technology, rather than to develop expensive, large-scale irrigation projects. \"Farmem across the developing world are increasingly relying on and benefiting from small-scale,locally-relevant water solutions. These techniques could increase yields up to 300% and add tens of billions of U. S. dollars to household revenues across sub-Saharan Africa and south Asia. \" said Dr. Colin Chartres, the director general.
61. What can be inferred from the water scientists' warning? A． The record drought forces half of the U. S. to go hungry. B． The record drought drives up food prices m the U. S. C． Severe food shortage may happen without proper measures. D． A vegetarian diet is the only option to avoid disastrous shortages. 62. What do the scientists say can be done to increase food supply? A． Grow more animal protein-rich food. B． Turn pastures into arable lands.
C． Promote trade between countries self-sufficient in food. D． Increase the amount of water for food production. 63. According to the water scientists' report,
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A． per capita food production has been increasing
B． reduced food supply will make more people malnourished C． 70% of water will be used to feed 2 billion people by 2050 D． researchers begin to seek solutions to tackle water problem 64. In regard to the problem of water supply, scientists believe A． more water should be allocated to satisfy energy demand B． food production must be increased to 70% by mid-century C． energy demand will intensify pressure on water resources D． electricity generation must be increased by 60% 30 years later 65. What does the IWMI say is the best solution to food insecurity in sub-Saharan Africa and south Asia?
A． Applying small pumps and simple technology. B． Launching large-scale irrigation projects. C． Increase the local household revenues. D． Investing in a new expensive irrigation project.
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答案解析：
56 B）。由题干中的first paragraph about Lore定位到原文第一段第二句：The twist with Joesph Cohen,Dan Getelman and Jim Grandpre is that their start-up alms to improve how universities work.
详解：事实细节题。本题考查学问公司的相关事实。定位句指出，约瑟夫.科恩.金提曼和吉姆.格兰坡的合作创业旨在提升学校的运作方式，故答案为B）。A）“它专门制造旧帽子”，完全误解了原文句子的意思，故排除；C）“它投资6百万发展社交网络”，由该段最后一句可知，是发展社交学习型的课堂网络而不是全社会的，故排除；D）“促进同学间的交流”，这是社交网络的一个好处，而不是主要意图，故排除。
57.C)。由题干中的Lore enable teachers to do 定位到原文第二段第四句：Lore allows teachers to control exactly who is in the network by issuing a class-membership code and to see how they are using it. 详解：事实细节题。本题考查学问公司对教师的帮助。定位句指出，“学问”使得教师们通过发行课堂成员代码来严格控制上网的学生以及他们如何使用网络，故答案为C）。A）“满足学生们的具体要求”，由该段第二句可知，这是学问公司自己的服务目标而不是给予老师的，故排除；B)“向朋友们学习有用的信息”，这是老师们希望学生们做的，故排除；D)“监控学生们的隐私”，由该段倒数第二句可知，老师们决定学生的隐私该保密，故排除。
58．C)。由题干中的its second．year goal定位到原文第三段第二句：Its goal for its second year，about to begin，is to spread rapidly within those 600 institutions，not least to see what the effects of scale are from having lots of classes signed up within the same institution．
详解：推理判断题。本题考查“学问”的第二年计划。定位句指出，即将开始实行的第二年计划是在600所机构里扩大影响范围，不仅仅是看到同机构里很多班级报名的规模效应，故答案为C)。A)“增加教员休息室的粉丝”文中没提及，只说了已经拥有越来越多的教师粉丝，故排除；B)“在600所大学中发起第二个版本”，该段开头指出使用的是第一个版本，未提及第二个版本，故排除；D)“扩大它在同一所机构中的影响”，文中的not least to see已经表明它们不满足
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于这个目标，故排除。
59．C)。由题干中的the prospect of Lore和Mr．Cohen定位到原文倒数第二段第三句：协．Cohen hopes that eventually Lore could become the primary marketplace for everything from courses to textbooks：．．
详解：事实细节题。本题考查科恩先生对学问公司的期望。定位句指出，他希望最后“学问”能成为自课程到教科书等一切的主要市场，故答案为C)。A)“平等面对黑板公司”，该段最后一句指出，还不知道黑板公司如何对待“学问”这个新贵，故排除；B)“给广告人提供免费服务”，第三句后半部分说carries no advertising，所以没有广告服务；D)“开发它自己的课程管理软件”，该段倒数第二句指出课程管理软件是黑板公司的，它会向使用者收取费用，但没提及“学问”开发此类软件，故排除。
60．B)。由题干中的Lore's founders定位到原文末段第一句：Lore’s founders or investors，who seem content to learn a lesson from another university drop—out，Mark Zuckerber9，the C0·founder of Facebook．．． 详解：推理判断题。本题考查学问公司创建者们的创业灵感。定位句指出，他们似乎满足于向另一所大学的辍学者和脸谱网的共同创建者马克·扎克伯格学习经验，故答案为B)。A)“他们没有为形成一种商业模式而困扰”，倒数第二段前两句已经指出，他们现在存在着一个问题，那就是要形成一种商业模式，故有所困扰，可排除；C)“没有大量的用户他们将赚不到利润”，这是陈述事实，不属于推理，故排除；D)“他们期望能得到母校的荣誉学位”，这是作者自己的推测而不是他们自己所想的，故排除。
61．C)。由题干中的inferred和water scientists’warnin9定位到原文第二段．．．．saying that the world’s population may have to switch almost completely to a vegetarian diet over the next 40 years to avoid atastrophic shortages．
详解：推理判断题。本题考查对水资源科学家警示的理解。定位段指出，一些水科学带头人发布了一个关于全球粮食供应的最高级警报，指出为了避免灾难性的粮食紧缺，在未来的四十年，世界人口的饮食可能不得不几乎全转换为素食，故答案为C)。A)“创纪录的干旱使得一半美国人挨饿”，文中第一段指出，这次干旱对大半个美国造成影响，故排除；B)“创纪录的旱灾抬高了美国的食物价格”，
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文中的is expected t0表示人们的预测而不是事实，故排除；D)“素食成为避免灾害性食物短缺的唯一选择”，文中说的这是一种选择，而不是唯一选择，故排除。
62．D)。由题干中的scientists和increase food supply定位到原文第三段第一句：Adopting a vegetarian diet is one option to increase the amount of water available to grow more food in an increasingly climate-unstable world，the scientists said．
详解： 事实细节题。本题考查科学家对于增加食物供应量的建议。定位句指出，科学家指出，素食的饮食习惯是在逐渐不稳定的气候条件下增加用来生产更多的食物的可用水资源总量的一种选择，故答案为D)。A)“出产更多富含蛋白质的动物食物”，该段第二句指出动物蛋白质食物要消耗大量的水资源，故不适宜，排除；B)“退牧还耕”，该段第三句指明世界三分之一的耕种土地用于种植喂养动物的食物，即使耕地多也不是多产食物给人们。故排除；C)“增进与自给自足国家间的贸易往来”，该段最后一句指出要让那些粮食有剩余和那些有短缺的国家加强贸易联系，故排除。
63．A)。由题干中的the water scientists’report定位到文中第四段第一句：“900 million people already go hungry and 2 billion people are malnourished in spite of the fact that per capita food production continues to increase，”they said．
详解：事实细节题。本题考查对水资源科学家研究报告的理解。文中第四段第一句指出，科学家们说： “尽管人均粮食产量在持续增加，但仍有9亿人正在挨饿，20亿人营养不良，故答案为A)。B)“粮食供给量减少将使更多的人营养不良”，文中说的是人均粮食产量在持续增加，而非减少，故排除；C)“到2050年，70％的水将用来解决20亿人口的饮水问题”．文中指出是给额外的20亿人种植食物，故排除；D)“研究者们开始寻找解决水资源问题的办法”，水资源科学家研究报告中未提及这一点，故排除。
64．c)。由题干中的the problem of water supply和scientists believe定位到文中第六段第一句：Competition for water between food production and other uses will intensify pressure on essential esources，the scientists said．和第三句：„at a time when we also need to allocate more water to satisfy global energy demand…
详解：观点态度题。本题考查科学家对于水资源供给的态度。文中第六段第一句指出，报告中提到，“联合国预测，到本世纪中叶，我们必须增加70％的粮
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食产量。这会给本就紧张的水资源造成更大的压力”。第三句指出，“与此同时，我们需要分配更多的水资源来满足世界能源的需求”，故答案为c)。A)“更多的水资源应该分配给能源生产”，这是联合国报告中陈述的一个事实，而不是科学家们的观点，故排除；B)“到本世纪中叶，粮食产量必须增加到70％”，这个目标是联合国制定的而不是水资源科学家所为，故排除；D)“30年后电力资源使用人口将增加60％”，由该段最后一句可知，是增加60％的能源资源而不是使用人口，故排除。
65．A)。由题干中的the best solution to food insecurity in sub—Saharan Africa and south Asia定位到原文倒数第二段：A separate report from„Was to help协em invest in small pumps and simple technology，rather than to develop expensive，large—scale irrigation projects．
详解：事实细节题。本题考查解决撒哈拉以南非洲地区及南亚缺水问题的最佳途径。定位段指出，在撒哈拉以南非洲地区和南亚地区，防止农民遭受粮食危机的最好方法是帮助他们投资建造小型水泵和使用简单的技术，这远远好于开发昂贵的、大规模的灌溉工程，故答案为A)。根据该段最后一句提到的rather than to develop expensive，large—scale irrigation projects，排除B)“发起大规模的灌溉工程”和D)“投资建立昂贵的新灌溉工程”；C）“增加当地人们的收入”，这是改善水资源技术所带来的接过，故排除。 10 / 38
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2014年6月英语六级长篇阅读匹配练习题附答案解析(1)
Section B
Genetically Modified Foods--Feed the World?
[A] If you want to spark a heated debate at a dinner party, bring up the topicabout genetically modified foods. For many people, the concept of genetically altered, high-tech crop production raises all kinds of environmental, health, safety and ethical questions. Particularly in countries with long agrarian traditions--and vocal green lobbies--the idea seems against nature.
[B] In fact, genetically modified foods are already very much a part of our lives. A third of the corn andmore than half the soybeans and cotton grown in the U. S. last year were the product of biotechnology, according to the Department of Agriculture. More than 65 million acres of genetically modified crops will be planted in the U. S. this year. The genetic is out of the bottle. [C] Yet there are clearly some very real issues that need to be resolved. Like any new product entering the food chain, genetically modified foods must be subjected to rigorous testing. In wealthy countries, the debate about biotech is tempered by the fact that we have a rich array of foods to choose from--and a supply that far exceeds our needs. In developing countries desperate to feed fast-growing and underfed populations; the issue is simpler and much more urgent: Do the benefits of biotech outweigh the risks? [D] The statistics on population growth and hunger are disturbing. Last year the world's population reached 6 billion. And by 2050, the UN estimates, it will be probably near 9 billion. Almost all that growth will occur in developing countries. At the same time, the world's available cultivable land per person is declining. Arable land has declined steadily since 1960 and will decrease by half over the next 50 years, according to the International Service for the Acquisition of Agri-Biotech Applications ( ISAAA).
How can biotech help?
[E] Biotechnologists have developed genetically modified rice that is fortified
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with beta-carotene(胡萝卜素)--which the body converts into vitamin A--and additional iron, and they are working on other kinds of nutritionally improved crops. Biotech can also improve farming productivity in places where food shortages are caused by crop damage attribution to pests, drought, poor soil and crop viruses, bacteria or fungi ( 真菌 ).
[F] Damage caused by pests is incredible. The European corn borer, for example, destroys 40 million tons of the-world's corn crops annually, about 7% of the total. Incorporating pest-resistant genes into seeds can help restore the balance. In trials of pest-resistant cotton in Africa, yields have increased significantly. So far, fears that genetically modified, pest-resistant crops might kill good insects as well as bad appear unfounded.
[G] Viruses often cause massive failure in staple crops in developing countries. Two years ago, Africa lost more than half its cassava (树薯) crop--a key source of calories-to the mosaic virus (花叶病毒).Genetically modified, virus-resistant crops can reduce that damage, as can drought-tolerant seeds in regions where water shortages limit the amount of land under cultivation. Biotech can also help solve the problem of soil that contains excess aluminum, which can damage roots and cause many staple-crop failures. A gene that helps neutralize aluminum toxicity (毒性) in rice has been identified. Many scientists believe biotech could raise overall crop productivity in developing countries as much as 25% and help prevent the loss of those crops after they are harvested. [H]Yet for all that promise, biotech is far from being the whole answer. In developing countries, lost crops are only one cause ofhunger. Poverty plays the largest role. Today more than 1 billion people around the globe live on less than 1 dollar a day. Making genetically modified crops available will not reduce hunger if farmers cannot afford to grow them or if the local population cannot afford to buy the food those farmers produce.
[I] Biotech has its own \"distribution\" problems. Private-sector biotech companies in the rich countries carry out much of the leading-edge research on genetically modified crops. Their products are often too costly for poor farmers in the developing
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world, and many of those products won't even reach the regions where they are most needed. Biotech firms have a strong financial incentive to target rich markets first in order to help them rapidly recoup the high costs of product development. But some of these companies are responding to needs of poor countries.
[J] More and more biotech research is being carried out in developing countries. But to increase the impact of genetic research on the food production of those countries, there is a need for better collaboration between government agencies--both local and in developed countries--and private biotech firms. The ISAAA, for example, is successfully partnering with the U. S. Agency for International Development, local researches and private biotech companies to find and deliver biotech solutions for farmers in developing countries.
Will \"Franken-foods\" feed the world?
[K]Biotech is not a panacea ( 治百病的药), but it does promise to transform agriculture in many developing countries. If that promise is not fulfilled, the real losers will be their people, who could suffer for years to come. [L] The world seems increasingly to have been divided into those who favor genetically modified foods and those who fear them. Advocates assert that growing genetically altered crops can be kinder to the environment and that eating foods from those plants is perfectly safe. And, they say, genetic engineering--which can induce plants to grow in poor soils or to produce more nutritious foods—will soon become an essential tool for helping to feed the world's burgeoning( 迅速发展的) population. Skeptics contend that genetically modified crops could pose unique risks to the environment and to health--risks too troubling to accept placidly. Taking that view, many European countries are restricting the cultivation and importation of genetically modified agricultural products. Much of the debate are concerned about of safety. But what exactly does recent scientific research say about the hazards?
[M] Two years ago in Edinburgh, Scotland, eco-vandals stormed a field, crushing canola plants. Last year in Maine, midnight raiders hacked down more than 3,000 experimental poplar trees. And in San Diego, protesters smashed sorghum and sprayed paint over greenhouse walls. This far-flung outrage took aim at genetically
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modified crops. But the protests backfired: all the destroyed plants were
conventionally bred. In each case, activists mistook ordinary plants for genetically modified varieties.
[N] It's easy to understand why. In a way, genetically modified crops--now on some 109 million acres of farmland worldwide--are invisible. You can't see, taste or touch a gene inserted into a plant or sense its effects on the environment. You can't tell, just by looking, whether pollen containing a foreign gene can poison butterflies or fertilize plants miles away. That invisibility is precisely what worries people. How, exactly, will genetically modified crops affect the environment--and when will we notice?
[O] Advocates of genetically modified or transgenic crops say the plants will benefit the environment by requiring fewer toxic pesticides than conventional crops. But critics fear the potential risks and wonder how big the benefits really are. \"We have so many questions about these plants,\" remarks Guenther Stotzky, a soft microbiologist at New York University. \"There's a lot we don't know and need to find out. \"As genetically modified crops multiply in the landscape, unprecedented numbers of researchers have started fanning into the fields to get the missing information. Some of their recent findings are reassuring; others suggest a need for vigilance.
46. According to the UN's prediction, the population growth from now to 2050 is nearly all in developing countries. 47. Those people and countries restricting and opposed to planting and importing of genetically modified $ plants worry about their safety. 48. The boosters of genetically modified crops argue that these altered plants need fewer toxic pesticides.
49. The mosaic virus led to the loss of more than half of African main food two years ago.
50. Genetically modified crops can help to improve nutrient contents and farming productivity.
51. The most important factor that leads to hunger in developing countries is
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poverty, not crops lost.
52. The far-flung outrage destroys fields and plants because they misidentified ordinary plants for genetically modified varieties.
53. The debate on genetically modified foods is more heated in developing countries with fast-growing and half-starved populations.
54. One third of corn planted in America was genetically modified corn last year. 55. Majority of people believe genetically modified crop causes environmental problems.
语篇分析
46. According to the UN's prediction, the population growth from now to 2050 is nearly all in developing countries
译文 根据联合国的预测，从现在到2050年的人口增长几乎都集中在发展中家。
定位 关键词UN，2050，in developing countries定位到原文划线句。 47. Those people and countries restricting and opposed to planting and importing of genetically modified plants worry about their safety. 译文 对转基因农作物产品的种植和进口持限制与反对态度的人们和国家所担心的足其安全问题。 定位 由关键词restricting，safety定位到原文划线句。
48. The boosters of genetically modified crops argue that these altered plants need fewer toxic pesticides. 译文 转基因作物支持者辩称转基因作物需要更少的有毒杀虫剂。 定位 由关键词fewer toxic pesticides定位到原文划线句。
49. The mosaic virus led to the loss of more than half of African main food two years ago.
译文 两年前，花叶病毒导致非洲的主要食物损失了一半以上。 定位 由关键词The mosaic virus，half，African定位到原文划线句。 50. Genetically modified crops can help to improve nutrient contents and
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farming productivity.
译文 转基因作物有助于改善作物的营养成分和农业生产力。
定位 由关键词Genetically modified，nutrient，farming productivity定位到原文划线句。
51. The most important factor that leads to hunger in developing countries is poverty, not crops lost.
译文 在发展中国家，导致饥饿的最重要原因是贫穷，而非作物损失。 定位 由关键词poverty，developing countries定位到原文划线句。 52. The far-flung outrage destroys fields and plants because they misidentified ordinary plants for genetically modified varieties.
译文 这些暴行破坏了田地与农作物，他们把一般作物误认为是转基因作物。 定位 由关键词far-flung outrage，destroys定位到原文划线句。 53. The debate on genetically modified foods is more heated in developing countries with fast-growing and half-starved populations. 译文 在人口快速增长且吃不饱饭的发展中国家，对于转基因作物的争议更加激烈。
定位 由关键词developing countries.population定位到原文划线句。 54. One third of corn planted in America was genetically modified corn last year. 译文 秘去年，美国转基因玉米的种植面积占到了三分之一。
定位 由关键词third，planted，America，last year定位到原文划线句。 55. Majority of people believe genetically modified crop causes environmental problems. 译文 大多数人认为转基因作物会引起环境问题。
定位 由关键词people，environmental定位到原：史划线句。
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2014年6月英语六级选词填空习模拟练习附答案(1)
Directions: In this section, there is apassage with ten blanks. You are required to select one word for each blankfrom a list of choices given in a word bank following the passage. Read thepassage through carefully before making your choices. Each choice in the bankis identified by a letter. Please mark the corresponding letter for each itemon Answer Sheet 2 with a single line through the centre. You may not use any ofthe words in the bank more than once.
A novel way of making computer memories, using bacteriaFOR half a century, the (1) __________of progress in the computer industry has been to do more with less.
Moore's law famously observes that the number of transistors which can be crammed into a given space (2)__________ every 18 months. The amount of data that can be stored has grown at a similar rate. Yet as (3)__________ get smaller, making them gets harder and more expensive. On May 10th Paul Otellini, the boss of Intel, a big American chipmaker, put the price of a new chip factory at around $10 billion. Happily for those that lack Intel's resources, there may be a cheaper option—namely to mimic Mother Nature, who has been building tiny (4)__________, in the form of living cells and their components, for billions of years, and has thus got rather good at it. A paper published in Small, a nanotechnology journal , sets out the latest example of the (5)__________. In it, a group of researchers led by Sarah Staniland at the University of Leeds, in Britain, describe using naturally occurring proteins to make arrays of tiny magnets,
similar to those employed to store information in disk drives.
The researchers took their (6)__________ from Magnetospirillum magneticum, a bacterium that is sensitive to the Earth's magnetic field thanks to the presence within its cells of flecks of magnetite, a form of iron oxide.
Previous work has isolated the protein that makes these miniature compasses.
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Using genetic engineering, the team managed to persuade a different bacterium—Escherichia coli, a ubiquitous critter that is a workhorse of biotechnology—to (7)__________ this protein in bulk.
Next, they imprinted a block of gold with a microscopic chessboard pattern of chemicals.
Half the squares contained anchoring points for the protein. The other half were left untreated as controls.
They then dipped the gold into a solution containing the protein, allowing it to bind to the treated squares, and dunked the whole lot into a heated (8)__________ of iron salts.
After that, they examined the results with an electron microscope. Sure enough, groups of magnetite grains had materialised on the treated squares, shepherded into place by the bacterial protein. In principle, each of these magnetic domains could store the one or the zero of a bit of information, according to how it was polarised. Getting from there to a real computer memory would be a long road. For a start, the grains of magnetite are not strong enough magnets to make a useful memory, and the size of each domain is huge by modern computing (9)__________. But Dr Staniland reckons that, with enough tweaking, both of these objections could be dealt with. The (10)__________ of this approach is that it might not be so capital-intensive as building a fab. Growing things does not need as much kit as making them.
If the tweaking could be done, therefore, the result might give the word biotechnology a whole new meaning.
A) components B) advantage C) standards D) compliments E) essence F) inspiration G) disadvantage H) doubles I) solution J) resolution K) devices L) manufacture M) spirit N) product O) technique
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参考答案： 1.E)essence 2.H)doubles 3.A)components 4.K)devices 5.O)technique 6.F)inspiration 7.L)manufacture 8.I)solution 9.C)standards 10.B)advantage
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2014年6月大学英语六级仔细阅读练习题附答案及解析(2)
Passage One
Questions 56 to 60 are based on the following passage.
There is a certain inevitability that ebook sales have now overtaken paperback sales on Amazon's US site. Amazon's Kindle 2 is so light and so cheap that it's easy to see why people have rushed to buy it. Though I'm still not keen on the design of the Kindle, it is a vast improvement on its predecessor and certainly tolerable. Beyond the device itself, Amazon has done a great job of rolling out Kindle apps, ensuring that people like me-who have an iPad but not a Kindle-can still join in the fun. Once you're into the Kindle ecosystem, Amazon locks you in tightly-just as Apple does with its iTunes/ iPod ecosystem. It's so easy to buy from Amazon's store and the books are so cheap that it's not worth the effort of going elsewhere. While I remain opposed to Amazon's DRM (数字版权管理)-indeed, I'm opposed to DRM on any ebooks-I have to admit that the implementation is so smooth that most Kindle users won't care at all that their ebooks can't be moved to other devices.
The ebook trend is nowhere near peaking. Over the next five years we can expect to see more and more readers move away from printed books and pick up ebooks instead. But I don't think that will mean the death of the printed book. There are some who prefer printed books. They like having shelves filled with books they've read and books they plan to read; they like the feel of the book in their hands and the different weights and typefaces and layouts of different titles. In other words, they like the physical form of the book almost as much as the words it contains.
I can sympathise with those people. As I wrote earlier this week, my ideal situation would be for publishers to bundle ebooks with printed ones-in much the same way that film studios btmdie DVDs with digital copies of films. There's no reason to think that lovers of printed books will change their minds. There will undoubtedly be fewer of them as time goes by because more people will grow up with
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ebooks and spend little time with printed ones. However, just as there are people who love vinyl records(黑胶唱片), even if they were born well into the CD era, there will still be a dedicated minority who love physical books.
Since there are fewer of these people, that will mean fewer bookshops and higher prices for printed books but I don't think the picture is entirely bleak. There is scope for smaller print runs of lavishly designed printed books and bookshops aimed at book lovers, rather than the Stieg Larsson-reading masses. With mainstream readers out of the printed book market, book lovers might even find they get a better experience.
56. What can be inferred from Paragraph One?
A．Most people buy Kindle 2 mainly because of its low price. B．The author of the passage is a loyal customer of Apple products. C．Amazon's Kindle 2 surpassed Kindle 1 in designing. D．The sales of ebook outnumbered those of paperback in the U. S. 57. According to the passage, the reason why the author opposes to Amazon's DRM is that ______
A．ebooks can only be purchased on Amazon. com B．Kindle books are not compatible with other electronic reading devices C．once implemented, ebooks can't be transferred to other equipments D．ebooks installed on Kindle 2 can't be edited freely 58. It can be learned that the trend of ebooks______ A．will come to stop any time soon B．will reach the summit in the near future C．will meet its heyday when printed books die D．has already reached its peak
59. Why does the author believe that the surging sales of ebooks won't mean the death of the printed book?
A．Because a minority will stick to their love of printed books. B．Because the majority of book lovers won't change their minds.
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C．Because people always hold nostalgic feelings towards printed books. D．Because people will return to the printed books as time goes by.
60. According to the author, which of the following is TRUE about the future of printed books?
A．They will be bundled with ebooks.
B．They will no longer be available in the market. C．They will be sold in small quantity and high quality. D．They will be redesigned to cater to the masses.
Passage Two
Questions 61 to 65 are based on the following passage. It would be all too easy to say that Facebook's market meltdown is coming to an end. After all, Mark Zuckerberg's social network burned as much as $ 50 billion of shareholders' wealth in just a couple months. To put that in context, since its debut(初次登台) on NASDAQ in May, Facebook has lost value nearly equal to Yahoo, AOL, Zynga, Yelp, Pandora, OpenTable, Groupon, LinkedIn, and Angie's List combined, plus that of the bulk of the publicly traded newspaper industry: As shocking as this utter failure may be to the nearly 1 billion faithful Facebook users around the world, it's no surprise to anyone who read the initial public offering (IPO) prospectus (首次公开募股说明书). Worse still, all the crises that emerged when the company debuted-overpriced shares, poor corporate governance, huge challenges to the core business, and a damaged brand-remain today. Facebook looks like a prime example of what Wall Street calls a falling knife-that is, one that can cost investors their fingers if they try to catch it.
Start with the valuation(估值). To justify a stock price close to the lower end of the projected range in the IPO, say $ 28 a share, Facebook's future growth would have needed to match that of Google seven years earlier. That would have required increasing revenue by some 80 percent annually and maintaining high profit margins all the while.
That's not happening. In the first half of 2012, Facebook reported revenue of
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$ 2.24 billion, up 38 percent from the same period in 2011. At the same time, the company's costs surged to $ 2.6 billion in the six-month period.
This so-so performance reflects the Achilles' heel of Facebook's business model, which the company clearly stated in a list of risk factors associated with its IPO: it hasn't yet figured out how to advertise effectively on mobile devices, The number of Facebook users accessing the site on their phones surged by67 percent to 543 million in the last quarter, or more than half its customer base.
Numbers are only part of the problem. The mounting pile of failure creates a negative feedback loop that threatens Facebook's future in other ways. Indeed, the more Facebook's disappointment in the market is catalogued, the worse Facebook's image becomes. Not only does that threaten to rub off on users, it's bad for recruitment and retention of talented hackers, who are the lifeblood of Zuckerberg's creation.
Yet the brilliant CEO can ignore the sadness and complaints of his shareholders thanks to the super- voting stock he holds. This arrangement also was fully disclosed at the time of the offering. It's a pity so few investors apparently bothered to do their homework.
61. What can be inferred about Facebook from the first paragraph? A．Its market meltdown has been easily halted. B．It has increased trade with the newspaper industry. C．It has encountered utter failure since its stock debut. D．Its shareholders have invested $ 50 billion in a social network. 62. The crises Facebook is facing_____ A．have been disclosed in the IPO prospectus B．are the universal risks Wall Street confronts C．disappoint its faithful users D．have existed for a long time
53. To make its stock price reasonable, Facebook has to____
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A．narrow the IPO price range B．cooperate with Google C．keep enormously profitable D．invest additional $ 2.6 billion
64. It can be inferred from the context that the \"Achilles' heel\" (Line 1, Para. 5) refers to____
A．deadly weakness B．problem unsolved C．indisputable fact D．potential risk
65. What effect will Facebook's failure in the market have? A．Its users' benefits will be threatened. B．Talented hackers will take down the website. C．The CEO will hold the super-voting stock. D．The company's innovation strength will be damaged.
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答案解析：
56．C)。定位：由题干提示定位到第一段第三句：Though I'm still not keen Oil the design of the Kindle，it is a vast improvement Oil its predecessor and certainly tolerable．
详解：推理判断题。本题考查对第一段的理解。定位句指出“尽管我还是对Kindle的设计提不起兴趣． 但较之第一代确实有了相当大的改进，还是非常不错的”，即Kindle 2在设计上要优于Kindle l，故答案为 C)。A)“大多数人购买Kindle 2主要是由于其价格便宜”，文章第一段第二句指出“亚马逊的电子书Kindle 2 既轻薄又便宜，这也就不难理解人们为何会蜂拥购买”，而非仅仅因为价格原因，故排除；B)“本文作者是 APPLE产品的忠实顾客”，文章第一段第四句提到作者有iPad而没有Kindle，但不能由此推出作者是APPLE 产品的忠实顾客，为过度推断，故排除；D)“在美国，电子书的销量已经超过了纸质书籍的销量”，第一段笫一句指出亚马逊美国站的电子书籍销量远远超过纸质书籍，而非在全美国，故排除。
57．c)定位：由题干中的Amazon's DRM定位到第二段第一句：I have to admit that the implementation is so smooth that most Kindle users won't care at all that their ebooks can’t be moved to other devices： 详解：事实细节题。本题考查作者对亚马逊的数字版权管理持反对态度的原因。定位句提到“我不得不承认安装过程实在是太便捷了，以至于大多数Kindle用户并不介意电子书无法安装到其他设备上”，由此可知，电子书一旦安装后，不可以在其他设备上再次使用，C)中的transfer，equipments分别对应定位句中的move和devices，故为答案。A)“电子书只能在亚马逊网站上购买”原文并未提及，故排除；B)“Kindle电子 书与其他电子阅读设备不兼容”是对定位句的曲解，故排除；D)“在Kindle 2上安装的电子书不能随意编辑” 原文并未提及，故排除。
58．B)。定位：由题干中的trend of ebooks定位到原文第三段第一句：The ebook trend is nowhere near Deaking． 详解：事实细节题。本题考查电子书的发展趋势。定位句提到，电子书的发展趋势正在无限接近顶峰。换言之，电子书的
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发展趋势很快就会接近顶峰，故B)为答案。A)“电子书的发展趋势很快就会停下来”、C) “电子书的发展趋势在纸质书消失时将达到顶峰”和D)“电子书的发展趋势已经达到顶峰”均为定位句的曲 解，故排除。
59．A)。定位：由题干中的the death of the printed book定位到第五段最后一句：However，just as there are people who love vinyl records，even if they were born well into the CD era，there will still be a dedicated minority who love physical books．
详解：事实细节题。本题考查作者认为电子书不会造成纸质书籍消亡的原因。定位句提到“然而，正如有些生活在CD时代却依然热爱黑胶唱片的人一样，会有少数人仍然坚定地爱着纸质书”，由此可知，仍有一部分人会坚持购买纸质书籍，故答案为A)。第五段第四句指出“随着时间的流逝，这群人的数量无疑会 减少，因为更多的人将养成电子阅读习惯，在纸质书上花费的时问将越来越少”，由此可知大部分书籍爱好者会改变阅读习惯，而非坚持原来的选择，故排除B)“大部分纸质书籍爱好者不会改变选择”；C)“因为人们对于纸质书籍总是抱有怀旧情怀”和D)“随着时间的流逝，人们会重新选择阅读纸质书籍”，在原文中均未提及，故排除。
60．C)。定位：由题干中的the future of printed books和选项定位到最后一段第二句：There is scope for smaller print runs of lavishly designed printed books and bookshops aimed at book lovers．rather than the Stieg Larsson—reading masses．
详解：事实细节题。本题考查纸质书的发展趋势。由定位句可知，面向大众群体的斯泰格拉尔森式阅读将被淘汰，取而代之的是针对爱书者而设的装帧精美、数量不多的印刷本和书店。C)中的small quantity和better quality分别对应原文的smaller print，lavishly designed，故为答案。第五段第一句提到“理想的情况是出版商把电子书和印刷本捆绑出售”，而非未来的趋势，A)“纸质书籍会和电子书捆绑出售”为过度推断，故排 除；第五段最后一句指出“还会有一小部分人购买纸质书籍”，故排除B)“纸质书籍会从市场上消失”；D)“纸质书籍会迎合大众做出调整”原文并未提及，故排除。
61．C)。定位：由题干定位到原文第一段。
详解：推理判断题。本题考查第一段的主旨大意。此种题型可以使用排除法，将各选项代入原文来验证对错。A)“脸谱网的市场崩溃已被轻而易举地制止了”，
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原文开篇指出，说脸谱网的市场崩溃将要结束未免太简单了．A)与原文不符，故排除；B)“脸谱网增加了与报纸业之间的商务往来”，原文首段末句plus that of„ 中的that指的是value，意指脸谱网自登陆纳斯达克以来，损失的价值等同于几个大型互联网企业加上大部分报业价值的总和，B)与原文不符，故排除；C)“脸谱网自股票上市以来遭遇了巨大失败”，由第一段中的 burned，lost等词可以推断脸谱网上市后遭遇了巨大失败，故为答案；D)“脸谱网的股东们投资了500亿美元给一家社交网”是对第一段第二句话的错误理解，故排除。
62．D)。定位：由题干中的crises和Facebook定位到原文第二段第二句：Worne still，all the cnses姒emerged when the company debuted--overpriced shares，poor corporate governance，huge challenges to the core business，and a damaged brand--remain today．
详解：事实细节题。D)‘‘已经存在很长时间了”，与定位句中remain today的意思相同，故为答案。 A)“已经显示在公开募股说明书中”，第二段首句只是提到看过脸谱网公开募股说明书的人对其失败不会感 到震惊，并未表明脸谱网在其公开募股说明书中公开了所面l临的危机，属于推断过度，故排除；B)“是华尔街所面临的普遍危机”和C)“使得忠实用户对其失望”原文均未提及，故排除。
63．C)。定位：由题干中的stock price和Facebook定位到原文第三段第二、三句：To justify a stock price close to the lower end of the projected range in the IP0„That would have required increasing revenue by some 80 percent annually and maintaining high profit margins all the while．
详解：事实细节题。本题考查脸谱网如何才能使其制定的股价合理，题干中的reasonable对应原文中的justify。定位句提到，要实现接近其公开募股说明书上的较低股价，比如每股28美元，这就要求脸谱网年收益增长要高达80％，并始终保持高利润率，故答案为c)。A)“缩小公开募股中的价格范围，，原文未提及，故排除；B)“和谷歌进行合作”，原文只是提到要实现接近其公开募股说明书上的较低股价，脸谱网未来的发展将必须达到7年前谷歌那样的增长规模，故排除；D)“再投资26亿美元”，文中26亿美元是脸谱网上半年的运 营成本而不是投资，故排除。
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64．A)。定位：由题干定位到原文第五段第一句：This S0—SO performance renects The Achilles，heel of Facebook’s business model„
详解：语义理解题。本段提到，脸谱网现在还未解决如何有效地在移动设备上做广告这一问题，而用手机登录其网站的用户数量却不断飙升，且文章通篇语义色彩都是消极的，故可推出此处应指脸谱网商业模式中的致命软肋，故答案为A)。
65．D)。定位：由题于中的Facebook’s failure in the market定位到原文倒数第二段最后两旬：Indeed, the more Facebook’s disappointment in the market is catalogued„it’s bad for recruitment and reterItion of talented hackers，who are the lifeblood of Zuckerberg’s creation．
详解：推理判断题。由定位句可知，脸谱网在市场上的失意不仅会影响到用户，还会影响招募和挽留天才 黑客，而这些人正是扎克伯格创造力的命脉。由此推知，脸谱网的创新力会因其市场失意而受到损害，故答案为D)。A)“会威胁用户的利益”，定位句中的run off on tlser8意指“影响用户数量”，故排除；B)“天才黑客们会攻击其网站”原文未提及，故排除；C)“执行总裁会持有带超级投票权的股票”是最后一段提到的一个事实，而非脸谱网市场失意带来的影响，故排除。
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2014年6月英语六级长篇阅读匹配练习题附答案解析(2)
Section B
10 Ways Obama Could Fight Climate Change
[A] One of the biggest surprises of President Barack Obama's inaugural address,on Monday was how much he focused on fighting climate change, spending more time on that issue than any other. \"We will respond to the threat of climate change, knowing that the failure to do so would betray our children and future generations,\" Obama said. The President pointed out that recent severe weather supplied an urgent impetus for energy innovation and staked the nation's economic future on responding to a changing climate. \"We cannot cede to other nations the technology that will power new jobs and new industries--we must claim its promise,\" Obama said. '\" That's how we will maintain our economic vitality and our national treasure--our forests and waterways; our croplands and snowcapped (山顶积雪的) peaks. That is how we will preserve our planet, commanded to our care by God. \" so what could the President reasonably do to deliver on that vow? Here are ten of their suggestions:
Sunset coal with new incentives and regulations. [B] \"Provide incentives to phase out the oldest, most polluting power plants,\" said Robert Jackson, a climate scientist at Duke University. It's already happening, to some degree, as more of the nation transitions to natural gas. Earth scientist Bill Chameides, dean of Duke's Nicholas School of the Environment and a former chief scientist at the Environmental Defense Fund, urges the administration to use its Clean, Air Act authority to promulgate (颁布 )carbon regulations for existing power plants like it has for new ones: \"Doing that will force fuel switching from coal to natural gas. \"Invest federal stimulus money in nuclear power.
[C] It's hardly a perfect fuel, as accidents like Japan's Fukushima fallout have shown, but with safety precautions new nuclear plants can meaningfully offset dirtier types of energy, supporters say.\"Nuclear is the only short-to medium-term way to really get away from fossil fuels,\" said Peter Raven. President emeritus of the
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Missouri Botanical Garden. He said the damage done by relentless global warming will far exceed the damage done by faults in the nuclear system.
Kill the Keystone pipeline.
[D] The controversial Keystone XL oil pipeline is up for review again by the White House this year. \"The font thing he should do to set the tone to a lower carbon economy is to reject the Keystone pipeline, “said Raymond Pierrehum Bert, a geophysical scientist at the University of Chicago. The pipeline was never going to be a major driver of global emissions, but Pierre humbert and some other environmentalists say that by killing it the President would send a clear message about America's intent to ramp down fossil fuels.
Protect the oceans by executive order.
[E] Land use is complicated, but large swaths of oceans can be protected by executive order. Just as President George W. Bush designated the world's largest marine monument northwest of Hawaii in 2006. Obama could single-handedly protect other areas. National Geographic Explorer-in-Residence Sylvia Earle said the President should focus on parts of the Arctic that are under U. S. control, putting them off limits to energy production, commercial fishing, and mineral exploration. Marine sanctuaries (禁捕区) won't stop climate change, but they can give marine species a better chance of adapting to it by reducing the other man-made threats the animals face.
Experiment with capturing carbon. [F] Huge untapped reserves of natural gas and oil make it unlikely that the U. S. will transition away from fossil fuels in the immediate future. Instead, said Wallace Broecker, geology professor at Columbia University's Lamont-Doherty Earth Observatory, we should attack the atmosphere's carbon surplus directly. \"Obama could make available funds to build and test prototype air capture units\" to capture and store CO2, said Broecker. Removing some carbon from the atmosphere could buy valuable time as policy makers and scientists explore more permanent solutions.
Grow government research for new energy sources.
[G] The Department of Energy has a nimble program that's tasked with
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innovative energy research—the Advanced Research Projects Agency-Energy. The ARPA-E funds research in biofuels, transmission,and battery storage, with an annual budget of $ 275 million. Last year, DOE officials requested at least $ 75 million more. Increasing funding for ARPA-E, said Rare Pomerance, former deputy assistant secretary of state for environment and development and currently an environmental consultant, \"you get new technologies that undercut coal, oil, and gas. \" Plus, he said, yon get a competitive advantage if American researchers uncover the next big idea in new energy.
Tax carbon.
[H] Congress would have to agree, but many climate experts say that the most meaningful way to tackle emissions is to set a price on carbon. \"We should be asking people to pay the cost of putting carbon into the atmosphere as they buy the fuel,\" said Josh Willis, climate scientist and oceanographer at NASA's Jet Propulsion Laboratory. To gain political support for the idea, Obama would probably have to show that the tax wonld help accelerate technology, grow new industries, and pay down the deficit. Dial back the federal government's energy use. [I] With more than I. 8 million employees, $ 500 billion in annual purchasing power, and 500,000 buildings to operate, the federal government has been a leader in reducing energy use since Obama signed a 2009 executive order to cut waste. \"I would urge him to keep using the power of government to promote energy conservation,\" said Syndonia Bret-Harte, an Arctic biologist who studies climate change at the University of Alaska, Fairbanks. Build a scientific clearinghouse for climate information. [J] \"I advocate for building a better information system on what is happening and why,\" said Kevin Tren berth, head of the Climate Analysis Section at the U. S. National Center for Atmospheric Research. That involves compiling observations related to climate change from around the world and using the data to refine climate modeling. Think of it as a one-stop, user-friendly website that clearly demonstrates how weather data from around the globe are influenced by broader shifts in the planet's climate.
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Keep talking. Despite a consensus among top scientists, the world still needs some convincing on climate change.
[K] A CNN poll last week found that just 49 percent of Americans agree that global warming is real and is due to human activities. \"The most important thing the President can do is to build on his inaugural comments to heighten the sense of urgency about rapid climate destabilization and clarify its connection to virtually every other issue on the national agenda,\" said David Orr, environmental studies professor at Oberlin College. That means using the bully clergymen to show how a more volatile climate affects everything from agriculture to transportation to 21st-century warfare.
46. The urge to promulgate carbon regulations is aimed at pushing power plants to replace coal by natural gas.
47. Marine sanctuaries should be preserved because they help sea species adapt to climate alteration.
48. The government should take the responsibility to raise Americans' awareness about climate change.
49. Many climate experts believe that the most effective way to lower emission is to tax on carbon. 50. Nuclear supporters argue that nuclear system failures are less challenging than global warming. 51. Recent extreme weather made President Obama feel it is urgent to address climate change. 52. Keystone pipeline should be rejected because it is a signal to reduce fossil fuels.
53. Since Obama signed a 2009 executive order to cut waste, the federal government has taken the lead in saving energy.
54. Lower carbon emission will be most likely to happen if research in new energy resources succeeds.
55. Compared with turning to new energy, America prefers carbon capture and
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store as a temporary measure.
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语篇分析
46. The urge to promulgate carbon regulations is aimed at pushing power plants to replace coal by natural gas.
译文 推动颁布碳法规的目的在于迫使燃料从煤炭转向天然气。
定位 由关键词promulgate carbon regulations，coal，natural gas定位到原文划线句。
47. Marine sanctuaries should be preserved because they help sea species adapt to climate alteration.
译文 秘海洋禁捕区应予以保留，因为它们可以让海洋生物更好地适应气候变化。
定位 关键词 Marine sanctuaries，sea species定位到原文划线句。
48. The government should take the responsibility to raise Americans' awareness about climate change.
译文 秘政府应该承担起责任，加强美国民众对气候变化的认识。 定位 由关键词Americans’awareness定位到原文划线句。
49. Many climate experts believe that the most effective way to lower emission is to tax on carbon.
译文 气候专家认为解决碳排放问题最有效的方法就是征税。 定位 关键词Many climate experts定位到原文划线句。
50. Nuclear supporters argue that nuclear system failures are less challenging than global warming. 译文 核能支持者认为核能事故的危害比起全球变暖的危害要小。 定位 由关键词Nuclear supporters，less challenging，global warming定位到原文划线句。
51. Recent extreme weather made President Obama feel it is urgent to address climate change.
译文 近期的极端天气让奥巴马总统感到应对气候变化的任务越来越紧迫。 定位 由关键词extreme weather，Obama，climate change定位到原文划线句。 52. Keystone pipeline should be rejected because it is a signal to reduce fossil fuels.
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译文 重点输油管道项目应该被否决，因为这是减少化石燃料的信号。 定位 由关键词Keystone pipeline定位到原文划线句。
53. Since Obama signed a 2009 executive order to cut waste, the federal government has taken the lead in saving energy.
译文 自从奥巴马总统在2009年下令减少废气排放之后，联邦政府一直是节能方面的领导者。
定位 关键词0bama，2009 executive order，cut waste，lead定位到原文划线句。
54. Lower carbon emission will be most likely to happen if research in new energy resources succeeds.
译文 如果新能源研究成功，碳排放很有可能会獭少。 定位 由关键词new energy定位到原文划线句。 55. Compared with turning to new energy, America prefers carbon capture and store as a temporary measure.
译文 与新能源相比起来，美国更倾向于将碳获取与存储作为临时措施。 定位 由关键词carbon capture and store定位到原文划线句。
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2014年6月英语六级选词填空习模拟练习附答案(2)
There is a popular belief among parents that schools are no longer interested inspelling .No school I have taught in has ever _____ spelling or considered it unimportantas a basic skill. There are, however , vastly different ideas about how to teach it , or howmuch _____ it must be given over general language development and writing ability. Theproblem is , how to encourage a child to express himself freely and _____ in writing without holding him back with the complexities of spelling?If spelling become the only focal point of his teacher’s interest, clearly a __4__child will be likely to “play safe”. He will tend to write only words within his spelling range,choosing to avoid __5__ language. That’s why teachers often __6__ the early use ofdictionaries and pay attention to content rather than technical ability.I was once shocked to read on the bottom of a sensitive piece of writing abouta personal experience ：“ This work is __7__ !There are far too many spelling errors andyour writing is illegible( 难以辨认的 ).” It may have been a sharp__8__ of the pupil’stechnical abilities in writing, but it was also a sad reflection on the teacher who had omittedto read the essay, which __9__ some beautiful expressions of the child’s deePfeelings.The teacher was not wrong to draw attention to the errors, but if his priorities had centredon the child’s ideas, an expression of his disappointment with the presentation would havegiven the pupil more __10__ to seek improvement. A)priority B)criticism C)contained D)clearly E)adventurous F)discourage G)motivation H)terrible I)ignored J)difficult )encourage L)expressed M)confidently N)bright O)motive
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参考答案： 1. I 2. A 3. M 4. N 5. E 6. K 7. H 8. D 9. C 10. G
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