六级The effect of policies generating long-term resource concentration has also created a distinctive set of universities which are research-led and commercially active.
产生长期资源集中的政策效应也创造了一批独特的大学，这些大学以研究为主导，商业活动活跃。
2011年12月阅读原文
四级But after about 10 minutes my mind begins to wander and I lose concentration.
但大约10分钟后，我的大脑开始游荡，我失去了注意力。
2018年12月四级真题（第一套）听力 Section B
四级Breakfast is also associated with improved brain function, including concentration and language use.
早餐还可以改善大脑功能，包括注意力和语言使用。
2019年12月四级真题（第三套）阅读 Section B
考研The potential of this work applied to healthcare is very great, but it could also lead to further concentration of power in the tech giants.
这项工作应用于医疗保健的潜力非常巨大，但也可能导致科技巨头的权力进一步集中。
2018年考研阅读原文
考研The potential of this work applied to healthcare is very great, but it could also lead to further concentration of power in the tech giant.
这项工作应用于医疗保健的潜力非常巨大，但也可能导致这家科技巨头的权力进一步集中。
2018年考研真题（英语一）阅读理解 Section Ⅱ
高考A Swiss study reported that while the weight of electronic goods represented by precious metals was relatively small in comParison to total waste, the concentration of gold and other precious metals was higher in so-called e-waste than in nature.
瑞士的一项研究报告称，虽然贵金属所代表的电子产品的重量与废物总量相比相对较小，但所谓的电子废物中黄金和其他贵金属的浓度高于自然界。
2015年高考英语江苏卷 阅读理解 阅读B 原文
四级And no studies found that eating breakfast was bad for concentration.
没有研究发现吃早餐不利于注意力的集中。
2019年12月四级真题（第三套）阅读 Section B
四级"Looking at studies that tested concentration, the number of studies showing a benefit was exactly the same as the number that found no benefit," she says.
“看看测试浓度的研究，显示有益的研究数量与没有发现有益的研究数量完全相同，”她说。
2019年12月四级真题（第三套）阅读 Section B
高考Ocean colour varies from green to blue, depending on the type and concentration of phytoplankton.
海洋的颜色从绿色到蓝色不等，这取决于浮游植物的类型和浓度。
2019年高考英语北京卷 阅读理解 阅读D 原文
六级It seems clear that the concentration of research and commercialisation work creates differences between universities
显然，研究和商业化工作的集中造成了大学之间的差异
2011年12月阅读原文
四级Japanese listeners sometimes closed their eyes to enhance concentration
日本听众有时闭上眼睛以提高注意力
2011年12月听力原文
四级Japanese listeners sometimes closed their eyes to enhance concentration.
日本听众有时闭上眼睛以提高注意力。
2011年12月听力原文
六级It seems clear that the concentration of research and commercialisation work creates differences between universities.
很明显，研究和商业化工作的集中造成了大学之间的差异。
2011年12月英语六级真题
四级Whenever possible, do routine work in the afternoon and save tasks requiring more energy or concentration for your sharper hours.
只要可能，在下午做一些日常工作，把需要更多精力或注意力的任务留到更繁忙的时间。
1990年1月英语四级真题
四级But in America,air sampling balloons
have detected high concentrations of particles similar to those collected in Kuwait.
但在美国，空气采样气球
2000年1月大学英语四级(CET-4)真题
四级To prepare children for successful careers in first grade and beyond, Japanese schools do not teach reading, writing, and mathematics, but rather skills such as persistence, concentration, and the ability to function as a member of a group.
为了让孩子们在一年级及以后的职业生涯中取得成功，日本学校不教授阅读、写作和数学，而是教授坚持、专注和作为团队成员的能力等技能。
2005年1月大学英语四级(CET-4)真题
四级A study published recently in the journal Nature shows that air-borne leaded gas emissions from the United States were the leading contributor to the high concentration of lead in the snow in Greenland.
最近发表在《自然》杂志上的一项研究表明，美国的空气含铅气体排放是导致格陵兰雪中铅浓度高的主要原因。
2005年1月大学英语四级(CET-4)真题
四级“Looking at studies that tested concentration the number of studies showing a benefit was exactly the same as the number that found no benefit,” she says.
她说：“从测试浓度的研究来看，显示有益处的研究数量与未发现有益处的数量完全相同。”。
2019年12月大学英语四级真题（第2套）
四级“And no studies found that eating breakfast was bad for concentration.
“没有研究发现吃早餐不利于集中注意力。
2019年12月大学英语四级真题（第2套）
考研To most people, cities have traditionally been the areas where there was a concentration of culture as well as of opportunity.
对大多数人来说，城市传统上是文化和机会集中的地区。
1987年全国硕士研究生入学统一考试英语试题
考研In recent years, however, people have begun to become aware that cities are also areas where there is a concentration of problems.
然而，近年来，人们开始意识到，城市也是问题集中的地区。
1987年全国硕士研究生入学统一考试英语试题
考研Long before this century started, there had begun a trend toward the concentration of the poor of the American society into the cities.
早在本世纪开始之前，美国社会的穷人就已经开始向城市集中。
1987年全国硕士研究生入学统一考试英语试题
考研Actually, because of wind and other factors, the loss of water in proportion to carbon dioxide intake may be even greater than the relative concentrations of the two gases.
事实上，由于风和其他因素，水的损失与二氧化碳的摄入量成比例，甚至可能大于这两种气体的相对浓度。
1991年全国硕士研究生入学统一考试英语试题
考研Many in these countries are looking at this process and worrying: "Won’t the wave of business concentration turn into an uncontrollable anti-competitive force? "
这些国家的许多人都在关注这一过程，并担心：“企业集中的浪潮不会变成一股无法控制的反竞争力量吗？”
2001年全国攻读硕士学位研究生入学考试英语试题
考研Examples of benefits or costs of the current concentration wave are scanty.
当前集中浪潮的收益或成本的例子很少。
2001年全国攻读硕士学位研究生入学考试英语试题
考研In cars, too, concentration is increasing-witness Daimler and Chrysler, Renault and Nissan-but it does not appear that consumers are being hurt.
戴姆勒（Daimler）和克莱斯勒（Chrysler）、雷诺（Renault）和日产（Nissan）也在汽车领域越来越集中，但消费者似乎没有受到伤害。
2001年全国攻读硕士学位研究生入学考试英语试题
考研All these activities can prevent the growth of important communication and thinking skills and make it difficult for kids to develop the kind of sustained concentration they will need for most jobs.
所有这些活动都会阻碍重要的沟通和思维技能的发展，并使孩子们难以培养出大多数工作所需的持续专注力。
2007年全国硕士研究生招生考试英语试题
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