四级These patterns suggest that some types of mental flexibility decrease relatively early in adulthood, but that the amount of knowledge one has, and the effectiveness of integrating it with one's abilities, may increase throughout all of adulthood if there are no diseases, Salthouse said in a news release.
索尔特豪斯在一份新闻稿中说,这些模式表明,某些类型的心理灵活性在成年早期相对降低,但如果没有疾病,一个人拥有的知识量以及将知识与能力相结合的有效性可能会在整个成年期增加。
2016年6月阅读原文
六级Throughout these series, you will learn more about the profession, the necessary steps to get a social work degree, the rich history of social work and many ways that social workers help others.
在本系列中,您将了解更多有关社会工作的专业知识、获得社会工作学位的必要步骤、丰富的社会工作历史以及社会工作者帮助他人的许多方式。
2016年12月听力原文
四级An Ohio State University study also found that black students living with a white roommate saw higher academic success throughout their college careers.
俄亥俄州立大学的一项研究还发现,与白人室友住在一起的黑人学生在整个大学生涯中取得了更高的学业成就。
2011年6月阅读原文
六级Although these may not seem like large effects, the impact of early attention problems continued throughout the children's academic careers.
虽然这些可能看起来影响不大,但早期注意力问题的影响在儿童的整个学术生涯中持续存在。
2018年12月六级真题(第一套)阅读 Section C
高考All participants must address how communication or transportation technology has promoted the quality of life for Americans throughout history.
所有参与者都必须说明通信或交通技术在历史上是如何提高美国人的生活质量的。
2019年高考英语天津卷 阅读理解 阅读A 原文
高考I had advised the kids that while verbs may seem dull, most of the clever things they do throughout their lives will be verbs.
我曾建议孩子们,虽然动词可能看起来很枯燥,但他们一生中做的大多数聪明的事情都是动词。
2017年高考英语全国卷2 完形填空 原文
六级The protection and improvement of the human environment is a major issue which affects the well-being of peoples and economic development throughout the world, read the final declaration from this gathering, the first of a sequence which would lead to the Rio de Janeiro Earth Summit in 1992 and the World Development Summit in Johannesburg three years ago.
“保护和改善人类环境是影响全世界人民福祉和经济发展的一个重大问题,”本次会议的《最后宣言》写道,这是1992年里约热内卢地球首脑会议和三年前约翰内斯堡世界发展首脑会议的第一步。
2016年6月阅读原文
高考After you exercise, you continue to burn calories throughout the day.
运动后,你一整天都在燃烧卡路里。
2018年高考英语全国卷2 阅读理解 七选五 原文
六级"The protection and improvement of the human environment is a major issue which affects the well-being of peoples and economic development throughout the world," read the final declaration from this gathering, the first of a sequence which would lead to t
“保护和改善人类环境是影响全世界人民福祉和经济发展的一个重大问题,”本次会议的《最后宣言》读到,这是导致t
2016年6月六级真题(第三套)阅读 Section B
四级"These patterns suggest that some types of mental flexibility decrease relatively early in adulthood, but that the amount of knowledge one has, and the effectiveness of integrating it with one's abilities, may increase throughout all of adulthood if there
“这些模式表明,某些类型的心理灵活性在成年早期相对减少,但如果有必要,一个人拥有的知识量以及将其与自身能力相结合的有效性可能会在整个成年期增加
2016年6月四级真题(第一套)阅读 Section C
考研Perry incorrectly suggested, on the basis of inadequate information, that farming, pottery making, and metallurgy all originated in ancient Egypt and diffused throughout the world.
佩里根据不充分的信息错误地认为,农业、制陶和冶金都起源于古埃及,并在全世界传播。
2009年考研阅读原文
高考Mathematical models have also revealed that food webs may be unstable, where small changes of top predators can lead to big effects throughout entire ecosystems.
数学模型还表明,食物网可能是不稳定的,顶级捕食者的微小变化可能会对整个生态系统产生重大影响。
2019年高考英语天津卷 阅读理解 阅读C 原文
六级About that same time and throughout adulthood, the information you receive, especially when ideas are repeated in association with goals and achievements you find attractive, also refines your attitudes.
大约在同一时间,在整个成年期,你所收到的信息,特别是当你认为与目标和成就相关的想法被重复时,也会改善你的态度。
2019年12月六级真题(第二套)阅读 Section C
四级If the most health-conscious among us have such deep swings in our shut-eye levels throughout the year, how much sleep are the rest of us losing? They are culture-related.
如果我们中最注重健康的人一年中的睡眠水平有如此大的波动,那么我们其他人会失去多少睡眠?它们与文化有关。
2015年12月阅读原文
四级If the most health-conscious among us have such deep swings in our shut-eye levels throughout the year, how much sleep are the rest of us losing?
如果我们中最注重健康的人一年中的睡眠水平有如此大的波动,那么我们其他人会失去多少睡眠?
2015年12月四级真题(第三套)阅读 Section C
考研Renaissance ideas had spread throughout Europe well into the 17th century, with the arts and sciences flourishing extraordinarily among those with a more logical disposition.
文艺复兴思想一直传播到17世纪的整个欧洲,艺术和科学在那些更具逻辑性的人中间异常繁荣。
2020年考研真题(英语一)阅读理解 Section Ⅱ
六级Travel was arduous and costly throughout the period, possible only for a privileged class—the same that produced gentlemen scientists, authors, antique experts, and patrons of the arts.
在整个时期,旅行是艰苦而昂贵的,只有特权阶层才有可能,而这些特权阶层造就了绅士科学家、作家、古董专家和艺术赞助人。
2017年6月阅读原文
高考With these main reasons in mind, we can evaluate our level of anger throughout the day and prevent cases of outbursts by comprehending the reasons for our feelings.
考虑到这些主要原因,我们可以评估一整天的愤怒程度,并通过理解我们情绪的原因来防止爆发。
2018年高考英语北京卷 阅读理解 七选五 原文
考研There are a number of approaches to mastering the art of deep work—be it lengthy retreats dedicated to a specific task; developing a daily ritual; or taking a "journalistic" approach to seizing moments of deep work when you can throughout the day.
有许多方法可以掌握深入工作的艺术,无论是专注于特定任务的长时间静修;发展日常仪式;或者采取“新闻式”的方法,在一整天都可以的时候抓住深入工作的时刻。
2018年考研真题(英语二)阅读理解 Section Ⅱ
四级That was nothing though, compared to Germans, Italians, and the French, who stayed up around an hour and a half later on various days throughout the summer to watch the Cup.
然而,与德国人、意大利人和法国人相比,这算不了什么,他们在整个夏天的不同日子里熬夜了大约一个半小时观看世界杯。
2015年12月阅读原文
高考A successful arts neighborhoods creates a ripple effect (连锁反应) throughout a community.
成功的艺术街区会产生连锁反应(连锁反应) 整个社区。
2018年高考英语江苏卷 阅读理解 填空题 原文
六级Elite high school math competitions are attracting more interest throughout the United States.
美国各地的精英高中数学竞赛吸引了更多的兴趣。
2017年6月阅读原文
六级Throughout the body of the speech, Juan dealt only with the basic mechanics of the earthquakes and carefully avoid technical terms.
在整个演讲的正文中,胡安只讨论了地震的基本机制,并谨慎地避免使用技术术语。
2010年6月听力原文
四级That feeling echoes the beliefs of the Therapeutic Food Pantry program at Zuckerberg San Francisco General Hospital, which completed its pilot phase and is about to expand on an ongoing basis to five clinic sites throughout the city.
这种感觉与扎克伯格旧金山总医院治疗食品计划的信念相呼应,它完成了其试点阶段,并将在整个城市范围内扩展到五个诊所。
2018年12月四级真题(第一套)阅读 Section B
六级Agencies and companies throughout the world are working on developing technology that would dispose of or capture space debris before it causes serious damages.
世界各地的机构和公司都在致力于开发能够在空间碎片造成严重损害之前处理或捕获空间碎片的技术。
2019年6月六级真题(第二套)阅读 Section C
六级Social learning theories contribute to our understanding of why we behave as we do, but much of the emphasis is on early socialization rather than on what occurs throughout life
社会学习理论有助于我们理解为什么我们会这样做,但大部分重点是早期社会化,而不是生活中发生的事情
2013年6月阅读原文
考研Throughout the evening, one man had been particularly talkative, frequently offering ideas and anecdotes while his wife sat silently beside him on the couch.
整个晚上,有一个男人特别健谈,经常提出想法和轶事,而他的妻子则静静地坐在他旁边的沙发上。
2010年考研真题(英语二)阅读理解 Section Ⅱ
四级In fact, the more information flows throughout the entire society, the wider the gap becomes between "information haves" and "information have-nots", leading to digital divide .
事实上,整个社会的信息流动越多,“信息有者”和“信息无者”之间的差距就越大,从而导致数字鸿沟。
2015年12月四级真题(第一套)阅读 Section A
四级"A balanced breakfast is really helpful, but getting regular meals throughout the day is more important to leave blood sugar stable through the day, which helps control weight and hunger levels," says Elder.
埃尔德说:“均衡的早餐确实很有帮助,但一天中有规律的进餐更重要的是让血糖在一天中保持稳定,这有助于控制体重和饥饿水平。”。
2019年12月四级真题(第三套)阅读 Section B
四级In the study, Tel Aviv University researchers searched for sex differences throughout the entire human brain.
在这项研究中,特拉维夫大学的研究人员在整个人脑中寻找性别差异。
2016年12月四级真题(第一套)阅读 Section A
高考Stores notice that the smell of baked goods encourages shopping, so they make their own bread each morning and then fan the bread smell into the store throughout the day.
商店注意到烘焙食品的气味鼓励购物,所以他们每天早上自己做面包,然后一整天都把面包的气味吹进商店。
2015年高考英语重庆卷 阅读理解 阅读B 原文
四级Eating a balanced breakfast helps to up our energy, as well as make up for protein and calcium used throughout the night.
吃一顿均衡的早餐有助于增强我们的能量,同时也可以补充整夜所需的蛋白质和钙。
2019年12月四级真题(第三套)阅读 Section B
高考If you work out bright and early in the morning, you will be more likely to stick to healthy food choices throughout the day.
如果你一大早就运动起来,那么你一整天都会坚持选择健康的食物。
2018年高考英语全国卷2 阅读理解 七选五 原文
高考Stephanie Dutkiewicz, a scientist in MIT's center for global change science, built a climate model that projects changes to the oceans throughout the century.
麻省理工学院全球变化科学中心的科学家Stephanie Dutkiewicz建立了一个气候模型,预测整个世纪海洋的变化。
2019年高考英语北京卷 阅读理解 阅读D 原文
六级But researchers are improving systems to measure a teacher's performance throughout the year, and, with three years of data, it's usually possible to tell which teachers are failing.
但研究人员正在改进衡量教师全年表现的系统,而且,通过三年的数据,通常可以判断哪些教师不及格。
2016年6月阅读原文
六级It's not a chance you're going to have throughout your lifetime.
这不是你一生都会有的机会。
2017年6月听力原文
高考Learning materials are provided to students throughout their course, and there will never be more than 15 participants in each class.
在整个课程中都会向学生提供学习材料,每堂课的参与者不会超过15人。
2016年高考英语天津卷 阅读理解 阅读A 原文
四级My mother had taught me to knit at 15, and I knitted in class throughout college and for a few years thereafter.
我母亲在我15岁时教我编织,我在整个大学期间以及此后的几年里都在课堂上编织。
2017年12月四级真题(第三套)阅读 Section B
六级They look spotlessly clean throughout their lives.
他们一生看起来一尘不染。
2011年12月听力原文
六级Some propose storing the CO2 in coal mines or liquid storage in the ocean, Shell favors storing CO2 in deep geological structures such as saline(盐的) formations and exhausted oil and gas fields that exist throughout the world
一些人建议将二氧化碳储存在煤矿或海洋中,壳牌公司则倾向于将二氧化碳储存在深层地质结构中,如盐碱地(盐的) 世界各地存在的地层和废弃油气田
2012年6月阅读原文
高考Callie Babbitt and her colleagues at the Rochester Institute of Technology in New York tracked the environmental costs for each product throughout its life – from when its minerals are mined to when we stop using the device.
Callie Babbitt和她在纽约罗彻斯特理工学院的同事们跟踪了每种产品在整个生命周期内的环境成本——从矿物开采到我们停止使用该设备。
2018年高考英语全国卷I 阅读理解 阅读D 原文
六级This only applies to American space activities, but the hope is that it will help standardize a set of norms in the dawning commercial spaceflight industry throughout the world.
这只适用于美国的航天活动,但希望它将有助于在全世界初露端倪的商业航天工业中标准化一套规范。
2019年6月六级真题(第二套)阅读 Section C
六级How did you align strategies throughout the company?
你是如何在整个公司内调整战略的?
2016年6月六级真题(第一套)听力 Section A
六级Social learning theories contribute to our understanding of why we behave as we do, but much of the emphasis is on early socialization rather than on what occurs throughout life.
社会学习理论有助于我们理解为什么我们会这样做,但大部分重点是早期社会化,而不是生活中发生的事情。
2013年6月阅读原文
四级Tourism throughout' Turkey is expected to fall this year as the country has been the victim of several deadly terrorist attacks.
土耳其今年的旅游业预计将下降,因为该国已成为几起致命恐怖袭击的受害者。
2019年6月四级真题(第三套)阅读 Section A
四级Many societies throughout history and around the world today have cultivated strong pressures to stay married.
纵观历史和当今世界,许多社会都产生了保持婚姻的强大压力。
2013年6月阅读原文
六级Some propose storing the CO2 in coal mines or liquid storage in the ocean, Shell favors storing CO2 in deep geological structures such as saline(盐的) formations and exhausted oil and gas fields that exist throughout the world.
一些人建议将二氧化碳储存在煤矿或海洋中,壳牌公司则倾向于将二氧化碳储存在深层地质结构中,如盐碱地(盐的) 存在于世界各地的地层和废弃油气田。
2012年6月阅读原文
六级Even though the nuts, which need to stay moist, can be somewhat delicate to transport, traders carried them hundreds of miles throughout the forests and grasslands.
尽管坚果需要保持湿润,但运输起来可能有点脆弱,贸易商们还是把它们运到了数百英里外的森林和草原上。
2017年12月六级真题(第一套)阅读 Section C
六级Muir's learning in observation throughout his life led him to devote his last years to preserving the natural environment.
缪尔一生在观察方面的学习使他在最后几年致力于保护自然环境。
2013年6月听力原文
四级It encourages students to learn throughout their lives
它鼓励学生终身学习
2013年12月阅读原文
高考It excites the human mind throughout the world.
它激发了全世界的人类思维。
2015年高考英语重庆卷 阅读理解 阅读E 选项
考研Two paradoxes exist throughout this credibility process.
在整个信任过程中存在两个悖论。
2012年考研阅读原文
六级This is the undercurrent of conversation at Einstein memorial meetings throughout the year.
这是全年爱因斯坦纪念大会上的暗流对话。
2010年12月阅读原文
六级Moreover, Krugman overlooks inflation: Prices have increased, six-fold since 1969, so, while corn futures(期货)did set a record of about $8 per bushel(蒲式耳)in late July, the inflation-adjusted price of corn was higher throughout most of the 1970s, reaching $16 in 19
Finally, Krugman conveniently forgets that concerns about global warming are the main reason that corn prices have skyrocketed since 200 Nowadays 40 percent of corn grown in the United States is used to produce ethanol (乙醇), which does absolutely nothing for the climate, but certainly distorts the price of corn — at the expense of many of the worlds poorest people.
此外,克鲁格曼忽略了通货膨胀:自1969年以来,价格上涨了六倍,而玉米期货(期货)确实创下了每蒲式耳8美元左右的纪录(蒲式耳)7月下旬,在20世纪70年代的大部分时间里,经通胀调整后的玉米价格都更高,19年达到16美元
2013年6月六级考试真题(一)
六级“I was a main character in Fallout 4, a character by the name of Kellogg, and I never knew that I was doing vocal recording for that game throughout the year and a half.
“我是《辐射4》中的主角,一个名叫凯洛格的角色,我从来不知道我在一年半的时间里一直在为那场比赛录音。
2019.6六级真题第二套
六级It might seem surprising to think about an item staying in space for that long, but the oldest satellite still in orbit—Vanguard 1—turned 60 in 20
Agencies and companies throughout the world are working on developing technology that would dispose of or capture space debris before it causes serious damage.
想到一个物体在太空中停留这么长时间,可能会让人感到惊讶,但仍在轨道上的最古老的卫星——先锋1号——在20年中年满60岁
2019.6六级真题第二套
六级This may sound like a lot, but Pipitone says: “We get bits of protein here and there and that really adds up throughout the day.
这听起来可能很多,但皮皮通说:“我们到处都有蛋白质,而且一整天都在增加。
2019年12月六级真题(第2套)
六级To start with, it is important to remember that the nature of agriculture has changed markedly throughout history, and will continue to do so .
首先,重要的是要记住,农业的性质在整个历史上都发生了显著变化,并将继续如此。
2008年12月英语六级真题
六级Throughout this period food became cheaper, safe and more reliable.
在这一时期,食品变得更便宜、更安全、更可靠。
2008年12月英语六级真题
六级Throughout the body of the speech, Juan dealt only with the basic mechanics of earthquakes and carefully avoided technical terms.
在整个演讲中,胡安只涉及地震的基本力学,并谨慎避免使用技术术语。
2010年6月英语六级真题
四级By 1970, according to a World Wildlife Fund report, only about 4,500 tigers survived throughout the world-half of them in India.
根据世界野生动物基金会的一份报告,到1970年,全世界只有大约4500只老虎存活下来,其中一半在印度。
1993年1月大学英语四级(CET-4)真题
四级A reporter who has visited plants throughout Europe has an impression that the pace of work is much slower here.
一位访问过欧洲各地工厂的记者印象中,这里的工作节奏要慢得多。
1995年1月大学英语四级(CET-4)真题
四级Can he escape a pollution that is now so thoroughly distributed throughout our world:
We know that even single exposures to these chemicals, if the amount is large enough, can cause extremely severe poisoning.
他能逃脱现在如此彻底地分布在我们世界各地的污染吗
1995年6月大学英语四级(CET-4)真题
四级Responsible public health officials have pointed out that the biological effects of chemicals are cumulative (累积) over long periods of time, and that the danger to individual may depend on the sum of the exposures received throughout his lifetime.
负责任的公共卫生官员指出,化学品的生物效应是累积的(累积) 长期暴露,并且对个人的危险可能取决于他一生中所接受的暴露的总和。
1995年6月大学英语四级(CET-4)真题
四级Demands for fundamental change were common throughout the labor press.
对根本性变革的要求在整个劳动新闻界都很普遍。
1996年6月大学英语四级(CET-4)真题
四级The statuses we assume often vary with the people we encounter, and change throughout life.
我们所处的地位往往因遇到的人而异,并在一生中发生变化。
1997年1月大学英语四级(CET-4)真题
四级Both are emulsions—tiny globules (小球体) of one liquid evenly distributed throughout another.
两者都是乳液——微小的球状物(小球体) 一种液体均匀地分布在另一种液体上。
2000年1月大学英语四级(CET-4)真题
四级“This means that in cream, the bacteria are free to grow throughout the mixture,” he says.
他说:“这意味着在奶油中,细菌可以在整个混合物中自由生长。”。
2000年1月大学英语四级(CET-4)真题
四级Young athletes can, for example, learn how to cooperate with others, make friends, and gain other social skills that will be used throughout their lives.
例如,年轻运动员可以学习如何与他人合作,结交朋友,并获得其他终身使用的社交技能。
2001年6月大学英语四级(CET-4)真题
四级Throughout U. S. history working people have had to fight hard for higher wages, better working conditions, and the fight to form unions.
纵观美国历史,劳动人民不得不为更高的工资、更好的工作条件和组建工会而努力奋斗。
2003年6月大学英语四级(CET-4)真题
四级It has lecture halls, libraries, laboratories, museums and offices throughout the city.
它在整个城市都有演讲厅、图书馆、实验室、博物馆和办公室。
2003年6月大学英语四级(CET-4)真题
四级During World War I, roads throughout the country were nearly destroyed by the weight of trucks.
第一次世界大战期间,全国各地的道路几乎被卡车的重量摧毁。
2006年6月大学英语新四级(CET-4)真题
四级They fail to grasp that welcoming foreign students and like immigrants throughout history-strength the nation; and second, foreign students who study in the United States become ambassadors for many of its most cherished(珍视) values when they return home.
他们没有意识到,欢迎外国学生和历史上的移民会使国家强大;其次,在美国留学的外国学生成为许多美国最珍视的人的大使(珍视) 价值观。
2007年12月大学英语四级考试真题
四级Similar patterns exist throughout the U. S. By measuring the proportion of heavier hydrogen and oxygen isotopes along a strand of hair, scientists can construct a geographic timeline.
类似的模式在美国各地都存在。通过测量头发上较重的氢和氧同位素的比例,科学家可以构建一个地理时间线。
2009年6月英语四级考试真题
四级Throughout this long, tense election, everyone has focused on the presidential candidates and how they’ll change America.
在这场漫长而紧张的选举中,每个人都关注总统候选人以及他们将如何改变美国。
2009年12月大学英语四级考试真题
四级Throughout much of the 1960s, more than a quarter of men and women age 65 and older lived below the poverty level, compared to less than 10 percent in 2010.
在20世纪60年代的大部分时间里,超过四分之一的65岁及以上的男性和女性生活在贫困线以下,而2010年这一比例不到10%。
2014年12月大学英语四级考试真题(第3套)
四级Same-store sales in America at McDonald’s, the world’s largest fast-food company, did not decline throughout the downturn.
全球最大的快餐公司麦当劳在美国的同店销售额在整个经济低迷时期都没有下降。
2015年6月大学英语四级考试真题(第1套)
四级As fast-food companies shift from “super size” to “more buys”,they need to keep customer traffic high throughout the day.
随着快餐公司从“超大号”转向“多买”,他们需要保持全天的高客流量。
2015年6月大学英语四级考试真题(第1套)
四级That was nothing, though, compared to Germans, Italians, and the French, who stayed up around an hour and a half later on various days throughout the summer to watch the Cup.
然而,与德国人、意大利人和法国人相比,这算不了什么,他们在整个夏天的不同日子里都会熬夜一个半小时观看杯赛。
2015年12月英语四级考试真题(第2套)
四级“These patterns suggest that some types of mental flexibility decrease relatively early in adulthood, but that the amount of knowledge one has, and the effectiveness of integrating it with one’s abilities, may increase throughout all of adulthood if there are no diseases,” Salthouse said in a news release.
Salthouse在一份新闻稿中说:“这些模式表明,某些类型的心理灵活性在成年早期相对降低,但如果没有疾病,一个人所拥有的知识量以及将其与能力相结合的有效性可能会在整个成年期内增加。”。
2016年6月大学英语四级真题(第2套)
四级“Eating a balanced breakfast helps to up our energy, as well as make up for protein and calcium used throughout the night.
“均衡的早餐有助于增加我们的能量,并补充整个晚上使用的蛋白质和钙。
2019年12月大学英语四级真题(第2套)
四级“A balanced breakfast is really helpful, but getting regular meals throughout the day is more important to leave blood sugar stable through the day, which helps control weight and hunger levels,” says Elder.
埃尔德说:“均衡的早餐确实很有帮助,但一天中有规律的饮食更重要,可以使血糖在一天中保持稳定,这有助于控制体重和饥饿水平。”。
2019年12月大学英语四级真题(第2套)
四级Throughout history, governments have protected and promoted forests for diverse reasons,ranging from the need for wooden warships to a desire to promote suburban house-building.
纵观历史,政府出于各种原因保护和促进森林,从对木制战舰的需求到促进郊区房屋建设的愿望。
2020年12月大学英语四级真题(第2套)
考研The torch symbolized the continuation of the ancient Greek athletic ideals, and it burns throughout the Games until the closing ceremony.
火炬象征着古希腊体育理想的延续,在整个奥运会期间一直燃烧到闭幕式。
1987年全国硕士研究生入学统一考试英语试题
考研Governments throughout the world act on the assumption that the welfare of their people depends largely on the economic strength and wealth of the community.
世界各国政府采取行动的前提是,本国人民的福利在很大程度上取决于社会的经济实力和财富。
2000年全国硕士研究生入学统一考试英语试题
考研At the same time, the normal rate of social change throughout the world is taking place at a vastly accelerated speed compared with the past.
与此同时,与过去相比,全世界正常的社会变革速度正在大大加快。
2000年全国硕士研究生入学统一考试英语试题
考研For example, British anthropologists Grafton Elliot Smith and W. J. Perry incorrectly suggested, on the basis of inadequate information, that farming, pottery making, and metallurgy all originated in ancient Egypt and diffused throughout the world.
例如,英国人类学家Grafton Elliot Smith和W.J.Perry在信息不足的基础上错误地认为,农业、陶器制造和冶金都起源于古埃及,并在世界各地传播。
2009年全国硕士研究生招生考试英语试题
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