考研Rather officials must avoid double standards, or different types of access for average people and the wealthy.

相反，官员们必须避免双重标准，或普通人和富人的不同访问方式。

2017年考研阅读原文

四级With the percentage of people over age 65 expected to nearly double by 2050, it's important to weigh the health benefits of screening against the risks and costs of routine testing.

预计到2050年，65岁以上人口的比例将增加近一倍，因此重要的是权衡筛查对健康的好处与常规检测的风险和成本。

2012年12月阅读原文

六级But by 2014, the death rate from Alzheimer’s Disease for this age group have more than doubled, increasing from 3.8% to 8.5%, making the progressive brain disease the second leading cause of death for centenarians.

但到2014年，这一年龄组的阿尔茨海默病死亡率已经翻了一番多，从3.8%上升到8.5%，使进展性脑病成为百岁老人的第二大死因。

2016年12月听力原文

考研In 2015, the US Forest Service for the first time spent more than half of its $5.5 billion annual budget fighting fires——nearly double the percentage it spent on such efforts 20 years ago.

2015年，美国林业局首次将其55亿美元年度预算的一半以上用于灭火，几乎是20年前的两倍。

2017年考研真题（英语二）阅读理解 Section Ⅱ

四级The aircraft is massive as long as a football field and as tall as 6 double decker buses and capable of flying for up to 5 days.

这架飞机体积巨大，有一个足球场那么长，有6辆双层巴士那么高，可以飞行5天。

2018年6月四级真题（第二套）听力 Section A

六级Globally, urban populations are expected to double in the next 40 years, and an extra 2 billion people will need new places to live, as well as services and ways to move around their cities.

在全球范围内，城市人口预计将在未来40年翻一番，另外20亿人将需要新的居住地、服务和在城市周围流动的方式。

2019年12月六级真题（第二套）阅读 Section A

考研Starting around 2012, requests for the visas rose sharply; from 2011 to 2016 the number of visas issued more than doubled.

从2012年左右开始，申请签证的人数急剧增加；从2011年到2016年，签发的签证数量翻了一番多。

2019年考研真题（英语二）阅读理解 Section Ⅱ

四级As a result, wheat prices elsewhere more than doubled, pulling rice and corn prices up with them.

结果，其他地方的小麦价格翻了一番多，大米和玉米价格也随之上涨。

2016年6月阅读原文

高考We have only two double rooms available.

我们只有两间双人房。

2015年高考英语湖北卷 听力 原文

六级In the US, studies have shown that doubling the size of a road can simply double the traffic, taking us back to the starting point.

在美国，研究表明，道路大小翻倍只会使交通量翻倍，让我们回到起点。

2019年12月六级真题（第二套）阅读 Section A

高考I'd like to book a room with a double bed.

我想订一间有双人床的房间。

2016年高考英语北京卷 听力 原文

六级Take plenty of breaks, because they offer a double bonus: the time off gives your mind a chance to do some preliminary consolidation and it also gives a memory boost to the learning.

多休息，因为休息会带来双倍的好处：休息会让你的大脑有机会做一些初步的巩固，同时也会提高学习记忆。

2017年6月六级真题（第一套）听力 Section C

考研The state's proposed Forest Carbon Plan aims to double efforts to thin out young trees and clear brush in parts of the forest.

该州提出的森林碳计划旨在加倍努力，在部分森林地区砍伐幼树和清除灌木丛。

2019年考研真题（英语二）阅读理解 Section Ⅱ

四级Instead, topping the list of reasons, about four-in-ten Americans point to a double standard for women seeking to climb to the highest levels of either politics or business, where they have to do more than their male counterparts to prove themselves.

相反，最重要的原因是，大约十分之四的美国人指出，女性在寻求晋升到政治或商业的最高层次时，会采取双重标准，她们必须比男性同行做更多的事情来证明自己。

2019年6月四级真题（第二套）阅读 Section C

四级However, Dr Mehmood Khan,chief scientific officer, said the company had doubled research and development spending in the past five years and was "committed to sustaining investment", adding that companies cannot cost-cut their way to increasing sales.

然而，首席科学官Mehmood Khan博士表示，该公司在过去五年中研发支出翻了一番，并“致力于维持投资”，并补充称，公司无法通过削减成本来增加销售额。

2018年12月四级真题（第二套）阅读 Section C

高考From 2004 to 2013, agricultural land values doubled, and they continue to rise in many regions.

从2004年到2013年，农业用地价值翻了一番，并且在许多地区继续上升。

2018年高考英语江苏卷 阅读理解 阅读C 原文

四级Let's make sure to set a double date during the event.

让我们确保在活动期间设置双重日期。

2018年12月四级真题（第二套）听力 Section B

六级By last year, Wall Street traders, bankers and those who deal in real estate generated 21% of the national income, double their share in the 1950s.

到去年为止，华尔街交易员、银行家和房地产商创造了21%的国民收入，是20世纪50年代的两倍。

2013年6月阅读原文

四级Underling all this growth will be the demand for energy, which is expected to double over the next 40 years.

强调所有这些增长的将是对能源的需求，预计在未来40年内将翻一番。

2011年12月阅读原文

高考Ok, single room or double room?

好的，单人房还是双人房？

2015年高考英语湖北卷 听力 原文

四级It projected that the number would double by 2030.

预计到2030年，这一数字将翻一番。

2011年6月阅读原文

六级Water Usage: Over the past century, human use of fresh water has increased at more than double the rate of population growth.

水的使用：在过去的一个世纪里，人类对淡水的使用以两倍于人口增长率的速度增长。

2013年12月阅读原文

考研One Gallup poll found that 20 percent of Americans who have been unemployed for at least a year report having depression, double the rate for working Americans.

一项盖洛普民意调查发现，失业至少一年的美国人中有20%的人患有抑郁症，是在职美国人的两倍。

2017年考研真题（英语二）完形填空 Section Ⅰ

四级To encourage his struggling son he doubled it to 200 dollars.

为了鼓励他苦苦挣扎的儿子，他把钱翻了一倍，达到200美元。

2019年6月四级真题（第一套）听力 Section A

六级By employing agricultural techniques he developed in Mexico, Borlaug was able to nearly double South Asian wheat harvests between 1965 and 19 India subsequently made a huge commitment to Mexican wheat, importing some 18,000 tonnes of seed.

通过使用他在墨西哥开发的农业技术，Borlaug在1965年至19年间使南亚的小麦收成几乎翻了一番

2013年6月六级考试真题（三）

六级Nevertheless, yields of maize, sorghum (高粱) and wheat doubled between 1983 and 198 Nobel Prize For his contributions to the world food supply, Borlaug was awarded the Nobel Peace Prize in 19 Norwegian officials notified his wife in Mexico City at 4:00 am, but Borlaug had already left for the test fields in the Toluca valley, about 65km west of Mexico City.

然而，玉米、高粱的产量(高粱) 小麦在1983年到198年间翻了一番

2013年6月六级考试真题（三）

六级Unaddressed, this will double by 20 What does the author say about some leading-edge companies?

如果没有地址，这将在20之前翻倍

2014年12月大学英语六级考试真题（三）

六级That holds double for the landlord or developer, who won’t actually see a penny of the savings his investment in better insulation or a better heating system might generate.

这对房东或开发商来说是双倍的，他们实际上看不到他在更好的隔热或更好的供暖系统上的投资可能带来的一分钱节省。

2007年12月英语六级真题

六级By offering her the ability to work from home, we have doubled her capacity—now she works a day a week from home, and a day in the office.

通过提供她在家工作的能力，我们将她的能力提高了一倍——现在她每周在家工作一天，在办公室工作一天。

2009年12月英语六级真题

四级According to the latest figures, 59 percent of American adults exercise regularly-up 12 percent from just two years ago and more than double the figure of 25 years ago.

根据最新数据，59%的美国成年人定期锻炼，比两年前增加了12%，是25年前的两倍多。

1992年1月大学英语四级(CET-4)真题

四级The key to fitness is exercising the major muscle groups vigorously (强有力的) enough to approximately double the heart rate and keep it doubled for 20 to 30 minutes at a time.

健身的关键是大力锻炼主要肌肉群(强有力的) 足以使心率大约加倍，并一次保持加倍20到30分钟。

1992年1月大学英语四级(CET-4)真题

四级It has enabled the tiger population to double (by mid-80s), but India’s human population has also grown out of control.

它使老虎的数量增加了一倍（到80年代中期），但印度的人口也失去了控制。

1993年1月大学英语四级(CET-4)真题

四级I recently visited a great little college in New York where the campus had doubled its minority population in the last six years.

我最近参观了纽约一所很棒的小学院，在过去的六年里，那里的少数族裔人口增加了一倍。

1998年6月大学英语四级(CET-4)真题

四级Since the world’ population is expected to double in the next 50 years, many experts think we are on the edge of a widespread water crisis.

由于世界人口预计将在未来50年翻一番，许多专家认为我们正处于大范围水危机的边缘。

2001年6月大学英语四级(CET-4)真题

四级The budget of the National Institutes of Health doubled between 1998 and 2003,but has risen more slowly than inflations since then.

1998年至2003年间，美国国立卫生研究院的预算翻了一番，但自那以后，预算的增长速度慢于通货膨胀。

2007年12月大学英语四级考试真题

四级With modest growth,energy use and greenhouse emissions more then double by 2050.

随着经济的适度增长，到2050年，能源使用和温室气体排放量将翻一番。

2008年6月大学英语四级考试真题

四级With the percentage of people over age 65 expected to nearly double by 2050, it’s important to weigh the health benefits of screening against the risks and costs of routine testing.

到2050年，65岁以上人群的比例预计将翻一番，权衡筛查的健康益处与常规检测的风险和成本很重要。

2012年12月大学英语四级真题（2）

四级Many gyms see new memberships double in January, making up for the third of their members who do not renew each year.

许多健身房的新会员在1月份翻了一番，占每年不续费会员的三分之一。

2012年12月大学英语四级真题(3)

四级But the price of a college education has nearly doubled in that time.

但在那段时间里，大学教育的价格几乎翻了一番。

2013年12月大学英语四级考试真题(第3套)

四级But it has yet to be admitted with overeating, even though one in four adults in this country is obese and that number is predicted to double by the year 2050.

但是，尽管这个国家四分之一的成年人肥胖，而且预计到2050年这个数字将翻一番，但它还没有被承认为暴饮过量。

2014年12月大学英语四级考试真题（第3套)

四级Over the next 20 years the global population of those aged 65 or more will almost double, from 600 million to 1.

未来20年，全球65岁及以上人口将几乎翻一番，从6亿增加到1亿。

2015年6月大学英语四级考试真题（第1套)

四级It’s true that the number of men who have left work to do their thing as full-time parents has doubled in a decade, but ifs still very small： only 0.

诚然，十年来，离开工作岗位做全职父母的男性人数翻了一番，但如果仍然很小的话：只有0人。

2015年6月大学英语四级考试真题（第2套)

四级While two of these ships sank, they were all designed with double hulls (船体) believed to make them "unsinkable", perhaps a mistaken idea that led to the Titanic's and the Britannic's tragic end.

虽然其中两艘沉没，但它们都是双层船体设计的(船体) 人们认为这会使它们“永不沉没”，也许这是一个错误的想法，导致了泰坦尼克号和不列颠号的悲剧结局。

2018年6月大学英语四级真题（第2套)

四级However, Dr Mehmood Khan, chief scientific officer, said the company had doubled research and development spending in the past five years and was “committed to sustaining investment”, adding that companies cannot cost-cut their way to increasing sales.

然而，首席科学官Mehmood Khan博士表示，该公司在过去五年中将研发支出翻了一番，并“致力于维持投资”，并补充说，公司不能通过削减成本来增加销售额。

2018年12月大学英语四级考试真题（第2套）

考研It lowers the costs of many services: without advertisements your daily newspaper would cost four times as much, the price of your television licence would need to be doubled, and travel by bus or tube would cost 20 per cent more.

它降低了许多服务的成本：如果没有广告，你的日报价格将是原来的四倍，你的电视执照价格需要翻倍，乘坐公共汽车或地铁的费用将高出20%。

1995年全国硕士研究生入学统一考试英语试题

考研Although it ruled that there is no constitutional right to physician-assisted suicide, the Court in effect supported the medical principle of “double effect”, a centuries-old moral principle holding that an action having two effects—a good one that is intended and a harmful one that is foreseen—is permissible if the actor intends only the good effect.

尽管法院裁定，宪法上没有医生协助自杀的权利，但法院实际上支持“双重效果”的医学原则，这是一项有数百年历史的道德原则，认为如果行为人只打算产生好的效果，则允许有两种效果的行为——一种是预期的好效果，另一种是预见的有害效果。

2002年全国攻读硕士学位研究生入学考试英语试题

考研Americans’ life expectancy has nearly doubled over the past century.

在过去的一个世纪里，美国人的预期寿命几乎翻了一番。

2003年全国攻读硕士学位研究生入学考试英语试题