例句
英语谚语
英语名言
英语四级真题
    After financial disasters family members also tend to do whatever they can to help each other and their communities, A 1940 book.
    出自-2012年6月阅读原文
    why must we learn to identify the risks we are going to take?
    出自-2011年12月阅读原文
    For many families the recession means more than not booking a holiday A You Gov poll of 2, 000 people found 22% said they were arguing more with their partners because of concerns about money
    出自-2011年12月阅读原文
    Caught in the Web A few months ago, it wasn't unusual for 47-year-old Carla Toebe to spend 15 hours per day online
    出自-2010年6月阅读原文
    "Pleasure" is not a dirty word.
    2015年12月四级真题(第一套)阅读 Section B
    "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.
    2019年12月四级真题(第三套)阅读 Section B
    "A well-displayed meal is enhanced one hundred percent in my eyes," he later wrote in one of his cook books.
    2018年12月四级真题(第二套)阅读 Section B
    "Antarctica creates a hostile environment," says the operation director for the British Antarctic Survey.
    2019年6月四级真题(第二套)听力 Section A
    "As what happened with tobacco, this will require a cultural shift, but that can happen," says Nguyen. "In the same way physicians used to smoke, and then stopped smoking and were able to talk to patients about it,I think physicians can have a bigger voic
    2018年12月四级真题(第一套)阅读 Section B
    "Being taller is associated with longer life expectancy," he said, "This is largely due to a lower risk of dying of cardiovascular (心血管的) disease among taller people."
    2019年6月四级真题(第二套)阅读 Section C
    "Chauncy is a top student who is doing his best to make it in a world with no money and very few resources," White explained on the crowd-funding site.
    2017年12月四级真题(第一套)听力 Section A
    "Gamification is about understanding what it is that makes games engaging and what game designers do to create a great experience in games, and taking those learnings and applying them to other contexts such as the workplace and education," explains Kevin
    2016年12月四级真题(第三套)阅读 Section B
    "highly superior autobiographical memory" or HSAM for short, first came to light in the early 2000s, with a young woman named jill Price.
    2017年6月四级真题(第一套)阅读 Section B
    "I am a visionary." he says.
    2019年12月四级真题(第一套)阅读 Section B
    "I followed my route like I normally do," Smith told a reporter.
    2019年12月四级真题(第二套)阅读 Section B
    "I have been bothered for a long time about the curious lack of curiosity,"said a Democratic member of the New Jersey legislature back in July, referring to an insufficiently inquiring attitude on the part of an assistant to New Jersey Governor Chris Chri
    2017年12月四级真题(第二套)阅读 Section B
    "I prefer take home essays because it is then really about the writing, so you have time to edit and do more research," says Elizabeth Dresser, a junior at Barnard.
    2017年12月四级真题(第一套)阅读 Section B
    "I think we're unique as a federal agency," USPS official Mike Swigart told me, "because we're in literally every community in this country."
    2019年12月四级真题(第二套)阅读 Section B
    "If we are designing for engineers, I'm not talking about a "game" at all," Cornetti says.
    2016年12月四级真题(第三套)阅读 Section B
    "In fact, there is almost no hard evidence for midlife crisis other than a few small pilot studies conducted decades ago," Barbara Hagerty writes in her new book, life Reimagined.
    2017年6月四级真题(第一套)阅读 Section C
    "It actually had a very negative effect on morale and performance," Werbach says.
    2016年12月四级真题(第三套)阅读 Section B
    "It is a thing of no great difficulty," according to Plutarch," to raise objections against another man's speech, it is a very easy matter; but to produce a better in its place is a work extremely troublesome."
    2015年12月四级真题(第二套)阅读 Section B
    "It's an important, cautionary note that we shouldn't get too carried away with the idea that a computer system can replace doctors and therapists," says Christopher Dowrick, a professor of primary medical care at the University of liverpool.
    2019年6月四级真题(第三套)阅读 Section C
    "It's been postponed until 2017," says Anna Somers, the founder and CEO of The Art Newspaper and the former head of Venice in Peril, a group devoted to restoring Venetian art.
    2018年6月四级真题(第二套)阅读 Section B
    "It's been postponed until 2018," says Anna Somers, the founder and CEO of The Art Newspaper and the former head of Venice in Peril, a group devoted to restoring Venetian art.
    2017年12月四级真题(第一套)阅读 Section B
    "Just because I have a business relationship with an individual and I can profit from that relationship, it does not necessarily mean that this person is my friend," Soupios says.
    2016年6月四级真题(第二套)阅读 Section B
    "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.
    2019年12月四级真题(第三套)阅读 Section B
    "Meals are the foundation of the family," says Carole Counihan, a professor at millersville University in Pennsylvania, "so there was a very important interconnection between eating together and strengthening family ties."
    2016年6月四级真题(第二套)阅读 Section C
    "My memory is like a library of video tapes, walk-throughs of every day of my life from waking to sleeping," he explains.
    2017年6月四级真题(第一套)阅读 Section B
    "One of the reasons I find this topic very interesting is because my mom was a smoker when I was younger," says lindson-Hawley, who studies tobacco and health at the University of Oxford.
    2017年6月四级真题(第三套)阅读 Section C
    "Say, you know, this is the best student I've ever had," says Kuheli Dutt, a social scientist and diversity officer at Columbia University's Lamont campus. "Compare those excellent letters with a merely good letter: 'The candidate was productive, or intel
    2017年12月四级真题(第二套)阅读 Section C
    "Strength, softness and thickness remain the leading indicators of toilet paper quality, with just a small proportion of consumers preferring more luxurious alternatives, such as those with flower patterns or perfume," said mintel analyst Jack Duckett.
    2017年6月四级真题(第三套)阅读 Section C
    "The body uses a lot of energy stores for growth and repair through the night," explains diet specialist Sarah Elder.
    2019年12月四级真题(第三套)阅读 Section B
    "The fact that participants were willing to substitute part of a food item for the mere prospect of a relatively small monetary award is interesting," says Reimann.
    2016年12月四级真题(第三套)阅读 Section C
    "The link between sleep and health, and bad sleep and disease is becoming clearer and clearer," says Lawrence Epstein, a sleep expert at Harvard University.
    2016年6月四级真题(第一套)听力 Section C
    "The move to recapture a small part of the profits from an industry that pushes a product that contributes to diabetes, obesity and heart disease in poorer communities in order to reinvest in those communities will sure be inspirational to many other plac
    2019年12月四级真题(第一套)阅读 Section C
    "There are a lot of studies on the relationship between breakfast eating and possible health outcomes, but this may be because those who eat breakfast choose to habitually have health-enhancing behaviours such as regular exercise and not smoking," she say
    2019年12月四级真题(第三套)阅读 Section B
    "There's a mountain of evidence 34 proving the importance of sex influences at all levels of brain function," he told The Seattle times.
    2016年12月四级真题(第一套)阅读 Section A
    "There's an ancient legend that as long as these eggs are made, evil will not prevail in the world," says Joan Brander, a Canadian egg-painter who has been painting eggs for over 60 years, having learned the art from her Ukrainian relatives.
    2017年6月四级真题(第一套)阅读 Section C
    "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
    2016年6月四级真题(第一套)阅读 Section C
    "This finding supported ConAgra's decision to position the product against other high quality frozen dinners, rather than as a diet or health food.
    2015年12月四级真题(第二套)听力 Section C
    "This is Hesiod, of course, a younger contemporary poet, we believe, with Homer," Soupios says.
    2016年6月四级真题(第二套)阅读 Section B
    "We are at a point where in much of the developed world the vast majority of young people grew up playing video games, and an increasingly high percentage of adults play these video games too," Werbach says.
    2016年12月四级真题(第三套)阅读 Section B
    "We realize that as a company with people, trucks, warehouses, we needed to play a larger role," said Eduardo Martinez, the president of the UPS Foundation.
    2019年12月四级真题(第二套)阅读 Section B
    "What makes a game game-like is that the player actually cares about the outcome," Werbach says.
    2016年12月四级真题(第三套)阅读 Section B
    "When you're emotionally vulnerable, you're even more in need of a caring human being," he says.
    2019年6月四级真题(第三套)阅读 Section C
    "You suspended Ray rice after our video," a reporter from TMZ challenged National Football League Commissioner Roger Goodell the other day.
    2017年12月四级真题(第二套)阅读 Section B
    "You would want that robot preloaded with a good set of values," said Russell.
    2016年6月四级真题(第三套)阅读 Section C
    A 16th century castle in Scotland is close to collapsing after lumps of soil were washed away by floods, threatening its foundations.
    2016年12月四级真题(第一套)听力 Section A
    A 16-year-old asked a stranger at a grocery store to buy him and his mother some food in exchange for carrying the man's groceries to his car.
    2017年12月四级真题(第一套)听力 Section A
    A 2009 University of British Columbia study of women with an eating disorder who were taught to knit found that learning the craft led to significant improvements.
    2017年12月四级真题(第三套)阅读 Section B
    A 2016 review of 10 studies looking into the relationship between breakfast and weight management concluded there is "limited evidence" supporting or refuting (反驳) the argument that breakfast influences weight or food intake, and more evidence is required
    2019年12月四级真题(第三套)阅读 Section B
    A 20-year-old junior at Georgia Southern University told BuzzFeed News that she normally spends $500-600 on access codes for class.
    2018年6月四级真题(第三套)阅读 Section B
    A 4-year-old may 27 protest that a sister has more fruit juice when it is only the shapes of the glasses that differ, not the 28 amount of juice.
    2015年12月四级真题(第二套)阅读 Section A
    A 9-year-old girl in New Mexico has raised more than $500 for her little brother who needs heart surgery in Houston,Texas this July.
    2017年12月四级真题(第二套)听力 Section A
    A bridge with big, light-blue loops leads into the business district.
    2019年12月四级真题(第一套)阅读 Section B
    A business professor says that a future city should have easy access to international transportation.
    2019年12月四级真题(第一套)阅读 Section B
    A California television station in Fresno reported Tuesday that James Savage set a record as the youngest swimmer to make the journey to the former prison.
    2019年6月四级真题(第一套)听力 Section A
    A child's ability to become deeply absorbed in something, and derive intense pleasure from that absorption, is something adults spend the rest of their lives trying to return to.
    2015年12月四级真题(第一套)阅读 Section B
    A commentary in the Shanghai Daily points out that innovation doesn't mean piles of documents.
    2016年6月四级真题(第一套)听力 Section A
    A company should find ways to innovate not just in products but also in functions, business models and processes.
    2016年6月四级真题(第一套)听力 Section A
    A couple of recent papers have finally opened a window on these people's extraordinary minds.
    2017年6月四级真题(第一套)阅读 Section B
    A decorated egg thrown into the field would be a wish for a good harvest.
    2017年6月四级真题(第一套)阅读 Section C
    A decorated egg with a bird on it, given to a young married couple, is a wish for children.
    2017年6月四级真题(第一套)阅读 Section C
    A dedicated USPS employee was on the job carrying out duties in spite of extreme conditions.
    2019年12月四级真题(第二套)阅读 Section B
    A different interpretation is possible when the actual amount of information acquired by the user is taken into account.
    2015年12月四级真题(第一套)阅读 Section A
    A drop in oxygen pressure can cause headaches in certain individuals.
    2019年12月四级真题(第三套)阅读 Section A
    A drug is a chemical substance.
    2015年12月四级真题(第二套)听力 Section C
    A drug user is the person who takes the drug.
    2015年12月四级真题(第二套)听力 Section C
    A dry mouth may reduce taste sensitivity, but taste is restored by drinking fluids.
    2019年12月四级真题(第三套)阅读 Section A
    A face-to-face communications is the most intimate.
    2018年12月四级真题(第二套)阅读 Section A
    A few additional roads would come later.
    2018年6月四级真题(第二套)听力 Section C
    A few minutes later, the pressured strokes started to produce a relieving effect and my body and mind began to sink deeper into relaxation.
    2018年12月四级真题(第三套)阅读 Section A
    A few months ago, I was down with a terrible cold which ended in a persistent bad cough.
    2018年12月四级真题(第三套)阅读 Section A
    A fixed mind-set can also hinder communication and progress in the workplace and discourage or ignore constructive criticism and advice.
    2016年12月四级真题(第二套)阅读 Section B
    A fourth of this year's U.S. grain harvest will go to fuel cars.
    2016年6月四级真题(第一套)阅读 Section B
    A freshman textbook will have dozens of contributors, from subject-matter experts through graphic and layout artists to expert reviewers and classroom testers.
    2019年12月四级真题(第三套)阅读 Section C
    A friend recently took her mother to visit an expensive assisted living / nursing home near my town.
    2016年6月四级真题(第三套)阅读 Section B
    A friend told me the following story.
    2015年12月四级真题(第一套)阅读 Section B
    A gamification strategy that is not sufficiently thought through or well tailored to its players may engage people for a little while, but it will not motivate people in the long term.
    2016年12月四级真题(第三套)阅读 Section B
    A golden or lucky birthday is when one turns the age of their birth date.
    2017年12月四级真题(第二套)听力 Section B
    A good rule of thumb is that as soon as generals and hospital administrators jump on a management bandwagon (追随—种管理潮流), it is time to ask questions.
    2017年6月四级真题(第三套)阅读 Section B
    A good system is one that keeps that worst-case setting as improbable as possible while also offering strong protection in the event of a less-extraordinary attack.
    2016年12月四级真题(第一套)阅读 Section B
    A letter written by Charles Darwin in 1875 has been returned to the Smithsonian Institution (档案馆) by the FBI after being stolen twice.
    2018年6月四级真题(第二套)阅读 Section C
    A little extra height brings a number of advantages, says Elio riboli of Imperial College.
    2019年6月四级真题(第二套)阅读 Section C
    A local radio said an unspecified number of people were rescued, including the tour boat's owner hilario Blandon.
    2017年6月四级真题(第一套)听力 Section A
    A longer lifespan is changing the narrative structure of life itself.
    2017年6月四级真题(第一套)阅读 Section C
    A lot has changed since we were last in school.
    2017年12月四级真题(第一套)阅读 Section B
    A maker space is a place which can be in a school, but it doesn't look like a classroom.
    2019年6月四级真题(第三套)阅读 Section B
    A man called Naddodd was on his way from Norway to the Faroe Islands, north of England, when his ship was caught in a storm.
    2017年12月四级真题(第一套)听力 Section C
    A man described as a "non-worker civilian" was buried up to his waist in the basement.
    2018年12月四级真题(第二套)听力 Section A
    A man from Libya was enjoying a walk along the sands at southport beach.
    2019年12月四级真题(第二套)听力 Section A
    A message in a bottle sent out to sea by a New Hampshire man more than five decades ago was found 1500 miles away and has been returned to his daughter.
    2018年6月四级真题(第二套)听力 Section A
    A Moon Express representative declined to comment on the story, but noted that the company is very optimistic about its proposal.
    2018年6月四级真题(第一套)听力 Section A
    A multi-stage life will have profound changes not just in how you manage your career, but also in your approach to life.
    2019年6月四级真题(第一套)阅读 Section B
    A new batch of young women—members of the so-called millennial (千禧的) generation—has been entering the workforce for the past decade.
    2018年6月四级真题(第三套)阅读 Section C
    A New Jersey black bear that walks upright on its two back legs and has become a social media darling has re- emerged and has been captured on video months after its last sighting.
    2017年12月四级真题(第一套)听力 Section A
    A new Peabody study of the Tennessee Voluntary Pre-K program reports that pre-K works, but the gains are not sustained through the third grade.
    2016年6月四级真题(第一套)阅读 Section C
    A new species of snake has been discovered on a remote island in the Bahamas.
    2017年6月四级真题(第二套)听力 Section A
    A new study challenges that belief, questioning whether brains really can be distinguished by gender.
    2016年12月四级真题(第一套)阅读 Section A
英语六级真题
    "A comparison point is in the 1990s battles over encryption," said Kurt Opsahl, general counsel of the Electronic Frontier Foundation, a privacy watchdog group.
    2017年12月六级真题(第三套)阅读 Section B
    "About 80% of our company's year-over-year declines in comparable sales can be attributed to shortfalls (短缺) in cold-weather goods," said chief executive Terry Lundgren in a press release.
    2017年6月六级真题(第一套)阅读 Section C
    "About once a week, I have a client that will bring up a new certification I've never even heard of and I'm in this industry," said Kevin wilhelm, chief executive officer of Sustainable Business Consulting.
    2016年6月六级真题(第一套)阅读 Section C
    "An ultimate face recognition algorithm should perform with billions of people in a dataset," the researchers wrote.
    2018年6月六级真题(第一套)阅读 Section C
    "And yet that happens every day in the video game world," Farley told reporters during a press conference Friday. "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 thr
    2019年6月六级真题(第二套)阅读 Section C
    "As advocates of children's rights, we believe that children should have a voice about what information is shared about them if possible," says Stacey Steinberg, a legal skills professor at the University of Florida Levin College of Law in Gainesville.
    2018年12月六级真题(第三套)阅读 Section B
    "Everybody has a scary story about someone getting scooped." says New York University astronomer David Hogg.
    2017年12月六级真题(第二套)阅读 Section B
    "I think it's a terrific idea," she says of the campaign.
    2015年12月六级真题(第二套)阅读 Section B
    "If they are anywhere near worth their salt as engineers, I bet they are rethinking their threat model as we speak," said Jonathan Zdziarski, a digital expert who studies the iPhone and its vulnerabilities.
    2017年12月六级真题(第三套)阅读 Section B
    "If we can help to direct students to more of these types of campuses and help students to understand them to be realistic and accessible places, have them apply to these schools at greater frequency and ultimately get in and enroll, we are going to raise
    2015年12月六级真题(第三套)阅读 Section B
    "If you look at a lot of low-income communities in the United States, there are programs that are serving them, but they're primarily centered around ‘Let's get these kids' grades up,' and not around ‘Let's get these kids access to the same kinds of oppor
    2017年6月六级真题(第三套)阅读 Section B
    "If you make clinical predictions based on somebody's race, you're going to be wrong a good chunk of the time," Yudell told live Science.
    2016年12月六级真题(第一套)阅读 Section C
    "In America there are large ants which can eat whole trees bare as a broom handle in a single night,"she wrote in the description.
    2018年12月六级真题(第二套)阅读 Section B
    "In theory," says Vallentine, "this can create a high enough temperature to generate super-heated steam.
    2018年12月六级真题(第二套)听力 Section C
    "Increased inequality and decreasing mobility pose a fundamental threat to the American Dream," he said.
    2015年12月六级真题(第三套)阅读 Section C
    "It's a very small number of games that would trigger this secondary compensation issue," said voice actor Crispin Freeman, who's a member of the union's negotiating committee.
    2019年6月六级真题(第二套)阅读 Section C
    "It's a very small number of games that would trigger this secondary compensation issue," said voice actor Crispin Freeman, who's a member of the union's negotiating committee. "This is an important aspect of what it means to be freelance (从事自由职业的) perfor
    2019年6月六级真题(第二套)阅读 Section C
    "It's been the year of interactive television advertising for the last ten or twelve years", says Colin dixon of a digital-media consultancy.
    2016年6月六级真题(第三套)阅读 Section C
    "It's not only the selective and elite institutions that provide those opportunities for a small subset of this population," Rubinoff said, adding that a majority of first-generation undergraduates tend toward options such as online programs, two-year col
    2015年12月六级真题(第三套)阅读 Section B
    "I've had more feedback in a passive approach," he says.
    2019年6月六级真题(第一套)阅读 Section C
    "Many students are coming from a situation where no one around them has the experience of successfully completing higher education, so they are coming in questioning themselves and their college worthiness," Jarrat continued.
    2015年12月六级真题(第三套)阅读 Section B
    "One of the ways in which all agents seem to make decisions is that they assign a lower weighting to outcomes that are going to be further away in the future," he says.
    2015年12月六级真题(第二套)阅读 Section B
    "Our support structure was more like: ‘ You are going to get through Yale; you are going to do well, '" he said, hinting at mentors, staff, and professors who all provided significant support for students who lacked confidence about " belonging" at such a
    2015年12月六级真题(第三套)阅读 Section B
    "Overly strict standards often fail," James Bartram, a WHO water-health expert, said.
    2016年6月六级真题(第二套)阅读 Section C
    "Playing pool, playing cards, having dinner, having lunch," all work better "than going though a survey of questions.
    2019年6月六级真题(第一套)阅读 Section C
    "Presumably it's because it's simple and easy to write a prescription and consider a patient case closed rather than investigate further," Polman says.
    2018年6月六级真题(第三套)阅读 Section C
    "She was a scientist on the level with a lot of people we spend a lot of time talking about," said Kay Etheridge, a biologist at Gettysburg College in Pennsylvania who has been studying the scientific history of Merian's work. "She didn't do as much to ch
    2018年12月六级真题(第二套)阅读 Section B
    "Snapping a photo directs attention, which heightens the pleasure you get from whatever you're looking at," Dehl says.
    2018年6月六级真题(第二套)阅读 Section C
    "The creation of a system of marine protected areas is a key part of ongoing scientific and policy discussions in CCAMLR," he added.
    2019年12月六级真题(第二套)阅读 Section C
    "The project has two sides," says Xavier Serrat, Neurice project manager and researcher at the University of Barcelona,"the short-term fight against the snail, and a mid- to long-term fight against climate change.
    2018年6月六级真题(第二套)阅读 Section C
    "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
    2016年6月六级真题(第三套)阅读 Section B
    "The thing you are searching for is reputation," says titus Brown, a genomics (基因组学) researcher at the University of California,Davis.
    2017年12月六级真题(第二套)阅读 Section B
    "The typical American diet is a lot higher in protein than a lot of us think," says registered dietitian Angela Pipitone.
    2019年12月六级真题(第二套)阅读 Section B
    "The yield is never going to be high," Farrant says, so these plants will be targeted not at Iowa farmers trying to squeeze more cash out of high-yield fields, but subsistence farmers who need help to survive a drought like the present one in South Africa
    2018年6月六级真题(第一套)阅读 Section B
    "There is a large potential for waste water agriculture to both help and hurt great numbers of urban consumers," said liqa Raschid-Sally, who led the study.
    2016年6月六级真题(第二套)阅读 Section C
    "There is a lot of support at Yale, to an extent, after a while, there is too much support," he said, half-joking about the countless resources available at the school.
    2015年12月六级真题(第三套)阅读 Section B
    "There wasn't really a college-bound culture at my high school," she said.
    2015年12月六级真题(第三套)阅读 Section B
    "They provide a useful service," said Flack.
    2017年6月六级真题(第三套)阅读 Section C
    "They underestimate themselves when selecting a university," said Dave Jarrat, a marketing executive for Inside Track, a for-profit organization that specializes in coaching low-income students and supporting colleges in order to help students thrive.
    2015年12月六级真题(第三套)阅读 Section B
    "They were able to walk fester, had improved balance, and were also able to get up out of a chair faster than the control group," Starr says.
    2019年12月六级真题(第二套)阅读 Section B
    "This is really about trying to cut through the confusion that consumers have when they are buying a product and that businesses have when they are selling a product," said Jon Leibowitz, chairman of the commission.
    2016年6月六级真题(第一套)阅读 Section C
    "Using existing civil society structures or networks is a more effective way of creating change...and obviously trade unions are one of the biggest civil society networks in the UK," he says.
    2015年12月六级真题(第二套)阅读 Section B
    "We as a society need to understand that, when we don't punish lying, we increase the probability it will happen again," Ariely says.
    2019年12月六级真题(第一套)阅读 Section C
    "We do weather monitoring here and other research."ning Xu, 53, the chief of the Chinese base, said over tea during a fierce blizzard (暴风雪) in late November.
    2016年12月六级真题(第三套)阅读 Section B
    "We're obligated to keep a pulse on the population for at least five years after the foxes are delisted," says Boser.
    2018年12月六级真题(第三套)阅读 Section A
    "When people experience decision fatigue—when they are tired of making choices—they have a tendency to choose to go with the status quo 现状," he says.
    2018年6月六级真题(第三套)阅读 Section C
    "When we can't actually remove the source of our fear, we tend to adapt psychologically by adopting a range of defence mechanisms," says Tom Crompton, change strategist for the environmental organisation World wide Fund for Nature.
    2015年12月六级真题(第二套)阅读 Section B
    "with my institution and teaching load,I don't have postdocs and grad students," says Terry McGlynn, a tropical biologist at California State University, Dominguez hills.
    2017年12月六级真题(第二套)阅读 Section B
    "You're what you eat and drink, and that's recorded in your hair,"said Thure Cerling, a geologist at the University of Utah.
    2015年12月六级真题(第二套)听力 Section C
    4 million working days were lost to work related stress last year, a jump of nearly a quarter.
    2019年12月六级真题(第二套)听力 Section C
    40Currently, Patagonia repairs about 40,000 garments a year in their Reno, Nevada, service center.
    2019年6月六级真题(第二套)阅读 Section B
    5 million worth of young Bison that will be raised according to its grass-fed protocols, with a guaranteed purchase price.
    2019年12月六级真题(第三套)阅读 Section B
    71% of parents with a college degree say they do it every day, compared with 33% of those with a high school diploma or less.
    2017年6月六级真题(第二套)阅读 Section B
    A 2001 study cataloged all the ways in which the term " Black " carried connotations 涵 义 that were more negative than those of " African American. "
    2015年12月六级真题(第一套)阅读 Section C
    A 2016 study found that users had a "consistently positive attitude" about the giraff robot's ability to enhance communication and decrease feelings of loneliness.
    2018年12月六级真题(第二套)阅读 Section C
    A bathing machine was rolled down to the sea shore, so women would not be seen in swimwear.
    2018年12月六级真题(第一套)听力 Section B
    A battery-powered world comes with its own risks, too.
    2016年12月六级真题(第一套)阅读 Section C
    A billion people are living in slums, not the same billion people, but there is some overlap.
    2017年6月六级真题(第二套)听力 Section C
    A bonus with the "keep-moving principle" is that while we keep moving, we don't have a chance to worry?
    2019年12月六级真题(第一套)听力 Section B
    A bystander named John Roulstone wrote a poem about the event, then, at some point, Hale herself seems to have helped write it.
    2018年6月六级真题(第一套)阅读 Section A
    A car that takes off from London street and lands in another random street is unlikely to happen," says Prof.
    2019年6月六级真题(第二套)阅读 Section A
    A case can be made that rich nations export environmental problems, the most graphic example being climate change.
    2016年6月六级真题(第三套)阅读 Section B
    A century's worth of calculated name changes point to the fact that naming any group is a politically freighted exercise .
    2015年12月六级真题(第一套)阅读 Section C
    A CFL cannot be simply installed in an incandescent fixture and then expected to produce a visual appearance that is more than washed out, foggy, and dim.
    2015年12月六级真题(第一套)阅读 Section B
    A decade ago, this island's ecosystem was in chaos.
    2018年12月六级真题(第三套)阅读 Section A
    A drone (遥控飞行器) operator will invade someone's privacy.
    2016年6月六级真题(第二套)阅读 Section A
    A few psychology journals have created incentives to increase interest in reproducible science—for example,by affixing an ‘open-data' badge to articles that clearly state where data are available.
    2017年12月六级真题(第二套)阅读 Section B
    A few weeks after this positive dress rehearsal, the young lawyer did win.
    2017年6月六级真题(第二套)听力 Section B
    A few years later, a large defense buildup finally provided a fiscal stimulus adequate to the economy's needs—and suddenly industry was eager to employ those "unadaptable and untrained" workers.
    2016年6月六级真题(第三套)阅读 Section C
    A finding that was a bit surprising is that to consumers, the inner parts of high-tech devices do apparently matter.
    2015年12月六级真题(第二套)听力 Section C
    A flagship university in the South, the school graduates just 16 percent of its first-generation students, despite its overall graduation rate of 71 percent.
    2015年12月六级真题(第三套)阅读 Section B
    A further reduction in local supplies is yet another unwelcome setback to the industry.
    2017年12月六级真题(第一套)阅读 Section A
    A global campaign has been launched to create a network of ocean sanctuaries to protect the seas in the region and Greenpeace is calling for an immediate halt to fishing in areas being considered for sanctuary status.
    2019年12月六级真题(第二套)阅读 Section C
    A global campaign has been launched to turn a huge tract of Antarctic seas into ocean sanctuaries, protecting wildlife and banning not just krill fishing, but all fishing.
    2019年12月六级真题(第二套)阅读 Section C
    A group of individuals is not automatically a team.
    2015年12月六级真题(第二套)听力 Section B
    A handful of lawsuits have been filed in recent years against companies accused of using misleading environmental labels.
    2016年6月六级真题(第一套)阅读 Section C
    A high-tech test that can tell when a person is not telling the truth sounds too good to be true.
    2018年12月六级真题(第一套)听力 Section C
    A huge portion of our lives involves the surrender of our freedom and personal autonomy.
    2019年12月六级真题(第二套)听力 Section C
    A job application might mention affiliations with groups such as the "Wisconsin Association of African-American Lawyers" or the "National Black Employees Association," the names of which apparently have consequences, and are also beyond their members' con
    2015年12月六级真题(第一套)阅读 Section C
    A lot of clever people are terrified about artificial intelligence, fearing that robots will one day become so smart that they'll murder all of us.
    2018年6月六级真题(第三套)阅读 Section A
    A lot of people believe that working at a magazine is a glamorous job.
    2019年12月六级真题(第一套)听力 Section A
    A lot of people liked my photos and started asking me for travel tips.
    2018年12月六级真题(第一套)听力 Section A
    A lot of the government advertising has been about individual responsibility, but actually understanding that drinking is very much about the social activity and finding ways to help young people get home safely and not end up in hospital is one of the th
    2017年6月六级真题(第二套)听力 Section C
    A lot of times people are not really aware of the impact they have, or the fact that taking them in combination with other medications might put you at increased risk for something that you wouldn't otherwise being countering or be at risk for.
    2016年6月六级真题(第二套)听力 Section B
    A low wage for elementary school teachers, however, doesn't mean elementary education isn't important.
    2018年6月六级真题(第一套)阅读 Section C
    A machine can read millions of essay within minutes.
    2018年12月六级真题(第二套)听力 Section C
    A mere generation ago, parent-child relations were described as "the generation gap".
    2016年6月六级真题(第一套)阅读 Section B
    A new effort led by Canoe Ventures, a coalition of leading cable providers, aims to make interactive advertising available across America later this year.
    2016年6月六级真题(第三套)阅读 Section C
    A new study from michigan State University, though, argues that all students—including high achievers—see a decline in performance when they browse the Internet during class for non-academic purposes.
    2018年12月六级真题(第二套)阅读
    A new study has failed to find any conclusive evidence that lifestyle changes can prevent cognitive decline in older adults.
    2016年6月六级真题(第二套)听力 Section C
    A New York city-based nonprofit called Bridge to Enter Mathematics runs a residential summer program aimed at getting underserved students, mostly black and hispanic, working toward math and science careers.
    2017年6月六级真题(第三套)阅读 Section B
    A nice video published online last month sheds light on expertise and the conscious mind.
    2019年6月六级真题(第一套)听力 Section C
    A number of pioneers from the technology industry, most famously the entrepreneur Elon Musk, have also expressed their concerns about the damage that a super-intelligent AI could do to humanity.
    2019年6月六级真题(第一套)阅读 Section C
    A number of prominent economists have also argued that it's harder for the poor to climb the economic ladder today because the rungs (横档) in that ladder have grown farther apart.
    2015年12月六级真题(第三套)阅读 Section C
    A person shouldn't buy an insurance protection that really isn't necessary.
    2017年12月六级真题(第二套)听力 Section C
    A person, for example, who is allergic to cats would probably never become an animal doctor.
    2017年12月六级真题(第一套)听力 Section C
    A previous study noted that dolphins always 34 consciously control their breathing.
    2017年6月六级真题(第三套)阅读 Section A
    A quarter of students report that their use of digital devices during class causes their grades to suffer .
    2018年12月六级真题(第二套)阅读
    A recent International Labour Organization report says the deterioration of real wages around the world calls into question the true extent of an economic recovery, especially if government rescue packages are phased out too early.
    2016年6月六级真题(第二套)听力 Section B
    A recent study graded more than 600 internet retailers on how easy it was for consumers to shop, buy, and pay.
    2019年6月六级真题(第一套)阅读 Section B
柯林斯高阶英汉双解学习词典释义
英汉词典释义
英英词典释义
  • Noun
    1. the blood group whose red cells carry the A antigen
    2. a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation
    3. any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes
    4. one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)
    5. (biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA
    6. the basic unit of electric current adopted under the Systeme International d'Unites;
    "a typical household circuit carries 15 to 50 amps"
    7. the 1st letter of the Roman alphabet
行业词典
  • 医学: atto阿〔托〕:10-18;arterial blood动脉血(用作下角标);specific absorptivity比吸收率;activity (thermodynamic activity of a chemical species)〔化学物质热力〕效能;acceleration加速,加速度;〔前缀〕缺乏,缺少,无:在元音或h前,则用an;分离,分隔;离开,远离;
    法律: 抵押数;担保数;
    金融: 宣布股利以后当年额外的现金股利;