Social scientists say the differences arise in part because low-income parents have less money to spend on music class or preschool, and less flexible schedules to take children to museums or attend school events.
出自-2017年6月阅读原文
Of course, much of this argument in the 1930s-40s was advanced because there was little or no experience in justifying apparel ( ' , 服装) on the basis of utility.
出自-2017年6月阅读原文
Morgan said last week that he would retire at the end of January because of the governor's proposal to split off six universities of the Board of Regents system and create separate governing boards for each of them.
出自-2017年6月阅读原文
Middle school is an important age because students have enough math capability to solve advanced problems, but they haven't really decided what they want to do with their lives, said Loh.
出自-2017年6月阅读原文
Different upbringings set children on different paths and can deepen socioeconomic divisions, especially because education is strongly linked to earnings.
出自-2017年6月阅读原文
But the barriers are disappearing, in part because journals and funding agencies worldwide are encouraging scientists to make their data public.
出自-2017年6月阅读原文
And because those influence educational success and later earnings, early childhood experiences cast a lifelong shadow.
出自-2017年6月阅读原文
The don’ts can be self-fulfilling because your mind response to pictures.
出自-2017年6月听力原文
And, apparently, that day has come because seemingly routine operations such as knee replacements are now much more hazardous due to the looming threat of these infections.
出自-2017年6月听力原文
Why, then, has this claim become so popular?Part of the answer is that this is what always happens during periods of high unemployment—in part because experts and analysts believe that declaring the problem deeply rooted, with no easy answers, makes them sound serious.
出自-2016年6月阅读原文
Unemployment cannot be brought down rapidly, declared one 1935 analysis, because the workforce is unadaptable and untrained.
出自-2016年6月阅读原文
The lawsuits said that the label was misleading because it gave the impression that the products had been certified by a third party when the certification was the company's own.
出自-2016年6月阅读原文
Nearly 2.2 million people die a year because of diarrhea-related ( ' , 与腹泻相关 的) diseases, according to WHO statistics.
出自-2016年6月阅读原文
Mothers have been warned for years that sleeping with their newborn infant is a bad idea, because it increases the risk that the baby might die unexpectedly during the night.
出自-2016年6月听力原文
In the paper, he and his colleagues used the example of cystic fibrosis, which is underdiagnosed in people of African ancestry because it is thought of as a white disease.
出自-2016年12月阅读原文
For instance, new technologies that are building upon existing technology have not found their footing well enough to appeal to a mass audience, because, in many cases, they need to work effectively with other devices to realize their full appeal.
出自-2016年12月阅读原文
Efforts to create one of the world's largest ocean sanctuaries failed because of Russia's obstruction.
出自-2016年12月阅读原文
Consumers are often hesitant to try smart-home devices because they are worried about compatibility problems.
出自-2016年12月阅读原文
Companies are pushing it hard but make it almost overwhelming even to dip a toe in the water for the average consumer, because there are so many compatibility issues to think about.
出自-2016年12月阅读原文
Because their behaviors are not usually seen as a red flag, these young people have been dubbed the invisible risk group by the study's authors.
出自-2016年12月阅读原文
And because a failure to accept these increased demands indicates a lack of commitment to one's work, the employee complies.
出自-2016年12月阅读原文
Social work is different from other professions, because we focus on the person and environment.
出自-2016年12月听力原文
One reason any campaign wants a popular celebrity spokesperson is because kids are attracted to them no matter what they are doing.
出自-2016年12月听力原文
But because this population is getting larger, the number of deaths in this group is also increasing.
出自-2016年12月听力原文
And the New Yorkers who spent a bundle on an outdoor hot tub now admit they rarely use it, because we can’t afford to heat it in winter.
出自-2016年12月听力原文
Whether it's a sports team or a presidential campaign, everybody relishes having the big momentum, because it makes them harder to stop or change direction.
出自-2015年12月阅读原文
We worry most about now because if we don't survive for the next minute, we're not going to be around in ten years' time, says Professor Elke Weber of the Centre for Research on Environmental Decisions at Columbia University in New York.
出自-2015年12月阅读原文
To change the light source is costly because you have to change the whole fixture.
出自-2015年12月阅读原文
This one was chosen because it echoed the labels of groups, such as Italian Americans and Irish Americans, that had already been freed of widespread discrimination.
出自-2015年12月阅读原文
That is because the engineers, designers, regulators, operators, and all of the other skilled people needed for the new energy industry are specialists who have to be trained first ( ' , or retrained, if they are the ones being laid off in some related industry), and education, like any other complicated endeavor, takes times.
出自-2015年12月阅读原文
Some analysts say that there's a role for doctors to play in cost analysis because not many others are doing so.
出自-2015年12月阅读原文
Inequality is dangerous, he argued, not merely because it doesn't look good to have a large gap between the rich and the poor, but because inequality itself destroys upward mobility, making it harder for the poor to escape from poverty.
出自-2015年12月阅读原文
He said doctors risked losing the trust of patients if they told patients, I'm not going to do what I think is best for you because 1 think it's bad for the healthcare budget in Massachusetts.
出自-2015年12月阅读原文
And there is more to the story, because not only are the devices that house incandescent bulbs shaped to their underlying characteristics, but rooms and entire buildings have been designed in accordance with how incandescent lighting reflects off walls and windows.
出自-2015年12月阅读原文
All the forecasts, plans, and anticipations cited above have failed so miserably because their authors and promoters thought the transitions they hoped to implement would proceed unlike all previous energy transitions, and that their progress could be accelerated in an unprecedented manner.
出自-2015年12月阅读原文
A recent study, conducted by Emory University's Erika Hall, found that Black people are viewed more negatively than African Americans because of a perceived difference in socioeconomic status.
出自-2015年12月阅读原文
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.
出自-2015年12月阅读原文
\We worry most about now because if we don't survive for the next minute, we're not going to be around in ten years' time,\ says Professor Elke Weber of the Centre for Research on Environmental Decisions at Columbia University in New York.
2015年12月六级真题(第二套)阅读 Section B
\It's been hard not to share pictures of her because people always want to know how babies and toddler (学走路的孩子) are doing and to see pictures, but we made the decision to have social media while she did not,\ O'Hanlon said.
2018年12月六级真题(第三套)阅读 Section B
\It's nothing new, it's nothing too complicated and it's natural because lots of people have TV remotes,\ says Rodriguez.
2019年6月六级真题(第一套)阅读 Section C
\middle school is an important age because students have enough math capability to solve advanced problems, but they haven't really decided what they want to do with their lives,\ said Loh.
2017年6月六级真题(第三套)阅读 Section B
\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
\What we find is you actually look at the world slightly differently, because you're looking for things you want to capture, that you may want to hang onto,\ Dehl explains. \That gets people more engaged in the experience, and they tend to enjoy it more.\
2018年6月六级真题(第二套)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 recent study, conducted by Emory University's Erika Hall, found that \ Black \ people are viewed more negatively than \ African Americans \ because of a perceived difference in socioeconomic status.
2015年12月六级真题(第一套)阅读 Section C
And it’s very expensive because it comes from a special type of pig that only eats a special type of food.
2018年6月六级真题(第二套)听力 Section A
And just because work stops, it doesn't mean we are recovering.
2018年12月六级真题(第一套)阅读 Section B
And since we've moved to this new shop, the expenses have increased greatly because it's a much bigger shop.
2016年12月六级真题(第一套)听力 Section A
And there is more to the story, because not only are the devices that house incandescent bulbs shaped to their underlying characteristics, but rooms and entire buildings have been designed in accordance with how incandescent lighting reflects off walls an
2015年12月六级真题(第一套)阅读 Section B
As Vaclav Smil points out, \All the forecasts, plans, and anticipations cited above have failed so miserably because their authors and promoters thought the transitions they hoped to implement would proceed unlike all previous energy transitions, and that
2015年12月六级真题(第一套)阅读 Section B
Asian women prefer to avoid the sun, because being pale or white is considered beautiful, whereas a tanned complexion is considered much more beautiful and sexy in the West.
2019年6月六级真题(第一套)听力 Section C
At around age 60, \muscles really start to break down,\ says Kathryn Starr, an aging researcher, \and because of that, the protein needs of an older adult actually increase.
2019年12月六级真题(第二套)阅读 Section B
Because children's brain and behavioral disorders, like hyperactivity and lower grades, can also be linked to social and genetic factors, it's tough to pin them on exposure to specific chemicals with solid 33 statistical evidence, which is what the EPA re
2015年12月六级真题(第一套)阅读 Section A
Because if we aren't, we won't be providing much value in future ecosystems, and that may put in question the foundation for our existence.
2019年6月六级真题(第三套)阅读 Section C
Because it's such a pity if you start off on a bright tone on a story and suddenly realize you are talking about some people having been killed in a road crash.
2015年12月六级真题(第一套)听力 Section A
Because of their smaller size, most keep hours that allow people to enjoy themselves, then have some quiet after midnight, as opposed to large major cities like New York, where the buzz of activity is ongoing.
2017年12月六级真题(第一套)阅读 Section C
Because of these differences, comparing France's consumption with the U.S.'s overstates the gap in economic welfare.
2018年6月六级真题(第三套)阅读 Section C
Because previous research has shown that people with high intellectual abilities are better at filtering out distractions, researchers believed students with high ACT scores would not show a significant decrease in performance due to their use of digital
2018年12月六级真题(第二套)阅读
Because there was slightly more matter, the collisions quickly depleted all the anti-matter and left just enough matter to create stars, planets, and eventually us.
2018年12月六级真题(第一套)听力 Section A
Because they're so small and light, it costs much less to get a Cube Sat into Earth's orbit than a traditional communications or GPS satellite.
2019年6月六级真题(第三套)阅读 Section B
Because when the dust settles, people are going robe pretty much what they are.
2015年12月六级真题(第二套)听力 Section A
But he says, \Collaborations have also emerged because of increased possibilities.\
2019年6月六级真题(第二套)听力 Section C
But surely everyone reading this has had times when you lie in bed for hours, unable to fall asleep because your brain is thinking about work.
2018年12月六级真题(第一套)阅读 Section B
Companies are pushing it hard but make it almost overwhelming even to dip a toe in the water for the average consumer, because there are so many compatibility issues to think about.
2016年12月六级真题(第二套)阅读 Section B
Demography also includes the study of non-living objects like light bulbs and taxi cabs, and buildings because these are also populations.
2017年6月六级真题(第二套)听力 Section C
Even though Spooner screams \Save her! Save her!\, the robot rescues him because it calculates that he has a 45 percent chance of survival compared to Sarah's 11 percent.
2017年12月六级真题(第二套)阅读 Section C
For instance, DeWalt discovered that many contractors were holding on to their old tools, even if they no longer worked, because they were expensive purchases and it was hard to justify bringing them in to recycle.
2019年6月六级真题(第二套)阅读 Section B
For instance, new technologies that are building upon existing technology have not found their footing well enough to appeal to a mass audience, because, in many cases, they need to work effectively with other devices to realize their full appeal.
2016年12月六级真题(第二套)阅读 Section B
From a political perspective, we need to understand the terms on which major countries like China and the USA might sign up to a global agreement because at the moment we don't have that consensus.
2016年12月六级真题(第二套)听力 Section A
He said doctors risked losing the trust of patients if they told patients, \I'm not going to do what I think is best for you because I think it's bad for the healthcare budget in Massachusetts.\
2015年12月六级真题(第三套)阅读 Section C
I think it's a problem because you're not giving equal access to education to everybody.
2016年6月六级真题(第二套)听力 Section A
I use the term \low-tier\ cautiously, because GSU is a well-regarded research institution that attracts high quality professors and faculty from all over the country.
2018年6月六级真题(第三套)阅读 Section B
I was a bit nervous saying yes, because I'm far from a professional.
2019年6月六级真题(第一套)听力 Section A
If I'm right, we should foster a creative spirit because a dose of illogical creativity will complement the rationality of the machine.
2019年6月六级真题(第三套)阅读 Section C
If there's a downward pressure on costs, because of a need for investment in other areas, I would argue that this is a perfectly feasible solution.
2016年12月六级真题(第二套)听力 Section C
If you want something to be done, then their staff do not have so much incentive to help you because he's a worker for the government.
2016年6月六级真题(第二套)听力 Section A
I'm attracted to it, because culture isn't something that only shapes the way our minds operate.
2019年6月六级真题(第二套)听力 Section C
In fact, lower-tier school alumni networks are arguably stronger, because fellow alumni recognize that you didn't necessarily have an easy path to follow.
2018年6月六级真题(第三套)阅读 Section B
In fact, they sometimes take their own lives because they are treated so badly, and because they believe they will be born again, free and living in their own land.
2018年12月六级真题(第二套)阅读 Section B
In the seed world, that makes them rare, because most seeds from flowering plants are quite robust.
2018年6月六级真题(第一套)阅读 Section B
In West Africa, people have long chewed kola nuts as stimulants, because they contain caffeine that also occurs naturally in tea, coffee, and chocolate.
2017年12月六级真题(第一套)阅读 Section C
It's funny you ask that because I never have this moment when I feel, \Ah, I've finished!\ I watch footballers at the end of the match, you know, the whistle goes and they've won or lost.
2017年6月六级真题(第一套)听力 Section A
I've often heard that medieval glass windows are thicker at the bottom because glass flows like a fluid.
2018年12月六级真题(第二套)听力 Section A
Just because you can make good choices for others doesn't mean you'll do the same for yourself, Polman cautions.
2018年6月六级真题(第三套)阅读 Section C
Maybe students who choose less prestigious universities are bound to succeed because they are determined to.
2018年6月六级真题(第三套)阅读 Section B
Meanwhile, pupils arrive at school hungry because their families can't afford breakfast.
2019年12月六级真题(第三套)阅读 Section C
Nearly 2.2 million people die a year because of diarrhea-related diseases, according to WHO statistics.
2016年6月六级真题(第二套)阅读 Section C
No need to, says Pipitone, because, in fact, most of us already get enough protein in our diet.
2019年12月六级真题(第二套)阅读 Section B
Of course, much of this argument in the 1930s-40s was advanced because there was little or no experience in justifying apparel on the basis of utility.
2017年6月六级真题(第三套)阅读 Section C
Part of the answer is that this is what always happens during periods of high unemployment—in part because experts and analysts believe that declaring the problem deeply rooted, with no easy answers, makes them sound serious.
2016年6月六级真题(第三套)阅读 Section C
Part of the reason this ban is being discussed and implemented is because energy officials see that they will not reach their emissions goals by 2050 if they do not eliminate a large portion of vehicle emissions.
2017年12月六级真题(第三套)阅读 Section A
People often get into love affairs because they have unrealistic expectations about somebody.
2015年12月六级真题(第二套)听力 Section A
Perhaps a lot of them don't realize how well we're doing, because we don't make a point of publicizing.
2016年12月六级真题(第一套)听力 Section A
Research shows that when we absorb information in order to teach it to someone else, we learn it more accurately and deeply, perhaps in part because we are engaging our social cognition.
2018年6月六级真题(第二套)阅读 Section B
Ross Mounce, a postdoc studying evolutionary biology at the University of Cambridge, UK, is a vocal champion of open science, partly because his fossil-based research depends on access to others' data.
2017年12月六级真题(第二套)阅读 Section B
She found she did spend a lot less money because it is incredibly hard to predict how much cash one is going to need—she was forever drawing money out of Cashpoints.
2017年6月六级真题(第二套)听力 Section C
So as a result, there are fewer listeners of Jazz, which is a great shame because it's an incredibly rich genre.
2019年12月六级真题(第二套)听力 Section A
So, instead of innovation for innovation's sake and new products being created simply because the technology is there, the company culture must switch from these point-in-time innovations to a continuous pipeline of innovations from everywhere and everyon
2016年6月六级真题(第一套)听力 Section A
Some experts even consider lying a developmental milestone, like crawling and walking, because it requires sophisticated planning, attention and the ability to see a situation from someone else5 s perspective to manipulate them.
2019年12月六级真题(第一套)阅读 Section C
Some parents pull their children out of school because of expensive field trips.
2019年12月六级真题(第三套)阅读 Section C