They help humans kill harmful insects.
出自-2017年6月阅读原文
They got a better understanding of early human civilization.
出自-2017年6月阅读原文
Much of the waste is discarded rotten meat, mixed in with other human debris such as plastic bags and old toys.
出自-2017年6月阅读原文
Massive rubbish dumps and sprawling landfills constitute one of the more uncomfortable impacts that humans have on wildlife.
出自-2017年6月阅读原文
With fertilizer prices jumping nearly 50% per metric ton over the last year in some places, human waste is an attractive, and often necessary, alternative.
出自-2016年6月阅读原文
Those dangers can be addressed with farmer and consumer education, he said, while the free water and nutrients from human waste can help urban farmers in developing countries to escape poverty.
出自-2016年6月阅读原文
There is a view that modern humans are inevitably sowing the seeds of a global Grand Banks-style disaster.
出自-2016年6月阅读原文
The roots of his speech, given in March at the roundtable meeting of environment and energy ministers from the G20 group of nations, stretch back to 1972, and the United Nations Conference on the Human Environment in Stockholm.
出自-2016年6月阅读原文
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.
出自-2016年6月阅读原文
The House bill would authorize the secretary of health and human services to negotiate drug prices in Medicare and Medicaid.
出自-2016年6月阅读原文
One recent study attempted to calculate the extent of this ecological overshoot of the human economy, and found that we are using 1.2 Earth's-worth of environmental goods and services—the implication being that at some point the debt will be called in, and all those services—the things which the planet does for us for free—will grind to a halt.
出自-2016年6月阅读原文
Irrigation is the primary agricultural use of human waste in the developing world.
出自-2016年6月阅读原文
In most cases, the human waste is used on grain crops, which are eventually cooked, minimizing the risk of transmitting water-borne diseases.
出自-2016年6月阅读原文
But frequently untreated human waste harvested from lavatories is delivered to farms and spread as fertilizer.
出自-2016年6月阅读原文
But could Norway keep its standard of living and yet cut its emissions to Moroccan or even Ethiopian levels? That question, repeated across a dozen environmental issues and across our diverse planet, is what will ultimately determine whether the human race is living beyond its ecological means as it pursues economic revival.
出自-2016年6月阅读原文
But Pay Drechsel, an environmental scientist, argues that the social and economic benefits of using untreated human waste to grow food outweigh the health risks.
出自-2016年6月阅读原文
A politician noted for being cautious asserts that sustainable human development depends on the natural environment.
出自-2016年6月阅读原文
a basis for explaining human genetic diversityan aid to understanding different populationsan explanation for social and cultural differencesa term to describe individual human characteristicsmodern genetics research is likely to fuel racial conflictsrace is a poorly defined marker of human genetic diversityrace as a biological term can explain human genetic diversitygenetics research should consider social and cultural variablesit is absolutely necessary to put race aside in making diagnosisit is important to include social variables in genetics researchracial categories for genetic diversity could lead to wrong clinical predictionsdiscrimination against black people may cause negligence in clinical treatmentThey be more precise with the language they use.
出自-2016年12月阅读原文
So what other variables could be used if the racial concept is thrown out? Yudell said scientists need to get more specific with their language, perhaps using terms like ancestry or population that might more precisely reflect the relationship between humans and their genes, on both the individual and population level.
出自-2016年12月阅读原文
Michael Yudell, a professor of public health at Drexel University in Philadelphia, said that modern genetics research is operating in a paradox: on the one hand, race is understood to be a useful tool to illuminate human genetic diversity, but on the other hand, race is also understood to be a poorly defined marker of that diversity.
出自-2016年12月阅读原文
He spoke out against the idea of white and black as distinct groups, claiming that these distinctions ignored the scope of human diversity.
出自-2016年12月阅读原文
We often deal with complex human needs.
出自-2016年12月听力原文
Its primary mission is to enhance human well-being and help meet the basic needs of all people, with the particular focus on those who are vulnerable, oppressed and living in poverty.
出自-2016年12月听力原文
This is a very sensible way for an animal to make decisions in the wild and would have been very helpful for humans for thousands of years.
出自-2015年12月阅读原文
In their evolution, humans have learned to pay attention to the most urgent issues instead of long-term concerns.
出自-2015年12月阅读原文
Evolution has programmed humans to pay most attention to issues that will have an immediate impact.
出自-2015年12月阅读原文
\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
A roboticist at the Bristol Robotics Laboratory programmed a robot to save human proxies (替身) called H-bots from danger.
2017年12月六级真题(第二套)阅读 Section C
According to a report, Google's self-driving cars clocked 1, 023, 3 km, and required human intervention 124 times.
2019年6月六级真题(第三套)阅读 Section C
As conservation areas become smaller, lions are increasingly coming into contact with human populations, which are expanding to the boundaries of these protected areas.
2018年12月六级真题(第一套)阅读 Section A
As human beings, we're primed to compare ourselves to each other in what is an anxiety-inducing phenomenon.
2019年6月六级真题(第三套)阅读 Section C
As long as robots add to the sum of human happiness, reduce suffering, and create time to read world-class journalism, we should be their fans.
2018年6月六级真题(第三套)阅读 Section A
But a lot of information we get about human groups is through biased sources, like how they are represented in the media.
2017年12月六级真题(第二套)听力 Section C
But even without gadgets that understand our spoken commands, research suggests that, as bizarre as it sounds, under certain circumstances, people regularly ascribe human traits to everyday objects.
2019年12月六级真题(第三套)阅读 Section A
But in today's lecture, we'll look at three very interesting studies that hint at surprising abilities of human babies.
2019年12月六级真题(第一套)听力 Section C
But Smith counters that if you factor in the hidden cost of government corn subsidies, environment degradation, and decreased human heath and animal welfare, grass-fed is the more cost-effective model.
2019年12月六级真题(第三套)阅读 Section B
But today's report is the starkest warning yet of the potentially devastating impact of climate change and human exploitation on the Antarctic's delicate ecosystems.
2019年12月六级真题(第三套)阅读 Section C
But, as the human study suggests, another reason for dolphins keeping their eyes open during sleep is that they can look out for predators while asleep.
2017年6月六级真题(第三套)阅读 Section A
Driving once seemed to be a very human skill.
2019年6月六级真题(第三套)阅读 Section C
Feeling both positive and negative emotions is a natural part of being human.
2016年12月六级真题(第二套)听力 Section C
For most of human history, we all had dark skin.
2019年6月六级真题(第一套)听力 Section C
I want to tell you about the past, present and future of the human population.
2017年6月六级真题(第二套)听力 Section C
It's not only the study of human population, but the populations of non-human species, including viruses like influenza, the bacteria in your gut, plants that you eat, animals that you enjoy or that provide you with meat.
2017年6月六级真题(第二套)听力 Section C
Just like medical researchers use rats to test ideas for human medical treatments, botanists use plants that are relatively easy to grow in a lab or greenhouse setting to test their ideas for related species.
2018年6月六级真题(第一套)阅读 Section B
Michael Yudell, a professor of public health at Drexel University in Philadelphia, said that modern genetics research is operating in a paradox: on the one hand, race is understood to be a useful tool to illuminate human genetic diversity, but on the othe
2016年12月六级真题(第一套)阅读 Section C
One recent study attempted to calculate the extent of this \ecological overshoot of the human economy\, and found that we are using 1.2 Earth's-worth of environmental goods and services—the implication being that at some point the debt will be called in,
2016年6月六级真题(第三套)阅读 Section B
Our second study is about music, for this study researchers play music to babies through speakers located on either side of a human face.
2019年12月六级真题(第一套)听力 Section C
Robots capable of social engagement help with loneliness as well as cognitive functioning, but the robot itself doesn't have to engage directly—it can serve as an intermediary for human communication.
2018年12月六级真题(第二套)阅读 Section C
Skin may seem like a superficial human attribute, but it's the first thing we notice about anyone we meet.
2019年6月六级真题(第一套)听力 Section C
Small communities, with their distinctive character—where life is stable and intensely human—are disappearing.
2016年12月六级真题(第三套)阅读 Section A
So here's another way in which smartphones might transform the way we live and work: by offering insights into human psychology and behavior and, thus, supporting smarter social science.
2018年12月六级真题(第一套)阅读 Section C
Sometimes we see things as human because we are lonely.
2019年12月六级真题(第三套)阅读 Section A
That question, repeated across a dozen environmental issues and across our diverse planet, is what will ultimately determine whether the human race is living beyond its ecological means as it pursues economic revival.
2016年6月六级真题(第三套)阅读 Section B
That's because, for the first time in human history, a large proportion of the- species is in continuous contact with technology that can record key features of an individual's behavior and environment.
2018年12月六级真题(第一套)阅读 Section C
The board game Go(围棋) took over from chess as a new test for human thinking in 2016, when a computer beat one of the world's leading professional Go players.
2019年6月六级真题(第三套)阅读 Section C
The impact of a basic discovery on human health can be exaggerated so that the public thinks a miraculous cure is a few months to years away when in reality the significance of the study is far more limited.
2018年12月六级真题(第三套)阅读 Section C
The winning programs were able to match the grades given by human teachers.
2018年12月六级真题(第二套)听力 Section C
Then a computer beat the human world champion, repeatedly.
2019年6月六级真题(第三套)阅读 Section C
They are thin, tall, long-legged and virtually unlike any real human being.
2017年12月六级真题(第一套)听力 Section B
They should also be sceptical of the growing tendency to try to reduce all human traits and actions to the level of brain activity.
2018年12月六级真题(第一套)听力 Section C
This was really an important revolution in human history, because it allowed us to continue to evolve in equatorial environments.
2019年6月六级真题(第一套)听力 Section C
We need to help our children learn how to best work with smart computers to improve human decision-making.
2019年6月六级真题(第三套)阅读 Section C
What we see today is the product of evolutionary events resulting from the dispersal of a few human populations out of Africa around 60, 000 to 70, 000 years ago.
2019年6月六级真题(第一套)听力 Section C
When college students were reminded of a time they had been excluded in a social setting, they compensated by exaggerating their number of friends—unless they were first given tasks that caused them to interact with their phone as if it had human qualitie
2019年12月六级真题(第三套)阅读 Section A
While human achievements in mathematics continue to reach new levels of complexity, many of us who aren't mathematicians at heartor engineers by trad may struggle to remember the last time we used calculus.
2018年12月六级真题(第二套)阅读 Section C
with fertilizer prices jumping nearly 50% per metric ton over the last year in some places, human waste is an attractive, and often necessary, alternative.
2016年6月六级真题(第二套)阅读 Section C
You probably remember that human infants are less developed physically than other mammals of the same age.
2019年12月六级真题(第一套)听力 Section C