levels是什么意思？

The latest congressional report acknowledges the critical importance of technical training, but also asserts that the study of the humanities (人文学科)and social sciences must remain central components of America's educational system at all levels.

Several hours after a meal, people's hunger levels were predicted not by how much they'd eaten but rather by how much food they'd seen in front of them in other words, how much they remembered eating

In a 2011 study, for instance, people who drank the same 380-calorie(卡路里) milkshake on two separate occasions produced different levels of hunger-related hormones (荷尔蒙), depending on whether the shake's label said it contained 620 or 140 calories

Hunger levels depend on one's consumption of calories.

B ) Psychological factors influence our hunger levels

A US study suggested that when a school gave children access to a natural environment, academic levels were raised across the entire school.

"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.

"There's a mountain of evidence 34 proving the importance of sex influences at all levels of brain function," he told The Seattle times.

"When people are sleep-deprived, there are higher levels of stress hormones in their bodies which can decrease immune function," says Doctor Felice, of Northwestern University in Chicago.

And based on past experiences, it takes four to five years after economic recovery for unemployment to return to pre-crisis levels.

Around 9 in 10 people in low- and middle-income countries live in places where they regularly experience dangerous levels of outdoor air pollution.

Blood pressure and heart rate are typically at their lowest levels during sleep.

But those shifts have yet to be reflected in record obesity levels, which stand at 36.5% overall in the US.

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?

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.

Its key objective is to place at the centre of recovery efforts measures that would generate high levels of employment and provide basic social protection for the most vulnerable.

Levels of outdoor pollution have grown rapidly along with rapid growth in industry and transportation.

Maintaining safe speeds and being electric, self-driving cars would drastically reduce pollution levels and dependency on non-renewable fuels.

She noticed there was a real void in quality STEM education at all levels of the public educational system.

The maker of Mountain Dew and Gatorade has been one of the earlier movers in the industry to offer products with reduced levels of unhealthy ingredients—PepsiCo claims a packet of its chips now contains less salt than a slice of white bread.

Warming waters are known to contribute to coral bleaching and they take up more space than cooler waters, raising sea levels.

We must cut carbon emissions by 80% from their 2006 levels by 2020, stabilize the world's population at eight billion by 2040, completely remove poverty, and restore forests and soils.

with surging obesity levels putting increasing strain on public health systems, governments around the world have begun to toy with the idea of taxing sugar as well.

within six months to a year, people are back to their original baseline levels of well-being.

Some scientists believe that the rise in carbon levels means that the Amazon and other rain forests in Asia and Africa may go from being assets in the battle against rising temperatures to liabilities.

More than paradise lost, a perishing rain forest could trigger a domino effect - sending winds and rains kilometers off course and loading the skies with even greater levels of greenhouse gases - that will be felt far beyond the Amazon basin

The author argues that the rising carbon levels in rain forests may turn them into a major source of greenhouse gases.

Timely reform of government at all levels.

People who lack close friends have greater levels of anxiety and depression than people who are close to others.

A study of employees at health insurance provider Aetna revealed that roughly one quarter of those taking in-office yoga and mindfulness classes reported a 28% reduction in their stress levels and a 20% improvement in sleep quality.

Although many of the churches appear from the outside to be complex structures, they normally feature only a single storey but numerous different roof levels.

And we also need to plan ahead so that we're in a position to deal with the likely levels of climate change which are already inevitable and even more so too for the levels that are likely if we don't get those global agreements.

But could Norway keep its standard of living and yet cut its emissions to Moroccan or even Ethiopian levels?

But thinking about or remembering descriptions in terms of their social meaning activated the dorsomedial prefrontal cortex—part of the brain's social network—even as traditional memory regions registered low levels of activity.

Chetty finds that communities like Salt Lake city, with high levels of two- parent families and religiosity, are much more likely to see poor children get ahead than communities like Atlanta, with high levels of racial and economic segregation.

Even so, the levels in these countries are also rising.

In other words, communities with high levels of per-capita income growth, high percentages of two-parent families, and high local government spending — which may stand for good schools — are the most likely to help poor children relive Horatio Alger's rag

Inflation, resource scarcity, reduced personnel levels and budget cuts have all underscore the need for better coordination in organizations.

It turns out that those who consumed the highest levels of fiber during adolescence had a lower risk of developing breast cancer, compared to the women who ate the least fiber.

Of the 300 employees participating in the study, those who experienced high levels of telepressure were more likely to agree with statements assessing burnout, like "I've no energy for going to work in the morning", and to report feeling fatigued and unfo

Patrick Belser, an International Labour Organization specialist says declining wage rates are linked to the levels of unemployment.

Penguins, like other seabirds and marine mammals, occupy higher levels in the food chain and they are what we call bio-indicators of their ecosystems.

People used to live near people of different income levels; neighborhoods are now more segregated by income.

Saturated fats are used by the body to make cholesterol, and high levels of cholesterol have since been directly related to heart disease.

Science has shown a clear correlation between high stress levels in workers and absenteeism(旷工), reduced productivity, disengagement and high turnover.

So far this year, water levels have been too high for the flamingos to nest.

Strategic innovation is the process of managing innovation of making sure it takes place at all levels of the company, and that is related to the company's overall strategy.

Stress levels increased 18% for women and 24% for men from 1983 to 2009.

The Ebro Delta, in Spain, famous as a battleground during the Spanish civil War, is now the setting for a different contest, one that is pitting rice farmers against two enemies: the rice-eating giant apple snail, and rising sea levels.

The finding points to longstanding evidence that fiber may reduce circulating female hormone levels, which could explain the reduced risk.

The organizers of the experiment concluded that far fewer students were achieving at high levels on critical thinking than they were doing for written communication or quantitative literacy.

There are usually two parents, who spend a lot of time reading to children and worrying about their anxiety levels and hectic schedules.

These early ancestors of modern Eurasians dispersed into parts of the world that had more seasonal sunshine and much lower levels of sun radiation.

To address skyrocketing employee stress levels, many companies have implemented workplace wellness programs, partnering with health care providers that have created programs to promote employee health and well-being.

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.

While yoga and meditation are scientifically proven to reduce stress levels, these programs do little to target the root causes of burnout and disengagement.