It is their major source of protein in winter.

出自-2017年6月阅读原文

In spring, chickens start laying again, bringing a welcome source of protein at winter's end.

出自-2017年6月阅读原文

Millions of irrigation wells in many countries are now pumping water out of underground sources faster than rainfall can refill them.

出自-2016年6月阅读原文

Failing states are of international concern because they are a source of terrorists, drugs, weapons and refugees ( ' , 难民), threatening political stability everywhere.

出自-2016年6月阅读原文

To make that happen, you have to help the child find pleasure in learning—to see school as source of joy.

出自-2015年12月阅读原文

Shouldn't preparing—and consuming—food be a source of comfort, pride, health, well-being, relaxation, sociability? Something that connects us to other humans? Why would we want to outsource ( ' , 外包 ) this basic task, especially when outsourcing it is so harmful? When I talk about cooking, I'm not talking about creating elaborate dinner parties or three-day science projects.

出自-2015年12月阅读原文

It will not be difficult to make learning a source of joy if educators change their way of thinking.

出自-2015年12月阅读原文

In some cases, schools should help children find new, more grown-up ways of doing the same things that are constant sources of joy: making art, making friends, making decisions.

出自-2015年12月阅读原文

They weren't using it as a source of communication because they couldn't read or write in it.

出自-2013年6月阅读原文

Publishers give us all of the source media, artwork, videos," he says, "We help them think through how to actually build something for this platform

出自-2013年6月阅读原文

For example, one who doesn't know the rules a about plagiarism (剽窃) may accidentally use words or ideas without giving proper credit or one who fails to keep careful research notes may unintentionally fail to quote and cite sources as required.

出自-2011年12月阅读原文

But experts say that even when combined , alternative energy sources will likely meet only about 30% of the world's energy needs by

出自-2011年12月阅读原文

For example, even with significantinvestments, such as the $93 million for wind energy development included in the American Recovery and Reinvestment Act, important alternative energy sources such as wind and bio-fuels comprise only about 1% of the market today

出自-2011年12月阅读原文

However, the British don't have a history of exporting their foodstuffs, which makes it difficult for restaurants in Hong Kong to source authentic ingredients.

出自-2011年6月阅读原文

Plus, importantly, the power source is rechargeable, so this does not involve using any valuable resources.

出自-2013年6月听力原文

She is not a reliable source of information

出自-2013年6月听力原文

The creative process has always been accepted as the source of all important work in the arts, but we should not think the creativity plays a role only in the arts.

出自-2012年6月听力原文

It is the source of all artistic work

出自-2012年6月听力原文

Shouldn't preparing—and consuming—food be a source of comfort, pride, health, well-being, relaxation, sociability?

2015年12月四级真题（第三套）阅读 Section B

So if something happens to their food source, they have a way of not starving to death until they find more algae to eat.

2019年12月四级真题（第三套）阅读 Section C

To make that happen, you have to help the child find pleasure in learning — to see school as source of joy.

2015年12月四级真题（第一套）阅读 Section B

The current low fossil fuel price environment will thus certainly delay the energy transition from fossil fuel to clean energy sources.

出自-2017年6月阅读原文

Notwithstanding important recent progress in developing renewable fuel sources, low fossil fuel prices could discourage further innovation in, and adoption of, cleaner energy technologies.

出自-2017年6月阅读原文

Fossil fuels remain the major source of primary energy consumption in today's world.

出自-2017年6月阅读原文

For example, the United Arab Emirates has endorsed an ambitious target to draw 24% of its primary energy consumption from renewable sources by 2021.

出自-2017年6月阅读原文

Coal and natural gas are mainly used for electricity generation, whereas oil is used mostly to power transportation, yet the prices of all these energy sources are linked.

出自-2017年6月阅读原文

By raising relative demand for clean energy sources, a carbon price would also help align the market return to clean-energy innovation with its social return, spurring the refinement of existing technologies and the development of new ones.

出自-2017年6月阅读原文

A tax on upstream carbon sources is one easy way to put a price on carbon emissions, although some countries may wish to use other methods, such as emissions trading schemes.

出自-2017年6月阅读原文

In poor, dry regions, untreated wastewater is the only viable irrigation source to keep farmers in business.

出自-2016年6月阅读原文

From other sources, we also know teenage crime, drug abuse and premarital sex are in general decline.

出自-2016年6月阅读原文

The 83% of American employees who are stressed about their jobs – up from 73% just a year before – say that poor compensation and an unreasonable workload are their number-one sources of stress.

出自-2016年12月阅读原文

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.

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

There are some very commendable characteristics of the CFL [compact fluorescent ( ' , 荧光的 ) light bulb], yet the selection of any light source remains inseparable from the luminaire ( ' , 照明装置 ) that houses it, along with the space in which both arc installed, and lighting requirements that need to be satisfied.

出自-2015年12月阅读原文

The whole fixture must be replaced—light source and luminaire—and this is never an inexpensive proposition.

出自-2015年12月阅读原文

The problem with lighting, if it arises, often doesn't lie in light sources but in their applications.

出自-2015年12月阅读原文

As lighting expert Howard Brandston points out, Generally, there are no bad light sources, only bad applications.

出自-2015年12月阅读原文

If the time for heel-dragging has been shortened, the true source of the anxiety and panic remains what it has always been.

出自-2013年12月阅读原文

However, water used in irrigation is often sourced unsustainably.

出自-2013年12月阅读原文

With production anticipated to increase by 25% between now and 2030, sustainable energy sourcing will become an increasingly major issue.

出自-2013年12月阅读原文

Starting in the 1980s, skill in finance grew in importance, and, as depicted in the news media and the movies, became a more appealing source of income.

出自-2013年6月阅读原文

billion metric tons of carbon into the atmosphere each year - making forests the leading source of greenhouse gases

出自-2013年6月阅读原文

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

出自-2013年6月阅读原文

turn them into a major source of greenhouse gases

出自-2013年6月阅读原文

By 1973, domestic US sources of oil were peaking, and the nation was importing more of its oil, depending on a constant flow from abroad to keep cars on the road and machines running.

出自-2013年6月阅读原文

These included developing additional domestic sources (such as those on Alaska's North Slope), resuming extraction at sites that had been shut down because of cost inefficiency, capping the price that domestic producers could charge for oil, and beginning to import oil from a greater diversity of nations

出自-2013年6月阅读原文

Methane has become the chief source of greenhouse gas.

出自-2013年6月听力原文

They believe such a diet which includes no products from animal sources can be deficient in many of the necessary vitamins and minerals our bodies need.

出自-2013年6月听力原文

"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

Eat Grub is Britain's first new food company that breaks western food boundaries by introducing edible insects as a new source of food.

2019年12月六级真题（第二套）听力 Section B

In poor, dry regions, untreated waste water is the only viable irrigation source to keep farmers in business.

2016年6月六级真题（第二套）阅读 Section C

Pipitone believes that whole foods provide the best source of protein.

2019年12月六级真题（第二套）阅读 Section B

Plagued by long delays, perpetual mismanagement, and ever saw ring costs, the airport has become something of a joke among Germans and a source of frustration for local politicians, business leaders and residents alike.

2019年12月六级真题（第二套）听力 Section C

Sainz Breeze insist that such food is no joke and could be a new, sustainable source of protein.

2019年12月六级真题（第二套）听力 Section B

The bird Clark's nutcracker, for example, hides up to 100, 000 seeds per year, up to 30 kilometers away from the seed source, and has a very close symbiotic(共生的) relationship with several pine species, most 32 notably the whitebark pine.

2016年12月六级真题（第一套）阅读 Section A

The report found that although some king penguins may be able to relocate to new breeding grounds closer to their retreating food source, suitable new habitats would be scarce.

2019年12月六级真题（第三套）阅读 Section C

The whole fixture must be replaced — light source and luminaire — and this is never an inexpensive proposition.

2015年12月六级真题（第一套）阅读 Section B

There are some very commendable characteristics of the CFL (compact fluorescent light bulb), yet the selection of any light source remains inseparable from the luminaire that houses it, along with the space in which both arc installed, and lighting requir

2015年12月六级真题（第一套）阅读 Section B

According to Jennifer Debruyn, the next step of the study is to find out the source of the enzyme.

2018年高考英语北京卷 阅读理解 阅读C 题设

David Brooks, author of the Social Animal: the Hidden Sources of Love,Character, and Achievement, appears to be the latest in a long line of writers who have failed to resist the temptation.

2015年高考英语湖北卷 阅读理解 阅读E 原文

Deer and elk populations — major food sources for the wolf – grew rapidly.

2017年高考英语全国卷3 阅读理解 阅读C 原文

For many, finding an unattended wallet filled with ￡400 in cash would be a source of temptation.

2018年高考英语北京卷 完形填空 原文

From the very beginning of school, we make books and reading a constant source of possible failure and public humiliation.

2015年高考英语浙江卷 阅读理解 阅读A 原文

Instead, you can find some sources from the Internet and print the copies needed.

2015年高考英语湖南卷 短文填空 原文

It uses renewable materials as sources of food.

2018年高考英语天津卷 阅读理解 阅读C 选项

On september 11, 1933, famous physicist Ernest Rutherford stated, with confidence, "anyone who expects a source of power in the transformation of these atoms is talking moonshine."

2017年高考英语北京卷 阅读理解 阅读D 原文

Remember, however, that you should usually consult different types of sources.

2015年高考英语湖南卷 短文填空 原文

Sometimes even routine occurrences become sources of pre-anger, or anger itself.

2018年高考英语北京卷 阅读理解 七选五 原文

The emotional, physical and mental energy mothers devote to their children can be never-ending, but children are also sources of great joy and happiness.

2015年高考英语四川卷 阅读理解 阅读C 原文

The three letters present viewpoints on real source of road danger.

2015年高考英语湖南卷 阅读理解 阅读A 题设

Demand comes mainly from two sources: independent mom-and-pop grocery stores which, unlike large retail chains, are too small to buy straight from producers, and food service operators that cater to consumers when they don’t eat at home.

出自-2010年考研阅读原文

Even though the day-to-day experience of raising kids can be soul-crushingly hard, Senior writes that “the very things that in the moment dampen our moods can later be sources of intense gratification and delight.

出自-2011年考研阅读原文

Mental health is the source of creativity for solving problems, resolving conflict, making our surroundings more beautiful,managing our home life, or coming up with a creative business idea or invention to make our lives easier.

出自-2016年考研翻译原文

This type of integrity requires well-enforced laws in government transparency, such as records of official meetings, rules on lobbying, and information about each elected leader’s source of wealth.

出自-2017年考研阅读原文

The implication is that Millennials prefer news from the White House to be filtered through other source, Not a president's social media platform.

出自-2018年考研阅读原文

And where is the nearest water source?

2019年考研真题（英语一）完形填空 Section Ⅰ

During a separate observation, she saw that phones became a source of tension in the family.

2017年考研真题（英语二）阅读理解 Section Ⅱ

In a recent speech in Lowa, he dismissed wind power as an unreliable energy source.

2018年考研真题（英语二）阅读理解 Section Ⅱ

In many parts of the world renewable energy is already a principal energy source.

2018年考研真题（英语二）阅读理解 Section Ⅱ

This type of integrity requires well-enforced laws in government transparency, such as records of official meetings, rules on lobbying, and information about each elected leader's source of wealth.

2017年考研真题（英语一）阅读理解 Section Ⅱ