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

Modern techniques for producing and shipping food led to greater variety and quantity, including a tremendous increase in the amount of animal protein and dairy products available, making us more vigorous than our ancestorsYet plenty has been lost too, even in cultures that still live to eat.

出自-2016年6月阅读原文

As part of the Kids Live Well campaign-expected to be announced nationwide Wednesday—participating restaurants must promise to offer at least one children's meal that has fewer than 600 calories(卡路里), no soft drinks and at least two items from the following food groups: fruits, vegetables, whole grains, lean proteins or low-fat dairy.

出自-2012年12月听力原文

Eating a balanced breakfast helps to up our energy, as well as make up for protein and calcium used throughout the night.

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"I’ve seen very expensive protein supplements that claim to be high quality but they might not really be beneficial for the average healthy adult," she says.

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"The typical American diet is a lot higher in protein than a lot of us think," says registered dietitian Angela Pipitone.

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"You can get enough protein and meet the RDA before you even get to dinner," says Pipitone.

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Additional protein was found to help strengthen the muscles of overweight seniors seeking weight loss.

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After six months, researchers found the high protein group had significantly improved their muscle function一almost twice as much as the control group.

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Also, individuals recovering from surgery or an injury can also benefit from extra protein.

2019年12月六级真题（第二套）阅读 Section B

And, for someone always on-the-go who may not have time for a meal, a protein snack bar can be a good option for occasional meal replacement.

2019年12月六级真题（第二套）阅读 Section B

And, unlike nutrients that are found only in few foods, protein is present in all foods.

2019年12月六级真题（第二套）阅读 Section B

Another grass-fed booster spurring farmers to convert is EpiC, which makes meat-based protein bars.

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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.

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Bottom line, if you think you need more protein in your diet, consider these questions: Are you an extreme athlete; are you recovering from injury or surgery; or are you 60 years or older?

2019年12月六级真题（第二套）阅读 Section B

But do we really need all this supplemental protein?

2019年12月六级真题（第二套）阅读 Section B

But there are certain situations that do warrant extra protein.

2019年12月六级真题（第二套）阅读 Section B

Dehydration is also a risk when you eat too much protein.

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For starters, protein is critical for every cell in our body.

2019年12月六级真题（第二套）阅读 Section B

government's recommended daily allowanceRD for the average adult is 50 to 60 gram of protein a day.

2019年12月六级真题（第二套）阅读 Section B

If so, adding high protein foods like eggs and meat products to your diet can be beneficial?

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If you eat two eggs topped with a little bit of cheese and an orange on the side, you already have 22 grams of protein.

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In the meantime, 70-year-old Corliss Keith, who was in the high protein group in Starr's latest study, says the feels a big difference.

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It can also help you feel full longer than eating foods without protein.

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It is quite easy for one to take in the recommended amount of protein.

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Maple Hill signs a contract pledging to buy the farmer's milk at a guaranteed base price, plus quality premiums and incentives for higher protein, butter fat and other solids.

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No need to, says Pipitone, because, in fact, most of us already get enough protein in our diet.

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Older adults need to take in more protein to keep their muscles strong.

2019年12月六级真题（第二套）阅读 Section B

Or grab a protein bar at lunch or for a quick snack.

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Other researchers say too much protein can cause cramps, headaches, and fatigue.

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Participants in the study were separated into two groups—one group was asked to eat 30 grams of protein per meal in the form of whole foods.

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People are advised to drink more liquid when they take in more protein.

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

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Pipitone claims that healthy adults need not spend money on protein supplements.

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Pipitone says if you increase protein, you also have to increase your fluid intake.

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Protein can give them the edge they need to speed that process.

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Protein can speed the repairing of damaged muscles.

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Protein is found in more foods than people might realize.

2019年12月六级真题（第二套）阅读 Section B

Protein supplements may overburden some internal organ, thus leading to its malfunctioning.

2019年12月六级真题（第二套）阅读 Section B

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

So if ifs so easy to get your protein in food, why add more in the form of powders, snack bars or a boost at your local juice bar?

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So there could be less protein, more sugar and some additives you wouldn't expect, such as caffeine.

2019年12月六级真题（第二套）阅读 Section B

Starr recently conducted a small study that found that adding extra protein foods to the diet of obese older individuals who were trying to lose weight strengthened their muscles.

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That meant they were eating 90 grams of protein a day.

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The company boasts that its dried crickets contain more protein than beef, chicken, and pork, as well as minerals like iron and calcium.

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The marketing is tempting: Get stronger muscles and healthier bodies with minimal effort by adding protein powder to your morning shake or juice drink.

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The other group—the control group—was put on a typical low-calorie diet with about 50 to 60 grams of protein a day.

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The protein supplement business is found to be thriving.

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There have been some indications that extra protein makes the kidneys work harder, which could be problematic for individuals with a history of kidney disease and for them, the supplements may increase the risk of kidney stones, the says.

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Today, you can find protein supplements everywhere—online or at the pharmacy, grocery store or health food store.

2019年12月六级真题（第二套）阅读 Section B

Vegans can benefit from protein supplements since they do not eat animal-based protein sources like meat, dairy or eggs.

2019年12月六级真题（第二套）阅读 Section B

Of the common berries, strawberries are highest in Vitamin C, although, because of their seeds, raspberries contain a little more protein, iron and zinc not that fruits have much protein.

2018年高考英语全国卷2 阅读理解 阅读B 原文