2. 考研
  3. [A] Nutrition highlights [B] Types of berries [C] Body benefits [D] Shopping and storage tips [E] Fuel for the brain [F] Evidenc

[A] Nutrition highlights [B] Types of berries [C] Body benefits [D] Shopping and storage tips [E] Fuel for the brain [F] Evidenc

admin2022-02-15  68
问题 [A] Nutrition highlights
[B] Types of berries
[C] Body benefits
[D] Shopping and storage tips
[E] Fuel for the brain
[F] Evidence from researches
[G] Ways of consuming berries
Of all the luscious, healthy fruits in season now, fresh berries may be the cream of the crop. They are top sources of vitamins, minerals and disease-fighting nutrients that can help reduce the risk of several age-related conditions. Yet they are also highly perishable and often expensive. Here’s why you should be buying and eating berries often, plus shopping and storage tips to lower their cost and make them last longer at home.
【C1】___________________
Among their many nutritional benefits, berries provide potassium, magnesium, vitamins C and K, and fiber. They’re low in calories and relatively low in natural sugars, and they contain prebiotics—carbohydrates that help feed healthy gut bacteria.
Many of their benefits are attributable to anthocyanins (compounds that give many fruits and vegetables their red, purple and blue colors) . Eating blueberries, a rich source, three times a week may help lower the risk of Type 2 diabetes, according to a 2013 study in the journal BMJ.
Blueberries and strawberries are heart-healthy, too. On average, people who eat more berries seem to live a little bit longer.
【C2】______________________
According to a study of more than 90,000 women published in the journal Circulation, people who ate these berries more than three times a week vs. once a month or less over an 18-year period had a 34 percent lower risk of heart attack. And in a 2019 American Journal of Clinical Nutrition study, eating the equivalent of a cup of blueberries a day for six months improved heart-health measures in overweight and obese adults with metabolic syndrome. Regularly eating blueberries has also been shown to help lower systolic blood pressure.
【C3】_______________________
Blueberries, strawberries and raspberries are also powerful foods for learning and memory, says Barbara Shukitt-Hale, a neuroscientist at the Jean Mayer USD A Human Nutrition Research Center on Aging. According to  a 20-year  Harvard  study of women 70  and older, eating blueberries at least once a week or strawberries at least twice a week may delay cognitive aging by up to two-and-a-half years. And older men and women who ate the equivalent of one cup of fresh blueberries every day for three months did better on learning and memory tests than those who were given a placebo.
【C4】________________________
Locally grown berries are the freshest, so look for them at your farmers market or supermarket. Plus, the price is best when berries are in season and most abundant in your area.
If there are two-for-one sales, consider buying extras to freeze for year-round use. "Freezing doesn’t destroy any of the compounds—in fact, it may preserve some," Shukitt-Hale says.
To help fresh berries last longer at home, store them in a covered container in your refrigerator and don’t rinse them until you’re ready to eat them.
【C5】________________________
Blackberries have the most potassium (233 milligrams per cup) and almost as much fiber as raspberries. Blueberries have compounds that help generate new nerve cells in the brain and increase their communication. Raspberries have the highest amount of fiber—8 grams per cup—of any of these berries. Strawberries are rich in vitamin C: about 85 mg per cup. (The daily need for men is 90 mg; for women, 75 mg. )
【C1】
选项
答案[C]
解析 本题之后提到的many nutritional benefits“许多营养益处”、Many of their benefits“它们的许多好处”都是选项[C]中benefits“益处”的原词复现；另外后文提到的“Eating blueberries，a rich source，three times a week may help lower the risk of Type 2diabetes”“每周吃3次蓝莓可能有助于降低患2型糖尿病的风险”，“Blueberries and strawberries are heart-healthy，too”“蓝莓和草莓也有益于心脏健康”都是选项[C]Body benefits“身体的好处”的具体表现，故本题选择选项[C]。
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