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What is the main idea of the passage?
What is the main idea of the passage?
admin
2013-05-31
34
问题
What is the main idea of the passage?
New studies say that eating chocolate may be good for your heart. Research shows that eating chocolate may reduce the chance of developing heart disease by helping blood vessels remain clear and open. Chocolate is produced from beans that contain large amounts of natural substances called flavonoids. Flavonoids have been shown to protect the heart and the blood vessels from being damaged. Recent studies have linked foods that contain flavonoid with a reduced chance of developing heart disease. These foods include tea, red wine, apples, peanuts and chocolate.
The flavonoids in chocolate are more powerful than some vitamins in limiting the damage from fats in the blood. The flavonoid in chocolate also could stop damage to blood vessel walls. Researchers also carried out studies about flavonoid. The studies showed that foods high in flavonoid might help stop thickening of the blood that can lead to heart attacks or strokes.
Researchers gave water, cocoa or nonalcoholic red wine to groups of ten men and women. Researchers tested their blood a few hours later. Both the wine and cocoa delayed the time it took for the blood to become solid. Some of the studies about chocolate are paid for by the Mars company which makes many kinds of chocolate candy. All the researchers agreed that many more studies are needed to confirm their findings.
选项
A、Flavonoids can increase fats in the blood.
B、Flavonoids can protect the heart from damage.
C、Flavonoids can lead to heart attacks or strokes.
D、Flavonoids can quicken the thickening of the blood.
答案
B
解析
细节题。“Flavonoids have been shown to protect the heart and the blood vessels from damage.”巧克力里面含有类黄酮的物质,所以能够保护心脏和血管。
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0
专业英语四级
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