More than 2 million Americans are affected by atria fibrillation, a chronic (慢性的) condition that causes shortness of breath and an inability to exercise.

　　US scientists have found that a mixture that makes red wine a healthy drink may also hold the secret to a longer life. They say antioxidant (抗氧化剂) in wine acted on fruit flies and worms in the same way as a method known to extend the life of many animals, which is by sharply limiting how much they eat.CRIENGLISH.com reported Thursday.

　　56. Which of the following statements is true ?

　　A. Researchers think that certain vegetables can keep women’s minds sharp

　　B. Those who eat more fish per week may have higher risks of heart disorders

　　C. those who ate fish one to four times per week had a about 35 percent lower risk compared with those who ate fish less than once a month.

　　D. There’re no disadvantages in limiting calories in animals

　　57.The underlined word “disorders.” has the same meaning as _______.

　　A. in good order

　　B. out of order

　　C. in good state

　　D. in good condition

　　58.Atria fibrillation can cause________.

　　A.

　　poor memories

　　B. fatness

　　C. shortness of breath

　　D. mental problems

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