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  3. When did you last see a polar bear? On a

When did you last see a polar bear? On a

练习题库2022-08-02  18
问题 When did you last see a polar bear? On a trip to a zoo, perhaps? If you had attended a winter activity in New York a few years ago, you would have seen a whole polar bear club. These " Polar Bears" are people who meet frequently in winter to swim in freezing cold water. That day, the air temperature was 3℃, and the water temperature was a bit higher. The members of the Polar Bear Club at Coney Island, New York are usually about the age of 60. Members must satisfy two require-ments. First, they must get along well with everyone else in the group. This is very important because there are so many different kinds of people in the club. Polar Bears must also agree to swim outdoors at least twice a month from November through February. Doctors do not agree about the medical effects of cold-water swimming. Some are worried about the dangers of a condition in which the body′ s temperature drops so low that finally the heart stops. Other doctors, however, point out that there is more danger of a heart attack during summer swimming because the difference between the air temperature and water temperature is much greater in summer than in winter. The Polar Bears themselves are satisfied with the benefits (or advantages)of cold-water swim-ming. They say that their favorite form of exercise is very good for the circulatory system(循环系统)because it forces the blood to move fast to keep the body warm. Cold-water swimmers usually turn bright red after a few minutes in the water. A person who turns blue probably has a very poor circula-tory system and should not try cold-water swimming. The main benefits ( or advantages) of cold-water swimming are probably mental. The Polar Bears love to swim year-round; they find it fun and relaxing. As one 70-year-old woman says, "When I go into the water, I pour my troubles into the ocean and let them float away. " The Polar Bears like to swim all the year round, for .A.they can remain youngB.it is an easy way to keep the body warm in winterC.they find it enjoyable and interestingD.they might meet fewer troubles in life
选项 A.they can remain young
B.it is an easy way to keep the body warm in winter
C.they find it enjoyable and interesting
D.they might meet fewer troubles in life
答案 C
解析 从第四段第二句可知，冬泳爱好者一年四季都游泳，这样他们感到快乐和轻松。
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