共用题干 Daisy Williams admits genes play some role in the way she looks,but bel...

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问题共用题干 Daisy Williams admits genes play some role in the way she looks,but believes diet is an important factor."It doesn't matter how good the genes are if you don't eat properly and take care of your-self,"she says."If you want to look good,get plenty of rest,exercise every day,eat mostly raw fruits and vegetables and quit worrying."
Nowhere do the signs of aging manifest themselves more clearly than in the condition of the skin. When your weight fluctuates（波动）,the skin stretches with each up cycle , but it may not completely shrink back to its original size in the down cycle. As a result,the skin may sag（松弛下垂）.
Zinc and vitamin A are important for normal,healthy skin.Zinc helps the skin repair itself, and vitamin A aids in keeping skin supple,preventing dryness and helping shed dead cells.Good sources of zinc are beef,eggs and seafood,while many dark-green leafy vegetables are rich in beta carotene（胡萝卜素）, which the body converts to vitamin A.
Vitamin C helps improve the blood supply to the skin and aids in forming collagen（胶原）. Good sources of vitamin C include citrus fruits and juices,cauliflower,snow peas,red and green peppers,broccoli,white and sweet potatoes, tomatoes,watermelon,and honeydew melon.
How food is prepared matters too.The longer vegetables cook,the greater the loss of vitamins. Don't soak vegetables when washing them,since water-soluble vitamins such as C will be lost.
Good general nutrition is essential to maintaining a healthy,youthful appearance.And the key to good general nutrition is balance.Proteins should make up roughly 10 percent of your daily calorie intake;no more than 30 percent should come from fats;and the remaining calories should come mostly from complex carbohydrates（碳水化合物）.

选项 The passage primarily tells us how to lose weight so as to improve one's appearance. A:Right B:Wrong C:Not mentioned

答案 B

解析文章第一句说，黛西?威廉斯承认基因对她的相貌有一定的影响，但她认为饮食是一个重要因素。因此选项A是正确的。
文章第二段说，体重波动会导致皮肤松弛，而不是题目中所说的体重增加，因此该句不正确。
答案相关句在第三段最后一句："Good sources of zinc are beef, eggs and seafood...（锌的主要来源是牛肉、鸡蛋和海鲜······）"，而不是维生素A的，因此选B。
答案相关句在第三段最后："...while many dark-green leafy vegetables are rich in beta carotene, which the body converts to vitamin A.”因此该句正确。
答案相关句在第五段第二句：" The longer vegetables cook , the greater the loss of vitamins.”因此选B。
根据常识，该句似乎是正确的，但文章中并没有提到“In order to look younger, one should cut back on fats.”因此选C。
文章的主题是保持年轻皮肤的关键是营养平衡，而不是题中说的如何减肥。因此选择B。

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