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  3. Animals seem to have the sense to eat when they are hungry and they do not eat more than their bodies need. It has been demonstr

Animals seem to have the sense to eat when they are hungry and they do not eat more than their bodies need. It has been demonstr

admin2017-03-25  56
问题     Animals seem to have the sense to eat when they are hungry and they do not eat more than their bodies need. It has been demonstrated that rats will, when given a choice over a period of time , prefer water with vitamins to water without vitamins even though there is no difference in taste or smell between the two water bottles. When a fragrant flavor was added to the vitamin enriched fluid, the rats did seem to develop a taste for it and kept drinking it, even after the vitamins were switched to the clear water. In time, however, they broke the habit and went back to where the necessary vitamins were.
    In a classic experiment, babies of 6 to 12 months old were placed in a cafeteria feeding arrangement, with a wide selection of baby food before them. They were given whatever food they pointed to or appeared interested in. We are told that at first they showed some unusual eating patterns, but that over a period of time they managed to select well-balanced diet.
    So, in selecting food, rats and babies do seem to know and act on what’s best for them. Apparently, there is a kind of" body wisdom" , which humans soon lose. Most of us do not eat as wisely as we could. Many of our food preferences are culturally determined and influenced by long-established habits. Some people eat fox, dog and blackbirds, while we eat cows and pigs. So what people eat and how much they eat seem to be greatly influenced by what is going on around them.
As far as their eating habits are concerned, babies and rats are similar in that( ).
选项 A、both have the wisdom to choose a balanced diet
B、both prefer flavored food and drink
C、both have the same eating patterns
D、both develop a taste for the same kinds of flavors
答案A
解析 细节题。由文章第二段的最后一句话：“Babies managed to select well-balanced diet．”和第三段的第一句话：“So，in selecting food，rats and babies do seem to know and act on what’s best for them．Apparently，there is a kind of‘body wisdom’which humans soon lose．”因此可以推断：“婴儿和老鼠饮食习惯的相同点在于他们都会选择合理的饮食。”因此只有A最符合题意。
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