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  3. An Interesting Phenomenon Animals seem to have the sense to eat when they are hungry and they do not eat more than their bod

An Interesting Phenomenon Animals seem to have the sense to eat when they are hungry and they do not eat more than their bod

admin2012-07-30  53
问题                       An Interesting Phenomenon
    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 seems 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 文章第二段最后一句话说：Babies managed to select well-balanced diet．“婴儿总能选择合理饮食。”第三段的第一句话说：So，in selecting food，rats and babies do seem to know and act on what’s best for them．“所以，在选择食物方面，老鼠和婴儿似乎确实知道而且选择最适合自己的东西。”据此可以知道：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。只有A项最符合题意。
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