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    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 shown that rats will, when given a choice over a period of time, prefer water with vitamins(维生素) to water without vitamins, even though there is no difference in taste or smell between the two water bottles. When a sweet smell was added to the vitamins-enriched water, the rats did seem to develop a taste for it and kept drinking it, even after the vitamins were changed to the clear water. In time(最后), however, they broke the habit and went back to where the necessary vitamins were.
    In experiments, babies of 6 to 12 months old were placed in a room with many choices 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 habits, but over a period of time they managed to choose a well-balanced diet.
    So in choosing food, rats and babies do seem to know what's best for them. Clearly, 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 old habits. Some people eat foxes, dogs 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 around them.
    小题1: In the experiment on rats, a sweet smell was added to the rats’ drinking water to ________ .   
    A．encourage rats to drink vitamins-enriched water
    B．test whether rats know which drink is good for them
    C．find out rats’ preference in flavor(口味)
    D．show the vitamins are tasteless
    小题2:Talking about eating habits, babies and rats are just like each other because ________ .
    A．both have the wisdom to choose a balanced diet
    B．both prefer flavored food and drink
    C．both have the same eating habits
    D．both develop a taste for the same kinds of food
    小题3:In the experiment mentioned in the second paragraph, babies were ________ .
    A．given many choices of drinks
    B．placed and fed in a hospital
    C．given all kinds of baby food
    D．trained to select a balanced diet
    小题4:Grown-up people’s eating habits differ from those of babies because ________ .
    A．they know better than babies what kinds of food are good for their health
    B．they usually cannot say no to all kinds of delicious foods
    C．their eating habits have much to do with the social and cultural customs
    D．they have more choices of food than babies in eating patterns

    小题1:B
    小题2:A
    小题3:C
    小题4:C

    试题分析：文章介绍孩子和老鼠在挑选食物方面是相似的，因为它们都有选择均衡饮食的智慧，但是成年人的饮食习惯是受社会文化风俗的影响。
    小题1:推理题：从第一段的句子：when given a choice over a period of time, prefer water with vitamins(维生素) to water without vitamins, even though there is no difference in taste or smell between the two water bottles 可知这个实验是研究老鼠是否能够选择对它们有好处的饮料，选B
    小题2:细节题：从第三段的句子：So in choosing food, rats and babies do seem to know what's best for them. Clearly, there is a kind of “body wisdom”, 可知孩子和老鼠在挑选食物方面是相似的，因为它们都有选择均衡饮食的智慧，选A
    小题3:细节题：从第二段的句子：In experiments, babies of 6 to 12 months old were placed in a room with many choices of baby food before them. They were given whatever food they pointed to or appeared interested in. 可知在实验中，婴儿被给与了各种各样的婴儿食物，选C
    小题4:推理题：从最后一段的句子：Clearly, 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 old habits. 可知成年人的饮食习惯是受社会文化风俗的影响。选C
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    科目：高中英语 来源：不详 题型：阅读理解

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