When we speak of a basic human need, we mean something which is necessary to life, something that we cannot possibly do without.

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问题     When we speak of a basic human need, we mean something which is necessary to life, something that we cannot possibly do without.【R1】______Without it we would starve to death. But even if we have plenty of food, but of the wrong kind, our bodies will suffer from a lack of the right food. This is known as malnutrition.
    In primitive countries, man’s food needs are the same as in the more advanced societies like our own.【R2】______Primitive people eat only the foods which can be grown near their homes, whereas we eat foods which are often grown many thousands of miles away from our homes. Primitive people are satisfied with less variety than we are.【R3】______Just think of the different types of meat we eat: beef, mutton, pork, chicken, turkey, goose, and rabbit. We could manage on a diet of one kind of meat, but how monotonous it would become! Even turkey, which most of us eat only at Christmas, would become monotonous if we ate it every day.【R4】______We need other foods like bread and fruit to provide us with the other essential nutrients which we need to keep our bodies healthy.
    We agree with primitive man that food is a basic need, but we differ from him in our food wants because of the wide variety of food we have available compared with him.【R5】______Take fruit, for example, not only we enjoy the fruits grown in this country, but because of modern methods of transport and food preservation, we can also enjoy the more exotic fruits from countries thousands of miles away, whereas primitive man is limited in his choice to kinds of fruit which actually grow where he lives.
   【R6】______Clothing is necessary to regulate the heat of our bodies. Since we live in a temperate climate we need more clothes than people living in tropical countries, but less than people living in arctic conditions. Likewise, our clothing needs to change with the season. 【R7】______
    Shelter, the third of our needs, depends upon the climate, the skill of the builder, one’s social position and the materials available.【R8】______The three-bedroomed suburban house of the average family would not be grand enough for a very rich family, and yet the modern house contains many of the material comforts which were denied to the kings and queens of old.
    A. Yet we cannot live on meat alone.
    B. In summer we need light clothing while in winter we need to muffle ourselves to keep warm.
    C. We all need food and could manage to live a healthy life on limited types of food.
    D. Food is a basic human need.
    E. The simple shelter of the aboriginal would not do for us, and yet it satisfies their needs.
    F. We have a wider choice than them.
    G. The same is true of the second of our human needs.
    H. Therefore we can say that although their needs are like those of our own, their wants are different.
【R4】

选项

答案A

解析 空格前说了我们需要各种不同的肉食来满足我们的要求。空格后却笔锋一转,谈起了水果、面包等其他食物。所以此处需要一个承上启下的句子。A选项:“然而我们却不能只靠肉食来生活。”使上下文意思连贯,非常符合题意。
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