How Human’ s Personalities and Behaviors Are Formed 1 People have wondered for a long time how their personalities and behav

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问题                 How Human’ s Personalities and Behaviors Are Formed
    1 People have wondered for a long time how their personalities and behaviors are formed. It is not easy to explain why one person is intelligent and another is not, or why one is cooperative and another is competitive.
    2 Social scientists are, of course, extremely interested in these types of questions. They want to explain why we possess certain characteristics and exhibit certain behaviors. There are no clear answers yet, but two distinct schools of thought on the matter have developed. As one might expect, the two approaches are very different from each other. The controversy is often conveniently referred to as "nature vs. nurture".
    3 Those who support the " nature" side of the conflict believe that our personalities and behavior patterns are largely determined by biological factors. That our environment has little, if anything, to do with our abilities, characteristics and behaviors is central to this theory. Taken to an extreme, this theory maintains that our behavior is pre-determined to such a great degree that we are almost completely governed by our instincts.
    4 Those who support the "nurture" theory, that is, they advocate education, are often called behaviorists. They claim that our environment is more important than our biologically based instincts in determining how we will act. A behaviorist, B. F. Skinner, sees humans as beings whose behavior is almost completely shaped by their surroundings. The behaviorists maintain that, like machines, humans respond to environmental stimuli as the basis of their behavior.
    5 Let us examine the different explanations about one human characteristic , intelligence, offered by the two theories. Supporters of the "nature" theory insist that we are born with a certain capacity for learning that is biologically determined. Needless to say, they don’ t believe that factors in the environment have much influence on what is basically a predetermined characteristic. On the other hand, behaviorists argue that our intelligence levels are the product of our experiences. Behaviorists suggest that the child who is raised in an environment where there are many stimuli which develop his or her capacity for appropriate responses will experience greater intellectual development.
A. Environment Is Important
B. Two Approaches Different From Each Other Are Formed
C. People Want to Know How Their Personalities and Behaviors Are Formed
D. Our Personalities and Behavior Patterns Are Largely Determined by Biological Factors
E. We Want to Explain the Behaviors
F. Two Similar Approaches Are Formed
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选项

答案D

解析 文章第三段讲述的是支持“天性论”的社会科学家认为,我们的性格特征和行为方式在很大程度上是由生物因素决定的。故选D。
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