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  3. At all ages and at all stages of life, fear presents a problem to almost everyone. "We are largely the playthings of our fears,"

At all ages and at all stages of life, fear presents a problem to almost everyone. "We are largely the playthings of our fears,"

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问题     At all ages and at all stages of life, fear presents a problem to almost everyone. "We are largely the playthings of our fears," wrote the British author Horace Walpole many years ago. "To one, fear of the dark; to another, of physical pain; to a third, of public ridicule; to a fourth, of poverty; to a fifth, of loneliness — for all of us our particular creature waits in a hidden place."
    Fear is often a useful emotion. When you become frightened, many physical changes occur within your body. Your heartbeat and responses quicken; your pupils expand to admit more light; large quantities of energy-producing adrenaline(肾上腺素)are poured into your bloodstream.
    Confronted with a fire or accident, fear can fuel life-saving flight. Similarly, when a danger is psychological rather than physical, fear can force you to take self-protective measures. It is only when fear is disproportional to the danger at hand that it becomes a problem.
    Some people are simply more vulnerable to fear than others. A visit to the newborn nursery of any large hospital will demonstrate that, from the moment of their births, a few fortunate infants respond calmly to sudden fear-producing situations such as a loudly slammed door. Yet a neighbor in the next bed may cry out with profound fright. From birth, he or she is more prone to learn fearful responses because he or she has inherited a tendency to be more sensitive.
    Further, psychologists know that our early experiences and relationships strongly shape and determine our later fears. A young man named Bill, for example, grew up with a father who regarded each adversity as a temporary obstacle to be overcome with imagination and courage. Using his father as a model, Bill came to welcome adventure and to trust his own ability to solve problem.
    Phil’s dad, however, spent most of his time trying to protect himself and his family. Afraid to risk the insecurity of a job change, he remained unhappy in one position. He avoided long vacations because "the car might break down". Growing up in such a home, Phil naturally learned to become fearful and tense.
Different responses of newborn infants to a loudly slammed door imply that______.
选项 A、some people are inherently more easily affected by danger.
B、people’s response to stimuli is not an inherited feature
C、some people seem to be very sensitive to noise.
D、people sometimes seem to turn a deaf ear to noise.
答案A
解析 根据文章第三段最后一句“From birth，he or she is more prone to learn fearful responses because heor she has inherited a tendency to be more sensitive．”可知，由于遗传了较为敏感的倾向性，有些婴儿生来就更易于学习面临恐惧的逃避反应。这是本段作者叙述不同的婴儿对突然情景产生不同的恐惧反应的意图所在，也就是说，恐惧反应带有遗传性。据此判断，答案是A。
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