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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 adrenalins (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 problems.
    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.
Fear can be a useful emotion to us because it can______.
选项 A、stimulate many physical changes within our body
B、quicken our heartbeat and responses
C、pour large quantities of adrenaline into our bloodstream
D、help us respond quickly to danger and protect ourselves
答案D
解析 文章第二段首句指出恐惧感是一种有益的情感，接下来进行具体说明，当你害怕时……你的心跳和反应加快……恐惧可以刺激为求生而逃离……恐惧可以迫使你采取自我保护的措施……，D)“帮助我们对危险做出快速反应，保护我们自己”正是对此的同义转述，故为答案。A)、B)、C)均为恐惧导致的生理上的反应，这只是恐惧产生作用的一个方面，起不到概括说明的作用，故排除。
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