【单选题】
{{B}}Passage One{{/B}}
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 (肾上激素) are poured into your bloodstream.Confronted with a fire or accident, fear can fuel life-saving flight (逃离). 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 namedBill, 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.
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
网考网参考答案：A
网考网解析：
第三段第一句话指出：有些人对恐惧表现得就是比其他人更脆弱。接下来以新生儿对砰砰的关门声做出的反应为例加以说明。最后总结：有的人天生更敏感，更易于做出恐惧反应，故选A项。B项和D项对文章理解错误。C项只是对实例的表面总结，没有指出根源。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>
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