2. 外语
  3. The "so-called fight-or-flight response" (Line 2, Para.1) refers to " ______ ". From the studies conducted by LeDoux we learn t

The "so-called fight-or-flight response" (Line 2, Para.1) refers to " ______ ". From the studies conducted by LeDoux we learn t

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问题 The "so-called fight-or-flight response" (Line 2, Para.1) refers to " ______ ".
From the studies conducted by LeDoux we learn that ______.
选项 A、reactions of humans and animals to dangerous situations are often unpredictable
B、memories of significant events enable people to control fear and distress
C、people’s unpleasant memories are derived from. their feelings of fear
D、the amygdala plays a vital part in human and animal responses to potential danger
答案D
解析 本题考查细节，问“LeDoux 的研究表明了什么”。短文第二段分析了LeDoux 的研究，指出了扁桃核在回应潜在危险时的功能：“The amygdale receives input from many parts of the blain，...。appraises a situation ...”(扁桃核接受从大脑很多部位发出的信息，并根据情况做出评估)。在第三段又指出“This fear mechanism is critical to the survival of all animals，...”，即这种恐惧的机制对所有动物的生存起关键作用，此处的恐惧机制指的就是第二段提到的扁桃核的功能。因此，LeDoux 的研究说明了“扁桃核在人类和动物对潜在危险的回应中起着关键作用”，故选D项。A项“人类和动物对危险情况的反应通常不可预测”。文中没有涉及。B项“对重大事件的记忆能帮人们控制恐惧和紧张情绪”。短文在第二段中说到过去的事情能产生恐惧或紧张的情绪“These signals produce the familiar signs of distress...”，但没有提到记忆有利于控制这些情绪。C项“人们不愉快的情绪来自恐惧感”，逻辑关系颠倒。“These signals produce the familiar signs of distress...”， 说的是恐惧感会产生一些不快的情绪。
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大学英语六级

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