Joy and sadness are experienced by people in all cultures around the world, but how can we tell when other people are happy or d

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问题     Joy and sadness are experienced by people in all cultures around the world, but how can we tell when other people are happy or despondent? It turns out that the expression of many emotions may be universal. Smiling is apparently a universal sign of friendliness and approval. Baring the teeth in a hostile way, as noted by Charles Darwin in the nineteenth century, may be a universal sign of anger. As the originator of the theory of evolution, Darwin believed that the universal recognition of facial expressions would have survival value. For example, facial expressions could signal the approach of enemies(or friends)in the absence of language.
    Most investigators concur that certain facial expressions suggest the same emotions in all people. Moreover, people in diverse cultures recognize the emotions manifested by the facial expressions. In classic research Paul Ekman took photographs of people exhibiting the emotions of anger, disgust, fear, happiness, and sadness. He then asked people around the world to indicate what emotions were being depicted in them. Those queried ranged from European college students to members of the Fore, a tribe that dwells in the New Guinea highlands. All groups, including the Fore, who had almost no contact with Western culture, agreed on the portrayed emotions.(43)The Fore also displayed familiar facial expressions when asked how they would respond if they were the characters in stories that called for basic emotional responses. Ekman and his colleagues more recently obtained similar results in a study of ten cultures in which participants were permitted to report that multiple emotions were shown by facial expressions. The participants generally agreed on which two emotions were being shown and which emotion was more intense.
    Psychological researchers generally recognize that facial expressions reflect emotional states. In fact, various emotional states give rise to certain patterns of electrical activity in the facial muscles and in the brain. The facial-feedback hypothesis argues, however, that the causal relationship between emotions and facial expressions can also—work in the opposite direction. According to this hypothesis, signals from the facial muscles("feedback")are sent back to emotion centers of the brain, and so a person’s facial expression influence that person’s emotional state. Consider Darwin’s words: "The free expression by outward signs of an emotion intensifies it. " On the other hand, the repression, as far as possible, of all outward signs softens our emotions. Can smiling give rise to feelings of good will, for example, and frowning to anger?
    Psychological research has given rise to some interesting findings concerning the facial-feedback hypothesis. Causing participants in experiments to smile, for example, leads them to report more positive feelings and to rate cartoons(humorous drawings of people or situations)as being more humorous. When they are caused to frown, they rate cartoons as being more aggressive.
    Ekman’s observation may be relevant to the British expression "keep a stiff upper lip" as a recommendation for handling stress. It might be that a " stiff" lip suppresses emotional response — as long as the lip is not quivering with fear or tension. But when the emotion that leads to stiffening the lip is more intense, and involves strong muscle tension, facial feedback may heighten emotional response.
Which of the sentences below best expresses the essential information in the highlighted sentence in the second paragraph?

选项 A、The Fore were asked to display familiar facial expressions when they told their stories.
B、The Fore exhibited the same relationship of facial expressions and basic emotions that is seen in Western culture when they acted out stories.
C、The Fore’s facial expressions indicated their unwillingness to pretend to be story characters.
D、The Fore were familiar with the facial expressions and basic emotions characters in stories.

答案B

解析 细节题。联系上下文意可知划线处的意思是指:当佛尔人处于这些会引发最基本的情感反应的相同的境况时,他们也会做出相似的面部表情。文章意图由此说明,某些面部表情具有普适意义。B选项符合文意。
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