GRE考试

【单选题】Are responses to odors acquired as a function of the emotional context in which they are initially perceived Researchers recently conducted a study in which a novel odor was paired with either a positive or negative emotional experience. Ratings associated with the test odor varied in accordance with the paired emotion, such that the odor was perceived as either congenial or noisome, depending upon the quality of paired experience the participant haD、　　Olfactory sensory attributes may produce an unlearned impact when odors are irritating; in these cases discomfort is experienced simultaneously to odor sensation, an event occurring when stimulation of the trigeminal nerve occurs coterminous with olfactory sensation. Many odors elicit trigeminal stimulation to varying degrees, so that the subjective distinction between pure odor and trigeminal irritation is not possible to make, though scientists have precipitously ventured to suggest methods. While these cases may help explain why one may be immediately repelled by a certain scent, they unfortunately do not allow most scientists to establish which smells trigger innate reactions.It can be inferred from the passage that "most scientists" assume which of the following concerning "innate reactions" ( line 15)
A、Innate reactions to smells do not include the stimulation of the trigeminal nerve per say.
B．Only smells which have not previously been paired with emotional experiences trigger innate reaction.
C．Irritating smells are the only ones which are considered likely to produce innate, or unlearned, reactions.
D．Most subjects can distinguish between pure odor sensation and trigeminal nerve sensation enough to determine which reactions are innate.
E．Innate reactions are produced when the trigeminal nerve catalyzes an emotional experience.

网考网参考答案：A
网考网解析：
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