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  3. Researchers have found experimental evidence that a touch can be worth a thousand words. Matthew J. Hertenstein, a professor of

Researchers have found experimental evidence that a touch can be worth a thousand words. Matthew J. Hertenstein, a professor of

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问题     Researchers have found experimental evidence that a touch can be worth a thousand words. Matthew J. Hertenstein, a professor of psychology at DePauw University,【C1】______ 248 students, each to touch or be touched by a(n) 【C2】______previously unknown to them to try to【C3】______a specific emotion.
    The person touched was blindfolded and【C4】______ of the sex of the toucher, who was instructed to try to convey one emotion. The touchers were instructed to touch any【C5】______ part of the body. Afterward, each person touched was given a list of emotions and told to pick the one conveyed. Accurate understanding【C6】______ from 50 percent to 78 percent, much higher than the【C7】______seen in studies of verbal and facial emotion.
    The researchers also recorded a complex【C8】______of touch—a shake, a rub, a pat or a squeeze, changing rates at which the fingers moved【C9】______ the skin, and differences in the【C10】______ and location of the contact. Participants 【C11】______chose certain kinds of touch to convey specific emotions. They often expressed fear, for example, by holding and squeezing【C12】______no movement.
    Men and women were equally 【C13】______ at interpreting touch but used different actions to communicate emotions. Men rarely touched anyone’s face.【C14】______, women touched faces
frequently to express anger and disgust to both【C15】______.
    Dr. Hertenstein said, " These findings have strong(16)____ for the power of touch. Most touches were only about five seconds, but in these 【C17】______moments, we’re capable of communicating distinct emotions, just 【C18】______we are with the face. This is a sophisticated【C19】______ system that we haven’t previously known about. " He also acknowledged that their data were limited to a(n)【C20】______ of young Americans.
【C20】
选项 A、sample
B、class
C、adolescent
D、group
答案A
解析 名词辨析题。句意为：他承认他们的数据来源仅限于美国年轻人的样本。由于原句讨论的是实验数据问题，所以[A]sample“样本”更为合适。[B]class“阶层”；[C]adolescent“青少年”；[D]group“群，类”。
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