12．Does happiness have a scent？
When someone is happy，can you smell it？
You can usually tell when someone is happy based on seeing them smile，hearing them laugh or perhaps from receiving a big hug．But can you also smell their happiness？Surprising new research suggests that happiness does indeed have a scent，and that the experience of happiness can be transmitted through smell，reports Phys．org．
For the study，12young men were shown videos meant to bring about a variety of emotions while researchers gathered sweat samples from them．All of the men were healthy and none of them were drug users or smokers，and all were asked to abstain from drinking or eating smelly foods during the study period．
Those sweat samples were then given to 36equally healthy young women to smell，while researchers monitored their reactions．Only women were selected to smell the samples，apparently because previous research has shown that women have a better sense of smell than men and are also more sensitive to emotional signaling-though it's unclear why only men were chosen to produce the scents．
Researchers found that the behavior of the women after smelling the scents-particularly their facial expressions-indicated a relationship between the emotional states of the men who produced the sweat and the women who sniffed them．
"Human sweat produced when a person is happy brings about a state similar to happiness in somebody who breathes this smell，"said study co-author Gun Semin，a professor at Koc University in Turkey．
This is a fascinating finding because it not only means that happiness does have a scent，but that the scent is capable of transmitting the emotion to others．The study also found that other emotions，such as fear，seem to carry a scent too．This ensures previous research suggesting that some negative emotions have a smell，but it is the first time this has proved to be true of positive feelings．
Researchers have yet to isolate（分离） exactly what the chemical compound for the happiness smell is，but you might imagine what the potential applications for such a finding could be．Happiness perfumes，for instance，could be invented．Scent therapies（香味疗法）could also be developed to help people through depression or anxiety．
Perhaps the most surprising result of the study，however，is our broadened understanding of how emotions get communicated，and also how our own emotions are potentially managed through our social context and the emotional states of those around us．
28．What is the main finding of the new research？A
A．Pleasant feelings can be smelt out．
B．Negative emotions have a smell．
C．Men produce more sweats．
D．Women have a better sense of smell．
29．The underlined part"abstain from"in Paragraph 3probably meansB．
A．try
B．avoid
C．continue
D．practice
30．What is the application value of the new research？D
A．Perfumes could help people understand each other．
B．Some smells could be created to improve our appearance．
C．Perfumes could be produced to cure physical diseases．
D．Some smells could be developed to better our mood．
31．We can learn from the last paragraph thatB．
A．happiness comes from a scent of sweat
B．social surroundings can influence our emotions
C．people need more emotional communication
D．positive energy can deepen understanding．
分析 本文属于说明文阅读，作者通过这篇文章向我们介绍了一个关于幸福是否有气味的调查，新的研究表明，幸福确实有一种气味，研究人员也在寻找这一研究的潜在的应用可能．
解答 28．A 细节理解题，根据第二段Surprising new research suggests that happiness does indeed have a scent，and that the experience of happiness can be transmitted through smell，reports Phys．org．可知最新的研究表明愉快的感觉是可以闻到的，故选A．
29．B 词义猜测题，根据第三段All of the men were healthy and none of them were drug users or smokers，and all were asked to abstain from drinking or eating smelly foods during the study period．可知参与研究的人都是健康的，在研究期间，所有的人都被要求戒酒或吃有异味的食物，故选B．
30．D 推理判断题，根据倒数第二段Scent therapies （香味疗法） could also be developed to help people through depression or anxiety．可知这个新研究可以帮助开发一些气味来改变我们的心情，故选D．
31．B 推理判断题，根据最后一段Perhaps the most surprising result of the study，however，is our broadened understanding of how emotions get communicated，and also how our own emotions are potentially managed through our social context and the emotional states of those around us．可知不同的社会环境会影响我们的情绪，故选B．
点评 本文是一个社会文化类阅读，题目涉及多道细节理解题，做题时结合原文和题目有针对性的找出相关语句进行仔细分析，结合选项选出正确答案．推理判断题也是要在抓住关键句子的基础上合理的分析才能得出正确答案，切忌胡乱猜测，一定要做到有理有据．
