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A New Study Says Your Stress Can Spread to Your Dog Research shows that most dog owners find their pets to be great str

admin2021-06-15  3
问题                                                   A New Study Says Your Stress Can Spread to Your Dog
         Research shows that most dog owners find their pets to be great stress busters. Curling up on the couch with your pug or playing catch with your labradoodle is a great way to unwind and let the cares of the day slip away. New science has some bad news for dog owners. Dogs might ease your stress, but they can also catch it.
         It’s an old joke that dogs resemble their owners, but according to this new study out of Linkǒ ping University in Sweden, it’s actually true in one less funny way: Stressed out owners have stressed out dogs.
         To figure this out, the researchers took hair samples from 25 border collies and 33 Shetland sheepdogs, as well as their female owners. For both humans and dogs, hair records the level of the stress hormone Cortisol in the body over time. So by analyzing these hairs, the team could figure out just how much stress both the owners and their pets were under long-term.
         The study found the stress levels of the dogs and their owners matched up: Higher levels of stress among owners showed up as higher levels of stress in their dogs. The effect was even more pronounced if the dog was female or if it took part in agility competitions with its owner.
         Previous research has found that Cortisol in humans and their dogs can rise together in the short-term, especially when competing. But this finding was something new. "This is the first time we’ve seen a long-term synchronization in stress levels between members of two different species. We haven’t seen this between humans and dogs before," lead researcher Lina Roth told The Guardian.
What makes this study different from previous research which also saw Cortisol synchronization in humans and their dogs?
选项 A、The influence of the owner’s character on the pet.
B、Number of subjects studied.
C、The duration of time.
D、People’s lifestyle.
答案C
解析 细节题。题干：之前的研究也在人类和他们的狗身上发现了皮质醇同步现象，这项研究与之前的研究有什么不同?根据题干信息，定位到文章最后一段“Previous research has found that cortisol in humans and their dogs can rise together in the short-term，especially when competing. But this finding was something new.‘This is the first time we’ve seen a long -term synchronization in stress levels between members of two different species. We haven’t seen this between humans and dogs before，’”由此可知，之前的研究发现主人和狗的皮质醇水平可以在短期内同步上升，而最新的研究发现其皮质醇水平的同步可以是长期的。因此两个研究的差异在于皮质醇水平同步的持续时间，即C项“持续时间”。A项“主人性格对宠物的影响”，B项“研究对象的数量”，D项“人们的生活方式”，均未在文中进行对比。故本题选C。
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