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  3. Could a hug a day keep the doctor away? The answer may be a resounding "yes！"【B1】______helping you feel close and【B2】______to pe

Could a hug a day keep the doctor away? The answer may be a resounding "yes！"【B1】______helping you feel close and【B2】______to pe

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问题     Could a hug a day keep the doctor away? The answer may be a resounding "yes！"【B1】______helping you feel close and【B2】______to people you care about, it turns out that hugs can bring a【B3】______of health benefits to your body and mind. Believe it or not, a warm embrace might even help you【B4】______getting sick this winter.
    In a recent study【B5】______over 400 healthy adults, researchers from Carnegie Mellon University in Pennsylvania examined the effects of perceived social support and the receipt of hugs【B6】______the participants’ susceptibility to developing the common cold after being【B7】______to the virus. People who perceived greater social support were less likely to come【B8】______with a cold, and the researchers【B9】______that the stress-reducing effects of hugging【B10】______about 32 percent of that beneficial effect.【B11】______among those who got a cold, the ones who felt greater social support and received more frequent hugs had less severe【B12】______.
    "Hugging protects people who are under stress from the【B13】______risk for colds that’ s usually【B14】______with stress," notes Sheldon Cohen, a professor of psychology at Carnegie. Hugging "is a marker of intimacy and helps【B15】______the feeling that others are there to help【B16】______difficulty."
    Some experts【B17】______the stress-reducing, health-related benefits of hugging to the release of oxytocin, often called "the bonding hormone"【B18】______it promotes attachment in relationships, including that between mothers and their newborn babies. Oxytocin is made primarily in the central lower part of the brain, and some of it is released into the bloodstream. But some of it【B19】______in the brain, where it【B20】______mood, behavior and physiology.
【B18】
选项 A、unless
B、because
C、though
D、until
答案B
解析 考查逻辑关系。本句句意为“一些专家将拥抱的降压及与健康相关的好处归因于催生素的释放，其经常被称作‘结合激素’______，它推动依恋关系，包括妈妈和她的新生儿之间的关系”。空前后为因果关系，because“因为”符合语义，故B项正确。unless“除非”，though“尽管”，until“直到…为止”，均不符合该逻辑。
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考研英语一

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