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  3. Don’t worry, be happy and, according to a new research, you will also be healthy. It is estimated that over the course of on

Don’t worry, be happy and, according to a new research, you will also be healthy. It is estimated that over the course of on

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问题     Don’t worry, be happy and, according to a new research, you will also be healthy.
    It is estimated that over the course of one year, Americans suffer 1 billion colds. But new research shows that all it may take to【B1】______this common affliction is a positive and upbeat attitude.
    People who are happy, relaxed and【B2】______are less likely to catch a cold than those who are depressed, nervous or angry, according to a new study【B3】______in the journal Psychosomatic Medicine.
    Healthy volunteers were first asked to rate their【B4】______to experience positive and negative emotions — how often they felt pleased, relaxed, happy, or anxious, depressed and hostile. The【B5】______were next given a squirt up the nose of a rhinovirus(鼻病毒), the nasty little germ that cause colds. Researchers then watched the volunteers to see who came down with a cold and how the unlucky ill【B6】______their cold symptoms. "We found that people who regularly experience positive emotions, when exposed to rhinovirus, are【B7】______protected from developing illness," said Dr. Sheldon Cohen,【B8】______author of the study and a psychology professor at Carnegie Mellon University.
    【B9】______. So how can your emotions influence your health? In simple terms,【B10】______.
    In addition, happy and relaxed people are prone to better health practices than their negative and stressed counterparts.【B11】______.
【B11】
选项
答案They are more likely to sleep well and to engage in regular exercise，and to have lower levels of certain stress hormones
解析 They tend to sleep well and exercise regularly, and to have lower levels of some stress hormones
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