摘要： A 检查介词短语的含义辨析及在语言逻辑方面的准确应用.联系上下文的语意.我们容易推理出这一句的语境是:采取措施学习恼怒和压力控制技能是重要的.此处该填上表示和--一起之意的介词词组.也即是A项.根本就没有B D两项这样的搭配.C项的意思是对于.在这儿都不符合此处的上下文之间语言逻辑.故A项为准确答案. Passage 4 Once again, science supports what your grandmother told you: A good night's sleep helps your body fight a cold. People who averaged fewer than seven hours of sleep per 1 in the weeks before being exposed to the cold virus were nearly three times 2 likely to get sick as those who 3 eight hours or more, a new study found. Researchers used frequent telephone 4 to track the sleep 5 of more than 150 men and women aged 21 to 55 over the course of a few weeks. Then they 6 the subjects to the virus, quarantined them for five days and kept 7 of who got sick. 8 sleeping more, sleeping better also seemed to 9 the body fight illness: Patients who fared better on a measure 10 as 'sleep efficiency' - the percentage of time in bed that you're actually sleeping - were also 11 likely to get sick. The results held 12 even after researchers 13 for variables such as body-mass index, age, sex, smoking and pre-existing antibodies to the 14 . 15 your grandmother, the researchers aren't exactly sure 16 sleeping better makes you less likely to 17 a cold. But they 18 take a stab at the answer: 'Sleep disturbance influences the regulation of proinflammatory cytokines, histamines, and other symptom mediators that are released in response to infection.' In plain English, maybe tossing and turning when you're 19 with the cold virus 20 to the symptoms that define a cold. The researchers were based at Carnegie Mellon, the University of Pittsburgh and the University of Virginia, and the study was funded by the National Institutes of Health.

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