2. 考研
  3. Chronic insomnia is a major public health problem. And too many people are using【C1】______therapies, even while there are a few

Chronic insomnia is a major public health problem. And too many people are using【C1】______therapies, even while there are a few

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问题     Chronic insomnia is a major public health problem. And too many people are using【C1】______therapies, even while there are a few treatments that do work. Millions of Americans【C2】______awake at night counting sheep or have a stiff drink or【C3】______an pill, hoping it will make them sleepy. 【C4】______experts agree all that self-medicating is a bad idea, and the causes of chronic insomnia remain【C5】______.
    Almost a third of adults have trouble sleeping, and about 10 percent have【C6】______of daytime impairment that signal true insomnia. But【C7】______ the complaints, scientists know surprisingly little about what causes chronic insomnia, its health consequences and how best to treat it, a panel of specialists【C8】______together by the National Institutes of Health concluded Wednesday. The panel called【C9】______ a broad range of research into insomnia,【C10】______that if scientists understood its【C11】______causes, they could develop better treatments.
    Most, but not all, insomnia is thought to【C12】______other health problems, from arthritis and depression to cardiovascular disease. The question often is whether the insomnia came first or was a result of the other diseases and how trouble sleeping in【C13】______complicates those other problems. Other diseases【C14】______ , the risk of insomnia seems to increase with age and to be more【C15】______among women, especially after their 50s. Smoking, caffeine and numerous【C16】______drugs also affect sleep.
    The NIH is spending about $200 million this year on sleep-related research, some【C17】______to specific disorders and others【C18】______ the underlying scientific laws that control the nervous system of sleep. The agency was【C19】______the pane’ s review before deciding what additional work should be【C20】______at insomnia.
【C16】
选项 A、conscription
B、description
C、subscription
D、prescription
答案D
解析 考查名词辨析。此空所在句子意为：吸烟、咖啡因及众多的______也影响睡眠。第一段末提到“专家们一致认为，自作主张乱吃药并不是解决失眠的好方法”，因此答案应为D·prescription“处方”。conscription“征兵，征用”；description“描写”；subscription“订阅费，捐款”，均不符合题意。
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