张剑《考研英语最后冲刺8套题》.doc

《考试中心 8 套题》 liushuyi1981 整理 《考研英语最后冲刺8套题》模拟试题一 Section I Use of English Directions: Read the following text. Choose the best word(s) from each numbered blank and mark A, B, C or D on ANSWER SHEET1. (10 points) Chronic insomnia is a major public health problem. And too many people are using1 therapies, even while there are a few treatments that do work. Millions of Americans 2awake at night counting sheep or have a stiff drink or 3an pill, hoping it will make them sleepy.4 experts agree all that self　medicating is a bad idea, and the causes of chronic insomnia remain5. Almost a third of adults have trouble sleeping, and about 10 percent have6 of daytime impairment that signal true insomnia. But 7the complaints, scientists know surprisingly little about what causes chronic insomnia, its health consequences and how best to treat it, a panel of specialists 8together by the National Institutes of Health concluded Wednesday. The panel called9a broad range of research into insomnia, 10that if scientists understood its 11causes, they could develop better treatments. Most, but not all, insomnia is thought to 12other 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 13 complicates those other problems. Other diseases 14, the risk of insomnia seems to increase with age and to be more 15among women, especially after their 50s. Smoking, caffeine and numerous 16drugs also affect sleep. The NIH is spending about $200 million this year on sleep　related research, some 17 to specific disorders and others 18the underlying scientific laws that control the nervous system of sleep. The agency was 19 the panel’s review before deciding what additional work should be20 at insomnia. 1. ［A］ unproven［B］ unknown［C］ improper［D］ imperative 2. ［A］ fall［B］ lie［C］ seem［D］ become 3. ［A］ prescribe［B］ pop［C］ abuse［D］ experiment 4. ［A］ And［B］ Though［C