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閱讀理解 Text 4
It is late at night and you are still awake. Should you take a sleeping pill( 藥片) ? People who take medicine often come to depend on it. so you lie awake knowing that the new work day will soon arrive. If this happens to you for at least one month, you may have insonmia, or sleeping problems, at an early stage. There are millions of you.., us... around the world.
A new study led by Eric Nofzinger and Daniel Buysse of the University of Pittsburgh Medical School has found that you might fall asleep quicker and stay asleep longer if you try "cerebral hypo- thermia", which just means cooling down your brain. They examined twelve people who had in- somnia and twelve others who had no sleep problems. Each of them wore a soft plastic cap on their heads at bed time.
The caps had tubes(軟管 ) inside filled with water. The researchers moved the water through the tubes and then changed the temperature of the water. As other studies showed that people who had trouble sleeping often had more chemical reactions ( 反應) in the front of their brains, the researchers thought lowering the temperature of the brain might help.
For the first two nights of testing, the patients wore no water caps. During the next two nights, the caps were worn, but the water was not cooled. Then the researchers cooled the water a little for two nights. on the final two nights of the study, the temperature of the water was made much cooler.
The researchers found that the water caps did not help the insomnia patients until the tempera- ture was about 140C. Most of the patients fell asleep faster and slept better when the coolest water was moving around their heads,
68. People might suffer from an early stage of insomnia if they
A. become dependent on drugs
B. need to take medicine before sleep
C. stay up late worrying about their jobs
D. have difficulty falling asleep over a month
69. How can people' s sleeping be improved according to the study?
A. Control the brain temperature.
B. Put plastic caps on at the right time.
C. Wear caps made of proper materials.D. Limit the cups of water taken in each day.
70. How many days did the researchers test insomnia patients?
A. Two days.
B. Four days.
C. Six days.
D. Eight days.
71. What might be the best title for the text?
A. How Researchers Discovered a New Use of Water
B. How Cooling the Brain May Help People Sleep
C. What People Need for a Good Night' s Sleep
D. What Happens in the Human Brain at Night
閱讀理解 Text4
夜已深，你仍然醒著。你應該吃一片安*藥嗎?經常吃安*藥的人會逐漸依賴藥物，因此你會躺在床上夜不能寐等待著新一天的工作的到來。如果這種情況你持續至少一個月的時間的話，你可能患上初期的失眠症或者是睡眠障礙。在世界上有上百萬的人面臨這樣的問題。
匹茲堡醫學院的埃裡克·諾夫辛格和丹尼爾·伯伊斯實施了一項新研究，研究發現如果你嘗試“頭部低溫療法”——降低大腦的.溫度，你有可能更快速地入睡並保持長時間的睡眠。他們對l2個有失眠症和l2個沒有睡眠障礙的人進行試驗。給他們每一個人在睡覺的時候都戴上一個柔軟的塑料帽子：
帽子裡有注滿水的軟管。研究者們通過軟管讓水在裡面流動，然後改變水的溫度。通過其他的研究表明患有失眠症的患者在他們的大腦前部分有更多的化學反應，所以研究者認為降低大腦溫度對睡眠有幫助。
在測試開始後頭兩個晚上，病人們戴著沒有注水的帽子睡覺;在接下來的兩個晚上。病人們戴上了注水後的帽子，但水溫沒有降低;又過了兩晚上，研究者們降低了一點帽子裡的水溫;在實驗的最後兩個晚上，水溫被降得更低了。
研究者們發現直到水的溫度降至l4℃才對那些有失眠症的患者有幫助。絕大多數患者在最冷的水在他們頭周圍流動時，他們的睡眠速度更快且睡眠狀態更好。
68.D【精析】細節題。題幹意為“人們可能患上了早期失眠症，假如他們…”。從文章第一段倒數第二句話“If this happens to you for alleast one month，you may have…”可以得知，有這種症狀至少一個月。故D正確。
69.A【精析】推理題。題幹意為“根據這項研究，人們的睡眠如何得以改善?”。由文章所提到的cerebral hypothermia(頭部低溫療法)這個實驗推理得知。故A正確。
70.D【精析】推理題。題幹意為“研究者們對失眠病人一共測試了多少天?”。由文章第四段，一共是分四個兩晚上進行的實驗，也就是說一共實驗八天。故D正確。
71.B【精析】推理題。題幹意為“這篇文章的標題是什麼?”。根據文中的實驗過程及結果，我們可以推出降低大腦溫度對睡眠有幫助。故B正確。
