Sleep is part of a person's daily __36__ cycle. There are several different stages of sleep and they occur in cycles, If you are an __37___ sleeper, your sleep cycle is as follows. When you first drift off into slumber, your eyes will roll about a bit, your _____38_____ will drop slightly, your ___39__ will relax, and your ___40____ will slow and become quite ____41____ Your brain waves slow down a bit too with the alpha rhythm of rather fast waves ____42____ for the first few minutes. This is called stage 1 sleep. For the next half hour or so as you relax more and more you will drift down through stage 2 and stage 3 sleep. The lower your stage of sleep the slower your brain waves will be. Then about 40 to 60 minutes after you lose _____43____ you will have reached the deepest sleep of all.
________________________________________44__________________________________. This is stage 4 sleep.
You do not remain at this deep fourth stage all night long, but instead about 80 minutes after you fall into slumber, your brain activity level will increase again slightly. The delta rhythm will disappear to be replaced by the activity pattern of brain waves. _______________________________45______________________________.
This period of rapid eye movement lasts for some ~ to 15 minutes and is called REM sleep. It is during REM sleep that most dreams seem to occur. ______________________46________________ .You will slip gently back from stage I to 4.
參考答案：
11-18 CBDD DACB
19-22 BCAD
23-25 DBC
26-29 DCCB 30-32 DAB 33-35 DBD
36.activity
37. average
38. temperature
39. muscles
40. breathing
41. regular
42. predominating
43.conciousness.
44. Your brain waves will show the large slow waves that are known as the delta rhythm.
45. Your eyes will begin to dart around under your closed eyelids as if you were looking at something occurring In front of you.
46. Provided that you do not wake up during the first sleep period, your body will soon relax again, your breathing will grow slow and regular once more.
聽力原文
11. M: The view is spectacular. Could you take a picture of me with the mountains in the background?
W: I'm afraid I just ran out of film.
Q: What does the woman mean?
12. W：It has always been hard to get this car into first gear, and now the clutch seems to be slipping.
M：If you leave the car with me, I will fix it for you this afternoon.
Q：Who is the woman probably speaking to?
13. M: Can I borrow your calculus textbook? I left mine in the classroom. And it was gone when I went back.
W: That happened to me once. I'd almost given up on finding it until I checked it at the lost-and-found at the information desk downstairs in the lobby.
Q: What does the woman imply about the man should do?
14. M: I'm really having trouble with this literature course. If I can't start doing better soon, I'm going to have to drop it.
W: Why don't you get some help from the graduate assistant? That's what he's there for.
Q: What does the woman suggest the man do?
15. W: I've been working on this report all day. And I've still got 12 pages to write. At this rate, I'll never get it done by tomorrow.
M: Oh, that's right. You weren't in class today, so you probably haven't heard that the deadline’s been extended a week.
Q: What does the man imply?
16. W: I don't think I want to live in the dormitory next year. I need more privacy.
M: I know what you mean. But check out the cost of renting an apartment first, I wouldn't be surprised if you changed your mind.
Q: What does the man think the woman will do?
17. W: These mosquitoes bite are killing me. I can’t help scratching.
M: Next time you go camping, take some precaution, such as wearing long sleeves
Q: Why does the man suggest the woman wear long sleeves?
18. W: My brother is coming this weekend and I thought three of us could go out to dinner Saturday night. Any suggestions?
M: It's up to you. I don't know the restaurants around here that well. So you know a better place to go than me.
Q: What does the man mean?
Longer conversation one
W: This food is terrible. I can't even finish my dinner.
M: I know. You think with all the money we pay for room and board, the university could hire a better food service. Where are you headed next?
W: I'm going over to the student recreation center to play some bridge.
M: You are spending your time on a card game?
W: Not just any card game. It's one of the most strategic there is.
M: So I've heard. Don't you play with a partner?
W: Yeah. Four people play, two against the other two.
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