Allpeopleneedtosleep.Sleepisan-优题课

Birds that are half-asleep—with one brain hemisphere (半球) alert and the other sleeping—control which side of the brain remains awake, according to a new study of sleeping ducks.
Earlier studies have documented half-brain sleep in a wide range of birds. The brain hemispheres take turns sinking into the sleep stage characterized by slow brain waves. The eye controlled by the sleeping hemisphere keeps shut, while the wakeful hemisphere’s eye stays open and alert. Birds also can sleep with both hemispheres resting at once.
Decades of studies of bird groups led researchers to predict extra alertness in the end-of-the-row sleepers which tend to be attacked more easily. Sure enough, the end birds tended to watch carefully on the side away from their companions. Ducks in the inner spots showed no preference for gaze direction.
Also, birds napping at the end of the line depend on single-hemisphere sleep, rather than total relaxation, more often than inner ducks did. Turning 16 birds through the positions in a four-duck row, the researchers found that compared with 12 percent for birds in internal spots, outer birds half-asleep during some 32 percent of napping time.
“We believe this is the first evidence for an animal behaviorally controlling sleep and wakefulness at the same time in different regions of the brain,” the researchers say.
The results provide the best evidence for a long-standing assumption that single-hemisphere sleep evolved as creatures scanned for enemies. The preference for opening an eye on the lookout side could be widespread, he predicts. He’s seen it in a pair of birds napping side-by-side in the zoo and in a single pet bird sleeping by a mirror. The mirror-side eye closed as if the reflection were a companion and the other eye stayed open.
Useful as half-sleeping might be, it’s only been found in birds and such water animals as dolphins, whales, and seals. Perhaps keeping one side of the brain awake allows a sleeping animal to surface occasionally to avoid drowning.
Studies of birds may offer unique insights into sleep. Jerome M. Siegel of the UCLA says he wonders if birds’ half-brain sleep “is just the tip of the iceberg.” He supposes that more examples may turn up when we take a closer look at other species.
66. According to the passage, birds often half sleep because ______.
A. they have to watch out for possible attacks B. their brain hemispheres take turns to rest
C. the two halves of their brain are differently structured
D. they have to constantly keep an eye on their companions
67. What is implied about the example of a bird’s sleeping in front of a mirror?
A. An imagined companion gives the bird a sense of security.
B. Birds prefer to sleep in pairs for the sake of their security.
C. The phenomenon of birds napping in pairs is widespread.
D. A single pet bird enjoys seeing its own reflection in the mirror.
68. While sleeping, some water animals tend to keep half awake in order to ______.
A. alert themselves to the approaching enemy B. emerge from water now and then to breathe
C. be sensitive to the ever-changing environment
D. avoid being swept away by rapid currents
69. It can be inferred that ----------------.
A. Birds never sleep with both hemispheres resting at once.
B. Inner ducks depend on single-hemisphere sleep, rather than total relaxation, as often as
birds napping at the end of the line do
C. It is not the first time for scientists to research on birds’ half-brain sleep
D. Birds hardly sleep without a companion
70. By saying “just the tip of the iceberg”, Siegel suggests that ______.
A. half-brain sleep has something to do with icy weather
B. the mystery of half-brain sleep is close to being solved
C. most birds living in cold regions tend to be half sleepers
D. half-brain sleep may exist among other species

What is a Boy?
Between the innocence of babyhood and the seriousness of manhood we find a delightful creature called a “boy”. Boys come in different sizes, weights, and colors, but all boys have the same belief: to enjoy every second of every minute of every hour of every day and to fill the air with noise until the adult males pack them off to bed at night.
Boys are found everywhere--- on top of, under, inside of, climbing on, swinging from, running around, or jumping to this and that! Mothers spoil them, little girls hate them, older sisters and brothers love them, and God protects them. A boy is TRUTH with dirt on its face, BEAUYTY with a cut on its finger, WISDOM with chocolate in its hair, and HOPE of the future with a snake in its pocket.
When you are busy, a boy is a trouble-maker and a noise. When you want him to make a good impression, his brain turns to jelly or else he becomes a wild creature bent on destroying the world and himself with it.
A boy is a mixture--- he has the stomach of a horse, the digestion of stones and sand, the energy of an atomic bomb, the curiosity of a cat, the imagination of a superman, the shyness of a sweet girl, the brave nature of a bull, the violence of a firecracker, but when you ask him to make something, he has five thumbs on each hand.
He likes ice cream, knives, saws, Christmas, comic books, woods, water (in its natural habitat), large animals, Dad, trains, Saturday mornings, and fire engines. He is not much for Sunday schools, company, schools, books without pictures, music lessons, neckties, barbers, girls, overcoats, adults, or bedtime.
Nobody else is so early to rise, or so late to supper. Nobody else gets so much fun out of trees, dogs, and breezes. Nobody else can put into one pocket a rusty knife, a half eaten apple, a three-foot rope, six cents and some unknown things.
A boy is a magical creature---he is your headache but when you come home at night with only shattered pieces of your hopes and dreams, he can mend them like new with two magic word, “Hi, Dad!”
61. The whole passage is in a tone of _______ .
A. humor and love B. respect and harmony
C. ambition and expectation D. confidence and imagination
62. What does the underlined sentence in Pare 4 probably mean?
A. He has altogether five fingers. B. He is slow, foolish and clumsy.
C. He becomes clever and smart. D. He cuts his hand with a knife.
63. According to the writer, boys appreciate everything in the following EXCEPT ___________.
A. ice cream B. comic books C. Saturday mornings D. Sunday schools
64. What does the writer feel about boyhood?
A. Curious.B. Tiring. C. Delightful. D. Unsafe.
65. The writer is probably ________ .
A. a cheerful young bachelor B. a keenly observant father
C. an appreciative fond mother D. a spoiled naughty kid

PART THREE READING COMPREHENSION (30%)
Directions: Read the following three passages．Each passage is followed by several questions or unfinished statements．For each of them there are four choices marked A, B, C, and D．Choose the one that fits best according to the information given in the passage
They say a cat has nine lives, and I think that possible since I am now living my third life and I’m not even a cat. My father died when I was 15, and we had a hard struggle to make a living. And my mother, who was seriously ill in her last years, died while still in her 60s. My sister married soon after, and I followed her example within the year.
This was when I began to enjoy my first life. I was very happy, in excellent health. I had a good job in San Jose and a beautiful home up the peninsula (半岛) in San Carlos. Life was a pleasant dream. Then the dream ended. I became afflicted (使苦恼) with a slowly progressive disease of the motor nerves, affecting first my right arm and leg, and then my other side. Thus began my second life...
In spite of my disease I still drove to and from work each day, with the aid of special equipment installed in my car. And I managed to keep my health and optimism (乐观), to a degree, because of 14 steps. Crazy? Not at all. Our home was an affair with 14 steps leading up from the garage to the kitchen door. Those steps were a standard measure of life. They were my yardstick, my challenge to continue living. I felt that if the day arrived when I was unable to lift one foot up one step and then drag the other painfully after it ---repeating the process 14 times, I would be through---I could then admit defeat and lie down and die.
Then on a dark night in August, 1971, I began my third life. It was raining when I started home that night; strong winds and slashing rain beat down on the car as I drove slowly down one of the less-traveled roads. Suddenly the steering wheel jerked (猝然一动). In the same instant I heard the bang of a blowout. It was impossible for me to change that tire! Utterly impossible!
I started the engine and thumped slowly along until I came to the dirt road, where I turned in and where I found lighted windows welcomed me to a house and pulled into the driveway and honked the horn.
The door opened and a little girl stood there. When she knew what happened to me, she went into the house and a moment later came out, followed by a man who called a cheerful greeting. I sat there comfortable and dry, and felt a bit sorry for the man and the little girl working so hard in the storm.
About an hour later, the man’s voice was heard, “This is a bad night for car trouble, but you’re all set now.” “Thanks,” I said. “How much do I owe you?” He shook his head, “Nothing. Cynthia told me you were a cripple. Glad to be of help. I know you’d do the same for me. There’s no charge, friend.” I held out a five-dollar bill, “No! I like to pay my way.” He made no effort to take it and the little girl stepped closer to the window and said quietly, “Grandpa can’t see it.”
56. “A cat has nine lives” here means ___________.
A. a cat can live nine times longer than any other animal B .a cat can die ninth
C .a lucky man can not die easily D the writer will live nine times
57. What do you think of the man who helped change the tire?
A. Old, warm-hearted but pitiable
B. Blind, but warm-hearted and happy
C. A blind old man that has nothing to do every day.
D. A poor old man that is always ready to help others.
58. How will the story be ended?
A. The writer paid the little girl but the old man did not accept.
B. The writer drove away with tears running down his cheek.
C. The writer stayed there, without knowing what to do and how to do it.
D. In the next few frozen seconds the writer felt the shame and astonishment he had never felt
before.
59. How do you understand the underlined sentence “I followed my sister’s example?”
A. He listened to his sister carefully.
B Mother told him that he must get the agreement from his sister for whatever he would do.
C His sister got married. He, too.
D His sister was a great woman.. He must learn from her.
60. The best title for this passage perhaps will be _____.
A.The Old Man and His Daughter B. Heart Leaping Up
C.Never Lose Heart D. Good Will Be Rewarded Good

BEIJING, March 1 (Xinhua)-China's top economic planning body has confirmed the government will take concrete actions to develop a low-carbon economy after it promised to considerably reduce carbon emission (排放) at last year's Copenhagen Climate Conference.
China would include the low-carbon targets in the 12th five-year plan for national economic development (2011-2015) to build an energy-saving, ecologically friendly society, the National Development and Reform Commission (NDRC) said in a report to the Standing Committee of the 11th National People's Congress (NPC).
The report said the government would launch a series of technological and financial support policies to promote the use of non-fossil, renewable energies including wind, solar, biomass, geothermal (地热) and nuclear power, aiming to increase its percentage of primary energy consumption to about 15 percent by 2020 from 9.9 percent at the end of last year.
China's installed wind power capacity (容量) reached 15 million kilowatts, with 10 million kilowatts under construction at the end of June 2009, while nuclear power under construction, installed hydro-electric power capacity and solar heating collection areas were the highest in the world, it said.
The commission was also planning to make a catalog (目录) of emissions of greenhouse gases in an effort to build a monitoring and checking system to cut carbon emissions.
The economic planner decided to control unnecessary construction and industries with surplus (多余的)production capacities, such as steel, cement and electrolytic aluminum, to promote the energy efficiency and environmental protection.
The government had drafted a plan on regional development to transfer industries in eastern areas to central and western regions.
The State Council announced in November that China would reduce the intensity of carbon dioxide emissions per unit of GDP in 2020 by 40 to 45 percent compared with the level of 2005.
67.Which of the following best summarizes the low-carbon economy China is to develop?
A.Energy-saving and ecologically friendly.
B.Promoting the use of clean energy.
C.Developing the industry in the wild west.
D.Reducing carbon emissions per unit of GDP by 40 to 50 percent.
68.Which of the following does NOT belong to China's low-carbon measures mentioned in the text?
A.Limiting the use of nuclear power and other primary energy.
B.Setting up a system to monitor and check carbon emission.
C.Controlling unnecessary construction and industries with extra production capacities.
D.Planning to move industries from eastern areas to central and western regions.
69.If you are planning to start your own business in line with the low-carbon economy, which is the best choice?
A. An iron and steel plant. B. A petrochemical works.
C. A solar heating company. D. A construction company.
70.The passage is mainly about .
A. China's plan of economy development in the 12th five-year plan
B. China's efforts to build up a low-carbon economy
C. NDRC's reaction to Copenhagen Climate Conference
D. NDRC's plan handed over to the Standing committee of 11th NPC

"To be or not to be". Outside the Bible, these six words are the most famous in all the literature of the world. They were spoken by Hamlet when he was thinking aloud, and they are the most famous words in Shakespeare because Hamlet was speaking not only for himself but for every thinking man and woman. To be or not to be―to live or not to live, to live richly and abundantly and eagerly, or to live dully and meanly and scarcely. A philosopher once wanted to know whether he was alive or not, which is a good question for everyone to put to himself occasionally. He answered it by saying: "I think, therefore I am."
But the best definition of existence I ever saw was one written by another philosopher who said: "To be is to be in relations." If this is true, then the more relations a living thing has, the more it is alive. To live abundantly means simply to increase the range and intensity (强度)of our relations. Unfortunately, we are so constituted that we get to love our routine. But other than our regular occupation, how much are we alive? If you are interested only in your regular occupation, you are alive only to that extent. So far as other things are concerned~poetry and prose, music, pictures, sports, unselfish friendships, politics, international affairs―you are dead.
On the contrary, it is true that every time you acquire a new interest―even more, a new accomplishment―you increase your power of life. No one who is deeply interested in different ourselves. Let us widen and intensify our relations. While we live, let us live.
63.What does the author mainly want to do by this passage?
Argue against an idea. B. Put forward an idea.
C. Introduce some famous sayings. D. Explain some famous sayings.
64.What does the underlined word "pessimist" most probably mean?
A. Somebody who always expects the worst to happen.
B.Somebody who is always interested in making new friends.
C.Somebody who always lives in a world of passion and imagination.
D.Somebody who likes to live a rich and abundant life.
65.Which of the following behaviors is most probably NOT encouraged by the author?
A. Thinking more than your own business.
B. Caring only about your physical welfare.
C.Reading good novels.
D.Listening to fine music.
66.What is the main idea of the passage?
A. To be or not to be, that is a question.
B. I think, therefore I am.
C. To be is to be in relations.
D. A man dies as often as he loses a friend.

A．How to Improve Sleep Quality？	B．What Is the Process of Sleep?
C．Where Should We Sleep?	D．How to Deal with Sleep Problems?