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(英语类学生必做)Sleep is important to us because it helps restore organs and tissues in ou

(英语类学生必做)

Sleep is important to us because it helps restore organs and tissues in our body. But how much sleep do we actually need?

For most of us, eight hours seems to be about the right amount. Yet we know that there are many people who get 【61】 perfectly with less sleep, and some who may need 【62】 A great deal depends on the 【63】 we live. But a good general rule 【64】 is to sleep as long as we have to in order to feel happy and be able to work 【65】 our best when we awaken.

There are actually different 【66】 of sleep. There is a deep sleep and a shallow sleep. In a shallow sleep our body does not get the same kind of rest it gets in a 【67】 sleep, 【68】 after eight hours of a shallow sleep we may still feel tired. But a short, deep sleep can be very 【69】 Alexander—the Great Emperor was able to get a deep sleep 【70】 he needed it. Once, during the night before an important battle, he remained 【71】 longer than anyone else. 【72】 he wrapped himself in a cloak and 【73】 down on the earth. He slept so 【74】 that his generals had to wake him three times for him to give the 【75】 to attack!

Normally when we go to sleep, our " sleep center" blocks off nerves so that 【76】 our brain and body go to sleep. 【77】 prevents us from wanting to do anything, and the other 【78】 our internal organs and limbs go to sleep. 【79】 sometimes only one goes to sleep and the other does not. A very tired soldier can sometimes 【80】 asleep (brain sleep) and keep on marching, because his body is not asleep.

(86)

A.across

B.away

C.along

D.over

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更多“(英语类学生必做)Sleep is important to…”相关的问题
第1题
(非英语类学生必做)I arrived in the United States 【61】 February 6, 1986, but I remember my

(非英语类学生必做)

I arrived in the United States 【61】 February 6, 1986, but I remember my first day here very 【62】 My friend was waiting for me when my 【63】 landed at Kennedy Airport at three o'clock in the afternoon. The weather was very 【64】 and it was snowing, but I was 【65】 excited to mind. From the airport, my friend and I 【66】 a taxi to my hotel. On the way, I saw the skyline of Manhattan for the first time and I stared in 【67】 at the famous World Trade Center, the tallest building in the world. My friend helped me 【68】 at the hotel and then left because he had to go 【69】 to work. He promised to return the next day.

Shortly after he left, I went to a 【70】 near the hotel to get something to eat. As I couldn't speak 【71】of English, I couldn't tell the 【72】 what I wanted. I was very upset and started to make some gestures, but the waiter didn't 【73】 me. Finally, I ordered the same thing the man at the next table was eating. After dinner, I started to walk along Broad way 【74】 I came to Times Square with its movie theatres, neon lights, and huge crowds of people. I did not feel tired, so I 【75】 walking around the city. I wanted to see everything on my first day. I knew it was 【76】 , but I wanted to try.

When I returned to the hotel, I was exhausted, but I 【77】 sleep because I kept hearing the fire and police sirens during the night. I lay 【78】 and thought about New York. It was a very big and 【79】 city with many tall buildings and big cars, and full of noise and busy people. I also decided right then that I had to learn to speak 【80】 .

(66)

A.in

B.at

C.on

D.for

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第2题
(非英语类学生必做)A schoolboy's life is in preparation for the real battle of life. It is

(非英语类学生必做)

A schoolboy's life is in preparation for the real battle of life. It is also 【61】 of differences and interests. One of the 【62】 important parts of a schoolboy's life is to get 【63】 knowledge and good mind-training as he can. His 【64】 business in school is to learn. He 【65】 to read the book he is 【66】 in the classes. He has to do the homework set to him. 【67】 part that 【68】 a schoolboy's life is the school discipline. At school there are 【69】 rules 【70】 This strict discipline is very 【71】 for him when he 【72】 the society to 【73】 a living. It teaches him some very necessary virtues on the road to a 【74】 life.

School is a place for a schoolboy to learn what the social life is 【75】 【76】 in the classroom and the playground, he has to catch up with his fellows and not members of his family.

He cannot behave 【77】 he does in his home. He is no longer a spoiled child, and his school fellows will not give 【78】 to his wishes. He soon gets his corners robbed off and learns the lesson of give-and-take, good manners, and thought for 【79】

This is 【80】 the way when he has to carry himself in society.

(66)

A.sure

B.fond

C.full

D.short

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第3题
(非英语类学生必做)The average person swallows about half-a-ton of food a year—not counting

(非英语类学生必做)

The average person swallows about half-a-ton of food a year—not counting drink—and though the body is remarkably efficient at extracting(摄取) just what it needs from this huge mixture, it can only cope up to a point. If you go on eating too much of some things and not enough of others, you'll eventually get out of condition and your health will suffer. So think before you start eating. It may look good. It may taste good. Fine! But how much good is it really doing you?

What you eat and the way it affects your body depend very much on the kind of person you are. For one things, the genes you inherit from your parents can determine how your body metabolism(新陈代谢) copes with particular foods. The tendency to put on weight rather easily, for example, often runs in families which means that they have to take particular care.

And your parents may shape your future in another way. The way you are brought up shapes some basic attitudes to food—like whether you have a sweet tooth, nibble (吃零食) between meals, take big mouthfuls or eat chips with everything. Eating habits, good or bad, tend to get passed on.

And then there is your lifestyle. How much you spend on food (time as well as money) , how much exercise you get—these can alter the balance between food and fitness.

And finally, both your age and your sex may affect this balance. For example, you're more likely to put on weight as you get older, especially if you're a woman.

So everybody is different and the important thing is to know yourself.

Before eating something, we are advised to consider______.

A.how good it will taste

B.whether we really need it

C.why we want to eat it

D.if we have eaten too much of it

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第4题
(英语类学生必做)The three main types of secondary education in the United States have been

(英语类学生必做)

The three main types of secondary education in the United States have been provided by the Latin grammar school, the academy, and the public high school. The first of these was a colonial institution. It began in New England with the establishment in 1635 of the Boston Free Latin School. The curriculum consisted mainly of the classical languages, and the purpose of this kind of school was the preparation of boys for college, where most of them would be fitted for the ministry.

The academy began in the early 1750's with Benjamin Franklin's school in Philadelphia, Which later became the University of Pennsylvania. It extended generally to about the middle of the nineteenth century, except in the southern states where the public high school was late in developing and where the academy continued a principal means of secondary education even after 1900. The academy was open to girls as well as to boys, and it provided a wider curriculum than the Latin grammar school had furnished. It was designed not only as a preparation for college but also for practical life in commercial and business activities. Although its wide educational values were evident and are recognized as important contributions to secondary education in this country, the academy was never considered a public institution as the public high school has come to be.

The public high school had its origin in Massachusetts in 1821 when the English Classical School was established in Boston. In 1827, that state enacted the first state-wide public high school law in the Untied States. By 1840, there were perhaps a dozen public high schools in Massachusetts and many in other eastern states; by 1850, they were also to be found in many other states.

Just as the curriculum of the academy grew out of that of the Latin grammar school, so the curriculum of the public high school developed out of that of the academy. The public high school in the United States is a rejection of the aristocratic (贵族) and selective principle of the European educational tradition. Since 1890, enrollments in secondary schools, mainly public high schools, have practically doubled in this country every ten years.

According to the author, the main types of secondary education in the United States have been provided by______.

A.New England establishments

B.the Latin grammar school and the academy

C.the public high school

D.both B and C

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第5题
The writer advises us to think about ecology, because ______.A.it enables us to survive in

The writer advises us to think about ecology, because ______.

A.it enables us to survive in the closed system of a spaceship

B.it is a modern science that everybody has to learn

C.it can be learned quickly if we study it hard

D.it helps us to understand the relationship between living beings and the environment

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第6题
Material culture refers to the touchable, material "things"—physical objects that can be s
een, held, fell, used — that a culture produces. Examining a culture's tools and technology can tell us about the group's history and way of life. Similarly, research into the material culture of music: can help us to understand the music culture. The most vivid body of "things" in it, of course, are musical instruments. We cannot bear for ourselves the actual sound of any musical performance before the 1870s when phonograph was invented, so we rely on instruments for important information about music-cultures in the remote past and their develop ment. Here we have two kinds of evidence: instruments well preserved and instruments pictured in art. Through the study of instruments, as well as paintings, written documents, and so on, we can explore the movement of music from the Near East to China over a thousand years ago, or we can outline the spread of Near Eastern influence to Europe that resulted in the development of most of the instruments in the symphony orchestra.

Sheet music or printed music, too, is material culture. Scholars once defined folk music-cultures as those in which people learn and sing music by ear rather than from print, but research shows mutusl influence

among oral and written sources during the past few centuries in Europe, Britain, and America. Printed versions limit variety because they tend to standardize any song, yet they stimulate people to create new and different songs. Besides, the ability to read music notation has a far-reaching effect on musicians and, when it becomes widespread, on the music cul Lure as a whole.

One more important part of music's material culture should be singled out: the influence of the electronic media—radio, record player, tape recorder, television, and videocassette, with the future promising talking and singing computers and other developments. This is all part of the "information revolution", a twentieth-century phenomenon as important as the industrial revolution was in the nineteenth. These electronic media are not just limited to modern nations; the)' have affected music cultures all over the globe.

Research into the material culture of a nation is of great importance bucause ______.

A.it helps produce new cultural tools and technology

B.it can reflect the development of the nation

C.it helps understand the nation's past and present

D.it can demonstrate the nations civilization

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第7题
When we see well, we do not think about our eyes very often. It is only when we cannot see
perfectly that we realize how important our eyes are.

People who are nearsighted can only see things that are very close to their eyes. Everything else is not so clear. Many people who do a lot of close work, such as writing, reading and sewing, become near sighted. Then they have to wear glasses in order to see distant (远处的) things clearly'.

People who are nearsighted suffer from just the opposite problem. They can see things that are far away, but they have difficulty in reading a book unless they hold it at arm's length. If they want to do much reading, they must get glasses, too.

Other people do not see clearly because their eyes are not exactly the right shape. They have what is called astigmatism (散光). This, too, can be corrected by glasses. Some people's eyes become cloudy because of cataracts (白内障). Long ago these people often became blind. Now, however, it is possible to operate on the cataracts and remove them.

Having two good eyes is important for judging distances. Each eye sees things from a slightly different angle (角度). To prove this to yourself, look at an object out of one eye; then look at the same object out

of the other eye. You will find the object's relation to the background (背景) and other things around it has changed. The difference between these two different eye views helps us to judge how far away an object is. People who have only one eye cannot judge distance as people with two eyes.

We should take good care of our eyes ______.

A.only when we cannot see perfectly

B.only when we can see well

C.even if we can see well

D.only when we realize how important our eyes are

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第8题
(非英语类学生必做)Summers with father were always enjoyable. Swimming, hiking, boating, fi

(非英语类学生必做)

Summers with father were always enjoyable. Swimming, hiking, boating, fishing the days were not long enough to contain all of our activities. There never seemed to be enough time to go to church, which disturbed some friends and relations. Accused of neglecting this part of our education, my father instituted a summer school for my brother and me. However, his summer course included ancient history, which Papa felt our schools neglected, and navigation, in which we first had a formal examination in the dining room, part of which consisted of tying several knots in a given time limit. Then we were each separately sent on what was grandly referred to as a cruise in my father's 18 foot knockabout, spending the night on board, and loaded down, according to my mother, with enough food for a week. I remember that on my cruise I was required to formally plot our course, using the tide table, even though our goal was an island I could see quite clearly across the water in the distance.

What was the original reason for holding the summer school?

A.The father wanted the children to learn more about religion.

B.The children got poor grades in their regular school.

C.The regular school teachers neglected the children.

D.Friends and relatives thought the children should learn religion.

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第9题
When we see well, we do not think about our eyes very often. It is only when we cannot see
perfectly that we realize how important our eyes are.

People who are near-sighted can only see things that are very close to their eyes.' Everything else is not so clear. Many people who do a lot of close work, such as writing, reading and sewing, become near sighted. Then they have to wear glasses in order to see distant (远处的) things clearly.

People who are far-sighted suffer from just the opposite problem. They can see things that are far away, but they have difficulty in reading a book unless they hold it at arm's length. If they want to do much reading, they must get glasses, too.

Other people do not see clearly because their eyes are not exactly the right shape. They have what is called astigmatism (散光). This, too, can be corrected by glasses. Some people's eyes become cloudy because of cataracts (白内障). Long ago these people often became blind. Now, however, it is possible to operate on the cataracts and remove them."

Having two good eyes is important for judging distances. Each eye sees things from a slightly different angle (角度). To prove this to yourself, look at an object out of one eye; then look at the same object out of the other eye. You will find the object's relation to the background (背景) and other things around it has changed. The difference between these two different eye views helps us to judge how far away an object is. People who have only one eye cannot judge distance as people with two eyes.

We should take good care of our eyes ______.

A.only when we cannot see perfectly

B.only when we can see well

C.even if we can see well

D.only when we realize how important our eyes are

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第10题
When we see well, we do not think about our eyes very often. (79) It is only when we canno

When we see well, we do not think about our eyes very often. (79) It is only when we cannot see perfectly that we realize how important our eyes are.

People who are nearsighted can only see things that are very close to their eyes. Everything else seems blurry (模糊的). Many people who do a lot of close work, such as writing, reading and sewing, become nearsighted. Then they have to wear glasses in order to see distant objects clearly.

People who are farsighted suffer from just the opposite problem. They can see things that are far away, but they have difficulty in reading a book unless they hold it at arm's length. If they want to do much reading, they must get glasses, too.

Other people do not see clearly because their eyes are not exactly the right shape. They have what is called astigmatism (散光). This, too, can be corrected by glasses. Some people's eyes become cloudy because of cataracts (白内障). Long ago these people olden became blind. Now, however, it is possible to operate on the cataracts and remove them.

Having two good eyes is important for judging distances. Each eye sees things from a slightly different angle. To prove this to yourself, look at object out of one eye; then look at the same object out of your other eye. You will find the object's relation to the background and other things around it has changed. The difference between these two different eye views helps us to judge how far away an object is. People who have only one eye cannot judge distance as people with two eyes.

We should take good care of our eyes ______.

A.only when we can see well

B.only when we cannot see perfectly

C.even if we can see dell

D.only when we realize how important our eyes are

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