听写文字材料(21-50)

21. SoilsThere are many different kinds of soils. Different soils have different types of rock and minerals in them. Some soils have more water in them than others. Some soils might have more plant and animal material in them, too. Different kinds of soils are found in different parts of the world. There are several kinds of soils found in the United States. In some areas, the soil has a lot of clay. Other soils are very sandy. Loam is a kind of soil that has a good mixture of clay and sand.In some places, soil layers are very thick. Lots of plants grow in places with a thick soil layer. In dry and windy places soil layers are much thinner. Layers of soil on mountains are thin because gravity pulls the soil downhill.The type of soil in a particular place affects what kinds of plants can grow there.22. CrisisLife is a contest! Who will win? A bluebird and sparrow both compete for space to build their nests. A fast-growing maple tree and slower-growing dogwood compete for the sunlight they both need. Oil competes with coal and nuclear power as an energy source for electric power plants!There is a problem. There is a limited amount of space for birds, sunlight for trees, and energy for people! If we do not cut back on our uses of some of our resources, someday they will be gone!How can we use energy today and know we will have enough to go around in the future? We can choose alternate, or replacement, energy resources. It takes the earth millions of years to create coal, oil, and gas. They are nonrenewable resources.Solar energy, wind energy and water energy are renewable resources. It takes the earth millions of years to create coal, oil, and gas. They are nonrenewable resources.Solar energy, wind energy and water energy are renewable. What other ways can we conserve our sources? How can we make sure there is always enough to go around?23. America’s Worst SurpriseDecember 7, 1941 was one of the worst days in American history. Nearly all Americans who are old enough to remember that day can still remember what they were doing at the moment they heard “the news”. The news was that America had been attacked!Shortly before 2:00 P.M., a radio dispatch came into Washington from Honolulu, Hawaii. “Air Raid, Pearl Harbor—This is no drill.” Japanese planes had b egun an attack on the largest American military base in the Pacific. They first destroyed planes on the ground. Then they bombed the ships in the harbor.No one had expected the attack. So no one was prepared for it. And it did not take long for Japanese to do their damage. When the smoke cleared, the Navy counted its losses. Eighteen ships had been sunk or badly damaged. Nearly 150 planes had been destroyed. More than 2,400 Americans had been killed and more than 1,200 wounded.24. Great Depression in the U.S.In 1929, the bills started to come in. American industry had produced too many goods. Americans could not afford to buy all of them. So factories had to cutdown on their production. Many workers lost their jobs. Investors tried to get their money back. But businesses did not have enough money to pay them. Banks tried to get their money back from investors. But the investors could not pay, either. Too many people owed money. And few of them could pay their bills. During the next few years, business got worse and worse. By 1932, banks all over the country were closing.People without money could not buy goods. So more businesses closed. More and more people lost their jobs. By 1932, more than 12 million Americans were jobless. Millions more were earning barely enough to live on. The country was ina great depression they had never experienced before.25. A Place of Our OwnWe are all usually very careful when we buy something for the house. Why? Because we have to live with it for a long time. We paint a room to make it brighter, so we choose the colors carefully.We buy new curtains in order to match the newly decorated room, so they must be the right color. We move the furniture round so as to make more space—or we buy new furniture—and so on. It is an endless business.Rich or poor, we take time to furnish a room. Perhaps some people buy furniture in order to impress their friends. But most of us just want to enjoy our surroundings. We want to live as comfortably as we can afford to. We spend a large part of our lives at home. We want to make a small corner in the world which we can recognize as our own.26. Travel for WorkYou can see them in every airport in the world. They are businessmen and women who have to travel for their work.When they first applied for the job, they may have thought of good food and hotels, huge expense accounts and fashionable cities. Now they have to sit in airport lounges, tired and uncomfortable in their smart clothes, listening to the loudspeaker announce “The fight of Tok yo, or Berlin, or New York is delayed for another two hours.” Some people say to me, “How lucky you are to be able to travel abroad in your work! You can go sightseeing without paying any money by yourself!” They think that my job is like a continual holid ay. It is not. There are advantages, of course, and I do thin I am lucky, but only because I can go to places I would never visit if I was a tourist.27. IntelligenceAre some people born clever, and others born stupid? Or is intelligence developed by our environment and our experience?Strangely enough, the answer to these questions is yes. To some extent our intelligence is given us at birth, and no amount of special education can make a genius out of a child born with low intelligence. On the other hand, a child who lives in a boring environment will develop his intelligence less than one who lives in rich and varied surroundings. Thus, the limits of a person’s intelligence are fixed at birth, whether or not he reaches those limits will depend on his environment. This view, held by most experts now, can be supported in a number of ways. As is easy to show that intelligence is to some extentsomething we are born with. The closer the blood relationship between two people is, the closer they are likely to be in intelligence.28. A Free Dress Every WeekThe temptation to steal is greater than ever before especially in large shops and people are not so honest as they once were.A detective recently watched a well-dressed woman who always went into a large store on Monday mornings. One Monday, there were fewer people in the shop than usual when the woman came in, so it was easier for the detective to watch her. The woman first bought a few small articles. After a little time, she chose one of the most expensive dresses in the shop and handed it to an assistant who wrapped it up for her as quickly as possible. The woman simply took the parcel and walked out of the shop without paying. When she was arrested, the detective found out that the shop assistant was her daughter. Believe it or not, the girl “gave” her mother a free dress every week!29. TimeTime is tangible. One can gain time, spend time, waste time, save time, or even kill time. Common questions in American English reveal this concrete quality as though time were a possession. “Do you have any time?”, “Can you get some time for this?”, “How much free time do you have?” The treatment of time as a possession influences the way that time is carefully divided.Generally, Americans are taught to do one thing at a time and may be uncomfortable when an activity is interrupted. In businesses, the careful scheduling of time and the separation of activities are common practices. Appointment calendars are printed with 15-,30-, and 60-minute time slots. Theidea that “there is a time and place for everything” extends to American social life. Visitors who drop by without prior notice may interrupt their host’s personal time. Thus, calling friends on the telephone before visiting them is generally preferred to visitors’ dropping by.30. CartoonistsIn a good cartoon, the artist can tell in a few lines as much as a writer can tell in half a dozen paragraphs. The cartoonist not only tells a story but he also tries to persuade the reader to his way of thinking. He has great influence on public opinion. In a political campaign, he plays an important part. Controversial issues in Congress or at meetings of the United Nations may keep the cartoonist well-supplied with current materials.A clever cartoonist may cause laughter because he often uses humor in his drawings. If he is sketching a famous person, he takes a prominent feature and exaggerates it. Cartoonists, for instance, like to lengthen an already long nose and to widen an already broad grin. This exaggeration of a perso n’s characteristics is called caricature. The artist uses such exaggeration to put his message across.31．Water PollutionWater is very important to us. Factories and plants need water for industrial uses and large pieces of farmland need it for irrigation. Without water to drink, people die in a short time.Today most water sources are so dirty that people must purify water before drinking. Water becomes dirty in many ways: industrial pollution is one of them. With the development of industry, plants and factories pour tons of industrialwasters into rivers every day. The rivers have become seriously polluted, and the water is becoming unfit for drinking or irrigation. The same thing has also happened to our seas and oceans. So, the problem of water pollution is almost worldwide.Scientists of many countries have done a lot of work to stop pollution. The polluted water in some places has become clean and drinkable again. Perhaps one day the people in all towns and cities will be drinking clean water. That day, we believe, is not very far off.32 Making a ComplaintComplaining about faulty goods or bad services is never easy. But if something you have brought is faulty or does not do what was claimed for it, you are not asking for a favor to get it put right.Complaints should be made to a responsible person. Go back to the shop where you bought the goods, taking with you any receipt you may have. In a small store the assistant may also be the owner so you can complain direct. In a chain store, ask the manager. If you telephone, ask the name of the person who handles your enquiry, otherwise you may never find out who dealt with the complaint later. If you do not want to do it in person, write a letter. Stick to the facts and keep a copy of what you write. At this stage you should give any receipt numbers, but you should not need to give receipts or other papers to prove you bought the article.33 Where Do the British Live？Nearly everyone in Britain would like to own their own home and, whether they do or not, they are prepared to put time and money into decorating and furnishing it or even making structural alterations to it. Because of the climate and because of the expense involved in going out for the evening, the British spend a lot of time at home and a large part of their social life takes place there. Young people tend to stay with their families longer these days as accommodation is expensive but, when they move away to a job or college, there are various options open to them. They can get lodgings with a landlady. This means that they rent a room in someone’s house and have breakfast with the family. They can also get a bed-sitting room, that is to say oneself-contained room in which they can cook, live and sleep. Alternatively, they can share a rented flat or house with a group of young people, perhaps the most popular option of all.34 Will Computers Replace Human Beings?We are in the computer age today. The computers are working all kinds of wonders now. They are very useful in automatic control and data processing. At the same time, computers are finding their way into the home. They seem to be so clever and can solve such complicated problems that some people think sooner or later they will replace us.But I do not think that there is such a possibility. My reason is very simple: computers are machines, not humans. And our tasks are far too various and complicated for any one single kind of machine to perform.Probably the greatest difference between man and computer is that the former can do things of his own while the latter can do nothing without beingprogrammed. In my opinion, computers will remain nothing but an extension of our human brains, no matter how clever and complicated they may become.35 SoccerSoccer has had a slow start in America. In fact, the majority of schools still have no official soccer teams or coaches. But the blossoming pupularity of the game cannot be denied. Thanks to the efforts of some world-famous soccer stars, soccer is soon to have its place in American culture.Although soccer has enjoyed decades of popularity elsewhere, it was literally ignored in America. Instead, a variation of the game called “football” was most popular in the U.S. and still is to this day. But the obvious advantages of playing soccer instead will soon win even the most avid football enthusiasts.For one thing, soccer is a much safer game to play than football. No one deliberately tries to knock an opponent down in soccer. In fact, the players are discouraged from enen touching each other.Soccer is a game that requires skill and dexerity in controlling the ball. Since no one may use hands to do this, soccer players soon acquire incredible control of their heads, knees, and feet.36. ArtistsEvery artist knows in his heart that he is saying something to the public. Not only does he want to say it well, but he wants it to be something which has not been said before.What visual artists, like painters, want to say is easy to make out but difficult toexplain, because painters translate their experiences into shapes and colors, not words. They seem to feel that a certain selection of shapes and colors, out of the countless billions of possible, is exceptionally interesting for them and worth showing to us.Most artists take their shapes and colors from the world of nature and from human bodies in motion and response; their choices indicate that these aspects of the world are worth looking at, that they contain beautiful sights. Contemporary artists might say that they merely choose subjects that provide an interesting pattern, that there is nothing more in it. Yet even they do not choose entirely without reference to the character of their subjects.37 Professioanl Sports in the U.S.Professional sports are not only very popular in the United States, but also a big business. The most popular sports are baseball, football and basketball. Each sport has its own season and individual teams have millions of supporters. Professional teams are named for the cities where they are located. For example, the Lakers are in Los Angeles. The strongest supporters of the Lakers are residents of Los Angeles and Southern California. When the Lakers play, many people in Los Angeles enthusiastically follow the game. When we mention “NBA”, almost every one knows it ahs some relationship with U.S. professional basketball. However, what does it really stand for? N.B.A is gaining new fans and supporters around the world. Basketball has been called the “national pastime”. However, football is the most popular professional sport in t he U.S.. American football is different from international football, which Americans call “soccer”. Both games require strength and specialized skills.38 “How to” BooksBooks which give instructions on how to do things are popular in the United States tod ay. Thousands of these “how to” books are available. In fact, there are about for thousand books with titles that begin with the words “how to’. Many “how to” books give advice on careers. They tell you how to choose a career and how to succeed in it. Many of these books help people to use their free time better. Some people want book which will give them useful information about sports, hobbies and travel. Other people use their free time to make repairs and improvements on their homes. They prefer books which give step-by-step instructions on how to repair things like plumbing and electrical wiring or on how to redecorate or enlarge a house.Why have “how to” books become so popular? Probably because life has become more complex. Today people have far more free to use, more choices to make, and more problems to solve, “how to” books help people to deal with modern life.39. Don’t give upIf we would ever accomplish anything in life, let us not forget that we must persevere. If we would learn our lessons in school, we must be diligent and not give up whenever we come to anything difficult. We shall find many of our lessons very hard, but let us consider that the harder they are the better they will do to us if we will preserve and learn them thoroughly.But there are some among us who are ready to give up when they come to a hard example in mathematics, and say, “I can’t do this.” They never will if they feel so. “I can’t” never does anything worthwhile, but “I’ll try” accomplisheswonders.Let us remember that we shall meet with difficulties all through life. They are in the pathway of everyone. If we will only try and keep trying, we shall be sure to conquer and overcome very difficulty we meet.40. How High Can You Jump?Fleas trainers have observed a strange habit of fleas while training them. Fleas are trained by putting them in a cardboard box with a top on it. The fleas will jump up and hit the top of the cardboard box over and over and over again. As you watch them jump and hit the lid, something very interesting becomes obvious. The fleas continue to jump, but they are no longer jumping high enough to hit the top.When you take off the lid, the fleas continue to jump, but they will not jump out of the box. They will not jump out because they cannot jump out. Why? The reason is simple. They have conditioned themselves to jump just so high. Once they have conditioned themselves to jump just so high. Once they have conditioned themselves to jump just so high, that is all they can do!Many times, people do the same thing. They restrict themselves and never reach their potential. Just like the fleas, they fail to jump higher, thinking they are doing al they can do.41. Apology HelpsIt is never easy to admit you are in the wrong. Being human, we all need to know the art of apologizing. Look back with honesty and think how often you have judged roughly, you said unkind things, and pushed yourself ahead at theexpense of a friend. Then count the occasions when you indicated clearly and truly that you were so sorr y. A bit frightening, isn’t it? It is frightening, isn’t it? It is frightening because some deep wisdom in us knows that when even a small wrong has been committed, some mysterious moral feeling is disturbed; and it stays out of balance until fault is acknowledged and regret expressed.A heartfelt apology can not only heal a damaged relationship but also make it stronger. If you can think of someone who deserves an apology from you, someone you have wronged, or judged too roughly, or just neglected, do something about it right now.42. SleepWhy is it so difficult to fall asleep when you are overtired? There is no one answer that applies to every individual. It is possible to feel “tired” physically and still be unable to fall asleep, because while your body may be exhausted, you do not feel sleepy. It is not so easy to simply “turn off”.Lack of sleep complicates matters even more. Experts say adults need at least seven to eight hours of sleep a night to function properly. When you get less sleep than that o n consecutive three nights, you begin to accrue four “sleep debt”. As sleep debt increases your body experiences a stress response. Now a vicious cycle has been created: You experience the feeling of being more and more tired, but your body is increasingly stimulated. “Power sleeping” for more hours on weekends is only a temporary solution. There is no substitute for getting a good night’s sleep on a regular basis.43. Our ConcernThe history of life on earth has been a history of interaction between living things and their surroundings. To a large extent, the physical form and the habits of the earth’s vegetation and its animal life have been molded by the environment. Only in the present century has one species of man acquired significant power to alter the nature of his world.The rapidity of change follows the pace of man rather than the pace of nature. Radiation is now the unnatural creation of man’s tampering with the atom. The chemicals are the creations of man’s inventive mind, having no counterparts in nature.We have put poisonous and biologically potent chemicals into the hands of persons largely ignorant of their potentials for harm. We have subjected enormous numbers of people to contact with these enormous numbers of people to contact with these poisons, without their consent and often without their knowledge. We have allowed these chemicals to be used with little or no advance investigation of their effect. Future generations are unlikely to forgive our lack of concern.44. Gardening in AmericaBelieve or not, 43,000,000 Americans are gardening. That is about one in six. Gardeners, of course, come in many varieties. Not surprisingly, most of them are people who live in the suburbs, and enjoy planting flowers, or maybe a small vegetables garden.The average age of gardeners in America is about 45 years old; they usually fall somewhere in the middle class. But the fastest growing groups are city dwellers. Urban residents are finding ways of gardening even in their crowded areas.Many go to large public gardens, as a place designed by the city for garden, and you can actually ranch your own plot.Still other people use their balconies or roof tops, wherever they can find the space to plant small patches of green.45. The Influence of LifeIn the early times when human beings hunted and gathered food, they were not in control of their environment. They could only interact with their surroundings as the other lower animals did.When they learned to make fire, however, they became capable of altering their environment. To provide themselves with fuel, they cut down trees. They also burned clearings in forests to increase the growth of grass and to provide a greater grazing area for the wild animals that human beings fed upon. This development led to farming and the domestication of animals. Fire provided the means for cooking plants which had previously been inedible. Only when the process of meeting the basic need for food reached a certain level was it possible for humans to follow other pursuits such as setting up families, forming societies and founding cities.46. AutomobilesIt is impossible to say that any one man invented the automobile. Many individuals living and working in different countries and at different times contributed to its development. Many of the discoveries that went into the creation of the automobile were small in themselves. But together they were important. Here are two examples.“Carriage is running at a speed of 8 to 9 miles an hour.” It was almost unheard of in those days. According to automobile historians, this was the first practical use of mechanical power to move a vehicle. After its first run, the machine reportedly burned up while the inventor and his friends were celebrating its success at a pub.Henry Ford is considered the father of modern automobiles mass production. His famous Model-T car, because of its low price, made it possible to produce cars on a large scale and his efforts made it accessible to ordinary people. 47. House and Home“House” and “home” are two words that have similar meanings.“House” and “home” both refer to places where people live. However, there is a difference between them. “Home” is often referred to as the place that we live in with our families. Sadly, in our society, people can hardly distinguish a home from a house because they often see no difference between them. This confusion can be traced back to the indifference between family members. Therefore, we can say that love is an important factor in a home. A home is a shelter, not only for our bodies but also for our minds. Whenever we are depressed, we can go home for comfort. Everyone in the family will do his best to take care of each other and share their happiness as well as sorrow. Without love, a home is merely a house where loneliness is all that can be found. And a house can never be a home unless there is love.48. Population GrowthIt is well-known that there has been a drastic increase in world population. But it is probably les well-known that the extinction rate of wildlife species is experiencing a parallel trend.Take the United States for instance. In 1990, U.S. population reached an unprecedented level of 250 million, which is approximately 250 times of that of 1800. On the other hand, wildlife species are disappearing from the country at an alarming rate. By 1990, about 70 wildlife species would never be seen in U.S. We are fully justified in declaring that the explosive population growth has had an adverse effect on the survival of wildlife species and will be a constant threat to the wildlife resources if no immediate actions are taken.Nothing has ever equaled the magnitude and speed with which the human species is altering the physical and chemical world. It has been demolishing the environment we are living in.49. Natural ResourcesThrough the changes in the ways of making a living in a family over several generations, the cartoon aims at sounding a warning against man’s wasteful use of natural resources and emphasizing the urgent need to preserve these resources.Ever sin ce man appeared on the earth, man’s survival has been heavily dependent on nature. Almost everything we use in our everyday life comes from nature, ranging from the food we eat, the water we drink, to the wood which is turned into furniture. With the development of technology and population growth, the amount and range of materials used has increased at an alarming rate.However, natural resources are not inexhaustible. Some reserves are already on the brink of exhaustion and there is no hope of replacing them. The widespread water shortage is an example in point. If man continued to squander natural resources with no thought for the future, the whole world would be in a mess.50. ReadingNowadays few of us read books after we leave school.This is rather disturbing, for one should know that books are no less necessary to one’s mental life than fresh air is to one’s physical life. From good reading we can derive companionship, experience and instruction. A good book is our faithful friend. It can increase our contentment when we are cheerful and happy, and lessen our pain when we are sad or lonely. Books can also offer us a wide range of experience. Few of us can travel far from home or live long over 100, but all of us can live many lives through the pages of books. What’s more, reading books can increase our intellectual ability, broaden our minds and make us wise.With the coming of TV, books are no longer read as widely as they once were。