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听力原文：Experts say some farming activities are seriously damaging Earth's environment. B

听力原文： Experts say some farming activities are seriously damaging Earth's environment. Bad farming methods can damage soil, forests and water supplies. They also have caused some plants and animals to disappear.

Two groups now say that bad farming methods are threatening the ability of farmers to produce enough food to feed the world population in the future.

The groups used satellite images, maps and modern equipment to study the effect of agriculture on the environment. The study found that the destruction of soil is widespread. Important organic nutrients are being removed from farmland.

Agriculture uses seventy percent of the freshwater in the world each year. The study found that many farmers are wasting water supplies. In addition, chemicals designed to protect crops may pollute waterways.

The report also says as much as thirty percent of the world's forests have been cut down so the land could be used for agriculture. This has led to a severe loss of wildlife and their environments.

(30)

A．Soil.

B．Human population.

C．Forest.

D．Water.

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发布时间：2020-09-03

更多“听力原文：Experts say some farming activities are seriously damaging Earth's environment. B”相关的问题

第1题

听力原文：Natural disasters affect people at all levels. The experience can cause people to

听力原文： Natural disasters affect people at all levels. The experience can cause people to feel angry, helpless, and afraid.

Mental health experts are worried about children who experience a tragic event before they are eleven years of age. They say such children are three times more likely to develop mental problems than those who experience their first tragedy later in life.

Experts say children are better able to deal with a tragedy if parents, friends and other adults help them understand the experience. They say help should start as soon as possible after the event. Experts offer a number of suggestions about how to explain a tragedy to children. They say that how adults react to a child's feelings and questions is important to helping a child feel safe again.

First, experts say parents should try to control their reaction to the tragedy. Parents should remain as calm as possible. They say children will react to what they see.

Next, adults should help children feel secure. Listen to the worries children express, without judging them. Parents should talk to their children. Tell children repeatedly that they and other loved ones are safe. Also, family members need to gather in one area and spend more time together.

Some experts ask adults to limit their time with radio or television when children are present. Experts also suggest that parents return to their normal activities as soon as possible. They say people of all ages like to have an established way of doing things.

(30)

A．Helplessness.

B．Anger.

C．Fear.

D．Sorrow.

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第2题

听力原文：Experts on dyslexia say that the problem is not a disease. They say that persons

听力原文： Experts on dyslexia say that the problem is not a disease. They say that persons with dyslexia use information in a different way. One of the world's greatest thinkers and scientists named Albert Einstein was dyslexic. Dr Einstein said that he never thought in words the way that most of us do. He said that he thought in pictures instead. Other famous people who suffered from dyslexia include Leonardo Da Vinci, a celebrated Roman artist, Thomas Edison, a well-Known American inventor and a former American Vice president, Nelson Rockfeller.

Dyslexia was first recognized in Europe and then in the United States over 80 years ago. Many years passed before doctors discovered that people with this disorder were not mentally slow or disabled. The doctors found that the brains of dyslexia persons are rather different. In brains of most people, the left side, the part that controls language, is larger than the fight side. In the people with dyslexia, the right side of the brain is much bigger. However, research has shown that dyslexia is more common in men than in women, and it is also found more often in people who are left-handed.

(30)

A．The left-handed women.

B．The left-handed men.

C．Excellent female scientists or artists.

D．Some celebrated female presidents.

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第3题

听力原文：You may be all these things at the office, and more. But when it comes to getting

听力原文： You may be all these things at the office, and more. But when it comes to getting ahead, experts say, the ABCs of business should include a P, for politics, as in office politics.

Hard work alone doesn't ensure career advancement. You have to be able to sell yourself and your ideas, both publicly and behind the scenes. Yet, despite the obvious rewards of engaging in office politics --a better job, a raise, praise—many people are still unable or unwilling to "play the game."

People assume that office polities involve some tactful behaviors, but politics derive from the word "polite". It can mean communication and forming associations. It can mean being kind and helpful, or even trying to please your superior, and then expecting something in return.

In fact, today, experts define office politics as proper behavior. used to pursue one's own self-interest in the workplace. In many cases, this involves some form. of socializing within the office environment-- not just in large companies, but in small workplaces as well.

The first thing people are usually judged on is their ability, but if two or three candidates are up for a promotion, each of whom has reasonably similar ability, a manager is going to promote the person he or she likes best. It's simple human nature. Yet, psychologists say, many employees and employers have trouble with the concept of politics in the office. Some people, they say, have an idealistic vision of work and what it takes to succeed. Still others associate politics with flattery, fearful that, if they speak up for themselves, they may appear to be flattering their boos for favors. Experts suggest altering this negative picture by recognizing the need for some self-promotion.

(30)

A．The political views and beliefs of office workers.

B．The interpersonal relationships within a company.

C．The various qualities required for a successful career.

D．The code of behavior. for company staff.

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第4题

听力原文：The word "okay" is known and used by millions of people all over the world. Still

听力原文： The word "okay" is known and used by millions of people all over the world. Still, language experts do not agree on where it came from. Some say it came from Indian people. When Europeans first came to America, they heard hundreds of different Indian languages. Many were well developed. One tribe especially had a well developed language. They were farmers and fishermen who lived in the rich Mississippi valley in what is now the state of Alabama. When problems arose, the headers of this tribe discussed them with the tribal chief. They sat in a circle and listened to the wisdom of the chief. He heard the different proposals often raising and lowering his head in agreement, and saying, "okeh," meaning, "all is so". The Indian languages have given many words to English. Many American states have Indian names, and so do rivers, streams, mountains, cities and towns.

(30)

A．American Indian.

B．British people.

C．Europeans.

D．African people.

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第5题

听力原文：[29] Moods, say the experts, are feelings that are likely to be fixed, having eff

听力原文： [29] Moods, say the experts, are feelings that are likely to be fixed, having effects on one's outlook for hours, days, weeks or even years. That's great if your mood is a pleasant one, but it will be a problem if you are sad, anxious, angry or simply lonely.

Perhaps the best way to deal with such moods is to talk them out; sometimes, though, there is no one to listen. Modem pharmacy offers a lot of anti-anxiety drugs. [30]What many people don't realize, however, is that scientists have discovered the effectiveness of several non-drag methods to make you free from an unwanted mood. These can be just as useful as drags, and have the added benefit of being non-poisonous. So next time you feel out of sorts, don't head for the drug store—try the following method.

[30] Of all the mood-changing self-help techniques, aerobic exercise seems to be the best cure for a bad mood. "If you could keep the exercise, you'd be in high spirits," says Kathryn Lance, author of Running for Health and Beautv. Researchers have explained biochemical and various other changes that make exercise seem preferable to drags as a mood-raiser. Physical work such as housework, however, does little. [31] The key is aerobic exercise—running, cycling, walking, swimming, or other repetitive activities that increase the heart rate and circulation, and improve the consumption of oxygen. You may do them for at least 20 minutes a time, three to five times a week.

(30)

A．They affect one's way of looking at the world.

B．They make people feel lonely and unwanted.

C．They affect one's health condition.

D．They are addictive and hard to change.

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第6题

听力原文：Moods, say the experts, are feelings that are likely to be fixed, having effects

听力原文： Moods, say the experts, are feelings that are likely to be fixed, having effects on one's outlook for hours, days, weeks or even years. That's great if your mood is a pleasant one, but it will be a problem if you are sad, anxious, angry or simply lonely.

Perhaps the best way to deal with such moods is to talk them out; sometimes, though, there is no one to listen. Modem pharmacy offers a lot of anti-anxiety drugs. What many people don't realize, however, is that scientists have discovered the effectiveness of several non-drug methods to make you free from an unwanted mood. These can be just as useful as drugs, and have the added benefit of being non-poisonous. So next time you feel out of sorts, don't head for the drug store—try the following method.

Of all the mood-changing self-help techniques, aerobic exercise seems to be the best cure for a bad mood. "If you could keep the exercise, you'd be in high spirits," says Kathryn Lance, author of Running for Health and Beauty. Researchers have explained biochemical and various other changes that make exercise seem preferable to drugs as a mood-raiser. Physical work such as housework, however, does little. The key is aerobic exercise—running, cycling, walking, swimming, or other repetitive activities that increase the heart rate and circulation, and improve the consumption of oxygen. You may do them for at least 20 minutes a time, three to five times a week.

(30)

A．They affect one's way of looking at the world.

B．They make people feel lonely and unwanted.

C．They affect one's health condition.

D．They are addictive and hard to change.

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第7题

听力原文：For good or bad, computers are now part of our daily lives. With the price of a s

听力原文： For good or bad, computers are now part of our daily lives. With the price of a small home computer now being lower, experts predict that before long all schools and businesses and most families in the rich parts of the world will own a computer of some kind. Among the general public, computers amuse strong feelings--people either love them or hate them.

The computer lovers talk about how useful computers can rein business, in education and in the home--apart from all the games, you can do your accounts on them, use them to control your control heating, and in some places even do your shopping with them. Computers, they say, will also bring some leisure, as more and more unpleasant jobs are taken over by computerized robots.

The haters, on the other hand, argue that computers bring not leisure but unemployment. They worry, too, that people who spend all their time talking to computers will forget how to talk to each other. And anyway, they ask, what's wrong with going shopping and learning languages in classroom with real teachers？ But their biggest fear is that computers may eventually take over human, beings altogether.

(37)

A．Computers have become part of our daily lives.

B．Computers have advantages as well as disadvantages.

C．People have different attitudes to computers.

D．More and more families will own computers.

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第8题

听力原文：American colleges and universities consider a number of things about a student wh

听力原文： American colleges and universities consider a number of things about a student who wants to be admitted. Experts on the subject say the most important thing is the student's high school record. Admissions officers look not only at the grades that the student has earned. They also look at the level of difficulty of the classes.

A student's interests and activities may also play a part in getting accepted. But in most cases another consideration is how well the student did on college entrance exams. This week in our Foreign Student Series Program, we discuss two of these tests: the SAT and the ACT. Most American schools accept either one.

The SAT measures reasoning skills in mathematics and language. Students have almost four hours to complete the SAT. The newest part is an essay. Students have 25 minutes to write an answer to a question.

Students may also need to take SAT subject tests in areas like history, science and foreign language.

The ACT is an achievement test. It is designed to measure what a student has learned in school. Students are tested in mathematics, English, reading and science. A writing test is offered but not required. Without it, the ACT takes about three hours to complete. The essay part adds 30 minutes.

(33)

A．The grade of the ACT or the SAT.

B．The high school the applicant studied.

C．The high school record.

D．The entrance examination.

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第9题

听力原文：In 1968, the city of Philadelphia, Pennsylvania, had a problem. The city's school

听力原文： In 1968, the city of Philadelphia, Pennsylvania, had a problem. The city's school system needed a new school building and teachers but did not have the money to pay for this multi-million-dollar project. City officials solved the problem in a unique way. They decided to use the many scientific and cultural institutions in the city and the classrooms. Experts who worked in the various institutions would be the teachers. About 100 institutions in Philadelphia--public, private, and commercial--helped the Program. The experiment in education, known as the Parkway Program, began in February 1969. John Bremer, an Englishman and education innovator, planned the program and became its director. The Program had grown in size from 142 to 500 high school students and is so popular that thousands of applicants are denied places each year. The Program gives a freedom to high school education never known before. Besides basic courses required for a diploma--languages, history, science--students may choose from more than a hundred other courses. Any subject will be offered if an instructor can be found. Every group of 15 boys and girls belong to a "tutorial group", led by a teacher and one assistant. Students in the Program say that school is no longer a place but an interesting activity.

(33)

A．City officials.

B．Experts in various institutions.

C．Newly-graduated university students.

D．Some famous scientists.

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第10题

听力原文：Electronic devices are changing the way people listen to music. But studies show

the devices may be causing hearing loss in my people. Some experts say people may be playing them too loud and for too long.

Researchers from Zogby International did a study for the American Speech-Langusge-Hearing Association. It involved 300 high school students and 1,000 adults. They were asked about their use of portable music devices. Some of the most popular are Apple Computer's iPud, C.D. players and portable laptop computers. 40 percent of students and adults said they set the sound levels, or volume, at high on their iPods. But students were two times more likely to play the music at a very loud volume. More than half of the students said they would probably not limit their listening time. And about a third said they were not likely to reduce the volume.

The study found that more than half of the students and less than 40 percent of the adults had at least one kind of hearing loss. Heating experts say part of the problem is the listening equipment people are using. They say large earphones that cover the whole ear are probably safer than the smaller earplugs that come with most music players. Earplugs are thought to be less effective than earphones in blocking out foreign noises.

Hearing loss may not be apparent for years. But once it happens, it is permanent. About 30 million Americans have some hearing loss. One third of them lost their heating as a result of loud noises.

How can listening equipment cause hearing loss in people？

(33)

A．People may use portable laptop computers to listen to music.

B．People may set them at high volume when they listen to music.

C．People may listen to music while walking on the street.

D．People may use large earphone when they listen to music.

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