英语专四阅读模拟题(27)
专业英语四级(阅读)模拟试卷26(题后含答案及解析)

专业英语四级(阅读)模拟试卷26(题后含答案及解析) 题型有: 5. READING COMPREHENSIONPART V READING COMPREHENSION (25 MIN)Directions: In this section there are four passages followed by questions or unfinished statements, each with four suggested answers marked A, B, C and D. Choose the one that you think is the best answer.Every person plans to run off to some tropical isle, but few do. Real life, family, work, and monetary limitations get in the way. Ian Fleming let none of these considerations stop him. After the war, Fleming set down his schedule. The first week of January saw him leave England and travel to Jamaica. The first week of March saw his return. He accepted his job at Kemsley Newspapers without compromise—this portion of the year would be set aside for Jamaica or he would look elsewhere for employment. For 6 years Fleming traveled each winter to Jamaica, lounging in paradise, romancing women, chasing the sunset, but it was not until he faced the pressure of a married woman who was pregnant with his child did Fleming start the writer’s journey which would change his life and popular culture forever. As Fleming waited in Jamaica for Anne’s divorce to become final, he wrote the first draft of a novel, Casino Royale. Fleming’s career as a writer deserves more examination than can be offered here, but suffice it to say, over the next 12 years, Ian Fleming transformed his elite existence, his arrogance, his style, and his acid wit into some of the greatest thrillers ever written. Fleming incurred the respect of authors as diverse as Raymond Chandler, Kingsley Amis, and Edith Sitwell. His fans included John, Jackie, and Bobby Kennedy, and his social circle included Prime Minister Anthony Eden, Evelyn Waugh, and Somerset Maugham. Fleming filled out the 12 years of Bond with great adventure journalism. Even in stories which had little action or pay off, such as his short non-fiction book, The Diamond Smugglers, the “Fleming-flair”ensured exciting reading. He wrote the “Atticus”column for The Sunday Times, proving a wonderful conduit for inside intelligence information, and clever rebukes. Regardless of book sales or family obligations, Fleming managed to live the life he wanted. As the years passed, his passion for golfing increased so he took more time with it. Fleming’s long-term fascination with America grew, so he traveled there more often. Ian Fleming’s full life caught up with him through his heart. It may be that years of drinking and smoking took their toll, or that the butter-rich cooking Fleming loved was the culprit. Or maybe it was just genetics. Whatever the cause, Fleming’s health declined in the late 1950s. This plus anxieties in the marriage increased Fleming’s depression. With the success of Bond, the world came knocking at Fleming’s door, and he had a harder time shutting those out that he did not want in his life. Nonetheless, Fleming fought the loosing battle of his weakening heart by throwing more fuel on the fire. He continued to drink and smoke,making some excuses but not many. He wrote books he wanted to read, and traveled the world with style and authority. By this time, Fleming had already earned his own fortune, created his own identity, and ruled his own literary empire.1.According to the second paragraph, Fleming accepted the job offered by Kemsley NewspapersA.and had to give up his yearly holiday plan to Jamaica.B.because he was offered to work in Jamaica every winter.C.so that he wouldn’t have to look for employment elsewhere.D.on condition that he took two months off to Jamaica every year.正确答案:D解析:第2段最后一句破折号后的内容是Fleming接受Kemsley Newspapers 的工作的条件,破折号后的内容就是这个条件,D中的on condition that也表示基于某种条件去做一件事,D是对破折号后的内容的近义改写,因此为本题答案。
2023专四英语考试阅读题模拟练习

2023专四英语考试阅读题模拟练习2023专四英语考试阅读题模拟练习What we know of prenatal development makes allthis attempt made by a mother to mold the character of her unborn child by studying poetry, art, or mathematics during pregnancy seem utterly impossible. How could such extremely plex influences pass from the mother to the child? There is no connection between their nervous systems. Even the blood vessels of mother and child do not join directly. An emotional shock to the mother will affect her child, because it changes the activity of her glands and so the chemistry her blood. Any chemical change in the mother's blood will affect the child for better or worse. But we can not see how a looking for mathematics or poetic genius can be dissolved in blood and produce a similar liking or genius in the child.In our discussion of instincts we saw that there was reason to believe that whatever we inherit must beof some very simple sort rather than any plicated or very definite kind of behavior. It is certain that no one inherits a knowledge of mathematics. It may be, however, that children inherit more or less of arather general ability that we may call intelligence. If very intelligent children bee deeply interested in mathematics, they will probably make a success of that study.As for musical ability, it may be that what is inherited is an especially sensitive ear, a peculiar structure of the hands or the vocal organs connections between nerves and muscles that make it parativelyeasy to learn the movements a musician must execute, and particularly vigorous emotions. If these factors are all organized around music, the child may bee a musician. The same factors, in other circumstancemight be organized about some other center of interest. The rich emotional equipment might find expression in poetry. The capable fingers might develop skill in surgery. It is not the knowledge of music that is inherited, then nor even the love of it, but a certainbodily structure that makes it paratively easy to acquire musical knowledge and skill. Whether that ability shall be directed toward music or some other undertaking may be decided entirely by forces in the enviro____ent in which a child grows up.1. Which of the following statements is not true?A. Some mothers try to influence their unborn children by studying art and other subjects during their pregnancy.B. It is utterly impossible for us to learn anything about prenatal development.C. The blood vessels of mother and child do not join directly.D. There are no connection between mother's nervous systems and her unborn child's.2. A mother will affect her unborn baby on the condition that ____.A. she is emotionally shockedB. she has a good knowledge of inheritanceC. she takes part in all kind of activitiesD. she sticks to studying3. According to the passage, a child mayinherit____.A. everything from his motherB. a knowledge of mathematicsC. a rather general ability that we call intelligenceD. her mother's musical ability4. If a child inherits something from his mother, such as an especially sensitive ear, a peculiar structure of the hands or of the vocal organs, he will ____.A. surely bee musicianB. mostly bee a poetC. possibly bee a teacherD. bee a musician on the condition that all these factors are organized around music5. Which of the following is the best title for the passage?A. Role of Inheritance.B. An Unborn Child.C. Function of instincts.D. Inherited Talents参考答案:BACDA。
英语专业四级阅读理解模拟试题附答案解析

英语专业四级阅读理解模拟试题附答案解析英语专四阅读提分的技巧来源于多做练习,不仅是为了高质快速选择答案正确,更重要的是希望同学们能从阅读理解练习中分析文章的布局安排,作者的意图,换位思考自己在专四写作中会如何运用。
希望能对考生们有所帮助。
A study of art history might be a good way to learnmore about a culture than is possible to learn ingeneral history classes. Most typical history coursesconcentrate on politics, economics, and war. But arthistory focuses on much more than this because artreflects not only the political values of a people, butalso religious beliefs, emotions, and psychology. Inaddition, information about the daily activities of ourancestors—or of people very different from our own—can be provided by art. In short, artexpresses the essential qualities of a time and a place, and a study of it clearly offer us adeeper understanding than can be found in most history books.In history books, objective information about the political life of a country is presented; that is,facts about politics are given, but opinions are not expressed. Art, on the other hand, issubjective: it reflects emotions and opinions. The great Spanish painter Francisco Goya wasperhaps the-known painting The Third of May first truly “political” artist. In his well1808, hecriticized the Spanish government for its misuse of power overpeople. Over a hundred yearslater, symbolic images were used in Pablo Picasso’s Guernica to express the horror of war.Meanwhile, on another continent, the powerful paintings of Diego Rivera, Jose ClementeOrozco,and David Alfaro Siqueiros—as well as the works of AlfredoRamos Martines—depicted theseMexican artists’ deep anger and sadness about social problems.In the same way, art can reflect a culture’s religious beliefs. For hundreds of years in Europe,religious art was almost the only type of artthat existed. Churches and other religious buildingswere filled withpaintings that depicted people and stories from the Bible. Although mostpeople couldn’t read, they could still understand biblical stories inthe pictures on church walls.By contrast, one of the main characteristicsof art in the Middle East was (and still is) itsabsence of human and animal images. This reflects the Islamic belief that statues are unholy.1.More can be learned about a culture from a study of art historythan general history becauseart history__.A.show us the religious and emotions of a people in addition topolitical values.B.provide us with information about the daily activities of people inthe past.C.give us an insight into the essential qualities of a time and a place.D.all of the above.2.Art is subjective in that__.A.a personal and emotional view of history is presented through it.B.it can easily rouse our anger or sadness about social problems.C.it will find a ready echo in our hearts.D.both B and C.3.Which of the following statements is true according to the passage?A.Unlike Francisco Goya, Pablo and several Mexican artists expressed their political opinions intheir paintings.B.History books often reveal the compilers’ political views.C.Religious art remained in Europe for centuries the only type of art because most peopleregarded the Bible as the Holy Book.D.All the above mentioned.4.The passage is mainly discussing__.A.the difference between general history and art history.B.The making of art history.C.What can we learn from art.D.The influence of artists on art history.5.In may be concluded from this passage that__.A.Islamic artists have had to create architectural decorations with images of flowers orgeometric forms.B.History teachers are more objective than general history.C.It is more difficult to study art history than general history.D.People and stories from the Bible were painted on churches and other buildings in order topopularize the Bible.答案:DDDCA词汇讲解1. misuse 误用,滥用He felt misused by the company.他觉得公司对他使用不当。
最新专四模拟试题之阅读共30篇

专四模拟试题(阅读篇1)专四模拟试题(阅读篇1)Glacier National Park in Montana shares boundaries with Canada, an American Indian reservation, and a national forest. Along the North Fork of the Flathead River, the park also borders about 17,000 acres of private lands that are currently used for ranching, timber, and agriculture. This land is an important part of the habitat and migratory routes for several endangered species that frequent the park. These private lands are essentially the only ones available for development in the region.With encouragement from the park, local landowners initiated a land use planning effort to guide the future of the North Fork. The park is a partner in an inter local agreement that calls for resource managing agencies to work together and with the more than 400 private owners in the area. A draft plan has been prepared, with objective of maintaining traditional economic uses but limiting new development that would damage park resources. Voluntary action by landowners, in cooperation with the park and the county, is helping to restrict small lot subdivisions, maintain wildlife corridors, and minimize any harmful impact on the environment.The willingness of local landowners to participate in this protection effort may have been stimulated by concerns that congress would impose a legislative solution. Nevertheless, many local residents want to retain the existing character of the area. Meetings between park officials and landowners have led to a dramatically improved understanding of all concerns.1. The passage mainly discusses______.A. the endangered species in Glacier National ParkB. the protection of lands surrounding Glacier National ParkC. conservation laws imposed by the state of MontanaD. conservation laws imposed by Congress2. Why are the private lands surrounding Glacier National Park so important?A. They function as a hunting preserve.B. They are restricted to government use.C. They are heavily populated.D. They contain natural habitats of threatened species.3. The relationship between park officials and neighboring landowners may best be described as______.A. indifferentB. intimateC. cooperativeD. disappointing4. It can be inferred from the passage that a major interest of the officials of Glacier National Park is to______.A. limit land development around the parkB. establish a new park in MontanaC. influence national legislationD. settle border disputes with Canada答案解析:1. B) 这是一道主旨题。
英语专业四级阅读理解模拟练习

英语专业四级阅读理解模拟练习在英语专业四级考试中,阅读理解是一个重要的部分。
为了帮助大家更好地备考,本文将提供一份英语专业四级阅读理解模拟练习,希望能帮助大家提升阅读理解能力。
Passage OneQuestions 1-3 are based on the following passage.Tokyo, the capital of Japan, is a city that never sleeps. Its bustling streets, neon lights, and lively atmosphere make it a popular destination for tourists from all over the world. However, Tokyo is not just a city for sightseeing; it is also a major center for business, finance, and technology.1. What is Tokyo known for?2. What makes Tokyo a popular destination for tourists?3. Besides tourism, what other industries thrive in Tokyo?Passage TwoQuestions 4-6 are based on the following passage.Scientists have recently discovered a new species of bird in the Amazon rainforest. This small, brightly colored bird has a unique song and is only found in a small region in Brazil. The discovery of this bird is significant as it adds to the biodiversity of the rainforest and highlights the importance of conservation efforts.4. Where was the new bird species discovered?5. What is unique about this bird species?6. What is the significance of this discovery?Passage ThreeQuestions 7-9 are based on the following passage.The field of artificial intelligence (AI) is advancing rapidly. With the development of machine learning and deep learning algorithms, AI has made great strides in various industries, such as healthcare, finance, and transportation. AI has the potential to revolutionize these industries and greatly improve efficiency and accuracy.7. What is the current state of AI?8. How has AI impacted industries?9. What is the potential of AI in the future?Passage FourQuestions 10-12 are based on the following passage.Climate change is a pressing issue that affects the entire planet. Rising global temperatures, melting ice caps, and extreme weather events are just some of the consequences of climate change. It is crucial for individuals, communities, and governments to take action to mitigate the effects of climate change and transition to more sustainable practices.10. What are some of the consequences of climate change?11. Who should take action to address climate change?12. What measures can be taken to mitigate the effects of climate change?Passage FiveQuestions 13-15 are based on the following passage.The importance of lifelong learning cannot be overstated. In today's rapidly changing world, acquiring new knowledge and skills is crucial for personal and professional growth. Lifelong learning can be in the form of formal education, online courses, or self-directed study. It allows individuals to adapt to new challenges and stay relevant in their chosen fields.13. Why is lifelong learning important?14. What are some forms of lifelong learning?15. How does lifelong learning benefit individuals?以上是一份英语专业四级阅读理解模拟练习,希望能对大家的备考有所帮助。
2023年英语专四考试阅读备考练习题及答案

2023年英语专四考试阅读备考练习题及答案更多精彩内容请及时____应届毕业生考试网!Most of us are taught to pay attention to what is saidthe words. Words do provide us with some information, but meanings are derived from so many other sources that it would hinder our effectiveness as a partner to a relationship to rely too heavily on words alone. Words are used to describe only a small part of the many ideas we associate with any given message. Sometimes we can gain insight into some of those associations if we listen for more than words. We don't always say what we mean or mean what we say. Sometimes our words don't mean anything except “ I'm letting off some steam. I don't really want you to pay close attention to what I'm saying. Just pay attention to what I'm feeling.” Mostly we mean severa l things at once. A person wanting to purchase a house says to the current owner, “This step has to be fixed before I'll buy.” The owner says, “ It's been like that foryears.” Actually, the step hasn't been like that for years, but the unspoken message is: “ I don't want to fix it. We put up with it. Why can't you?” The search for a more expansive view of meaning can be developed of examining a message in terms of who said it, whenit occurred, the related conditions or situation, and how it was said.We would do well to listen for how messages are presented. The words, “If sure has been nice to have you over,” can be said with emphasis and excitement or ritualistically. The phrase can be said once or repeated several times. And the meanings we associate with the phrase will change accordingly. Sometimes if we say something infrequently it assumes more importance; sometimes the more we say something the less importance it assumes.A.they use proper words to carry their ideas.B.they both speak truly of their own feelings.C.they try to understand each other's ideas beyond words.D.they are capable of associating meaning withtheir words.2. “I'm letting off some steam” in paragraph 1 means___.A.I'm just calling your attention.B.I'm just kidding.C.I'm just saying the opposite.D.I'm just giving off some sound.3. The house-owner's exle shows that he actually means___.A.the step has been like that for years.B.he doesn't think it necessary to fix the step.C.the condition of the step is only a minor fault.D.the cost involved in the fixing should be shared.4. Some responses and behaviors may appear very illogical, but are justifiable if___.A.linked to an abnormal amount of assertiveness.B.seen as one's habitual pattern of behavior.C.taken as part of an ordering sequenceD.expressed to a series of charges.5. The word “ritualistically” in the last paragraph equals something done___.A.without true intention.B.light-heartedly.C.in a way of ceremony.D.with less emphasis.答案:DBABC。
专业英语四级模拟试卷27(题后含答案及解析)

专业英语四级模拟试卷27(题后含答案及解析)题型有:1. DICTATION 2. LISTENING COMPREHENSION 3. CLOZE 4. GRAMMAR & VOCABULARY 5. READING COMPREHENSION 6. WRITINGPART I DICTATION (15 MIN)Directions: Listen to the following passage. Altogether the passage will be read to you four times. During the first reading, which will be read at normal speed, listen and try to understand the meaning. For the second and third readings, the passage will be read sentence by sentence, or phrase by phrase, with intervals of 15 seconds. The last reading will be read at normal speed again and during this time you should check your work. You will then be given 2 minute 听力原文:Nearly everything we do in the modern world is helped or even controlled by computers. Computers are being used more and more extensively for the simple reason that they are far more efficient than human beings. They have much better memories and can store huge amounts of information. They can collect and analyze enormous numbers of facts very quickly. This makes them suitable for all kinds of work. They can pay wages, reserve seats on planes, control machines in factories. They can even play chess, write poetry, or compose music. But perhaps the most interesting applications will be for personal use. In some countries, modified television sets have been connected by telephone to a very large computer. Users dial a few numbers on the telephone to get information from the large computer such as schedules for airplanes, information from dictionaries, or weather forecasts. They can also use the computer to do complicated calculations and to play games.1.正确答案:Nearly everything we do in the modern world is helped or even controlled by computers. Computers are being used more and more extensively for the simple reason that they are far more efficient than human beings. They have much better memories and can store huge amounts of information. They can collect and analyze enormous numbers of facts very quickly. This makes them suitable for all kinds of work. They can pay wages, reserve seats on planes, control machines in factories. They can even play chess, write poetry, or compose music. But perhaps the most interesting applications will be for personal use. In some countries, modified television sets have been connected by telephone to a very large computer. Users dial a few numbers on the telephone to get information from the large computer such as schedules for airplanes, information from dictionaries, or weather forecasts. They can also use the computer to do complicated calculations and to play games.PART II LISTENING COMPREHENSION (20 MIN)Directions: In Sections A, B and C you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. Mark the correct answer to each question on youranswer sheet.SECTION A CONVERSATIONSDirections: In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow.听力原文:F: Doctor Smith, today I’d like to ask you about the fact of lying of doctors.M: It’s actually quite common in this field.F: Can you give me an example?M: Well, one of the patients, he came in for a routine physical checkup just before going on vacation with his family. Though he feels in perfect health, we’ve found that he has a form of cancer that will cause him to die within six months. He is only 46 years old!F: Poor thing. Does he know it?M: No. And that’s worrying me. I mean it’s best to let him know. But there is also the need to conceal this brutal news, or at 1 east we should conceal the truth until after the family vacation.F: What do you usually do under such circumstances?M: We often see important reasons to lie for the patient’s own sake; in our eyes, such lies differ from self-serving ones. We doctors sincerely believe that the seriously ill people do not want to know the truth about their condition, and informing them risks destroying their hope, so that they recover more slowly, or deteriorate faster, perhaps even commit suicide.F: But isn’t this sometimes dangerous? I mean dying patients especially can’t make decisions about the end of life: about whether or not they should enter a hospital, or have surgery; about where and with whom they should spend their remaining time; about how they should bring their affairs to a close and take leave.M: What you’ve said, I admit, is also reasonable. But not only in medicine, but in other professions like in law, government, or the social sciences as well, people may find themselves repeatedly in difficulty where serious consequences seem avoidable only through deception.2.What is not true about the patient mentioned in the beginning?A.He came in for a routine physical checkup.B.He is going on vacation with his family.C.He feels in perfect health.D.He is only 36 years old!正确答案:D解析:原文中有“He is only 46 years old!”一句,可判断D项错误。
专四模拟试题-阅读篇(附答案详解).doc

As the merchant class expanded in the eigh teent h 拟century Nor th American Colonies, the silversmith and the coppersmith businesses rose to serve it. Only a few silversmiths were available in New York or Boston in the late seventeenth century, but in the eighteenth century they could be found in all major colonial cities. No other colonial artisans rivaled the silversmiths‘ prestige. They handled the most expensive materials and possessed direct cormections to prosperous colonial merchants. Their products, primaril)^ silver plates and bowls, reflected their exalted status and testified to their customers' prominence. Silver stood as one of the surest ways to store wealth at a time before neighborhood banks existed. Unlike the silver coins from which they were made, silver articles were readi1y identifiable. Often formed to individual specifications, they always carried the silversmith, s distinctivc markings and consequently could be traced and retrieved. Customers generally secure the silver for the silver object they ordered. They saved coins, took them to smiths, and discussed the type of pieces they desired. Silversmiths complied with these requests by melting the money in a smal 1 furneicc, adding a bit of copper to form a stronger alloy, and casting the alloy in rectemgular blocks. They hammered these ingots to the appropriate thickness by hand, shaped them and pressed designs into them for adornment. Engraving was also done by hand. In addition to plates and bowls, some customers sought more intricate products, such as silver teapots. These were made by shaping or casting parts separatcly and then soldering them together. Colonial coppersmithing also come of age in the early eighteenth century and prospered in northern cities. Copper" s ability to conduct heat efficiently and to resist corrosion contributed to its attractiveness. But because it was expensive in colonial America, coppersmiths were ncver very numcrous. Virtually all copper worked by Smiths was imported as sheets or obtained by recycling old copper goods. Copper was used for practical items, but it was not admired for its beauty. Coppersmiths employed it to fashion pots and kettles for the home. They shaped it in much the same memner as si 1 ver or melted it in a foundry with lead or tin. They also mixed it with zinc to make brass for maritimc and scientific instruments.1.According to the passage, which of the following eighteenth century developments had strong impact on si 1versmiths?A. A decrease in the cost of silver.B.The invention ofheat efficient furnaces.C.The growing economic prosperity of colonial merchants.D.The development of new tools used to shape silver.2.Tn colonial America, where did silversm iths usual ly obt ain the mat erial to make silver articles?A.From their own mines.B.From importers.C.From other si 1versmiths.D.From customers.3.The passage mentions all of the following as uses for copper in Colonial America EXCEPTA.cooking potsB.scicntific instrumentsC.musical instrumentsD.maritime instruments4.According to the passage, silversmiths and coppersmiths in colonial America were similar in which of the fol lowing ways?A.The amount of social prestige they had.B.The way they shaped the metal they worked with.C.The cost of the goods they made.D.The practicality of the goods they made.1.C)根据文章第一句"As the merchant class expanded in the eighteenth 拟century North American Colonics,...”可知,随着在十八世纪的北美殖民地商人阶级膨胀起来,也就是说那时的商人财富有了很大的发展,银匠铜匠们有机会发挥他们的专长了,这与选项C正好相符。
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英语专四阅读模拟题(27)
Recent research has claimed that an excess of positive ions
in the air can have an ill effect on people’s physical or psychological health. What are positive ions? Well, the air is full
of ions, electrically charged particles, and generally there is a rough balance between the positive and the negative charged. But sometimes this balance becomes disturbed and a larger proportion of positive ions are found. This happens naturally before thunderstorm, earthquakes when winds such as the Mistral, Hamsin or Sharav are blowing in certain countries. Or it can be caused by a build-up of static electricity indoors from carpets or clothing made of man-made fibres, or from TV sets, duplicators or computer display screens.
When a large number of positive ions are present in the air many people experience unpleasant effects such as headaches, fatigue, irritability, and some particularly sensitive people suffer nausea or even mental disturbance. Animals are also affected, particularly before earthquakes, snakes have been observed to come out of hibernation, rats to flee from their burrows, dogs howl and cats jump about unaccountably. This has led the US Geographical Survey to fund a network of volunteers to watch animals in an effort to foresee such disasters before they hit vulnerable areas such as California.
Conversely, when large numbers of negative ions are present, then people have a feeling of well-being. Natural conditions that produce these large amounts are near the sea, close to waterfalls or fountains, or in any place where water is sprayed, or forms a spray. This probably accounts for the beneficial effect of a holiday by the sea, or in the mountains with tumbling streams or waterfalls.
To increase the supply of negative ions indoors, some scientists recommend the use of ionisers: small portable machines, which generate negative ions. They claim that ionisers not only clean and refresh the air but also improve the health of people sensitive to excess positive ions. Of course, there are the detractors, other scientists, who dismiss such claims and are skeptical about
negative/positive ion research. Therefore people can only make up their own minds by observing the effects on themselves, or on others, of a negative rich or poor environment. After all it is debatable whether depending on seismic readings to anticipate earthquakes is more effective than watching the cat.
1.What effect does exceeding positive ionization have on some people?
A.They think they are insane.
B.They feel rather bad-tempered and short-fussed.
C.They become violently sick.
D.They are too tired to do anything.
2.In accordance with the passage, static electricity can be caused by___.
ing home-made electrical goods.
B.wearing clothes made of natural materials.
C.walking on artificial floor coverings.
D.copying TV programs on a computer.
3.A high negative ion count is likely to be found___.
A.near a pound with a water pump.
B.close to a slow-flowing river.
C.high in some barren mountains.
D.by a rotating water sprinkler.
4.What kind of machine can generate negative ions indoors?
A.Ionisers.
B.Air-conditioners.
C.Exhaust-fans
D.Vacuum pumps.
5.Some scientists believe that___.
A.watching animals to anticipate earthquakes is more effective than depending on seismography.
B.the unusual behavior of animals cannot be trusted.
C.neither watching nor using seismographs is reliable.
D.earthquake。