职称英语考试精选试题及答案(2015年理工类)

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2015职称英语考试真题及答案(理工类B级)

2015职称英语考试真题及答案(理工类B级)

2015年职称英语理工类B级考试真题第一部分:词汇选项1.The organization was bold enough to face the press.A.pleasedB.powerfulC.braveD.sensible参考答案:C2.I will not tolerate that sort of behavior in my class.A.acceptB.controlC.observeD.regulate参考答案:A3.I realized to my horror that I had forgotten the present.A.limitB.fearC.powerD.fool参考答案:B4.Most people find rejection hard to accept.A.excuseB.clientC.destinyD.refusal参考答案:D5.She's extremely competent and industrious.A.hardworkingB.honestC.objectiveD.independent参考答案:A6.The doctors did not reveal the truth to him.A.hideB.handleC.discloseD.establish参考答案:C7.He tried to assemble his thoughts.A.clearB.shareC.gatherD.spare参考答案:C8.The law carries a penalty of up to three years in prison.A.messageB.punishmentC.guiltD.obligation参考答案:B9.Prisoners were kept in the most appalling conditions.A.flexibleB.terribleC.reasonableD.serious参考答案:B10.These products are inferior to those we brought last year.A.poorer thanB.narrower thanrger thanD.richer than参考答案:A11.The political situation in the region has deteriorated rapidly.A.improvedB.changedC.worsenedD.developed参考答案:C12.There was a simultaneous trial taking place in the next building.A.coexistingB.fairC.fullD.pubic参考答案:A13.They're petitioning for better facilities for the disabled on public transport.A.requestingB.planningC.preparingD.looking参考答案:A14.He said some harsh words about his brother.A.unkindB.properC.normalD.unclear参考答案:A15.We were attracted by the lure of quick money.A.amountB.supplyC.sumD.temp参考答案:D第二部分:阅读判断下面的短文后列出了7个句子,请根据短文的内容对每个句子作出判断:如果该句提供的是正确信息,请选择A;如果该句提供的是错误信息,请选择B;如果该句的信息文中没有提及,请选择C.(第16—22题,每题1分,共7分)ADHD Linked to Air PollutantsChildren have an increased of attention problems,seen as early as grade school.If their noses inhaled(吸入)a certain type of air pollution when they were pregnant.That's the finding of a new study.Released when things aren't burned completely,this pollution is known as polycyclic aromatic hydrocarbons,or PAHs.The biggest sources of these PAHs:the burning of fossil fuels,wood and trash.Frederica Perera works at Columbia University's Mailman School of Public Health is New York City.She researches how exposure to things in the environment affects children's health in a new study,she and her team studied the exposure to air pollution of 233 nonsmoking pregnant women in New York City.Because burning tobacco can spew(排放)PAHs into the air and lungs,Perera's team focused on nonsmokers.The researchers wanted to probe(探查)other sources of PAHs,ones that's would have been hard for an individual to avoid.The team started by testing the blood of each woman during pregnancy.The reason Any PAHs in a woman's blood would also be available to the baby in her womb.Nine years later,the researchers investigated signs of attention problems in those children,now age 9.They asked each child's mother a series of questions.These included whatever her child had problems doing things that needed sustained(长期的)mental effort,such as homework or games with friends.The scientists also asked if the kids had trouble following instructions or made frequent,careless mistakes.All of these can be symptoms of a disorder called Attention Deficit Hyperactivity Disorder,or ADHD.About one in U.S.children has ADHD.Among the women studied,traffic and home heating were the primary sources of air pollution exposure,Perera and her team suspect.Some of these women had low levels of PAHs in their blood.Ohters had high levels.Those with high levels were five times as likely to have children who showed attention problems by age 9.The new findings were published November 5 in the journal PLOS ONE.16.Perera and her team chose nonsmoking pregnant women all over America.A.RightB.WrongC.Not mentioned参考答案:B17.The main purpose of the research was to find out how exposure to PAHs played a role in harming the subjects'physical health.A.RightB.WrongC.Not mentioned参考答案:B18.Nonsmoking mothers were selected because the effect of smoking on PAHs was unclear.A.RightB.WrongC.Not mentioned参考答案:B19.The blood of each woman was tested once a month during pregnancy.A.RightB.WrongC.Not mentioned参考答案:C20.Kids with ADHD commonly fail in school.A.RightB.WrongC.Not mentioned参考答案:C21.The women with high levels of PAHs in their blood were more likely to have kids with ADHD.A.RightB.WrongC.Not mentioned参考答案:A22.Traffic and home heating were considered to be the biggest sources of PAHs for the subjects in the research.A.RightB.WrongC.Not mentioned参考答案:A第三部分:概括大意与完成句子下面的短文后有2项测试任务:(1)第23—26题要求从所给的6个选项中为指定段落每段选择1个标题;(2)第27—30题要求从所给的6个选项中为每个句子确定一个最佳选项。

职称英语考试理工类(C级)考试真题及答案解析

职称英语考试理工类(C级)考试真题及答案解析
16. The San Francisco area is located above several active fault lines.
A.right
B.wrong
C.not mentiond
17.The 1906 earthquake in San Francisco is the most severe one in American history.
A.excited
B.angry
C.lost
D.surprised
14.The police took fingerprints andidentifiedthe body.
A.recognized
B.missed
C.discovered
D.touched
15.If we lcave now, we shouldmissthe traffic.
【经典资料,WORD文档,可编辑修改】
【经典考试资料,答案附后,看后必过,WORD文档,可修改】
2015年职称英语考试理工类(C级)考试真题及答案解析
第1部分:词汇选项(第1~15题,每题1分,共15分)
下面每个句子中均有1个词或短语划有底横线,请为每处划线部分确定1个意义最为接近的选项。
1.The company has the right toendhis employment at any time.
A.fight
B.wrong
C.not mentioned
18.The highest speed of fault ruptures in the 1906 quake was more than 3.5 kilometers per second

2015年职称英语理工类B级考试真题

2015年职称英语理工类B级考试真题

2015年职称英语理工类B级考试真题第一部分:词汇选项1.The organization was bold enough to face the press.A.pleasedB.powerfulC.braveD.sensible参考答案:C2.I will not tolerate that sort of behavior in my class.A.acceptB.controlC.observeD.regulate参考答案:A3.I realized to my horror that I had forgotten the present.A.limitB.fearC.powerD.fool参考答案:B4.Most people find rejection hard to accept.A.excuseB.clientC.destinyD.refusal参考答案:D5.She's extremely competent and industrious.A.hardworkingB.honestC.objectiveD.independent参考答案:A6.The doctors did not reveal the truth to him.A.hideB.handleC.discloseD.establish参考答案:C7.He tried to assemble his thoughts.A.clearB.shareC.gatherD.spare参考答案:C8.The law carries a penalty of up to three years in prison.A.messageB.punishmentC.guiltD.obligation参考答案:B9.Prisoners were kept in the most appalling conditions.A.flexibleB.terribleC.reasonableD.serious参考答案:B10.These products are inferior to those we brought last year.A.poorer thanB.narrower thanrger thanD.richer than参考答案:A11.The political situation in the region has deteriorated rapidly.A.improvedB.changedC.worsenedD.developed参考答案:C12.There was a simultaneous trial taking place in the next building.A.coexistingB.fairC.fullD.pubic参考答案:A13.They're petitioning for better facilities for the disabled on public transport.A.requestingB.planningC.preparingD.looking参考答案:A14.He said some harsh words about his brother.A.unkindB.properC.normalD.unclear参考答案:A15.We were attracted by the lure of quick money.A.amountB.supplyC.sumD.temp参考答案:D第二部分:阅读判断下面的短文后列出了7个句子,请根据短文的内容对每个句子作出判断:如果该句提供的是正确信息,请选择A;如果该句提供的是错误信息,请选择B;如果该句的信息文中没有提及,请选择C.(第16—22题,每题1分,共7分)ADHD Linked to Air PollutantsChildren have an increased of attention problems,seen as early as grade school.If their noses inhaled(吸入)a certain type of air pollution when they were pregnant.That's the finding of a new study.Released when things aren't burned completely,this pollution is known as polycyclic aromatic hydrocarbons,or PAHs.The biggest sources of these PAHs:the burning of fossil fuels,wood and trash.Frederica Perera works at Columbia University's Mailman School of Public Health is New York City.She researches how exposure to things in the environment affects children's health in a new study,she and her team studied the exposure to air pollution of 233 nonsmoking pregnant women in New York City.Because burning tobacco can spew(排放)PAHs into the air and lungs,Perera's team focusedon nonsmokers.The researchers wanted to probe(探查)other sources of PAHs,ones that's would have been hard for an individual to avoid.The team started by testing the blood of each woman during pregnancy.The reason Any PAHs in a woman's blood would also be available to the baby in her womb.Nine years later,the researchers investigated signs of attention problems in those children,now age 9.They asked each child's mother a series of questions.These included whatever her child had problems doing things that needed sustained(长期的)mental effort,such as homework or games with friends.The scientists also asked if the kids had trouble following instructions or made frequent,careless mistakes.All of these can be symptoms of a disorder called Attention Deficit Hyperactivity Disorder,or ADHD.About one in U.S.children has ADHD.Among the women studied,traffic and home heating were the primary sources of air pollution exposure,Perera and her team suspect.Some of these women had low levels of PAHs in their blood.Ohters had high levels.Those with high levels were five times as likely to have children who showed attention problems by age 9.The new findings were published November 5 in the journal PLOS ONE.16.Perera and her team chose nonsmoking pregnant women all over America.A.RightB.WrongC.Not mentioned参考答案:B17.The main purpose of the research was to find out how exposure to PAHs played a role in harming the subjects'physical health.A.RightB.WrongC.Not mentioned参考答案:B18.Nonsmoking mothers were selected because the effect of smoking on PAHs was unclear.A.RightB.WrongC.Not mentioned参考答案:B19.The blood of each woman was tested once a month during pregnancy.A.RightB.WrongC.Not mentioned参考答案:C20.Kids with ADHD commonly fail in school.A.RightB.WrongC.Not mentioned参考答案:C21.The women with high levels of PAHs in their blood were more likely to have kids with ADHD.A.RightB.WrongC.Not mentioned参考答案:A22.Traffic and home heating were considered to be the biggest sources of PAHs for the subjects in the research.A.RightB.WrongC.Not mentioned参考答案:A第三部分:概括大意与完成句子下面的短文后有2项测试任务:(1)第23—26题要求从所给的6个选项中为指定段落每段选择1个标题;(2)第27—30题要求从所给的6个选项中为每个句子确定一个最佳选项。

2015职称英语理工类A真题及答案

2015职称英语理工类A真题及答案

第1部分:词汇选项(第1~15题,每题1分,共15分) 下⾯每个句⼦中均有1个词或短语划有底横线,请为每处划线部分确定1个意义最为接近的选项。

1. I will not tolerate that sort of behavior in my class.A. controlB. observeC. regulateD. accept 2. She showed a natural aptitude for the work.A. senseB. talentC. flavorD. taste 3. Most people find rejection hard to accept.A. excuseB. clientC. refusalD. destiny 4. The organization was bold enough to face the press.A. pleasedB. powerfulC. braveD. sensible 5. They were locked in mortal combat.A. deadlyB. openC. actualD. active 6. We were attracted by the lure of quick money.A. amountB. supplyC. temptD. sum 7. The procedures were perceived as complex and less transparent.A. clearB. necessaryC. specialD. correct 8. The Stock Exchange is in turmoil following a huge wave of selling.A. ServiceB. dangerC. disorderD. threat 9. He believes that Europe must change or it will perish.A. surviveB. lastC. dieD. move 10. There was a simultaneous trial taking place in the next build.A. fairB. full C .coexisting D. public 11. They promote assimilation of ethnic groups into the main-stream culture.A. policyB. value C .equality D. integration 12. A salesman’s cardinal rule is to satisfy customers.A. principalB. officialC. simpleD. legal 13. I must compliment you on your handling of a very difficult situationA. silenceB. praise C .assure D. complain 14. We lived for years in a perpetual state of fearA. emotionalB. nervousC. terribleD. Continuous 15. The starving children were a pathetic sight.A. commonB. unexpectedC. unforgettableD. pitiful 第2部分:阅读判断(第16~22题,每题l分,共7分) 下⾯的短⽂后列出了7个句⼦,请根据短⽂的内容对每个句⼦做出判断:如果该句提供的是正确信息,请选择A;如果该句提供的是错误信息,请选择B;如果该句的信息⽂中没有提及,请选择C。

2015职称英语理工类a级考试真题及答案

2015职称英语理工类a级考试真题及答案

2015职称英语理工类a级考试真题及答案2015年职称英语理工类A级考试真题及答案Part I Reading ComprehensionSection ADirections: In this section, there are four passages followed by questions or incomplete statements. For each of them, there are four choices marked A, B, C and D. Choose the one that best completes the statement.Passage 1Questions 1 to 5 are based on the following passage:When it comes to eco-friendly homes, cost and energy efficiency remain top priorities for most people. However, the benefits of a sustainable living environment extend far beyond just these two factors. In the past few years, a new trend has emerged that focuses on creating healthy indoor spaces that enhance both physical and mental well-being.Indoor air quality, natural lighting, and building materials are key elements that contribute to the overall healthfulness of a home. Homes with low levels of indoor pollutants can reduce the risk of respiratory diseases and allergies, while exposure tonatural light can improve mood and alertness. Additionally, choosing natural and non-toxic building materials can further enhance the well-being of the occupants.1. The main idea of the passage is__________.A. c ost and energy efficiency are the top priorities foreco-friendly homesB. sustainable living environments benefit people’s physical and mental healthC. i ndoor air quality is the most important factor for a healthy homeD. healthy indoor spaces are expensive to createAnswer: B2. According to the passage, which of the following is NOT mentioned as contributing to the overall healthfulness of a home?A. I ndoor air qualityB. Natural lightingC. S oundproofingD. Building materialsAnswer: C3. What can exposure to natural light do for occupants of a home?A. R educe the risk of respiratory diseasesB. Increase the risk of allergiesC. I mprove mood and alertnessD. Decrease energy efficiencyAnswer: C4. What is one way to enhance the well-being of a home’s occupants?A. C hoose natural and non-toxic building materialsB. Use synthetic materials in constructionC. I nstall artificial lightingD. Increase indoor pollutantsAnswer: A5. Which of the following best describes the new trend in sustainable living environments mentioned in the passage?A. F ocusing on cost and energy efficiencyB. Creating healthy indoor spaces for physical and mental well-beingC. U sing artificial lightingD. Not considering indoor air qualityAnswer: BSection BDirections: In this section, you are going to read a passage with ten statements attached to it. Each statement contains information given in one of the paragraphs. Identify the paragraph from which the information is derived. You may choose a paragraph based on the content of the statement. Each paragraph may be chosen once.Passage 2Questions 6 to 10 are based on the following passage:The coffee industry has been a major player in the global economy for centuries. From its origins in Africa to its widespread consumption around the world today, coffee has become an integral part of many cultures. However, recent concerns about the environmental impact of coffee production have raised questions about the sustainability of the industry.6. Coffee has been consumed globally for many centuries.7. Concerns about the environmental impact of coffee production have emerged recently.8. The coffee industry has a long history dating back to Africa.9. Coffee production has become a major economic force around the world.10. The sustainability of the coffee industry is being questioned due to environmental concerns.Answer: 3Part II Vocabulary and StructureSection ADirections: Choose the correct answer to complete each of the following sentences.11. The teacher usually______ her students________a lot of homework.A. gives, tooB. gives, withC. gives, too manyD. gives, a lot ofAnswer: C12. By the time Tom_________ the station, the train had already left.A. had reachedB. reachedC. was reachingD. reachesAnswer: A13. The company is planning _______ a new product line next year.A. launchingB. to launchC. launchedD. launchAnswer: B14. Everyone was surprised by the sudden______ of the storm.A. breakB. strikeC. pauseD. hitAnswer: D15. I’d like to ______ a table for two for this evening, please.A. bookB. reserveC. orderD. reserveAnswer: BSection BDirections: Complete the following sentences with the correct form of the word in brackets.16. The company is______ a new marketing campaign to attract customers. (launch)17. We had to ______ our plans due to the bad weather. (revise)18. The______ system in this building is very inefficient. (heat)19. The new manager has brought a lot of______ to the company. (innovate)20. She is very______ about starting her own business. (enthusiasm)Answer: 16. launching17. revise18. heating19. innovation20. enthusiasticPart III Reading ComprehensionDirections: In this section, there are four passages followed by questions or incomplete statements. Read the passage and choose the best answer to each question.Passage 3Questions 21 to 25 are based on the following passage:One of the biggest challenges facing the technology industry today is cybersecurity. With the increasing amount of data being stored online and the rise of cyber attacks, companies must take steps to protect their information and systems.Cybersecurity professionals play a crucial role in safeguarding sensitive data and preventing security breaches.21. What is the biggest challenge facing the technology industry today?A. Technological advancementsB. CybersecurityC. Data storageD. Cyber attacksAnswer: B22. Why do companies need to protect their information and systems?A. To prevent technological advancementsB. To increase data storageC. To safeguard sensitive dataD. To encourage cyber attacksAnswer: C23. What role do cybersecurity professionals play in the industry?A. Creating security breachesB. Safeguarding sensitive dataC. Increasing cyber attacksD. Preventing data storageAnswer: B24. What must companies do to protect their information and systems?A. Increase data storageB. Safeguard sensitive dataC. Prevent security breachesD. Encourage technological advancementsAnswer: C25. According to the passage, what is on the rise in the technology industry?A. Technological advancementsB. CybersecurityC. Data storageD. Cyber attacksAnswer: DPart IV WritingSection ADirections: In this section, you are going to write an essay on the importance of lifelong learning. Write at least 150 words.Lifelong learning is essential in today’s rapidly changing world. With advances in technology and globalization, the skills and knowledge required for success are constantly evolving. In order to stay competitive in the workforce, individuals must continue to learn and adapt throughout their careers. Lifelong learning not only enhances one’s job prospects but also contributes to personal development and fulfillment.Furthermore, lifelong learning allows individuals to stay updated on new developments in their field and remain relevant in a rapidly changing environment. By seeking out opportunities for continuous learning, individuals can adapt to new challenges and take advantage of emerging trends. Lifelong learning also fosters creativity and innovation, as individuals are exposed to new ideas and perspectives.In conclusion, lifelong learning is an invaluable asset in today’s fast-paced world. By committing to continuouslearning, individuals can enhance their skills, stay relevant in the workforce, and lead more fulfilling lives. Investing in lifelong learning is a positive step towards personal and professional growth.Section BDirections: Translate the following sentences into English.26. 我们必须采取措施保护环境,防止进一步的破坏。

2015职称英语理工类a级考试真题及答案

2015职称英语理工类a级考试真题及答案

2015职称英语理工类a级考试真题及答案2015 Professional Title English Test for Science and Engineering Class A LevelSection I Use of EnglishDirections: Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C, or D on the ANSWER SHEET. (10 points)In cities, millions of people live _____1_____ close together, yet most of them ____2___ have no close friends. This means there are more lonely people than ever before. Many of them are elderly. They used to see friends nearby every day, but now they are lucky if they see them ____3____ few times a year.How is it that ____4___ people come to be so lonely? There are many reasons. Work, for example, is important for most people. Very often, to be successful, one has to go to live where the best job is. So, ____5___ of us have to move away from friends and family to live and to work.There are probably more lonely people living in ____6____ than anywhere else in the world. The reason for this is that in cities people live close together, but know little about each other.People who live in the ____7____ street or block of flats may never have ____8____ person who lives only a few doors away.School teachers have a lot to do with this ____9____, the first thing they need to do is to get children to realize that perhaps the ____10___ friend is the one that is nearest to them.1. A. so B. as C. very D. rather2. A. however B. nor C. yet D. but3. A. a B. two C. couple D. a4. A. such B. as C. these D. that5. A. some B. few C. many D. a lot6. A. cities B. towns C. villages D. countries7. A. the same B. identical C. different D. similar8. A. knows B. known C. know D. knowing9. A. problem B. activity C. situation D. fact10. A. most B. best C. near D. nextSection II Reading ComprehensionDirections: There are three passages in this section. Each passage is followed by some questions or unfinished statements.For each of them there are four choices marked A, B, C, and D. Choose the one that best completes the statement or answers the question. (30 points)Passage OneQuestion 11 to 15 are based on the following passage:In 13th-century England, the Black Death was responsible for the deaths of millions of people. This plague was carried by fleas on the backs of ________ and was spread in the streets of London. Ships arriving from foreign ________ also helped to spread the disease. The situation was made even worse because dead bodies lay rotting in the ________ and people were too terrified to go outside. The streets were ________ with refuse and filth.11. A. rats B. dogs C. cats D. mice12. A. cities B. villages C. towns D. countries13. A. waters B. fields C. streets D. hills14. A. clean B. filled C. packed D. stuffed15. A. A. thing B. something C. everything D. nothingPassage TwoQuestion 16 to 20 are based on the following passage:Scientists are working on a new process to turn ________ into a soft and flexible fabric. The plastic bags used to wrap food in supermarkets are made from ________. At present, most of them are thrown away even though they are non-biodegradable. A company in the United States hopes to ________ them into carpets and sleeping bags. They will be soft and suitable for use in houses ________ the edges will be bound with fabric.16. A. planks B. bottles C. metals D. glasses17. A. cotton B. plastic C. leather D. nylon18. A. make B. put C. spin D. drop19. A. so B. however C. whereas D. but20. A. beside B. although C. because D. althoughPassage ThreeQuestion 21 to 25 are based on the following passage:More and more people in Europe are suffering from health problems such as heart disease and ________ because they eat too much ________ food. Doctors have given advice on how to ________ a diet to save one from developing such diseases. They say we should eat more ________ and less fatty food.21. A. lungs B. stomachs C. skins D. hands22. A. cooked B. raw C. good D. delicious23. A. find B. suggest C. include D. increase24. A. fish B. bread C. cheese D. butter25. A. just B. after C. even D. onlySection III TranslationDirections: Translate the following sentences from English into Chinese. Write your translation on the ANSWER SHEET. (10 points)26. You must be aware of the limitations of your abilities.27. The old man was struck dead by a passing car.28. The audience was impressed by the young singer's performance.29. They have put off the meeting until next week.30. Please inform me of the result as soon as possible.Section IV WritingDirections: For this part, you are allowed 30 minutes to write a composition on the topic My Favorite Hobby. You should write at least 150 words following the outline given below in Chinese:1. 我最喜爱的爱好是什么。

2015职称英语(理工A)真题及答案(完整文字版)2015年4月2日发布

2015职称英语(理工A)真题及答案(完整文字版)2015年4月2日发布

2015年职称英语考试《理工A》真题及答案(完整文字版) 第1部分:词汇选项(第1~15题,每题1分,共15分)下面每个句子中均有1个词或短语划有底横线,请为每处划线部分确定1个意义最为接近的选项。

1. I will not tolerate that sort of behavior in my class.A. controlB. observeC. regulateD. Accept【答案】D2. She showed a natural aptitude for the work.A. senseB. talentC. flavorD. Taste【答案】B3. Most people find rejection hard to accept.A. excuseB. clientC. refusalD. Destiny【答案】C4. The organization was bold enough to face the press.A. pleasedB. powerfulC. braveD. Sensible【答案】C5. They were locked in mortal combat.A. deadlyB. openC. actualD. Active【答案】A6. We were attracted by the lure of quick money.A. amountB. supplyC. temptD. Sum【答案】C7. The procedures were perceived as complex and less transparent.A. clearB. necessaryC. specialD. Correct【答案】A8. The Stock Exchange is in turmoil following a huge wave of selling.A. ServiceB. dangerC. disorderD. threat【答案】C9. He believes that Europe must change or it will perish.A. surviveB. lastC. dieD. Move【答案】C10. There was a simultaneous trial taking place in the next build.A. fairB. full C .coexisting D. Public【答案】C11. They promote assimilation of ethnic groups into the main-stream culture.A. policyB. value C .equality D. Integration【答案】D12. A salesman’s cardinal rule is to satisfy customers.A. principalB. officialC. simpleD. Legal【答案】A13. I must compliment you on your handling of a very difficult situationA. silenceB. praise C .assure D. Complain【答案】B14. We lived for years in a perpetual state of fearA. emotionalB. nervousC. terribleD. Continuous【答案】D15. The starving children were a pathetic sight.A. commonB. unexpectedC. unforgettableD. Pitiful【答案】D第2部分阅读判断Lackof Oxygen Delayed the Rise of Animals on EarthScientistshave long speculated as to why animal species didn’t flourish sooner, oncesufficient oxygen covered the Earth’s surface.Animals began to prosper at theend of the Proterozoic period, about 800 million years ago — but what about thebillion-year stretch before that, when most researchers think there also wasplenty of oxygen?Well,it seems the air wasn’t so great then, after all.Ina study published Oct. 31 in Science, Yale researcher Noah Planavsky and hiscolleagues found that oxygen levels during the ‚boring billion‛ period wereonly 0.1% of what they are today. In other words, Earth’s atmosphere couldn’thave supported a diversity of creatures, no matter what genetic advancementswere poised to occur.‚There is no questionthat genetic and ecological innovation must ultimately be behind the rise ofanimals, but it is equally unavoidable that animals need a certain level ofoxygen,‛ said Planavsky, co-lead author of the research along with ChristopherReinhard of the Georgia Institute of Technology. ‚We’re providing the firstevidence that oxygen levels were low enough during this period to potentiallyprevent the rise of animals.‛Thescientists found their evidence by analyzing chromium (Cr) isotopes in ancientsediments from China, Australia, Canada, and the United States. Chromium isfound in the Earth’s continental crust, and chromium oxidation is directlylinked to the presence of free oxygen in the atmosphere.Specifically,the team studied samples deposited in shallow,iron-rich ocean areas, near theshore. They compared their data with other samples taken from younger localesknown to have higher levels of oxygen.Oxygen’srole in controlling the first appearance of animals has long vexed scientists.‚We were missing the right approach until now,‛Planavsky said. ‚Chromium gaveus the proxy.‛ Previous estimates put the oxygen level at 40% of today’sconditions during pre-animal times, leaving open the possibility that oxygenwas already plentiful enough to support animal life.Inthe new study, the researchers acknowledged that oxygen levels were ‚highlydynamic‛in the early atmosphere, with the potential for occasional spikes.However, they said, ‚It seems clear that there is a first-order difference inthe nature of Earth surface Cr cycling‛ before and after the rise of animals.‚If we are right, ourresults will really change how people view the origins of animals and othercomplex life, and their relationships to the co-evolving environment,‛ saidco-author Tim Lyons of the University of California-Riverside. ‚This could be agame changer.‛Fundingsources for the research included the NASA Exobiology Program and the NationalScience Foundation’s Earth-Life Transitions program, awarded to Planavsky,Reinhard, and Lyons.Theother members of the research team included Xiangli Wang, a postdoctoral fellowat Yale; Thomas Johnson, of the University of Illinois;Danielle Thomson, ofCarleton University; Peter McGoldrick, of the University of Tasmania; andWoodward Fischer, of the California Institute of Technology.16.The study discovered the rise of animals occurred earlier than the Proterozoicperiod.A.RightB. WrongC. Not mentioned17.Many researchers believe the oxygen level was high during pre-animal times.A. RightB. WrongC.Not mentioned18. The teamwas funded by several research institutes.A.RightB. WrongC. Not mentioned19. Geneticadvancements triggered the rise of animals.A.RightB. WrongC. Not mentioned20. Thesamples studied in the research were collected in ocean areas.A. RightB. WrongC.Not mentioned21. Thestudy revealed that chromium found in Earth’s continental crust remained stablebefore and after the rise of animals.A.RightB. WrongC. Not mentioned22. TimLyons liked to play computer games in his spare time.A.RightB. WrongC. Not mentioned第3部分概括大意与完成句子FirstImage-recognition Software1.Dartmouth researchers and their colleagues have created an artificial 1 ,software that uses photos to locate documents on the Internet with far gre jthan ever before.2.The new system, which was tested on photos and is now being applied to , Ishows for the first time that a machine learning algorithm (运算法则)or ,ma9e I recognition and retrieval is accurate and efficient enough toimprove large seaie , document searches online. The system uses pixel (像素)data in images and potentia y video — rather than just text — to locatedocuments. It learns to recognize the pixels associated with a search phrase bystudying the results from text-based image search engines. The knowledgegleaned (收集) from those results can then beapplied to other photos without tags or captions making for more accuratedocument search results.3."Over the last 30 years," says Associate Professor Lorenzo Torresani,a co-author of the study, "the Web has evolved from a small collection ofmostly text documents to a modern, massive, fast-growing multimedia dataset,where nearly every page includes multiple pictures or videos. When a personlooks at a Web page, he immediately gets the gist (主旨)of it by looking at the pictures in it. Yet, surprisingly, allexisting popularsearch engines, such as Google or Bing, strip away the information contained inthe photos and use exclusively the text of Web pages to perform the documentretrieval. Our study is the first to show that modern machine vision systemsare accurate and efficient enough to make effective use of the informationcontained in image pixels to improve document search."4.The researchers designed and tested a machine vision system — a type ofartificial intelligence that allows computers to learn without being explicitlyprogrammed —that extracts semantic (语义的) information from thepixels of photos in Web pages. This information is used to enrich thedescription of the HTML page used by search engines for document retrieval. Theresearchers tested their approach using more than 600 search queries (查询)on a database of 50 million Web pages. They selected the text-retheval searchengine with the best performance and modified it to make use of the additionalsemantic information extracted by their method from the pictures of the Webpages. They found that this produced a 30 percent improvement in precision overthe original search engine purely based on text.23. Paragraph 1 __B__24. Paragraph 2 __C__25. Paragraph 3 __E__26. Paragraph 4 __D__A.Popularity of the new systemB.Publication of the new discoveryC.Function of the new systemD.Artificial intelligence software createdE.Problems of the existing search enginesF.Improvement in document retrieval27. The new system does documentretrieval by __C__.28. The new system is expected toimprove precision in __B__.29. When performing documentretrieval the existing search engines ignore __A__30. The new system was found moreeffective in document search than the __E__rmation in imagesB.current popular search enginesing photosD.machine vision systemsE.document searchF.description of the HTML page第4部分阅读理解Better Solar Energy Systems: More Heat,More LightSolar photovoltaic thermal energy systems,or PVTs, generate both heat and electricity, but until now they haven’t been very good at the heat-generating part compared to a stand-alone solar thermal collector. That’s because they operate at low temperatures to cool crystalline silicon solar cells, which lets the silicon generate more electricity but isn’ta very efficient way to gather heat.That’s a problem of economics. Good solar hot-water systems can harvest much more energy than a solar-electric system at a substantially lower cost. And it’s also a space problem: photovoltaic cells can take up all the space on the roof, leaving little room for thermal applications.In a pair of studies, Joshua Pearce, anassociate professor of materials science and engineering, has devised a solution in the form of a better PVT made with a different kind of silicon. His research collaborators are Kunal Girotra from Thin Silicon in California and Michael Pathak and Stephen Harrison from Queen’s University, Canada.Most solar panels are made with crystalline silicon, but you can also make solar cells out of amorphous silicon, commonly known as thin-film silicon. They don’t create as much electricity, but they are lighter, flexible, and cheaper. And, because they require much less silicon,they have a greener footprint. Unfortunately, thin-film silicon solar cellsare vulnerable to some bad-news physics in the form of the Staebler-Wronski effect.‚That means that their efficiency drops when you expose them to light — pretty much the worst possible effect for a solar cell,‛ Pearce explains,which is one of the reasons thin-film solar panels make up only a small fraction of the market.However, Pearce and his team found a way to engineer around the Staebler-Wronski effect by incorporating thin-film siliconin a new type of PVT. You don’t have to cool down thin-film silicon to make it work. In fact, Pearce’s group discovered that by heating it to solar-thermal operating temperatures, near the boiling point of water, they could make thicker cells that largely overcame the Staebler-Wronski effect. When they applied the thin-film silicon directly to a solar thermal energy collector,they also found that by baking the cell once a day, they boosted the solar cell’s electrical efficiency by over 10 percent.31. PVTs are not efficient inA. creating electricity.B. cooling silicon solar cells.C. generating heat.D. powering solar thermal collectors.32. One of the problems PVTs have is thatA. their thermala pplications are costly.B. they are too expensive to afford.C. it is hard to fix them on the roof.D. they occupy too much space.33. Which of the following is NOT mentioned as an advantage of thin-film silicon solar cells?A. They are flexible.B. They are less expensive.C. They are electrically efficient.D. They are environment friendly.34. Thin-film solar panels do not sell well on market becauseA. they do not work well if exposed to light.B. their advantages are not well-recognized.C. they need improving in appearance.D. they are not advertised.35 Which of the following statements is true?A. New techniques have been developed to produce thin-film silicon.B Thin-film silicon works efficiently at low temperature.C Thin-film silicon's electrical efficiency improves when heated up.D Anew material enlarging the Staebler-WronsKi effect has been created.译文:第十三篇更有效的太阳能系统:更多热量,更强灯光太阳能光伏热能系统,也叫PVT,能够生成热量和电能。

2015年职称英语理工A真题及答案汇总 (1)

2015年职称英语理工A真题及答案汇总 (1)

2015理工A真题及答案第一部分词汇选项1. I will not tolerate that sort of behavior in my classA. controlB. observeC. regulateD. accept2. She showed a natural aptitude for the work.A. senseB. talentC. flavorD. taste3. Most people find rejection hard to accept.A. excuseB. clientC. refusalD. destiny4. The organization was bold enough to face the press.A. pleasedB. powerfulC. braveD. sensible5. They were locked in mortal combat.A. deadlyB. openC. actualD. active6. We were attracted by the lure of quick money.A. AmountB. supplyC. temptD. sum7. The procedures were perceived as complex and less transparent.A. clearB. necessaryC. specialD. correct8. The stock exchange is in turmoil following a huge wave of selling.A. service B danger C. disorder D. threat9. He believed that Europe must change or it will perish.A. surviveB. lastC. dieD. move10. There was a simultaneous trial taking place in the next building.A. fairB. fullC. coexistingD. public11. They promote assimilation of ethnic groups into the main-stream culture.A. policyB. valueC. equalityD. integration12. A salesman’s cardinal rule is to satisfy customers.A. principalB. officialC. simpleD. legal13. I must compliment you on your handling of a very difficult situation.A. silenceB. praiseC. assureD. complain14. We lived for years in a perpetual state of fear.A. emotionalB. nervousC. terribleD. continuous15. The starving children were a pathetic sight.A. commonB. unexpectedC. unforgettableD. pitiful第二部分阅读判断Lack of oxygen delayed the rise of animals on earthScientists have long speculated as to why animal species didn’tflourish sooner, once sufficient oxygen covered the Earth’s surface. Animals began to prosper at the end of the Proterozoic period, about 800 million years ago — but what about the billion-year stretch before that, when most researchers think there also was plenty of oxygen?Well, it seems the air wasn’t so great then, after all.In a study published Oct. 31 in Science, Yale researcher Noah Planavsky and his colleagues found that oxygen levels during the “boring billion” periodwere only 0.1% of what they are today. In other words, Earth’s atmosphere couldn’t have supported a diver sity of creatures, no matter what genetic advancements were poised to occur.“There is no question that genetic and ecological innovation mustultimately be behind the rise of animals, but it is equally unavoidable that animals need a certain level of o xygen,” said Planavsky, co-lead author of the research along with Christopher Reinhard of the Georgia Institute of Technology. “We’re providing the first evidence that oxygen levels were low enough during this period to potentially prevent the rise of anim als.”The scientists found their evidence by analyzing chromium (Cr) isotopes in ancient sediments from China, Australia, Canada, and the United States. Chromium is found in the Earth’s continental crust, and chromium oxidation is directly linked to the presence of free oxygen in the atmosphere.Specifically, the team studied samples deposited in shallow, iron-richocean areas, near the shore. They compared their data with other samples taken from younger locales known to have higher levels of oxygen.Oxygen’s role in controlling the first appearance of animals has long vexed scientists.“We were missing the right approach until now,” Planavsky said. “Chromium gaveus the proxy.” Previous estimates put the oxygen level at 40% of today’s conditions during pre-animal times, leaving open thepossibility that oxygen was already plentiful enough to support animal life.In the new study, the researchers acknowledged that oxygen levels were “highly dynamic” in the early atmosphere, with the potential for occasional spikes. However, they said, “It seems clear that there is a first-order difference inthe nature of Earth surface Cr cycling” before and after the rise of animals.“If we are right, our results will really change how people view theorigins of animals and other complex life, and their relationships to the co-evolving environment,” said co-author Tim Lyons of the University ofCalifornia-Riverside. “This could be agame changer.”Funding sources for the research included the NASA Exobiology Program andthe National Science Foundation’s Earth-Life Transitions program, awarded to Planavsky, Reinhard, and Lyons.Theo ther members of the research team included Xiangli Wang, apostdoctoral fellow at Yale; Thomas Johnson, of the University of Illinois; Danielle Thomson, of Carleton University; Peter McGoldrick, of the Universityof Tasmania; and Woodward Fischer, of the California Institute of Technology. 16.The study discovered the rise of animals occurred earlier than the Proterozoicperiod.A. RightB. WrongC. Not mentioned17. Many researchers believe the oxygen level was high during pre-animal times.A. RightB. WrongC. Not mentioned18. The team was funded by several research institutes.A. RightB. WrongC. Not mentioned19. Genetic advancements triggered the rise of animals.A. RightB. WrongC. Not mentioned20. The samples studied in the research were collected in ocean areas.A. RightB. WrongC. Not mentioned21. The study revealed that chromium found in Earth’s continental crust remained stable before and after the rise of animals.A. RightB. WrongC. Not mentioned22. TimLyons liked to play computer games in his spare time.A. RightB. WrongC. Not mentione第三部分概括大意与完成句子First image-recognition software1. Dartmouth researchers and their colleagues have created an artificial1,software that uses photos to locate documents on the Internet with far grejthan ever before.2.The new system, which was tested on photos and is now being applied to, I shows for the first time that a machine learning algorithm (运算法则)or,ma9e I recognition and retrieval is accurate and efficient enough toimprove large seaie, document searches online. The system uses pixel (像素)data in images and potentiay video — rather than just text — to locate documents. It learns to recognize the pixels associated with a search phrase by studying the results from text-based image search engines. The knowledge leaned (收集) from those results can then be applied to other photos without tags or captions making for more accurate document search results.3."Over the last 30 years," says Associate Professor Lorenzo Torresani, a co-author of the study," the Web has evolved from a small collection of mostlytext documents to a modern, massive, fast-growing multimedia dataset, where nearly every page includes multiple pictures or videos. When a person looks at a Web page, he immediately gets the gist (主旨)of it by looking at the pictures in it. Yet, surprisingly, all existing popular search engines, such as Google or Bing, strip away the information contained in the photos and use exclusively the text of Web pages to perform the document retrieval. Our study is the first to show that modern machine vision systems are accurate and efficient enough to make effective use of the information contained in image pixels to improve document search."4.The researchers designed and tested a machine vision system — a type of artificial intelligence that allows computers to learn without being explicitly programmed — that extracts semantic (语义的) information from the pixels of photos in Web pages. This information is used to enrich the description of the HTML page used by search engines for document retrieval. There searchers tested their approach using more than 600 search queries (查询)on a database of 50 million Web pages. They selected the text-retheval search engine with the best performance and modified it to make use of the additional semantic information extracted by their method from the pictures of the Webpages. They found that this produced a 30 percent improvement in precision over the original search engine purely based on text.23. Paragraph 1 __B__24. Paragraph 2 __C__25. Paragraph 3 __E__26. Paragraph 4 __D__A. Popularity of the new systemB. Publication of the new discoveryC. Function of the new systemD. Artificial intelligence software createdE. Problems of the existing search enginesF. Improvement in document retrieval27. The new system does document retrieval by __C__.28. The new system is expected toimprove precision in __B__.29. When performing document retrieval the existing search engines ignore __A__30. The new system was found more effective in document search than the __E__A. information in imagesB. current popular search enginesC. using photosD. machine vision systemsE. document searchF. description of the HTML page第四部分阅读理解第1篇 Better Solar Energy Systems:More Heat, More Light更有效的太阳能系统:更多热量,更强灯光(出自理工教材完形填空,2013年考题)Solar photovoltaic(光伏的)thermal energy systems, or PVTs, generate both heat and electricity, but until now they haven't been very good at the heat-generating part compared to a stand-alone solar thermal collector. That's because they operate at low temperatures to cool crystalline(晶体的)silicon solar cells, which lets the silicon generate more electricity but isn't a very efficient way to gather heat. 太阳能光伏热能系统,也叫PVT,能够生成热量和电能。

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Museums in the Modern WorldMuseums have changed.They are no longer places for the privileged few or for bored vacationers to visit on rainy days. Action and democracy are words used in descriptions of museums now.At a science museum in Ontario,Canada,you can feel your hair stand on end as harmless electricity passes through your body.At the Metropolitan Museum of Art in New York City,you can look at17th century instruments while listening to their music.At the Modern Museum in Sweden,you can put on costumes provided by the Stockholm Opera.As these examples show, museums are reaching out to new audiences,particularly the young,the poor,and the less educated members of the population. As a result,attendance is increasing.More and more,museums directors are realizing that people learn best when they can somehow become part of what they are seeing.In many science museums,for example,there are no guided tours.The visitor is encouraged to touch,listen, operate,and experiment so as to discover scientific principles for himself.He can have the experience of operating a spaceship or a computer.He can experiment with glass blowing and paper making.The purpose is not only to provide fun but also to helppeople feel at home in the world of science.The theory is that people who do not understand science will probably fear it,and those who fear science will not use it to best advantage.Many museums now provide educational services and children's departments.In addition to the usual displays,they also offer film showings and dance programs.Instead of being places that one"should"visit,they are places to enjoy.One cause of all these changes is the increase in wealth and leisure time.Another cause is the rising percentage of young people in the population.Many of these young people are college students or college graduates.They are better educated than their parents.They see things in a new and different way. They are not content to stand and look at works of are;they want art they can participate in.The same is true of science and history.In the US,certain groups who formerly were too poor to care about anything beyond the basic needs of daily life are now becoming curious about the world around them.The young people in these groups,like young people in general,have benefited from a better education than their parents received. All these groups,and the rest of the population as well,have been influenced by television,which has taught them about other places and other times.The effect of all this has been to change existing museums and to encourage the building of new ones.In the US and Canada alone,there are now more than6,000museums,almost twice as many as there were25years ago.About half of them are devoted to history,and the rest are evenly divided between the arts and sciences.The number of visitors,according to the American Association of museums,has risen to more than700million a year.In fact,the crowds of visitors at some museums are creating a major problem.Admission to museums has always been either free or very inexpensive,but now some museums are charging entrance fees for the first time or raising their prices.Even when raised,however,entrance fees are generally too low to support a museum,with its usually large building and its highly trained staff.1.Paragraph2________.2.Paragraph3________.3.Paragraph4________.4.Paragraph5________.A Causes of changesB Increasing number of museums and visitorsC Museums getting closer to more spectatorsD Movies shown in museumsE New notions about the management of museumsF Places to visit5.Now museums are no longer restricted to the privileged few,but________.6.With the development of society,people,especially the young people,_________.7.To meet the needs of society,more museums________.8.Two major problems for museums are that they have too many visitors and they________.Transport and TradeTransport is one of the aids to trade.By moving goods from places where they are plentiful to places where they are scarce, transport adds to their value.The more easily goods can be brought over the distance that separates producer and consumer, the better for trade.When there were no railways,no good roads, no canals,and only small sailing ships,trade was on a small scale.The great advances made in transport during the last two hundred years were accompanied by a big increase in trade. Bigger and faster ships enabled a trade in meat to develop between Britain and New Zealand,for instance.Quickertransport makes possible mass-production and big business, drawing supplies from,and selling goods to,all parts of the globe.Big factories could not exist without transport to carry the large number of workers they need to and from their homes. Big city stores could not have developed unless customers could travel easily from the suburbs and goods delivered to their homes.Big cities could not survive unless food could be brought from a distance.Transport also prevents waste.Much of the fish landed at the ports would be wasted if it could not be taken quickly to inland towns.Transport has given us a much greater variety of foods and goods since we no longer have to live on what is produced locally.Foods which at one time could be obtained only during a part of the year can now be obtained all through the year.Transport has raised the standard of living.By moving fuel,raw materials,and even power,as,for example,through electric cables,transport has led to the establishment of industries and trade in areas where they would have been impossible before.Districts and countries can concentrate on making things which they can do better and more cheaply than others and can then exchange them with one another. The cheaper and quicker transport becomes,the longer thedistance over which goods can profitably be carried.Countries with poor transport have a lower standard of living.Commerce requires not only the moving of goods and people but also the carrying of messages and information.Means of communication,like telephones,cables and radio,send information about prices,supplies,and changing conditions in different parts of the world.In this way,advanced communication systems also help to develop trade.练习:1.Paragraph2_________2.Paragraph3_________3.Paragraph4_________4.Paragraph5_________A.Higher living standardB.Importance of transport in tradeC.Various means of transportD.Birth of transport-related industries and tradeE.Role of information in tradeF.Public transportation5.The development of modern means of transport_________.6.Only when goods can be carried to all parts of the world quickly___________.7.Transport has made it possible for people to eat whatever food they want_________.8.In the trade of modern society the transmission of information plays as important a role as________.A.to send goods to various parts of the worldB.at any time during the yearC.has greatly promoted tradeD.is it possible to produce on a large scaleE.the transport of goodsF.it is possible to produce on a large scale答案:BADECDBEAir TransportationAirplanes are used to carry passengers,cargo and mail.Air transport companies operate scheduled airlines and non-scheduled services over local,regional,national,and international routes.The aircraft operated by these companies range from small single-engine planes to large multiengine jet transports.The first air passenger services began in1910,when dirigibles began operation between several German cities.The first scheduled airplane service to carry passengers began in the U.S in1914.Several experimental airmail flights tookplace in India,Europe,and the United States before World War I,but air transport service did not become a true business until after the war.During World War Two,intercontinental air transport became firmly established.After the war the new long-distance transports with advanced facilities were increasingly able to avoid storms and strong wind and make flights more economical and consistent.A new generation of"jumbo-jet"transports began operations in1970,and the supersonic transport entered passenger service in1976.During the1970s the number of domestic passengers on U.S airlines increased about78%,and during the1980s the figure was up about58%.In1990there were41.8million international passengers,the figure was a75%increase over1980.The total cargo flown by U.S airlines almost doubled during the1980s, from5.7billion to10.6billion ton-miles in1990.Major airports provide a wide range of facilities for the convenience of millions of travelers.These range from such basic services as ticket-sales counters and restaurants to luxury hotels,shopping centers and play areas for children. International airports must also have customs areas and currency-exchange counters and so on.EXERCISE:1.Paragraph2_____.2.Paragraph3_____.3.Paragraph4_____.4.Paragraph5_____.A Airport servicesB Training of pilotsC Beginning periodD Rapid growth in the U.S.E DevelopmentF Competition5.Air transport companies use different plans____.6.The United States was the country where____.7.The forty years from the1930s to the1970s was an important period___.8.Nowadays airports provide all kinds of services____.A in the development of air transportationB the earliest passenger flights were successfully operatedC to make travel easy and pleasant for the passengersD to provide different servicesE the shortage of qualified pilotsF traveling by air was very cheapKEY:C E D A D B A CAdult EducationVoluntary learning in organized courses by mature men and women is called adult education.Such education is offered to make people able to enlarge and interpret their experience as adults.Adults may want to study something which they missed in earlier schooling,get new skills or job training,find out about new technological developments,seek better self-understanding,or develop new talents and skills.This kind of education may be in the form of self-study with proper guidance through the use of libraries,correspondence course,or broadcasting.It may also be acquired collectively in schools and colleges,study groups,workshops,clubs,and professional associations.Modern adult education for large numbers of people started in the18th and19th centuries with the rise of the Industrial Revolution.Great economic and social changes were taking place: people were moving from rural areas to cities;new types of work were being created in an expanding factory system.These and other factors produced a need for further education and re-education of adults.The earliest programs of organized adult education arose in Great Britain in the1790s,with the founding of an adult school in Nottingham and a mechanics’institute in Glasgow. The earliest adult education institution in the United States was founded by Benjamin Franklin and some friends in Philadelphia in1727.People recognize that continued learning is necessary for most forms of employment today.For example,parts of the adult population in many countries find it necessary to take part in retraining programs at work of even to learn completely new jobs. Adult education programs are springing up constantly to meet these and other needs.练习:1.Paragraph2__________.2.Paragraph3__________.3.Paragraph4__________.4.Paragraph5__________.A Necessity for developing adult educationB Early days of adult educationC Ways of receiving adult educationD Growth of adult educationE Institutions of adult educationF Definition of adult education5.Some adults want to learn_______________.6.There are various forms of adult education,including ____________.7.Adult education has been made necessary___________.8.The earliest organized adult education_______________.A by social and economic changesB guided self-study and correspondence coursesC by studying together with childrenD what they did not manage to learn earlierE dates back to the eighteenth centuryF mass productionKey:CABDDBAEParisParis,the capital and the largest city of the country,is in north central France.The Paris metropolitan area contains nearly20%of the nation’s population and is the economic, cultural,and political center of France.The French governments have historically favored the city as the site for all decision making,thus powerfully attracting nearly all of the nation’s activities.Paris has grown steadily since it was chosen as the nationalcapital in the late10th century.With the introduction of the Industrial Revolution,a great number of people moved to the city from the country during the19th century.The migration was especially stimulated by the construction of railroads, which provided easy access to the capital.After World War II more and more immigrants arrived.The city is the centralized control point of most national radio and television broadcasting.It is a place of publication of the most prestigious newspapers and magazines and an international book publishing center.With more than100 museums,Paris has truly been one of the greatest concentrations of art treasures in the world.The Louver, opened as a museum in1793,is one of the largest museums in the world.In the late1980s about4.1million pupils annually attended about47,000elementary schools.In addition,about5.4million students attended some11,200secondary schools.Approximately 1.2million students were enrolled annually at universities and colleges in France in the late1980s.French centers of learning have served as academic models throughout the world.Paris is the leading industrial center of France,with about one quarter of the nation’s manufacturing concentratedin the metropolitan area.Industries of consumer goods have always bee drawn to Paris by the enormous market of the big population,and modern,high-technology industries also have become numerous since World War II.Chief manufactures are machinery,automobiles,chemicals and electrical equipment.练习1.Paragraph2_________.2.Paragraph3_________.3.Paragraph4_________.4.Paragraph5_________.A History of the cityB Industries of the cityC Population grownD EducationE Cultural centerF Immigration5.Paris has in history been the center of___________.6.Since the10th century,the population of Paris__________.7.Many valuable works of art_________.8.Paris is not only the center of education of France, but also the center_____________.A can be found in ParisB the major events of the nationC of the country’s industriesD a lot of cinemas and theatersE has been growing steadilyF has been decreasing rapidly Key:CEDBBEAC。

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