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1、2009年职称英语考试理工类B级真题及答案第1局部：词汇选项（第115题，每题1分，共15分）下面每个句子中均有1个词或短语划有横线，请为每处划线局部确定1个意义最为接近的选项。1Would you please call my husband as soon as possibleAphone B visit Cconsult D invite2We had a long conversation about her parents.Aspeech Bquestion Cdebate Dtalk3The chairman proposed that we stop the meeting.A
2、stated B announced Csuggested D demanded4Obviously these people can be relied on in a crisis.Adepended on B lived on Cbelieved in D joined in5There is always excitement at the Olympic Games when an athlete breaks a record.Amaintains B beats Cmatches D tries6All the pupils seem to be very cheerful.Ah
3、ealthy B happy Cnaughty D busy7The traditional paintings are exhibited on the second floor.Adisplayed B laid Ckept D stored8She stood there, shaking with fury.Amisery B laughter Ccry D anger9Mary evidently is the most diligent student among usAintelligent B beautiful Chardworking D talkative10 Persi
4、stent attempts to interview Garbo were fruitless.A Forceful BReasonable C Firm DContinuous11 Why cant you stop your eternal complainingAlong B everlasting Ctemporary D boring12 Hundreds of buildings were wrecked by the earthquake.Adamaged B shaken Cfallen D jumped13 These paintings are considered by
5、 many to be authentic.Afaithful B royal Csincere D genuine14 Many economists have given in to the fatal lure of mathematics.Asimplicity B attraction Cpower D rigor15 Ten years after the event, her death still remains a puzzleAmist B fog Csecret D mystery第2局部：阅读推断（第1622题，每题1分，共7分）下面的短文后列出了7个句子，请根据短文的
6、内容对每个句子做出推断：假如该句供给的是正确信息，请选择A；假如该句供给的是错误信息，请选择B；假如该句的信息文中没有提及，请选择C。 Radiocarbon DatingNowadays scientists can answer many questions about the past through a technique called radiocarbon (放射性碳), or carbon-14, dating. One key to understanding how and by something happened is to discover when it happen
7、ed.Radiocarbon dating was developed in the late 1940s by physicist Willard F. Libby at he University of Chicago. An atom of ordinary carbon, called carbon-12, has six protons(中子) and six neutrons (质子) in its nucleus. Carbon-14, or C-14, is a radioactive, unstable form of carbon that has two extra ne
8、utrons (原子核). It returns to a more stable form of carbon through a process called decay (衰减). This process involves the loss of he extra neutrons and energy from the nucleus.In Libbys radiocarbon dating technique, the weak radioactive emissions (放射) from his decay process are counted by instruments
9、such as a radiation detector and counter. he decay rate is used to determine the proportion of C-14 atoms in the sample being dated.Carbon-14 is produced in the Earths atmosphere when nitrogen (氮)-14, or N-14,interacts with cosmic rays (宇宙射线). Scientists believe since the Earth was formed, the mount
10、 of nitrogen in the atmosphere has remained constant. Consequently, C-14 formation is thought to occur at a constant rate. Now the ratio of C-14 to other carbon toms in the atmosphere is known. Most scientists agree that this ratio is useful for dating items back to at least 50,000 years.All life on
11、 Earth is made of organic molecules (分子) that contain carbon atoms coming from the atmosphere. So all living things have about the same ratio of C-14atoms to other carbon atoms in their tissues (组织). Once an organism (有机体) dies it tops taking in carbon in any form, and the C-14 already present begin
12、s to decay. Over time the amount of C-14 in the material decreases, and the ratio of C-14 to other carbon toms goes down. In terms of radiocarbon dating, the fewer C-14 atoms in a sample, the older that sample is.16Nowadays many scientists depend on radiocarbon for dating age-old objectsA Right BWro
13、ng C Not mentioned17The radiocarbon dating technique is only about 40 years oldA Right BWrong C Not mentioned18An atom of ordinary carbon has six protons and eight neutronsA Right BWrong C Not mentioned19Radar is used to determine the characteristics of radiocarbonA Right BWrong C Not mentioned20Rad
14、iocarbon is reliable in dating an object back to at least 50,000 years.A Right BWrong C Not mentioned21The C-14 in an organism begins to decay when it diesA Right BWrong C Not mentioned22The half-life of C-14 is about 25,000 years.A Right BWrong C Not mentioned第3局部：概括大意与完成句子（第2330题，每题1分，共8分）下面的短文后有2
15、项测试任务：（1）第2326题要求从所给的6个选项中为第14段每段1选择个最佳标题；（2）第2730题要求从所给的6个选项中为每个句子确定1个最佳选项。chimpanzees1 Chimpanzees (黑猩猩) will soon be extinct (灭亡). If the present rate of hunting and habitat (栖息地) destruction continues, then within 20 years, there will be no chimpanzees living in the wild. But this is more than a
16、n environmental or moral tragedy (悲剧). Chimpanzee extinction may also have profound implications (含意) for the survival of their distant relatives - human beings.2In 1975 the biologist Marie-Claire King and Allan Wilson discovered that the human and chimpanzee genomes (基因组) match by over 98%. Compare
17、 this to the mouse, used as model for human disease in lab tests, which shares only 60% of its DNA with us. In fact, chimpanzees are far more similar to humans than they are to any other species of monkey. As well as resembling us genetically, chimps are highly intelligent and able to use tools. The
18、se facts alone should be enough to make protection of chimps an urgent priority (优先). But there is another, more selfish reason to preserve the chimp.3The chimpanzees trump card (王牌) comes in the field of medical research. Chimpanzees are so similar to humans that veterinarians (兽医) often refer to h
19、uman medical textbooks when treating them. Yet chimpanzees do show differences in several key areas. In particular, chimps are much more resistant to a number of major diseases. It is this ability that is so interesting.4For example, chimps seem to show a much higher resistance than humans to HIV, t
20、he virus that causes AIDS. Indeed, their use as experimental animals in AIDS research has declined because they are so resistant.5By sequencing the chimp genome and pinpointing (找到) the place where the chimpanzee DNA sequence differs from that of humans, scientists hope to be able to discover which
21、part of the genetic code gives chimps their increased resistance to some diseases. This, they hope, will allow them to develop new and more effective treatments for the human forms of these diseases. Such treatments could include the production of new drugs or even the alteration (变更) of the human g
22、enetic sequence. The recently completed human genome sequencing project has shown that such an effort is now well within our reach.23Paragraph 124Paragraph 225Paragraph 326Paragraph 4AGenetic differences between chimps and humansBReasons for HIV resistanceCImplications of chimpanzee extinction for h
23、umansDEffective AIDS treatmentEGenetic similarities between chimps and humansFChimps resistance to HIV27Chimpanzee extinction may affect28There is a difference ofless than 2% between the chimp and29Scientists suspect that genes.PlaY a significant role in protecting chimps from getting30The discovery
24、 of the genetic code of chimps will be helpful toAhealthier lifestyleBsome human disease treatmentsCsome diseasesDhuman survivalEhuman genomesFkey areas第4局部：阅读理解（第3145题，每题3分，共45分）下面有3篇短文，每篇短文后有5道题。请根据短文内容，为每题确定1个最佳选项。第一篇waterThe second most important constituent (构成成份) of the biosphere (生物圈) is liqu
25、id water. This can only exist in a very narrow range of temperatures, since water freezes at 0 and boils at 100. Life as we know it would only be possible on the surface of a planet which had temperatures somewhere within this narrow range.The earths supply of water probably remains fairly constant
26、in quantity. The total quantity of water is not known very accurately, but it is about enough to cover the surface of the globe to a depth of about two and three-quarter kilometers. Most of it is in the form of the salt water of the oceans - about 97 per cent. The restis fresh, but three-quarters of
27、 this is in the form of ice at the Poles and on mountains, and cannot be used by living systems until melted. Of the remaining fractional which is somewhat less than one per cent of the whole, there is 10-20 times as much stored underground water as there is actually on the surface. There is also a
28、tiny, but extremely important fraction of the water supply which is present as water vapor in the atmosphere.Water vapor in the atmosphere is the channel through which the whole watercirculation (循环) of the biosphere has to pass. Water evaporated (蒸发) from the surface of the oceans, from lakes and r
29、ivers and from moist (潮湿的) earth is added to it. From it the water comes out again as rain or snow, falling on either the sea or the land. There is, as might be expected, a more intensive evaporation per unit area over the sea and oceans than over the land, but there is more rainfall over the land t
30、han over the oceans, and the balance is restored by the runoff from the land in the form of rivers.31Liquid water only existsAin the center of the earth.Bon the surface of our planet.Cin the coastal areas of the earth.Din a very narrow range of temperatures.32The total quantity of water on EarthAhas
31、 greatly increased in recent years.Bremains almost unchanged.Cis decreasing constantly.Dis affected by global warming.33Most of the fresh water on EarthAis in the form of ice at the Poles and on mountainsBis stored underground.Cis found in rivers and lakes.Dcomes from the rain.34The word fraction in
32、 the second paragraph meansAa large area.Ba very small amount.Can important system.Da major source of information35There is more of rainfallAover the mountains than over the rivers.Bover the rivers than over the mountainsCover the land than over the oceans.Dover the oceans than over the land.第二篇ind-
33、reading MachineA team of researchers in California has developed a way to predict what kinds of objects people are looking at by scanning (扫描) whats happening in their brains.When you look at something, your eyes send a signal about that object to your brain. Different regions of the brain process t
34、he information your eyes send. Cells in your brain called neurons (神经元) are responsible for this processing.The fMRI (functional Magnetic Resonance Imaging) (功能性磁振造影) brain scans could generally match electrical activity in the brain to the basic shape of a picture that someone was looking at.Like c
35、ells anywhere else in your body, active neurons use oxygen. Blood brings oxygen to the neurons, and the more active a neuron is, the more oxygen it will consume. The more active a region of the brain, the more active its neurons, and in turn, the more blood will travel to that region. And by using f
36、MRI, scientists can visualize (使显现) which parts of the brain receive more oxygen-rich blood - and therefore, which parts are working to process information.An fMRI machine is a device that scans the brain and measures changes in blood flow to the brain. The technology shows researchers how brain act
37、ivity changes when a person thinks, looks at something, or carries out an activity like speaking or reading. By highlighting the areas of the brain at work when a person looks at different images, fMRI may help scientists determine specific patterns of brain activity associated with different kinds
38、of images.The California researchers tested brain activity by having two volunteers view hundreds of pictures of everyday objects, like people, animals, and fruits. The scientists used an fMRI machine to record the volunteers brain activity with each photograph they looked at. Different objects caus
39、ed different regions of the volunteers brains to light up on the scan, indicating activity. The scientists used this information to build a model to predict how the brain might respond to any image the eyes see.In a second test, the scientists asked the volunteers to look at 120 new pictures. Like b
40、efore, their brains were scanned every time they looked at a new image. This time, the scientists used their model to match the fMRI scans to the image. For example, if a scan in the second test showed the same pattern of brain activity that was strongly related to pictures of apples in the first te
41、st, their model would have predicted the volunteers were looking at apples.36What is responsible for processing the information sent by your eyesAThe magnetic system in the brain.BThe central part of the heart.CNeurons in the brain.DOxygen-rich blood.37The function of an fMRI machine isAto show how
42、neutrons take in oxygen-rich blood.Bto measure how dense the blood is in the brain.Cto identify which parts of the brain are processing informationDto record how much oxygen the brain consumes.38The expression highlighting the areas of the brain at work in paragraph 5 meansAmarking the parts of the
43、brain that are processing information.Bgiving light to the parts of the brain that are processing information.Cputting the parts of the brain to work.Dpreventing the parts of the brain from working.39The researchers experimented onAanimals and objects.BfMRI machines.Cthousands of pictures.Dtwo volun
44、teers.40Which of the following can best replace the title of the passageAYour Thoughts Can Be Scanned.BRecent Development in Science and TechnologyCA Technological Dream.DAn Intelligent Robot.第三篇Youth Emancipation in SpainThe Spanish Government is so worried about the number of young adults still li
45、ving with their parents that it has decided to help them leave the nest.Around 55 percent of people aged 18-34 in Spain still sleep in their parents homes, says the latest report from the countrys state-run Institute of Youth.To coax (劝诱) young people from their homes, the Institute started a YouthE
46、mancipation (解放) program this month. The program offers guidance in finding rooms and jobs.Economists blame young peoples family dependence on the precarious (不稳定的) labor market and increasing housing prices. Housing prices have risen 17 percent a year since 2000.Cultural reasons also contribute to
47、the problem, say sociologists (社会学家). Family ties in south Europe - Italy, Portugal and Greece - are stronger than those in middle and north Europe, said Spanish sociologist Almudena Moreno Minguez in her report The Late Emancipation of Spanish Youth: Key for Understanding.In general, young people in Spain firmly believe in the family as the main body around which their private life is organized, said Minguez.In Spain - especially in the countrys