2015年7月25日雅思考试阅读真题

2015年7月23日雅思考试阅读真题

Passage 2：

题目：Finding our way

内容：人类行为的研究

题型：配对题5道，选择题3道，判断题5道

题号：V100529

Finding Our Way

A “Drive 200 yards, and then turn right, “says the car’s computer voice. You relax in the driver’s seat, follow the directions and reach your destination without error. It’s certainly nice to have the Global Positioning System (GPS) to direct you to within a few yards of your goal. Yet if the satellite service’s digital maps become even slightly outdated, you can become lost. Then you have to rely on the ancient human skill of navigating 航行in three-dimensional space. Luckily, your biological finder生物探测器/发现者has an important advantage over GPS: it does not go awry失败/出错if only one part of the guidance system goes wrong, because it works in various ways. You can ask questions of people on the sidewalk. Or follow a street that looks familiar. Or rely on a navigational rubric红色标志: "If I keep the East River on my left, I will eventually cross 34th Street.” The human positioning system is flexible and capable of learning. Anyone who knows the way from point A to point B—and from A to C—can probably figure out how to get from

B to C, too.

B But how does this complex cognitive认知system really work? Researchers are looking at several strategies people use to orient 向东themselves in space: guidance, path integration and route following. We may use all three or combinations thereof在其中. And as experts learn more about these navigational skills, they are making the case that our abilities may underlie在什么基础下our powers of memory and logical thinking. Grand Central中央车站, Please Imagine that you have arrived in a place you have never visited—New York City. You get off the train at Grand Central Terminal in midtown Manhattan. You have a few hours to explore before you must return for your ride home. You head uptown to see popular spots you have been told about: Rockefeller Center洛克菲勒中心, Central Park, and the Metropolitan Museum of Art大都会博物馆. You meander 漫步in and out of shops along the way. Suddenly, it is time to get back to the station. But how?

C If you ask passersby for help, most likely you will receive information in many different forms. A person who orients herself by a prominent landmark would gesture

southward: "Look down there. See the tall, broad MetLife Building? Head for that—the station is right be low it. “Neurologists call this navigational approach "guidance,” meaning that a landmark visible from a distance serves as t he marker for one’s destination.

D Another city dweller居民might say: "What places do you remember passing? . . . Okay. Go toward the end of Central Park, then walk down to St. Patrick’s Cathedral大教堂.

A few more blocks, and Grand Central will be off to yo ur left. “In this case, you are pointed toward the most recent place you recall, and you aim for it. Once there you head for the next notable place and so on, retracing折回your path. Your brain is adding together the individual legs of your trek艰难跋涉into a cumulative积累的progress report. Researchers call this strategy "path integration.”路劲整合Many animals rely primarily on path integration to get around, including insects, spiders, crabs and rodents啮齿动物. The desert ants of the genus类Cataglyphis 沙蚁employ this method to return from foraging觅食as far as 100 yards away. They note the general direction they came from and retrace their steps, using the polarization极化of sunlight to orient themselves even under overcast skies阴暗的天空. On their way back they are faithful to this inner homing vector航线. Even when a scientist picks up an ant and puts it in a totally different spot, the insect stubbornly proceeds in the originally determined direction until it has gone "back" all of the distance it wandered from its nest. Only then does the ant realize it has not succeeded, and it begins to walk in successively larger loops循环to find its way home.

E Whether it is trying to get back to the anthill or the train station, any animal using path integration must keep track of its own movements so it knows, while returning, which segments it has already completed. As you move, your brain gathers data from your environment—sights, sounds, smells, lighting, muscle contractions收缩, a sense of time passing—to determine which way your body has gone. The church spire尖塔, the sizzling 极热的sausages香肠on that vendor’s grill小贩的架子, the open courtyard庭院, and the train station—all represent snapshots快照of memorable junctures 连接during your journey.

F In addition to guidance and path integration, we use a third method for finding our way. An office worker you approach for help on a Manhattan street comer might say: "Walk straight down Fifth, turn left on 47th, turn right on Park, go through the walkway under the Helmsley Building, then cross the stree t to the MetLife Building into Grand Central.” This strategy, called route following, uses landmarks such as building sand street names, plus directions—straight, turn, go through—for reaching intermediate中间点points. Route following is more precise than guidance or path integration, but if you forget the details and take a wrong turn, the only way to recover is to backtrack until you reach a familiar spot, because you do not know the general direction or have a reference landmark for your goal. The route-following navigation strategy truly challenges the brain. We have to keep all the landmarks and intermediate directions in our head. It is the most detailed and therefore most reliable method, but it can be undone by routine memory lapses记忆差错. With path integration, our cognitive memory is less burdened负担大; it has to deal with only a few general instructions and the homing vector. Path integration works because it relies most fundamentally on our knowledge of our body’s general direction o f movement, and we always have access to these inputs. Nevertheless, people often choose to give route- following directions, in part because saying "Go straight that way!" just does not

work in our complex, man- made surroundings.

G Road Map or Metaphor隐喻? On your next visit to Manhattan you will rely on your memory to get around. Most likely you will use guidance, path integration and route following in various combinations. But how exactly do these constructs构图deliver concrete directions? Do we humans have, as an image of the real world, a kind of road map in our heads—with symbols for cities, train stations and churches; thick粗线lines for highways; narrow lines for local streets? Neurobiologists and cognitive psychologists do call the portion部分of our memory that controls navigation a "cognitive map.” The map metaphor is obviously seductive引人注意的: maps are the easiest way to present geographic information for convenient visual inspection. In many cultures, maps were developed before writing, and today they are used in almost every society. It is even possible that maps derive from a universal way in which our spatial空间的-memory networks are wired接电线的.

H Yet the notion of a literal map in our heads may be misleading; a growing body of research implies that the cognitive map is mostly a metaphor. It may be more like a hierarchical层级structure of relationships.

To get back to Grand Central, you first envision (想象) the large scale—that is, you visualize the general direction of the station. Within that system you then imagine the route to the last place you remember. After that, you observe your nearby surroundings to pick out a recognizable可辨认的storefront店面or street comer that will send you toward that place. In this hierarchical, or nested, scheme, positions and distances are relative, in contrast with a road map, where the same information is shown in a geometrically几何学上的precise scale.

Questions 14-18

Use the information in the passage to match the category of each navigation method (listed A-C) with correct statement. Write the appropriate letters A-C in boxes 14-18on your answer sheet.

NB you may use any letter more than once

A Guidance

B Path integration.

C Route following

14 Using basic direction from starting point and light intensity强度to move on. B

15 Using combination of place and direction heading for destination. C

16 Using an iconic标志性building near your destination as orientation. A

17 Using a retrace method from a known place if a mistake happens. C

18 Using a passed spot as reference for a new integration. B

Questions 19-21

Choose the correct letter, A, B, C or D.

Write your answers in boxes 19-21 on your answer sheet.

19 What does the ant of Cataglyphis respond if it has been taken to another location according to the passage?

A Changes the orientation sensors感应improvingly

B Releases biological scent气味for help from others

C Continues to move by the original orientation

D totally gets lost once disturbed

20 Which of the followings is true about "cognitive map" in this passage?

A There is not obvious difference contrast by real map

B It exists in our head and is always correct

C It only exists under some cultures

D It was managed by brain memory

21 Which of following description of way findings correctly reflects the function of cognitive map?

A It visualizes a virtual route in a large scope

B It reproduces an exact details of every landmark

C Observation plays a more important role

D Store or supermarket is a must in the map

Questions 22-26

Do the following statements agree with the information given in Reading Passage 2? In boxes 22-26 on your answer sheet, write

TRUE

FALSE

NOT GIVEN

22 Biological navigation has a state of flexibility. TRUE

23 You will always receive good reaction when you ask direction.NOTGIVEN

24 When someone follows a route, he or she collects comprehensive perceptional 知觉/感性information in mind on the way. TRUE

25 Path integration requires more thought from brain compared with route-following. FALSE

26 In a familiar surroundings, an exact map of where you are will automatically emerge in your head.FALSE

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Animal’s Self-Medicatin TRUE/NOT GIVEN/FALSE/TRUE pitch/terpenses/alkaloids/detoxity/hooks G/D/E/C Development of Public Management Theory BE/AD/AB/AC/A/B/D/C/B ---------------------------------------------17 Koalas C/C/A/B/A YES/NO/NO/NOT GIVEN/YES/NOT GIVEN/YES A Coastal Archaeology of Britain C/D/A TRUE/FALSE/TRUE/FALSE/NOT GIVEN/TRUE/TRUE/ADF

Communication Styles and Conflict iii/vii/i/iv/ix/viii/v/ii TRUE/FALSE/NOT GIVEN/TRUE/TRUE B Talc Powder Applied on Food and Agricultural Industries B/B/A/A/C/B 20/foam/waste water/harmful/biodegrade/droplet(s)/lamination(packing)/gr ape grower(s) Human Navigation-finding our way B / C / A / C / B / C / D / A / TRUE / NOT GIVEN / TRUE / FALSE / NOT GIVEN Plant Scents B/A/F/C TRUE/NOT GIVEN/TRUE/FALSE B/B/C/D/A

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