2009考研英语真题英语一阅读部分(共9页).doc
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1、精选优质文档-倾情为你奉上Text 1Habits are a funny thing.We reach for them mindlessly, setting our brains on auto-pilot and relaxing into the unconscious comfort of familiar routine. “Not choice, but habit rules the unreflecting herd,”William Wordsworth said in the 19th century. In the ever-changing 21st century
2、, even the word“habit”carries a negative implication.So it seems paradoxical to talk about habits in the same context as creativity and innovation. But brain researchers have discovered that when we consciously develop new habits, we create parallel paths, and even entirely new brain cells, that can
3、 jump our trains of thought onto new, innovative tracks.Rather than dismissing ourselves as unchangeable creatures of habit, we can instead direct our own change by consciously developing new habits.In fact, the more new things we trythe more we step outside our comfort zonethe more inherently creat
4、ive we become, both in the workplace and in our personal lives.But dont bother trying to kill off old habits;once those ruts of procedure are worn into the brain, theyre there to stay. Instead, the new habits we deliberately press into ourselves create parallel pathways that can bypass those old roa
5、ds.“The first thing needed for innovation is a fascination with wonder,”says Dawna Markova, author of The Open Mind. “But we are taught instead todecide, just as our president calls himselfthe Decider.”She adds, however, that“to decide is to kill off all possibilities but one. A good innovational th
6、inker is always exploring the many other possibilities.”All of us work through problems in ways of which were unaware, she says.Researchers in the late 1960s discovered that humans are born with the capacity to approach challenges in four primary ways: analytically, procedurally, relationally (or co
7、llaboratively) and innovatively.At the end of adolescence, however, the brain shuts down half of that capacity, preserving only those modes of thought that have seemed most valuable during the first decade or so of life.The current emphasis on standardized testing highlights analysis and procedure,
8、meaning that few of us inherently use our innovative and collaborative modes of thought. “This breaks the major rule in the American belief systemthat anyone can do anything,”explains M.J. Ryan, author of the 2006 book This Year I Will.and Ms. Markovas business partner. “Thats a lie that we have per
9、petuated, and it fosters commonness. Knowing what youre good at and doing even more of it creates excellence.”This is where developing new habits comes in.21.In Wordsworths view,“habits”is characterized by being_.A casualB familiarC mechanicalD changeable22.Brain researchers have discovered that the
10、 formation of new habits can be_.A predictedB regulatedC tracedD guided23.The word“ruts”(Para. 4) is closest in meaning to_.A tracksB seriesC characteristicsD connections24.Dawna Markova would most probably agree that_.A ideas are born of a relaxing mindB innovativeness could be taughtC decisiveness
11、 derives from fantastic ideasD curiosity activates creative minds25.Ryans comments suggest that the practice of standardized testing_.A prevents new habits form being formedB no longer emphasizes commonnessC maintains the inherent American thinking modeD complies with the American belief systemText
12、2It is a wise father that knows his own child, but today a man can boost his paternal (fatherly) wisdomor at least confirm that hes the kids dad. All he needs to do is shell out $30 for a paternity testing kit (PTK) at his local drugstoreand another $120 to get the results.More than 60,000 people ha
13、ve purchased the PTKs since they first became available without prescriptions last year, according to Doug Fogg, chief operating officer of Identigene, which makes the over-the-counter kits. More than two dozen companies sell DNA tests directly to the public, ranging in price from a few hundred doll
14、ars to more than $2,500.Among the most popular: paternity and kinship testing, which adopted children can use to find their biological relatives and families can use to track down kids put up for adoption. DNA testing is also the latest rage among passionate genealogistsand supports businesses that
15、offer to search for a familys geographic roots.Most tests require collecting cells by swabbing saliva in the mouth and sending it to the company for testing. All tests require a potential candidate with whom to compare DNA.But some observers are skeptical. “Theres a kind of false precision being haw
16、ked by people claiming they are doing ancestry testing,”says Troy Duster, a New York University sociologist. He notes that each individual has many ancestorsnumbering in the hundreds just a few centuries back. Yet most ancestry testing only considers a single lineage, either the Y chromosome inherit
17、ed through men in a fathers line or mitochondrial DNA, which is passed down only from mothers. This DNA can reveal genetic information about only one or two ancestors, even though, for example, just three generations back people also have six other great-grandparents or, four generations back, 14 ot
18、her great-great-grandparents.Critics also argue that commercial genetic testing is only as good as the reference collections to which a sample is compared. Databases used by some companies dont rely on data collected systematically but rather lump together information from different research project
19、s. This means that a DNA database may have a lot of data from some regions and not others, so a persons test results may differ depending on the company that processes the results. In addition, the computer programs a company uses to estimate relationships may be patented and not subject to peer rev
20、iew or outside evaluation.26.In Paragraphs 1 and 2, the text shows PTKs_.A easy availabilityB flexibility in pricingC successful promotionD popularity with households27.PTK is used to_.A locate ones birth placeB promote genetic researchC identify parent-child kinshipD choose children for adoption28.
21、Skeptical observers believe that ancestry testing fails to_.A trace distant ancestorsB rebuild reliable bloodlinesC fully use genetic informationD achieve the claimed accuracy29.In the last paragraph, a problem commercial genetic testing faces is_.A disorganized data collectionB overlapping database
22、 buildingC excessive sample comparisonD lack of patent evaluation30.An appropriate title for the text is most likely to be_.A Fors and Againsts of DNA TestingB DNA Testing and Its ProblemsC DNA Testing Outside the LabD Lies Behind DNA TestingText 3The relationship between formal education and econom
23、ic growth in poor countries is widely misunderstood by economists and politicians alike. Progress in both areas is undoubtedly necessary for the social, political and intellectual development of these and all other societies;however, the conventional view that education should be one of the very hig
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