阅读理解-练习五及答案解析.doc
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1、阅读理解-练习五及答案解析(总分:40.00,做题时间:90 分钟)一、Test 1(总题数:0,分数:0.00)二、TEXT A(总题数:1,分数:5.00)When older people can no longer remember names at a cocktail party, they tend to think that their brainpower is declining. But a growing number of studies suggest that this assumption is often wrong.Instead, the research
2、 finds, the aging brain is simply taking in more data and trying to sift through a clutter of information, often to its tong-term benefit.The studies are analyzed in a new edition of a neurology book, “Progress in Brain Research.“Some brains do deteriorate with age. Alzheimers disease, for example,
3、strikes 13 percent of Americans 65 and older. But for most aging adults, the authors say, much of what occurs is a gradually widening focus of attention that makes it more difficult to latch onto just one fact, like a name or a telephone number. Although that can be frustrating, it is often useful.“
4、It may be that distractibility is not, in fact, a bad thing,“ said Shelley H. Carson, a psychology researcher at Harvard whose work was cited in the book. “It may increase the amount of information available to the conscious mind.“For example, in studies where subjects are asked to read passages tha
5、t are interrupted with unexpected words or phrases, adults 60 and older work much more slowly than college students. Although the students plow through the texts at a consistent speed regardless of what the out-of-place words mean, older people slow down even more when the words are related to the t
6、opic at hand. That indicates that they are not just stumbling over the extra information, but are taking it in and processing it.When both groups were later asked questions for which the out-of- place words might be answers, the older adults responded much better than the students.“For the young peo
7、ple, its as if the distraction never happened,“ said an author of the review, Lynn Hasher, a professor of psychology at the University of Toronto and a senior scientist at the Rotman Research Institute. “But for older adults, because theyve retained all this extra data, theyre now suddenly the bette
8、r problem solvers. They can transfer the information theyve soaked up from one situation to another.“Such tendencies can yield big advantages in the real world, where it is not always dear what information is important, or will become important. A seemingly irrelevant point or suggestion in a memo c
9、an take on new meaning if the original plan changes. Or extra details that stole your attention, like others yawning and fidgeting, may help you assess the speakers real impact.“A broad attention span may enable older adults to ultimately know more about a situation and the indirect message of whats
10、 going on than their younger peers,“ Dr. Hasher said. “We believe that this characteristic may play a significant role in why we think of older people as wiser./(分数:5.00)(1).The word “sift“ in the 2nd paragraph means _.(分数:1.00)A.runB.scanC.selectD.memorize(2).What is the purpose of the experiment c
11、arried out during the research?(分数:1.00)A.To prove that an older brain takes in more data.B.To prove that an older brain sifts though a clutter of information.C.To prove that older adults do better in reading comprehension.D.To prove that distraction never happens to young peopl(3).What is the purpo
12、se of the 9th paragraph?(分数:1.00)A.To show that older people are easily distracted.B.To show that older people take more information.C.To show the practical benefit of distractibility.D.To show how wise older people ar(4).Which of the following is NOT true according to the passage?(分数:1.00)A.Brains
13、do not deteriorate with age.B.Distractibility may not be a bad thing.C.Extra details steal peoples attention.D.Older brains can transfer the information theyve soaked up from one situation to another.(5).Which of the following might be the best title for this passage?(分数:1.00)A.Distractibility Prove
14、n to Be Good.B.New Achievement in Neurology.C.Older Brain, More Information.D.Older Brain May Be Really a Wiser Brain.三、TEXT B(总题数:1,分数:5.00)The great myth about divorce is that marital breakup is an increasing threat to American families, with each generation finding their marriages less stable tha
15、n those of their parents.Last weeks release of new divorce statistics led to a smorgasbord of reporting feeding the myth. This newspaper warned readers, “Dont stock up on silver anniversary cards“ because “women and men who married in the late 1970s had a less than even chance of still being married
16、 25 years later.“ And apparently things are getting worse, as “the latest numbers suggest an uptick in the divorce rate among people married in the most recent 20 years covered in the report, 1975 1994.“ Other major newspapers ran similar articlesThe story of ever-increasing divorce is a powerful na
17、rrative. It is also wrong. In fact, the divorce rate has been falling continuously over the past quarter-century, and is now at its lowest level since 1970. While marriage rates are also declining, those marriages that do occur are increasingly more stable. For instance, marriages that began in the
18、1990s were more likely to celebrate a 10th anniversary than those that started in the 1980s, which, in turn, were also more likely to last than marriages that began back in the 1970s.Why were so many analysts led astray by the recent data? Understanding this puzzle requires digging deeper into some
19、rather complex statistics.The Census Bureau reported that. slightly more than half of all marriages occurring between 1975 and 1979 had not made it to their 25th anniversary. This breakup rate is not only alarmingly high, but also represents a rise of about 8 percent when compared with those marriag
20、es occurring in the preceding five-year period.But heres the rub. The census data come from a survey conducted in mid-2004, and at that time, it bad not yet been 25 years since the wedding day of around 1 in 10 of those whose marriages they surveyed. And if your wedding was in late 1979, it was simp
21、ly impossible to have celebrated a 25th anniversary when asked about your marriage in mid-2004.If the census survey had been conducted six months later, it would have found that a majority of those married in the second half of 1979 were happily moving into their 26th year of marriage. Once these ma
22、rriages are added to the mix, it turns out that a majority of couples who tied the knot from 1975 to 1979-about 53 percent-reached their silver anniversary.This surveying glitch affected only the most recent data. Still, factoring in an appropriate adjustment yields the conclusion that divorce rates
23、 have been falling, not rising. This is not just statistical smoke and mirrors, the Census Bureau warned that the most recent data understate the true stability of recent marriages. But a warning buried in a footnote does not always make the headlines, (Indeed, this newspaper reprinted the table, bu
24、t omitted the warning. )The narrative of rising divorce is also completely at odds with counts of divorce certificates, which show the divorce rate as having peaked at 22.8 divorces per 1,000 married couples in 1979 and to have fallen by 2005 to 16.7.Why has the great divorce myth persisted so power
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