[考研类试卷]考研英语(阅读)模拟试卷106及答案与解析.doc
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1、考研英语(阅读)模拟试卷 106 及答案与解析Part ADirections: Read the following four texts. Answer the questions below each text by choosing A, B, C or D. (40 points)0 One day in 2008 an anonymous Twitter user posted a message: “I am certainly not bored, way busy! feel great!“ That is all well and good, one might think
2、, but utterly uninteresting to anyone besides the author and, perhaps, a few friends. Not so, according to Johan Bollen, of Indiana University Bloomington, who collected the tweet, along with plenty of others sent that day. All were rated for emotional content. Many proved similarly chirpy, scoring
3、high on confidence, energy and happiness. Indeed, Dr Bollen reckons, on the day the tweet was posted, Americas collective mood perked up a notch. When he and his team examined all the data for the autumn and winter of 2008, they found that Twitter users collective mood swings coincided with national
4、 events. Happiness shot up around Thanksgiving, for example.The idea of tapping web-based data to build a real-time measure of users emotions and preferences is not new. Nor is that of using the results to predict their behaviour. Interest in internet forecasting was sparked by a paper published in
5、2009 by Hal Varian, Googles chief economist. He found that the peaks and troughs in the volume of Google searches for certain products, such as cars and holidays, preceded fluctuations, in sales of those products. Other researchers have shown that searches for job-related terms are a good predictor
6、of unemployment rates and that mentions of political candidates on Twitter correlate with electoral outcomes.Dr Bollen spotted another curious correlation. When he compared trends in the national mood with movements of the Dow Jones Industrial Average(DJIA)he noticed that changes in one of the mood
7、measures seven components, anxiety, predicted swings in the share-price index. Spikes in anxiety levels were followed, around three days later, by dips in the price of shares. Why this happens remains unclear, but one possible explanation is that the falling prices were caused by traders tendency to
8、 exit risky positions when feeling strung up.Dr Bollens algorithm, which he described in a paper published in February in the Journal of Computational Science, has been licensed to Derwent Capital Markets, a hedge fund based in London. Derwent will use it to help guide the investments made with a 25
9、m($41m)fund that the firm hopes to launch in the next few months. Other funds are rumoured to be using similar tricks already.All such initiatives face a problem, though. Humans excel at extracting meaning and sentiment from even the tiniest snippets of text, a task that stumps machines. To a comput
10、er, a tweet that reads “Feeling joyful after my trip to the dentist. Yeah, really“ says that the author has been to the dentist and is now happy. Researchers have recently made strides in teaching machines to recognise such sarcasm, as well as double meanings or cultural references.1 We can infer fr
11、om Paragraph 1 that_.(A)Dr. Bollen has examined all the Internet data of 2008 to do his research(B) tweets of one person is totally boring, even to his/her friends(C) one Tweeter users feeling cannot represent Americas collective mood(D)Tweeter users mood in the second half of 2008 accorded with the
12、 countrys events2 By mentioning Hal Varian, the author intends to state that_.(A)his finding has aroused thinking and research on predictions based on Internet data(B) his finding has predicted the increase of unemployment rate(C) his finding has forecast the price fluctuation of certain products(D)
13、his finding has been highly valued by being published on newspaper3 Share-price goes down probably because of_.(A)the hedge funds tricks having been revealed(B) peoples concern about political election(C) expertsprediction of swings in the index(D)peoples tendency to retreat investment when anxious4
14、 The underlined word “stump“ refers to_.(A)need(B) puzzle(C) surpass(D)redefine5 What does the quoted content of the last paragraph means?(A)The algorithm of computers guided some fund companies investment.(B) Machines cannot tell the hidden meaning of peoples words.(C) The slang about dentist confu
15、ses computers.(D)People are good at analyzing the meaning and mood of a text.5 The good news made headlines nationwide: Deaths from several kinds of cancer have declined significantly in recent years. But the news has to be bittersweet for many cancer patients and their families. Every year, more th
16、an 500000 people in the United States still die of cancer. In fact, more than half of all patients diagnosed with cancer will die of their disease within a few years. And while its true survival is longer today than in the past, the quality of life for these patients is often greatly diminished. Can
17、cerand many of the treatments used to fight itcauses pain, nausea, fatigue, and anxiety that routinely go undertreated or untreated.In the nations single-minded focus on curing cancer, we have inadvertently devalued the critical need for palliative care, which focuses on alleviating physical and psy
18、chological symptoms over the course of the disease. Nothing would have a greater impact on the daily lives of cancer patients and their families than good symptom control and supportive therapy. Yet the National Cancer Institute(NCI), the federal governments leader in cancer research and training, s
19、pent less than one percent of its 1999 budget on any aspect of research or training in palliative care.The nation needs to get serious about reducing needless suffering. NCI should commit to and fund research aimed at improving symptom control and palliative care. NCI also could designate “centers o
20、f excellence“ among the cancer centers it recognizes. To get that designation, centers would deliver innovative, top-quality palliative care to all segments of the populations the centers serve; train professionals in medicine, nursing, psychology, social work, and other disciplines to provide palli
21、ative care; and conduct research.Insurance coverage for palliative and hospice care also contributes to the problem by forcing people to choose between active treatment or hospice care. This “either/or“ approach does not readily allow these two types of essential care to be integrated. The Medicare
22、hospice benefit is designed specifically for people in the final stages of illness and allows enrollment only if patients are expected to survive six months or less. The benefit excludes patients from seeking both palliative care and potentially life-extending treatment.That makes hospice enrollment
23、 an obvious deterrent for many patients. And hospices, which may have the most skilled practitioners and the most experience in administering palliative care, cannot offer their services to people who could really benefit but still are pursuing active treatment.It is innately human to comfort and pr
24、ovide care to those suffering from cancer, particularly those close to death. Yet what seems self-evident at an individual, personal level has not guided policy at the level of institutions in this country. Death is inevitable, but severe suffering is not. To offer hope for a long life of the highes
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