[外语类试卷]大学英语六级改革适用（听力）模拟试卷57（无答案）.doc

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1、大学英语六级改革适用（听力）模拟试卷 57（无答案）Section C0 The e-score is a consumer rating metric used to determine an individuals potential value as a customer and to use that information to guide marketing efforts. E-score algorithms (算法 ) factor in variables such as salary,【B1】_,home value, debt load and shopping his

2、tory, and assign a【B2 】_score.E-scores are often used to【B3】_an appropriate level of marketing and the types of offerings that are likely to be successful with a given consumer. Perhaps even more impor tantly,e-scores can indicate which consumers are unlikely to be profitable,so marketing【B4】_will n

3、ot be wasted.However, thee-score has no【B5 】_on an individuals credit rating and cannot be【B6】_for financial dealings such as loan applications.A number of companies provide consumer e-scores to other businesses. eBureau, a St. Cloud, Minnesota-based company, provides a service that they call eScore

4、. Heres how the eBureau service works: A customer, such as a credit card company, provides eBureau with a list of leads (names of potential customers) and a list of existing customers that were first【B7】_ leads. EBureau associates the names with【B8】_ details and the software adds additional data ass

5、ociated with those details. The data from potential customers are compared with data from existing customers to determine the e-scores for individuals on the list of leads. Based on those e-scores, the credit card company can decide what type of card to offer to each individual and determine which i

6、ndividuals are not good【B9】_.E-score information is not made【B10 】 _consumers.1 【B1 】2 【B2 】3 【B3 】4 【B4 】5 【B5 】6 【B6 】7 【B7 】8 【B8 】9 【B9 】10 【B10 】10 For centuries men dreamed of achieving vertical flight. In 400 A.D. Chinese children played with a fan-like toy that spun upwards and fell back to

7、earth as rotation ceased. Leonardo da Vinci con ceive the first mechanical【B1】_,called a “Helix,“ which could carry man straight up, but was only a design and was never tested.The ancient-dream was finally realized in 1940 when a Russian engineer piloted a strange look ing craft of steel tubing with

8、 a rotating fan【B2】_.It rose awkwardly and verti cally into the air from a standing start,hovered a few feet above the ground,went【B3】_and backwards, and then settled back to earth. The vehicle was called a helicopter.Imaginations were fired. Men dreamed of going to work in their own personal helico

9、pters. Peo ple anticipated that vertical flight transports would carry millions of passengers as do the airliners of today. Such fantastic expectations were not【B4 】_.The helicopter has now become an extremely useful machine. It【B5】_in military missions, carrying troops, guns and【B6】_ instruments wh

10、ere other air craft cannot go. Corporations use them as airborne offices, many metropolitan areas use them in po lice work, construction and logging companies employ them in various【B7】_ways, engineers use them for site selection and surveying, and oil companies use them as the best way to make offs

11、hore and remote work stations【B8 】_crews and supplies. Any urgent mission toa hard-to-get-to placeisa likely task for a helicopter.Among their other【B9】_of use:deliver people across town,fly to and from airports,【B10】_ rescue work, and aid in the search for missing or wanted persons.11 【B1 】12 【B2 】

12、13 【B3 】14 【B4 】15 【B5 】16 【B6 】17 【B7 】18 【B8 】19 【B9 】20 【B10 】20 A happy marriage has been shown to lower the risks of stress-related health conditions, but new research shows marital stress can have the opposite effect, and make some married people more【B1】_depression.The findings, by University

13、 of Wisconsin-Madison researchers and published in the Journal of Psychophysiologic, indicate【B2】_marital stress makes it more difficult for some people to enjoy positive life experiencesa【B3】_of depression. Individuals in bad marriages are also more likely to report other depressive symptoms. Lead

14、researcher Richard Davidson said the findingscould help researchers understand what makessome peoplemore【B4】_mental and emotional health challenges and develop new tools to help them.“This is not an obvious【B5 】_,if you will, of marital stress, but its one I think is【B6】_important because of the cas

15、cade (大量涌现的东西) of changes that may be associated,“ said Davidson. Married people are,【B7】_,happier and healthier than single people, according to numerous studies. But marriage can also be a significant source of long-lasting social stress, the researchers noted. For the study,【 B8】 _in part by the

16、National Institute on Aging, Davidson and his team surveyed a group of married indi viduals and asked them to【B9】_their stress on a six-point scale. They also【B10】_the participants for depression. Study participants who reported higher marital stress were found to have reduced ability to experience

17、positive experiences than those re porting more satisfaction in their unions.21 【B1 】22 【B2 】23 【B3 】24 【B4 】25 【B5 】26 【B6 】27 【B7 】28 【B8 】29 【B9 】30 【B10 】30 As food is to the body, so is learning to the mind. Our bodies grow and muscles develop with the intake of【 B1】_nutritious food. Likewise,

18、we should keep learning day by day to maintain our keen mental power and expand our intellectual【B2 】_.Con stant learning supplies us with inexhaustible fuel for driving us to sharpen our power of reasoning,【B3】_, and judgment. Learning incessantly is the surest way to keep pace with the times in th

19、e information age, and【B4】_ warrant of success in times of un certainty.Once learning stops, vegetation【B5 】_.It is a common fallacy to regard school as the only workshop for the【B6】_of knowledge. On the contrary, learning should be a never-ending process, from the cradle to the grave. With the worl

20、d changing so fast, to cease learning for just a few days will make a person【B7】_.Whats worse, the animal instinct dormant deep in our sub-conscious will come to life, weakening our will to pursue our noble ideas,【B8】_our determination to【B9 】_obstacles to our success and repressing our desire for t

21、he refinement of our character. Lack of learning will【B10 】_lead to the stagnation (停滞) of the mind, or even worse, its fossilization. Therefore, to stay mentally young, we have to take learning as a lifelong career.31 【B1 】32 【B2 】33 【B3 】34 【B4 】35 【B5 】36 【B6 】37 【B7 】38 【B8 】39 【B9 】40 【B10 】40

22、Chemistry did not emerge as a science until after the scientific revolution in the seventeenth century and then only rather slowly and laboriously. But chemical knowledge is as old as history,being almost entirely【B1】_the practical arts of living.Cooking is【B2】_a chemical process; so is the melting

23、of metals and the administration of drugs and poisons. This basic chemical knowledge, which was applied in most cases as a rule of thumb,was nevertheless【B3】_previous experiment.It also served to【B4 】_a fundamental curiosity about the processes themselves. New information was always being gained as

24、artisans (工匠) improved techniques to gain better results. The develop ment of a scientific approach to chemistry was, however,【B5】_by several fac tors.The most serious problem was the vast range of material available and the【B6】_difficulty of organizing it into some system. In addition, there were s

25、ocial and intellectual difficulties: chemistry is nothing if not practical; those who practice it must use their hands, they must have a certain practical talent. Yet in many ancient【B7】_,practical tasks were primarily the province of a slave population. The thinker or philosopher【B8】_ this earthly

26、world, where the practical arts appeared to lack any intellec tual content or interest. The final problem for early chemical science was the element of secrecy.Experts in【B9】_trades had developed their own techniques and guarded their knowledge to prevent others from stealing their【 B10】_.41 【B1 】42 【B2 】43 【B3 】44 【B4 】45 【B5 】46 【B6 】47 【B7 】48 【B8 】49 【B9 】50 【B10 】