大学六级-959及答案解析.doc

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1、大学六级-959 及答案解析(总分：710.00，做题时间：90 分钟)一、Part Writing(总题数：1，分数：106.50)1.Directions: For this part you are allowed 30 minutes to write a short essay on the topic My Views on Food Wasting. You must give sound arguments to support your point of view. You should write at least 150 words but no more than 20

2、0 words. （分数：106.50）_二、Part Listening Com(总题数：0，分数：0.00)三、Section A(总题数：4，分数：106.50)（分数：35.50）A.It isn“t faster.B.It is more direct.C.It is less expensive.D.There is less traffic.A.She“ll let the man use her computer.B.She“s happy that the Student Center is getting more computers.C.She“d like to buy

3、 a computer.D.She hopes to take a computer science course soon.A.He moved to another university.B.He went to the laboratory.C.He was knocked by a car.D.He fell ill.A.Relatives.B.Neighbors.C.Colleagues.D.Roommates.A.Because he doesn“t have a good knowledge of English.B.Because the novel is too diffic

4、ult to understand.C.Because he is so young.D.Because she didn“t understand it either.（分数：21.30）A.Some assignments for next week.B.Some course problems.C.Some plans for future job.D.Some problems about books.A.He“s never missed a meeting.B.He has poor ears.C.He had to attend another meeting.D.He neve

5、r listens.A.A weatherman.B.An airline steward.C.A clerk at the airport information desk.D.A taxi driver.Questions 9 to 11 are based on the conversation you have just heard. （分数：21.30）A.They will fall slightly.B.They will increase a little bit.C.They are hard to estimate.D.They will remain the same.A

6、.Increasing demands for goods.B.Slight rise in consumer prices.C.Difficulty in borrowing money.D.Not mentioned.A.He is optimistic about the petrol prices.B.He is worried about the increase in the petrol prices.C.He is not sure about the petrol prices.D.He is pleasant for the decrease in the petrol p

7、rices.Questions 12 to 15 are based on the conversation you have just heard. （分数：28.40）A.In the newspaper.B.On the radio.C.In the advertisement.D.From her roommate.A.Secure more student parking spaces.B.Preserve an open space on campus.C.Get more funding for their group.D.Schedule a meeting with coll

8、ege administrators.A.Go to class.B.Go on a picnic.C.Attend a meeting.D.Attend the rally.A.Help the man plan a student rally.B.Use the student parking lot.C.Make a donation to support the group.D.Sign a petition.四、Section B(总题数：0，分数：0.00)五、Passage One(总题数：1，分数：21.30)Questions 16 to 18 are based on th

9、e passage you have just heard. （分数：21.30）A.To avoid further study.B.To earn money for college.C.To have a chance to travel.D.To follow the fashion.A.Sympathy.B.Critical.C.Negative.D.Supportive.A.Colleges and universities.B.Time.C.Finance.D.Classmates.六、Passage Two(总题数：1，分数：21.30)Questions 19 to 21 a

10、re based on the passage you have just heard. （分数：21.30）A.An individual“s brain.B.An individual“s parents.C.An individual“s growth environment.D.An individual“s genes.A.It can be built up by education.B.It stays the same throughout one“s life.C.It can be predicted at birth.D.It is fully-developed dur

11、ing one“s childhood.A.To show that twins have identical IQs.B.To show how vital environment is in fostering one“s intelligence.C.To show how critical human brains are in determining one“s intelligence.D.To show that twins“ IQs are independent of the education they receive.七、Passage Three(总题数：1，分数：28

12、.40)Questions 22 to 25 are based on the passage you have just heard. （分数：28.40）A.It is usually done only by a doctor.B.It usually makes the services of a doctor unnecessary.C.It is usually done by the victim himself.D.It is usually done by some amateur.A.Scare.B.Confusion.C.Excitement.D.Anger.A.Find

13、ing out the cause of the accident.B.Telling where the nearest hospital is.C.Telephoning a friend or a relative.D.Summoning an ambulance.A.Give him immediate care.B.Reassure him that help is at hand.C.Make him as comfortable as possible.D.Move all parts of the victim“s body to find the injuries.八、Sec

14、tion C(总题数：1，分数：71.00)Natural disasters affect people at all levels. The experience can cause people to feel angry, 1 , and afraid. Mental health experts are worried about children who experience a 2 event before they are eleven years of age. They say such children are three times more likely to dev

15、elop 3 problems than those who experience their first tragedy later in life. Experts say children are better able to deal with a tragedy if parents, friends and other 4 help them understand the experience. They say help should start as soon as possible after the event. Experts 5 a number of suggesti

16、ons about how to explain a tragedy to children. They say that how adults react to a child“s feelings and questions is important to helping a child feel safe again. First, experts say parents should try to control their reaction to the tragedy. Parents should remain as 6 as possible. They say childre

17、n will react to what they see. Next, adults should help children feel 7 . Listen to the worries children 8 , without judging them. Parents should talk to their children. Tell children repeatedly that they and other loved ones are safe. Also, family members need to 9 in one area and spend more time t

18、ogether. Some experts ask adults to limit their time with radio or television when children are present. Experts also suggest that parents return to their normal 10 as soon as possible. They say people of all ages like to have an established way of doing things. （分数：71.00）填空项 1:_填空项 1:_填空项 1:_填空项 1:

19、_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_九、Part Reading Compr(总题数：0，分数：0.00)十、Section A(总题数：1，分数：35.50)Eat like a Greek, and it could cut your risk of having a heart attack, stroke, or dying from heart disease by about 30 percent, according to an attention-grabbing 1 published this week in the New

20、 England Journal of Medicine. While this is far from the first paper to find a 2 between the Mediterranean diet and heart health, it is unique because of its large size and design. It randomized a group of more than 7,000 people at high risk of heart disease to follow either one of two kinds of Medi

21、terranean diets (one supplemented with olive oil and one with nuts) or a low-fat diet. This is the most 3 way to show that the diet itself was causing the differences in health outcomes. The 4 in the study, men and women between ages 55 and 80, had either type 2 diabetes or at least three major risk

22、 factors for heart disease, such as smoking, obesity, high blood pressure, high LDL cholesterol or low HDL cholesterol. So what did they eat, exactly? The two groups of 5 dieters were 6 to eat fish and legumes three times a week, eat white meat instead of red, and avoid processed cookies and cakes.

23、One group was told to use at least four tablespoons of extra virgin olive oil daily; the other was encouraged to eat an ounce of nuts each day. The low-fat dieters, it 7 out, actually didn“t lower their fat intake much. They basically ate their usual diet, including red meat, soda, and processed foo

24、ds. 8 with the group on the low-fat diet, the olive oil group had a 30 percent lower risk of heart attack, stroke or dying of heart disease after five years. Those in the nuts group had a 28 percent lower risk. “The strength of this study comes from the fact that we measured hard outcomes and not ju

25、st blood pressure or changes in 9 levels,“ study author Ramn Estruch, from the Department of Internal Medicine at the Hospital Clinic of Barcelona, told Time. com. “We really believe the Mediterranean diet lowers 10 of heart attack, stroke and cardiovascular deaths.“ A. cholesterol B. pressure C. Me

26、diterranean D. subjects E. strong F. connection G. turned H. combination I. encouraged J. study K. predicted L. incidence M. Compared N. different O. powerful（分数：35.50）十一、Section B(总题数：1，分数：71.00)Opportunists and CompetitorsA. Growth, reproduction, and daily metabolism all require an organism to exp

27、end energy. The expenditure of energy is essentially a process of budgeting, just as finances are budgeted. If all of one“s money is spent on clothes, there may be none left to buy food or go to the movies. Similarly, a plant or animal cannot squander all its energy on growing a big body if none wou

28、ld be left over for reproduction, for this is the surest way to extinction. B. All organisms, therefore, allocate energy to growth, reproduction, maintenance, and storage. No choice is involved; this allocation comes as part of the genetic package from the parents. Maintenance for a given body desig

29、n of an organism is relatively constant. Storage is important, but ultimately that energy will be used for maintenance, reproduction, or growth. Therefore the principal differences in energy allocation are likely to be between growth and reproduction. C. Almost all of an organism“s energy can be div

30、erted to reproduction, with very little allocated to building the body. Organisms at this extreme are “opportunists“. At the other extreme are “competitors“, almost all of whose resources are invested in building a huge body, with a bare minimum allocated to reproduction. D. Dandelions are good exam

31、ples of opportunists. Their seed heads raised just high enough above the ground to catch the wind, the plants are no bigger than they need be, their stems are hollow, and all the rigidity comes from their water content. Thus, a minimum investment has been made in the body that becomes a platform for

32、 seed dispersal. These very short-lived plants reproduce prolifically; that is to say they provide a constant rain of seed in the neighborhood of parent plants. E. A new plant will spring up wherever a seed falls on a suitable soil surface, but because they do not build big bodies, they cannot compe

33、te with other plants for space, water, or sunlight. These plants are termed opportunists because they rely on their seeds“ falling into settings where competing plants have been removed by natural processes, such as along an eroding riverbank, on landslips, or where a tree falls and creates a gap in

34、 the forest canopy. F. Opportunists must constantly invade new areas to compensate for being displaced by more competitive species. Human landscapes of lawns, fields, or flowerbeds provide settings with bare soil and a lack of competitors that are perfect habitats for colonization by opportunists. H

35、ence, many of the strongly opportunistic plants are the common weeds of fields and gardens. G. Because each individual is short-lived, the population of an opportunist species is likely to be adversely affected by drought, bad winters, or floods. If their population is tracked through time, it will

36、be seen to be particularly unstablesoaring and plummeting in irregular cycles. H. The opposite of an opportunist is a competitor. These organisms tend to have big bodies, are long-lived, and spend relatively little effort each year on reproduction. I. An oak tree is a good example of a competitor. A

37、 massive oak claims its ground for 200 years or more, out-competing all other would-be canopy trees by casting a dense shade and drawing up any free water in the soil. The leaves of an oak tree taste foul because they are rich in tannins, a chemical that renders them distasteful or indigestible to m

38、any organisms. The tannins are part of the defense mechanism that is essential to longevity. J. Although oaks produce thousands of acorns, the investment in a crop of acorns is small compared with the energy spent on building leaves, trunk, and roots. Once an oak tree becomes established, it is like

39、ly to survive minor cycles of drought and even fire. A population of oaks is likely to be relatively stable through time, and its survival is likely to depend more on its ability to withstand the pressures of competition or predation than on its ability to take advantage of chance events. K. It shou

40、ld be noted, however, that the pure opportunist or pure competitor is rare in nature, as most species fall between the extremes of a continuum, exhibiting a blend of some opportunistic and some competitive characteristics. L. Oak wood has a density of about 0.75g/cm 3 , great strength and hardness,

41、and is very resistant to insect and fungal attack because of its high tannin content. It also has very appealing grain markings, particularly when quarter-sawn. M. Oak planking was common on high status Viking longships in the 9th and 10th centuries. The wood was hewn (砍) from green logs, by axe and

42、 wedge, to produce radial planks, similar to quarter-sawn timber. Wide, quarter-sawn boards of oak have been prized since the Middle Ages for use in interior paneling of prestigious buildings such as the debating chamber of the House of Commons in London and in the construction of fine furniture. N.

43、 Oak wood, from Quercus robur and Quercus petraea, was used in Europe for the construction of ships until the 19th century, and was the principal timber used in the construction of European timber-framed buildings. Today oak wood is still commonly used for furniture making and flooring, timber frame

44、 buildings, and for veneer production. Barrels in which wines, sherry, and spirits such as brandy, Scotch whisky and Bourbon whiskey are aged are made from European and American oak. The use of oak in wine can add many different dimensions to wine based on the type and style of the oak. Oak barrels,

45、 which may be charred before use, contribute to the colour, taste, and aroma of the contents, imparting a desirable oaky vanillin flavour to these drinks. The great dilemma for wine producers is to choose between French and American oak woods. French oaks (Quercus robur, Quercus petraea) give the wi

46、ne greater refinement and are chosen for the best wines since they increase the price compared to those aged in American oak wood. American oak contributes greater texture and resistance to ageing, but produces more violent wine bouquets. Oak wood chips are used for smoking fish, meat, cheeses and o

47、ther foods. O. Japanese oak is used in the making of professional drums from manufacturer Yamaha Drums. The higher density of oak gives the drum a brighter and louder tone compared to traditional drum materials such as maple and birch. In hill states of India, besides fuelwood and timber, the local

48、people use oak wood for making agricultural implements. The leaves are used as fodder during lean period and bedding for livestock.（分数：71.00）(1).Growth, reproduction, and daily metabolism all require a plant to expend energy.（分数：7.10）(2).A massive oak claims its ground for 200 years or more, winning

49、 all other would-be canopy trees by casting a dense shade and drawing up any free water in the soil.（分数：7.10）(3).The energy stored by a plant would be used for maintenance, reproduction, or growth ultimately.（分数：7.10）(4).Opportunist and competitor are different and complementary.（分数：7.10）(5).Almost all of an organism“s energy can b