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博士研究生考试
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考博英语
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单选题 {{B}}Directions:{{/B}} Below is a summary of some of the main points of the passage. Read the summary and then select the best word or phrase from the box below according to the passage. You should decide on the best choice and mark the corresponding letter on the ANSWER SHEET with a single line through the center. A porridge H storage life B malnutrition I sprouted grains C fermentation J inadequate food intake D new technology K acidity E contaminated food L unfermented food F diarrhoeal germs M weaning G traditional food N dough Malnutrition and the resulting impaired growth and development in children of weaning age in developing countries results not only from{{U}} (18) {{/U}}but also from infections caused by contaminated food. Studies have addressed the problem of inadequate intake by using sprouted grains in food preparation. Contamination has been tackled with{{U}} (19) {{/U}}. Both of these methods are, or were, used traditionally and are practical and inexpensive. Fermented foods have higher{{U}} (20) {{/U}}and also have anti-microbial qualities. This means that contamination is decreased and that their{{U}} (21) {{/U}}is increased. Fermentation occurs when{{U}} (22) {{/U}}is left to stand, occasionally with simple additives. There is, however, a trend away from this{{U}} (23) {{/U}}to commercial products.
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单选题As a defense against air-pollution damage, many plants and animals ______ a substance to absorb harmful chemicals.
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单选题His alibi was fishy, yet ______ to close scrutiny.
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单选题When the novelist Jodi Picoult was approached to write a few installments of the "Wonder Woman" comics series, her first ______ was to take the character out of her trademark. A. conspiracy B. subversion C. impulse D dissipation
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单选题Cancer is the second leading cause of death in the United States, after heart disease. In the past, it was often considered a death sentence. But many patients now live longer 1 of improvements in discovery and treatment. Researchers say death 2 in the United States from all cancers combined have fallen for thirty years. Survival rates have increased for most of the top fifteen cancers in both men and women, and for cancers in 3 . The National Cancer Institute and the Centers for Disease Control and Prevention studied the number of cancer survivors. A cancer survivor is defined 4 anyone who has been found to have cancer. This would include current patients. The study covered the period from 1971 to 2001. The researchers found there are three 5 as many cancer survivors today as there were thirty years ago. In 1971, the United States had about three million cancer survivors. Today there are about ten million. The study also found that 64% of adults with cancer can expect to still be 6 in five years. Thirty years ago, the five-year survival rate was 50%. The government wants to 7 the five-year survival rate to 70% by 2010. The risk of cancer increases with age. The report says the majority of survivors are 65 years and older. But it says medical improvements have also helped children with cancer live 8 longer. Researchers say 80% of children with cancer will survive at least five years after the discovery. About 75% will survive at 9 ten years. In the 1970s, the five-year survival rate for children was about 50%. In the 1960s, most children did not survive cancer. Researchers say they expect more improvements in cancer treatment in the future. In fact, they say traditional cancer-prevention programs are not enough anymore. They say public health programs should also aim to support the 10 numbers of cancer survivors and their families.
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单选题
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单选题Rather than allowing the government to control investments, true power, should be given to the people, allowing individually owned and privately managed investment accounts ______.Individual Retirement Accounts.
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单选题The damage to his car was ______; therefore, he could repair it himself. [A] appreciable [B] negligible [C] considerable [D] invisible
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单选题We are totally unable, after decades of experiment, to {{U}}replicate{{/U}} ancient glazed pottery.
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单选题
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单选题The nation______.the death of its great war leader.
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单选题I have a number of______to make about this hotel so I wish to see the manager.
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单选题John boasted that he could finish the job all by himself{{U}} in no time{{/U}}.
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单选题The chief functions of direct-mail advertising are to familiarize Uprospective/U buyers with a product, its name, its maker, and its merits and with the product's local distributors.
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单选题After exploring for more than half a year the ecologist felt a great ______ resulting from the rare species the team had spotted at the foot of the mountain.
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单选题She felt a bit ______ in the autumn air so she went in to fetch a coat. A. chilly B. fresh C. shivering D. cool
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单选题{{B}}Directions:{{/B}} Write your translations in your answer sheet.{{B}}Section A{{/B}}Translate the underlined sentences into good Chinese. Americans find it difficult to think about old age until they are propelled into the midst of it by their own aging and that of relatives and friends. Aging is the neglected stepchild of the human life cycle. Though we have begun to examine the socially taboo subjects of dying and death, we have leaped over that long period of time preceding death known as old age. In truth, it is easier to manage the problem of death than the problem of living as an old person. {{U}}Death is a dramatic, one-time crisis while old age is a day-by-day and year-by-year confrontation with powerful external and internal forces, a bittersweet coming to terms with one's own personality and one's life.{{/U}} (1) We base our feelings on primitive fears, prejudice and stereotypes rather than on knowledge and insight. {{U}}In reality, the way one experiences old age is contingent upon circumstances of late-life events (in what order they occur, how they occur, when they occur) and the social supports one receives: adequate finances, shelter, medical care, social roles, religious support, recreation.{{/U}} (2) All of these are crucial and interconnected elements which together determine the quality of late life. Old age is neither inherently miserable nor inherently sublime, like every stage of life it has problems, joys, fears and potentials. {{U}}The process of aging and eventual death must ultimately be accepted as the natural progression of the life cycle, the old completing their prescribed life span, and making way for the young.{{/U}} (3) Much that is unique in old age in fact derives from the reality of aging and the imminence of death. {{U}}The old must clarify and find use for what they have attained in a lifetime of learning and adapting; they must conserve strength and resources where necessary and adjust creatively to those changes and losses that occur as part of the aging experience.{{/U}} (4) The elderly have the potential for qualities of human reflection and observation which can only come from having lived an entire life span. {{U}}There is a lifetime accumulation of personality and experience which is available to be used and enjoyed.{{/U}} (5)
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单选题The changes in globally averaged temperature that have occurred at the Earth's surface over the past century are similar in size and timing to those 61 by models that take into account the combined influences of human factors and solar variability. To 62 the question of attribution requires the 63 of more powerful and complex methods, beyond the use of global averages alone. New studies have focused on 64 maps or patterns of temperature change in 65 and in models. Pattern analysis is the climatologically equivalent of the more comprehensive tests in the medical analogy mentioned 66 , and makes it possible to achieve more definitive 67 of observed climate changes to a particular cause or causes. The expected influence of human activities is thought to be much more complex than uniform warming over the entire surface of the Earth and over the whole 68 cycle. Patterns of change over space and time therefore provide a more powerful 69 technique. The basic idea 70 pattern-based approaches is that different 71 causes of climate change have different characteristic patterns of climate response or fingerprints. Attribution studies seek to 72 a fingerprint match between the patterns of climate change 73 by models and those actually observed. The most recent assessment of the science suggests that human activities have led to a discernible 74 on global climate and that these activities will have and increasing influence on future climate. The buming of coal, oil and natural gas, as well as various agricultural and industrial practices, are 75 the composition of the atmosphere and contributing to climate change. These human activities have led to increased atmospheric 76 of a number of greenhouse gases, including carbon dioxide, methane and so on in the lower atmosphere. Human activities, such as the burning of fossil, have also increased the 77 of small particles in the atmosphere. These particles can change the 78 of energy that is absorbed and reflected by the atmosphere. They are also believed to modify the 79 of air and clouds, changing the amount of energy that they absorb and reflect. Intensive studies of the climatic effects of these particles began only recently and the overall 80 is uncertain. It is likely that the net effect of these small particles is to cool the climate and to partially offset the warming of increasing concentrations of greenhouse gases.
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单选题The plane ______, its bombs exploding as it hit the ground. A. smashed B. crushed C. plunged D. crashed
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单选题The manufacture of (automobile) was (extremely) expensive (until) assembly-line techniques (made) them cheaper to produce.
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