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1、2021年辽宁GRE考试考前冲刺卷本卷共分为1大题50小题，作答时间为180分钟，总分100分，60分及格。一、单项选择题（共50题，每题2分。每题的备选项中，只有一个最符合题意） 1.Researchers at the Shimizu Institute in Japan believe it is possible to terraform Mars by making use of the planets own resources and by introducing genetically altered life from Earth. They hope these actio
2、ns will speed up the terraforming process, not just by adapting Mars to support Earth-life, but also by adapting Earthlife to exist on Mars. These experts think they can use the Martian geology itself to jump-start the planet. The theory is that detonation of thermonuclear devices deep in the Martia
3、n mountains will trigger eruptions of hot magma that would melt the frozen atmosphere, thereby releasing the components necessary for life. 2.In 1980, the cost ofp pounds of potatoes was d dollars. In 1990, the cost of 2p pounds of potatoes was dollars. By what percent did the price of potatoes decr
4、ease from 1980 to 1990A. 25%B. 50%C. 75%D. 100%E. 400%3.As concerns over mans impact on the global environment increase, many interesting innovations are being considered. For example, green roofs - plant-filled roof top gardens - are one substantial way to confront the countrys ecological problems,
5、 and there seems to be very little in the way of a downside. For one thing, a green roof acts as a sponge for rainwater, absorbing the majority of water from a typical rainstorm. Only three to five inches of soil for a green roof is sufficient for this to occur, which keeps the weight of the roof to
6、 a minimum. Because the plantings on the roof absorb the rainwater, drainage and sewage systems have a decreased volume of water pumping through them, keeping these systems from becoming over-stressed. And while, the soil and plants are absorbing rainwater, they are also taking in pollutants for the
7、ir own nourishment by storing carbon and then emitting necessary oxygen back into the atmosphere.The second and third sentences are characterized, respectively, byA. warning and justificationB. generalization and specificationC. invocation and definitionD. authority and reverenceE. confession and re
8、solution4.If A is the point (-4, 1) and B is the point (2, 1), what is the area of the circle which has AB as a diameterA. 3B. 6C. 9D. 12E. 365.As concerns over mans impact on the global environment increase, many interesting innovations are being considered. For example, green roofs - plant-filled
9、roof top gardens - are one substantial way to confront the countrys ecological problems, and there seems to be very little in the way of a downside. For one thing, a green roof acts as a sponge for rainwater, absorbing the majority of water from a typical rainstorm. Only three to five inches of soil
10、 for a green roof is sufficient for this to occur, which keeps the weight of the roof to a minimum. Because the plantings on the roof absorb the rainwater, drainage and sewage systems have a decreased volume of water pumping through them, keeping these systems from becoming over-stressed. And while,
11、 the soil and plants are absorbing rainwater, they are also taking in pollutants for their own nourishment by storing carbon and then emitting necessary oxygen back into the atmosphere.The authors main point in the passage is thatA. green roofs are expensive to install and maintainB. green roofs are
12、 both innovative and eco-friendlyC. global warming concerns have led to many new inventionsD. plant-filled roof gardens emit oxygen into the atmosphereE. green roofs are the definitive cure for global warming6.As concerns over mans impact on the global environment increase, many interesting innovati
13、ons are being considered. For example, green roofs - plant-filled roof top gardens - are one substantial way to confront the countrys ecological problems, and there seems to be very little in the way of a downside. For one thing, a green roof acts as a sponge for rainwater, absorbing the majority of
14、 water from a typical rainstorm. Only three to five inches of soil for a green roof is sufficient for this to occur, which keeps the weight of the roof to a minimum. Because the plantings on the roof absorb the rainwater, drainage and sewage systems have a decreased volume of water pumping through t
15、hem, keeping these systems from becoming over-stressed. And while, the soil and plants are absorbing rainwater, they are also taking in pollutants for their own nourishment by storing carbon and then emitting necessary oxygen back into the atmosphere.The author references the absorption capabilities
16、 of green roofs primarily in order to illustrateA. a preoccupation with style over design practicalityB. the inefficiencies of installing plantings to a buildings roofC. how green roofs lead to more efficient and less-stressed home systemsD. the increased public interest in environmental friendlines
17、s in the construction industryE. how global warming has accelerated societys interest in environmentally friendly structures7.Scientists believe that by raising atmospheric pressure and surface temperature, it is possible to transform the climate of Mars to the point where humans would be able to li
18、ve there. The process by which a hostile or unsuitable environment is transformed into one that can sustain human life is called terraforming. In addition to potentially providing an alternate home for the people of Earth in the future, this undertaking may also allow scientists to test hypotheses a
19、bout the process of global warming, which is a highly pertinent issue affecting our planet today.Which of the following can be inferred from the passage regarding the Martian atmosphereA. It has a lower pressure than Earths atmosphere.B. It has a higher surface temperature than Earth.C. It can most
20、certainly be transformed to be more like Earths atmosphere.8.For any numbers a, b, and c, For which of the following equations is it true that there is exactly one positive integer that satisfies itA. none B. only C. onlyD. and only E. , , and 9.If a is increased by 10% and b is decreased by 10%, th
21、e resulting numbers will be equal. What is the ratio of a to b 10.Directions: In the following questions, choose the best answer from the five choices listed.The Center City Little League is divided into d divisions. Each division has t teams, and each team has p players. How many players are there
22、in the entire league 11.Thousands of years ago, royalty of diverse cultures were often buried in extremely lavish tombs that they themselves commissioned in preparation for their inevitable deaths. About 2,200 years ago, a Chinese emperor named Qin Shihuang had such a tomb prepared. At the age of th
23、irteen, Qin Shihuang had succeeded his father as emperor. The boy was very aggressive and ambitious. He assumed full power at the age of 22 by ridding himself of his rival, a man who had controlled the throne while Qin Shihuang was a minor. Qin Shihuangs goal was to unify and subjugate all of the Ch
24、inese states using his powerful political, economic, and military strength. Despite an ongoing quest for immortality, Qin Shihuang died while traveling at the age of 49. Although he has been dead for centuries, historians can continue to learn of his life by studying the artifacts found in the extra
25、vagant tomb in which he was laid to rest. 12.If the average (arithmetic mean) of 10, 20, 30, 40, and x is 60, what is the value of xA. 50B. 60C. 100D. 150E. 20013.Paul drove m miles in h hours; Michelle drove the same distance in an hour less. How fast, in miles per hour, did Michelle drive 14.Total
26、 enrollment in higher education institutions, by control and type of institution: Fall 1972-95 15.Scientists believe that by raising atmospheric pressure and surface temperature, it is possible to transform the climate of Mars to the point where humans would be able to live there. The process by whi
27、ch a hostile or unsuitable environment is transformed into one that can sustain human life is called terraforming. In addition to potentially providing an alternate home for the people of Earth in the future, this undertaking may also allow scientists to test hypotheses about the process of global w
28、arming, which is a highly pertinent issue affecting our planet today.The passage addresses which of the following consequences of terraformingA. The creation of a more hospitable planet.B. The risk of overpopulation.C. The elimination of suitable environments.D. The depletion of the atmosphere.E. Th
29、e production of greenhouse gases.16.Directions: In the following questions, choose the best answer from the five choices listed.A number x is chosen at random from the set of positive integers less than 10. What is the probability that 17.Total enrollment in higher education institutions, by control
30、 and type of institution: Fall 1972-95 18.Directions: In the following questions, choose the best answer from the five choices listed. 19.For how many positive integers m 100 is (m -5)(m -45) positiveA. 45B. 50C. 58D. 59E. 6020.Average expected family contribution (EFC) for dependent students, by fa
31、mily income: Academic year 1995-96 21.In 1979, Margaret Thatcher became Prime Minister of Great Britain. Her accession was one of the most important steps in finally making the Chunnel a reality. Thatcher had made it part of her political platform, finally giving the project full political weight. S
32、till, it was not until two years later, when Thatcher met with French President Francois Mitterand for one of their routine economic meetings, that she and he organized a committee to take a new and serious look at building the Chunnel. Both political leaders felt that the underwater tunnel would be
33、 advantageous to their respective countries by bringing important financial support to local businesses as well as providing jobs to counteract growing unemployment. Both Thatcher and Mitterand also knew that it would enhance their image worldwide and leave behind a legacy of their respective times
34、in office. 22.Average expected family contribution (EFC) for dependent students, by family income: Academic year 1995-96 23.Reading 2 Looking at Theatre HistoryAccording to paragraph 1, why is it impossible to identify the time period for theatres in GreeceA. There are too few sites that have been e
35、xcavated and very little data collected about them.B. The archeologists from earlier periods were not careful, and many artifacts were broken.C. It is confusing because stones from early sites were used to build later structures.D. Because it is very difficult to date the concrete that was used in c
36、onstruction during early periods.24.Reading 1 Resources and Industrialism in CanadaWhy does the author mention the railroads in paragraph 1A. Because miners were traveling to camps in the WestB. Because mineral deposits were discovered when the railroads were builtC. Because the western frontier was
37、 being settled by familiesD. Because traders used the railroads to transport their goods25.Reading 3 Geothermal EnergyIn paragraph 1, the author introduces the concept of geothermal energy byA. explaining the history of this energy source worldwideB. arguing that this energy source has been tried un
38、successfullyC. comparing the production with that of other energy sourcesD. describing the alternatives for generating electric power26.Reading 2 Looking at Theatre HistoryWhat can be inferred from paragraph 1 about the skene in theatre historyA. Drawings in books are the only accurate visual record
39、s.B. Not enough evidence is available to make a precise model.C. Archaeologists have excavated a large number of them.D. It was not identified or studied until the early 1800s.27.Listening 4 College CampusWhat is the purpose of this conversationA. The woman is encouraging the man to be more serious
40、about his studies.B. The woman is looking for alternatives to living in dormitory housing.C. The man is convincing the woman to join the International Student Association.D. The man is trying to find out why the woman didnt go to the talent show.28.Listening 2 Art History ClassWhat is the discussion
41、 mainly aboutA. Catherine de Medicis entertainmentsB. The figures for court dancingC. The development of the balletD. The relationship between dance and meals29.Reading 5 Physical and Chemical Properties and ChangesAccording to paragraph 1, what do physical properties and chemical properties have in
42、 commonA. They are both used to create most of the substances.B. They include basic substances like sugar and water.C. They are classified as characteristic properties of substances.D. They change in proportion to the amount of the substance.30.Listening 3 Linguistics ClassWhat is the discussion mai
43、nly aboutA. The history of the English languageB. Different types of grammarC. A linguistic perspective for LatinD. Standard language in schools31.Reading 4 Migration from AsiaThe word distinctive in the passage is closest in meaning toA. newB. simpleC. differentD. particular32.Reading 2 Looking at
44、Theatre HistoryThe word primary in the passage is closest in meaning toA. reliableB. importantC. unusualD. accepted33.Listening 1 Professors OfficeWhy does the man go to see his professorA. To prepare for the next midtermB. To clarify a question from the midtermC. To find out his grade on the midter
45、mD. To complain about his grade on the midterm34.Reading 3 Geothermal EnergyWhat is true about geothermal energy production worldwideA. Because it is a new idea, very few countries are developing geothermal energy sources.B. Only countries in the Southern Hemisphere are using geothermal energy on a
46、large scale.C. Until the cost of geothermal energy becomes competitive, it will not be used globally.D. Geothermal energy is already being used in a number of nations, but it is not yet a major source of power.35.Reading 1 Resources and Industrialism in CanadaIn paragraph 1, the author identifies Su
47、dbury asA. an important stop on the new railroad lineB. a large market for the metals produced in OntarioC. a major industrial center for the production of nickelD. a mining town in the Klondike region36.Listening 2 Art History ClassWhy does the professor say this:A. To end his explanation and begin
48、 the lectUreB. To apologize to the students about their testsC. To comment about the students gradesD. To regain the attention of the class37.Reading 5 Physical and Chemical Properties and ChangesThe word pertain in the passage is closest in meaning toA. compareB. relateC. explainD. change38.Listening 4 College CampusWhat does the ma