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1、2021GRE考试真题卷（6）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.APOSTROPHE: OMISSION :Aellipsis: commentaryBparenthesis: clarificationCsynopsis: documentDcolon: attentionE(E) period: digression 2.ABSTAIN: SENSUALIST :Acovet: stoicBgull: lawyerCadjust: apostateDchallenge: m
2、utineerE(E) gorge: benefactor 3.ENTOMOLOGY: INSECTS :Arhetoric: moralsBlogistics: reasoningCtheology: truthDepistemology: knowledgeE(E) ethics: ceremony 4.LOUTISH: GRACE :Abanal: reparteeBselfish: egoCcomely: hatredDfiendish: impatienceE(E) retentive: memory 5.PURIST: ADULTERATION :Amartinet: indisc
3、iplineBsloth: languidnessCchief: instructionDmilitarist: passionE(E) aesthete: equitability 6.It can be inferred from the passage that economic theory as it presently stands would most likely apply to which of the following situationsAA parliamentary system, where senior members vote by secret ballo
4、t.BAn arts guild, where voting authority is determined by the level of skill at a craft.CA fan club, where a president elects other members of the club.DA board of trustees group, where all members vote to make company decisions.E(E) A monarchy, where a king consults his vassal lords before making d
5、ecisions. 7.Which of the following best describes the organization of the passageAA description of a problem in one area of economics, followed by a revision of the description for two other areas.BA description of a problem in one area economics, followed by a successful counter-example, then the d
6、escription of a problem in a second area.CA description of the successful application of economics to one subject, followed by a description of its limitations in two other areas.DA description of one area of economics, whose problems are compared with those of two other areas of economics.E(E) A cr
7、itical distinction between problems in two separate areas of economics. 8.The author refers to the illusion of seeing crowds primarily in order toAillustrate that relativity theory remains a useful tool in determining the topology of the universeBindicate a descriptive advantage that toruses might h
8、ave over Euclidean or hyperbolic universesCargue that empirical methods of determining the shape of the universe are invariably doomed to failureDsuggest that the common sense behind the notion that the universe is simply- connected may be misguidedE(E) assert that two models of the geometry of the
9、universe may vary in terms of observable predictions but be mathematically equivalent 9.According to the passage, an important limitation of relativity theory is thatAit fails to describe space on a non-local level, complicating attempts to determine the geometrical model of the universeBit cannot a
10、ccount for the possibility that the universe may be multiply- connected instead of singly-connectedCit yields inconsistencies in spatial topology equations, discriminating unnecessarily between the torus and the planeDit creates the illusion that observable space is curved, when in fact the universe
11、 may be Euclidean and planarE(E) it does not provides sufficient variety in geometrical models to describe all the possible ways in which space may curve 10.Which of the following might serve as the most appropriate title for the passageASmall Groups and Governments, A Comparison of Two Economic Met
12、hodsBSocial Obligation and the Consumer: A Case StudyCRegular vs. Irregular Systems in EconomicsDThe Comparative Strength of Economics in Various AreasE(E) The Triumph of Analysis in Economic Theory 11.The author would regard the idea that the universe inhabits a spherical geometry asAunimportantBun
13、scientificCself-evidentDplausibleE(E) unlikely 12.The ancient notion (line 14) to which the author refers to is the idea thatAinfinite space, by definition, can exist but cannot be observed from an external reference pointBin order for there to be an outside to the universe, the ultimate physical re
14、ality must be a Euclidean planar spaceCone cannot observe the edge of any object, including the universe, except by using a perspective external to itDthe universe can always be redefined to include what is beyond an absolute reference pointE(E) the universe is a hypersphere which must be embedded i
15、n higher-dimensional space than that given by Euclidean geometry 13.Which of the following best describes the relationship of the second paragraph to the firstAThe second paragraph limits the applicability of the theoretical method described in the first paragraph.BThe second paragraph provides furt
16、her elaboration on why an assertion made at the end of the first paragraph proves true in most cases.CThe second paragraph provides additional information in support of a hypothesis stated in the first paragraph.DThe second paragraph provides an example of a case in which the assumption described in
17、 the first paragraph is warranted.E(E) The second paragraph describes a phenomenon that has the same cause as the phenomenon described in the first paragraph. 14.Which of the following does the passage imply about the notion that the universe may be based on a spherical geometryAOf the three models
18、of spatial curvature proposed by Einstein, only spherical geometry contradicts the Euclidean model.BThe primary evidence for the notion is that that observers cannot see spatial flexure directly, but perceive it as gravitational attraction.CSpace mapped on the spherical geometrical model may curve i
19、n one of three ways, as Einstein proposed.DSpheres typically contain only three dimensions, whereas most models of the universe attribute it at least four.E(E) Scientists are skeptical, given that mass and energy quantities seem insufficient, yet ultimately do not know enough to dismiss the notion.
20、15.In the passage, the author is primarily concerned withAsearching for an accurate method of determining whether the universe is finite or infiniteBdiscussing problems and possibilities involved in providing a definite picture of the shape of the universeCdeclaring opposition to the notion that sph
21、erical geometry is a possible model for the shape of the universeDcriticizing discredited theories about the possible topologies of the universeE(E) refuting the idea that there is no way to tell whether the universe is finite and if so what shape it has 16.LEVITY:AgravityBhappinessCimmoralityDaudac
22、ityE(E) reality 17.SALUBRIOUS:Agradually disabledBnastyCunwellDclumsily handledE(E) disgusting 18.OBDURATE:AinefficientBcandidCdishonestDexpressiveE(E) complaisant 19.WAFFLE:AlaudBexpress clearlyCpersist stubbornlyDdismissE(E) build up 20.INCIPIENT:AflavorfulBfull-fledgedCunambiguousDabundantE(E) en
23、thusiastic 21.LACONIC:AobdurateBunableChappyDgarrulousE(E) blatant 22.DECOROUS:AunappealingBimprobableCimpenitentDinappropriateE(E) painful 23.LUMBER:AopposeBglideCveerDmake straightE(E) muffle 24.The separation of religion from the state does not mean the establishment of irreligion by the state, s
24、till less the imposition of - philosophy.Aa parochialBa secularCa liberalDa piousE(E) an aristocratic 25.QUIESCENCE:AdubiousnessBrudenessCquick descentDfirm beliefE(E) uneasy event 26.LEVITY:AgravityBhappinessCimmoralityDaudacityE(E) reality 27.EXECRABLE:AincorrigibleBlaudableCnaiveDabundantE(E) sag
25、acious 28.According to the passage, the dynamics of small group economies differ from those of large group economies in thatAthe members of small groups tend to have a greater degree of social regularity than the members of large groupsBpeople in small groups carry an advantage in the arena of excha
26、nge because they are tied by social obligationCthe manufacturer of a commodity in a small group economy is more likely to be known by the members of the groupDthe people who contribute to the production of a gift are less essential to small groups than those who exchange commodities are in large gro
27、upsE(E) a system of social obligation diminishes the number of parties necessary to a gift-giving transaction 29.Which TWO of the following items must people take with themA sandalsB old clothesC pulloverD shirt with long sleevesE soft drinksF hat 30.Which TWO accommodation options mentioned are nea
28、r the paragliding schoolA campingB youth hostelC familyD backpackers innE caravan parkF bed and breakfastG cheap hotel 31.Lake Michigan is the third (large) of the American Great Lakes and (the only) one (lying) wholly (within) the United States. 32.(Many) films (produced) in the United States (duri
29、ng) the 1930s were set in the American Civil War period and the years following (them.) 33.Children (who) form a positive self-concept are more assertive, optimistic, (confidence), and sociable (than those) who (do not). 34.Intaglio printing is the (oppose )of relief printing, since (the printing) i
30、s (done )form ink that (is below )the surface of the plate. 35.Form the outset, (the) formulation and teaching of technique figured (prominently) in the (development) of American modern (dancer). 36.Oil shales, (which may) furnish a (significantly) fraction of the worlds future energy, vary in richn
31、ess, (yielding) from four to fifty percent oil (by weight). 37.Government comprises the set of legal and political institutions (that) regulate the relationships (among) members of (a )society and between the society (or) outsiders. 38.Niagara Falls (is) not (only one) of (North Americas greatest) t
32、ourist attractions but (also source) of hydroelectricity. 39.(Although) the beaver is a (powerful) swimmer, it has difficulty (moves) the logs and braches it (needs for) building and for food. 40.True cedars are (members) of the pine family and are 120 to 150 (feet tall), with (erect )cones and (bun
33、ches short), needlelike leaves. 41.Grandma Moses, the well-known American artist, began (to paint) at the age of 76 (when) she could (no long) do needlework because of arthritis. 42.(In) warm-blooded animals, body temperature (are) maintained within narrow (limits) regardless of the temperature of t
34、he animals (surroundings). 43.Bret Harte, (which) best-known works describe life in California in the mid-1800s, (helped shape) the (literary) movement (called) local-color writing. 44.(With the) Democrats adoption of (economic) radicalism in the 1890s, (and the) Republicans emerged as the (majority
35、 party) in the United States. 45.(The more) kinetic (energy in) the particles of (a material), the (hottest) the material is. 46.Weather forecasting was of vital (important) in the seafaring (and agricultural) lives (led by) the seventeenth-century European colonists (in what) is now the United Stat
36、es. 47.One (common) herb of the mint family is thyme, the (dried) leaves and flowering tops of which (is) used (to flavor) many different food. 48.Birds usually (have very) well-developed sense of (sight), and the optic lobes of (their brains) are (correspondingly) large. 49.Peter Cooper launched a
37、number of (successful) commercial (enterprise), including the Canton Iron Works in Baltimore, (which produced) the first (commercially operated) North American steam locomotive. 50.Fainting (is caused) by stoppage of the blood supply to brain, due to (temporary) heart (fail) from shock, (weakness), or exhaustion.第18页 共18页第 18 页 共 18 页第 18 页 共 18 页第 18 页 共 18 页第 18 页 共 18 页第 18 页 共 18 页第 18 页 共 18 页第 18 页 共 18 页第 18 页 共 18 页第 18 页 共 18 页第 18 页 共 18 页