GRE-37及答案解析.doc

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1、GRE-37及答案解析(总分：50.02，做题时间：90 分钟)一、BSECTION 3/B(总题数：24，分数：30.00)1.The _ of sediment in the river caused concern among environmentalists and industrialists alike; the water levels in the river were being reduced almost daily.（分数：1.00）A.(A) accretionB.(B) disposalC.(C) catalystD.(D) alienationE.(E) eth

2、nology2.UTILITARIAN : QUIXOTIC :（分数：1.00）A.(A) disconcerting : unsettlingB.(B) ephemeral : fleetingC.(C) malevolent : kindD.(D) loquacious : talkativeE.(E) obdurate : stubborn3.MUFFLED : NOISE :（分数：1.00）A.(A) heightened : awarenessB.(B) pervasive : toneC.(C) condensed : versionD.(D) subdued : emotio

3、nE.(E) increased : capacity4.BRAZEN:（分数：1.00）A.(A) insolentB.(B) prudentC.(C) uncouthD.(D) undauntedE.(E) materialistic5.FORAGE : HUNGRY :（分数：1.00）A.(A) pillage : contentB.(B) steal : incarceratedC.(C) celebrate : dejectedD.(D) leap : causticE.(E) sleep : exhausted6.Running a marathon is an _ task,

4、taking months of both physical and mental preparation and training before actually running a grueling 26.2 miles.（分数：1.00）A.(A) arduousB.(B) ambiguousC.(C) involuntaryD.(D) eloquentE.(E) overt7.ASSIMILATE:（分数：1.00）A.(A) to ascertainB.(B) to befuddleC.(C) to suffocateD.(D) to dissipateE.(E) to incorp

5、orate into8.ABATE:（分数：1.00）A.(A) abdicateB.(B) augmentC.(C) annihilateD.(D) lessenE.(E) contradict9.PILGRIMAGE : ZEALOT :（分数：1.00）A.(A) chef : recipeB.(B) journey : pathC.(C) sleet : hailD.(D) genesis : citizenE.(E) expedition : pioneer10.ENIGMATIC:（分数：1.00）A.(A) abstruseB.(B) puzzlingC.(C) enlighte

6、ningD.(D) disconcertingE.(E) worrisome11.Body language involves a combination of multiple facial (i) 1 and various physical positions to convey its unique (ii) 2 message. Blank(i) Blank(ii) terminology oralexpressions stridentappearance nonverbal（分数：1.00）填空项 1:_12.PLACATE:（分数：1.00）A.(A) to pacifyB.(

7、B) to infuriateC.(C) to percolateD.(D) to promulgateE.(E) to manipulate13.FIRE : WOOD :（分数：1.00）A.(A) motor : boatB.(B) sunlight : forestC.(C) oil : waterD.(D) gears : bicycleE.(E) automobile : gasoline14.CULPABLE : GUILTY :（分数：1.00）A.(A) marginal : necessaryB.(B) sociable : ambivalentC.(C) venerabl

8、e : esteemedD.(D) factual : suspectE.(E) reasonable : superlative15.Although the scientists recommendations may have been _ , the students had trouble following his _ presentation and were, therefore, against his proposal.（分数：1.00）A.(A) plausible organizedB.(B) absurd intricateC.(C) realistic convol

9、utedD.(D) judicious dynamicE.(E) ubiquitous empirical16.As we traveled to college for the first time, the family car was _ with books, clothing, appliances, and other necessities.（分数：1.00）A.(A) keenB.(B) indigentC.(C) barrenD.(D) pallidE.(E) laden17.When practicing with a bow and arrow, it is necess

10、ary to be aware of both the _ and the _ of ones arrows if one wishes to hit the target.（分数：1.00）A.(A) rigor tenacityB.(B) direction imminenceC.(C) breadth cessationD.(D) divergence expulsionE.(E) velocity trajectory18.The problem with activists is that far too often they merely _ the protection of v

11、arious ecosystems, instead of taking a lead role in their _ .（分数：1.00）A.(A) circumvent stabilityB.(B) abridge solutionC.(C) diversify precedentD.(D) advocate managementE.(E) abhor demiseWhen I was preparing for my two-week vacation in southern Africa, ILine realized that the continent would be like

12、nothing I had ever seen. I wanted toexplore the urban streets as well as the savannah; its always been my goal tohave experiences on vacation that most other tourists fail to find. When my plans(5) were finalized, I left for Africa. The cultural differences were stunning, and madefor plenty of laugh

13、ter and confusion, but always ended up bringing smiles to ourfaces. Whats funny now, though, more than ever, is how ridiculous I must haveseemed to the people of one village when I played with their dog. Apparently, therole of dogs in America is nothing like it is in the third world.(10) When I walk

14、 the streets of my hometown now, I often find myself staring atall of the dogs and dog owners on the sidewalk. The way I see it, the Americandog lives for the thrill: a hug, a scratch behind the ears, a new chew toy, anotherchance to fight against the leash it knows is only six feet long. Dog owners

15、 loveto believe their animal is smart, while people whove never owned a dog tend to(15) believe the opposite. With a little training, the dogs dont bark, bite, or use thesofa as a toilet, but they do provide years of unconditional affection and loyalty,plus the occasional lame-brained escapade at wh

16、ich human onlookers can laugh.I am convinced African dogs could clobber their American counterparts. Therelationship between a typical African and his dog is one of tangible mutualism.(20) I say tangible because the African sees himself as the dominant creature not tobe bothered by the dog, but neve

17、rtheless responsible for providing for it. Hence,no attempts at behavioral training are ever made on African dogs. Instead, theAfrican seizes power with a chunk of scrap meat and a bowl of water. The dogsoon learns to quit yapping and biting at the hand that feeds him. Never does(25) the African spe

18、ak to the animal. Im not even sure such dogs get names. Theirbehavior becomes interestingly balanced, however, much to the surprise of thecompassionate American dog lover.（分数：2.00）(1).The author of the passage is primarily concerned with presenting（分数：1.00）A.(A) a description of cultural differences

19、B.(B) an overview of animal behaviorC.(C) a history of international tourismD.(D) evidence to refute a global theoryE.(E) an account of animal cruelty(2).According to information provided by the passage, which of the following traits would the author most likely ascribe to African dog owners?（分数：1.0

20、0）A.(A) AffectionateB.(B) AbusiveC.(C) PragmaticD.(D) DeceitfulE.(E) Antagonistic19.SKEPTICISM:（分数：1.00）A.(A) intricacyB.(B) qualmishnessC.(C) credulityD.(D) disbeliefE.(E) narcissism20.WARY:（分数：1.00）A.(A) waningB.(B) vigilantC.(C) arbitraryD.(D) cautiousE.(E) foolhardy21.OBLIQUE : INDIRECT :（分数：1.0

21、0）A.(A) par : standardB.(B) inherent : directC.(C) resonant : equitableD.(D) justified : logicalE.(E) circular : animated22.ABROGATE:（分数：1.00）A.(A) to instituteB.(B) to annulC.(C) to abateD.(D) to abuseE.(E) to bargain forOver the years there have been countless fans of the classic Hanna-BarberaLine

22、 cartoon character Yogi Bear. The cartoon series enjoyed by young and oldalike revolved mostly around the misadventures of this loveable bear and hissidekick Boo-Boo as they attempted to snag “pic-a-nic“ baskets in the made-up(5) land of Jellystone Park. Its not often that people think about where t

23、he ideas forthese cartoon characters came from, which brings up an interesting point: Dobears actually search for food left in picnic baskets and unattended campsites?Anyone who has watched an episode of the classic cartoon can see that the bearsbehavior goes far beyond the limits of what is natural

24、. The thing that must be(10) explored, then, is which of those humorous antics were imagined by the writersat Hanna-Barbera, and which were actually based on a bears normal behaviors.Remarkably enough, bears have been known to seek out food from someunlikely sources, including picnic baskets, to sup

25、plement their usual diet of berries,insects, and fish. Bears work throughout the summer and fall to build up fat stores(15) to have energy enough to last them through their winter hibernations. Related tothis is their need to replenish their depleted reserves when they wake up in thespring. Food is

26、generally scarce in the early spring and consequently the bears willgladly indulge in any foods that are high in proteins or fats. This is the main reasonfor any incidents involving bears after they enter campsites in search of food.(20) Although this behavior may seem strange, it is merely the resu

27、lt of natureequipping the bears with a variety of traits that allow them to remain well fed inincreasingly human-populated habitats. Specifically, the American black bear,Ursus americanus, has color vision, which most other animals lack. Black bearshave been observed by scientists using this unique

28、enhancement to distinguish(25) between varying food items at close range. On top of this, bears have an acutesense of smell and can use their especially sensitive lips to locate food. Thesesensory talents contribute to the bears remarkably high intelligence and curiosity,giving them the ability to o

29、pen closed containers if they believe food is inside.Their exploratory and navigational skills are also worthy of notemost bears will(30) maintain vast territories to be sure they can obtain food from a variety of sources.Bears may even vary their sleep cycles in areas where there is a large degree

30、ofhuman activity, either feasting on road-side garbage during the day or scouringcampsites for leftovers at night.（分数：6.00）(1).The primary purpose of the passage is to（分数：1.00）A.(A) offer a comparison between television programming and real-world eventsB.(B) describe the conditions under which a bea

31、r will enter human habitatsC.(C) explain the different means by which bears secure nutritious foodD.(D) discuss new evidence concerning the difficulty of controlling bearsE.(E) resolve a controversy surrounding the foraging behavior of bears(2).The author mentions all of the following as potential f

32、ood sources for bears EXCEPT:（分数：1.00）A.(A) berriesB.(B) general storesC.(C) insectsD.(D) fishE.(E) picnic baskets(3).It can be inferred from the passage that which of the following is true of bears?（分数：1.00）A.(A) They are particularly resourceful.B.(B) They must enter human habitats in order to sur

33、vive.C.(C) They cannot tolerate human food.D.(D) They eat voraciously throughout the winter.E.(E) They have only one method of obtaining food.(4).The author includes a discussion of the American black bear, Ursus americanus, most likely in order to（分数：1.00）A.(A) provide additional support for the un

34、ique feeding habits of bearsB.(B) discount the theory regarding a bears ability to remain well fedC.(C) evaluate the dispute between advocates of differing theories regarding bear behaviorD.(D) challenge recent research on the way in which bears secure foodE.(E) suggest further investigation of huma

35、n interaction with bears(5).The passage supplies information to answer which of the following questions?（分数：1.00）A.(A) What is the cost of launching a computer probe into space?B.(B) What type of information can safely be ignored when exploring outer space?C.(C) How much information can a computer p

36、robe gather in outer space?D.(D) What is the next level in space exploration?E.(E) Are unmanned space missions more economical than manned space missions?(6).According to the passage, all of the following are advantages of humans over robots EXCEPT:（分数：1.00）A.(A) humans can more accurately manage th

37、e data collectedB.(B) humans can apply critical thinking skills to new situationsC.(C) humans can typically stay in outer space for longer periods of timeD.(D) humans are more sensitive to environmental changesE.(E) humans are better at preparing instrumentation for use in space二、BSECTION 4/B(总题数：6，

38、分数：20.00)This section includes three types of questions: Quantitative Comparison, Problem Solving, and Numeric Entry. (Your actual GRE will likely have only one Numeric Entry question, because it is a new question type.) For each question, circle the letter of your choice or write your answer as ins

39、tructed.Directions for Quantitative Comparison Questions: Some of the following questions give you two quantities, one in Column A and one in Column B, Compare the two quantities and choose one of the following answer choices: A. if the quantity in Column A is greater; B. if the quantity in column B

40、 is greater; C. if the two quantities are equal; D. if you cannot determine the relationship based on the given information （分数：4.02）A.B.C.D.A.B.C.D.A.B.C.D._Directions for Quantitative Comparison Questions: Some of the following questions give you two quantities, one in Column A and one in Column B

41、, Compare the two quantities and choose one of the following answer choices: A. if the quantity in Column A is greater; B. if the quantity in column B is greater; C. if the two quantities are equal; D. if you cannot determine the relationship based on the given information （分数：3.00）A.B.C.D.A.B.C.D._

42、Directions for Quantitative Comparison Questions: Some of the following questions give you two quantities, one in Column A and one in Column B, Compare the two quantities and choose one of the following answer choices: Aif the quantity in Column A is greater; Bif the quantity in column B is greater;

43、 Cif the two quantities are equal; Dif you cannot determine the relationship based on the given information （分数：3.00）填空项 1:_A.B.C.D.（分数：5.00）(1).In 1990, the total revenue for widgets sold was about how many times as great as the number of widgets sold?（分数：1.00）A.(A) 3B.(B) 10C.(C) 65D.(D) 98E.(E) 1

44、20(2).In 1970, if the cost to produce one widget was $0.07, what would have been the total cost to produce the number of widgets sold during that year?（分数：1.00）A.(A) $1,540B.(B) $14,000C.(C) $20,650D.(D) $22,750E.(E) $34,300(3).The percent decrease in average number of production hours per widget fr

45、om 1990 to 2000 was approximately （分数：1.00）A.(A) 44%B.(B) 36%C.(C) 34%D.(D) 32%E.(E) 27%(4).In how many of the years shown was the number of widgets sold at least three times the number of widgets sold in 1960?（分数：1.00）A.(A) FourB.(B) ThreeC.(C) TwoD.(D) OneE.(E) None(5).Which of the following state

46、ments can be inferred from the data? I. The greatest increase in total yearly revenue over any 10-year period shown was $7 million. II. In each of the 10-year periods shown in which total yearly revenue increased, the average number of production hours per widget decreased. III. From 1980 to 1990, f

47、ewer widgets were sold because each widget took longer to produce.（分数：1.00）A.(A) I onlyB.(B) II onlyC.(C) III onlyD.(D) I and IIIE.(E) II and IIIDirections for Quantitative Comparison Questions: Some of the following questions give you two quantities, one in Column A and one in Column B, Compare the

48、 two quantities and choose one of the following answer choices: A. if the quantity in Column A is greater;B. if the quantity in column B is greater;C. if the two quantities are equal;D. if you cannot determine the relationship based on the given information（分数：2.00）A.B.C.D._（分数：3.00）A.B.C.D.E.A.B.C.D.E._