GRE-62及答案解析.doc

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1、GRE-62及答案解析(总分：80.00，做题时间：90 分钟)一、SECTION 1(总题数：8，分数：20.00)Sending a robot into space to gather information is a viable option, but should only be regarded as that-an option. Even the most technologically advanced robots cannot and should not replace manned missions to outer space. Certainly it is c

2、heaper and less dangerous to launch a computer probe that can gather reams of data, but often the information obtained by a machine only serves to produce more questions than it answers. Therefore, the space program should allow manned missions to follow up on those initial information-gathering rob

3、otic ventures.While manned missions are more costly than are unmanned missions, they are also more successful. Robots and astronauts use much of the same equipment in space, but a human is more capable of calibrating those instruments correctly and placing them in appropriate and useful positions. A

4、 computer is often neither as sensitive nor as accurate as a human in managing the same terrain or environmental circumstances. Robots are also not as equipped as humans to solve problems as they arise, and robots often collect data that is not helpful or even desired. A human, on the other hand, ca

5、n make instant decisions about what to explore further and what to ignore.（分数：3.00）(1).The passage supplies information to answer which of the following questions?（分数：1.00）A.What is the cost of launching a computer probe into space?B.What type of information can safely be ignored when exploring oute

6、r space?C.How much information can a computer probe gather in outer space?D.What is the next level in space exploration?E.Are unmanned space missions more economical than manned space missions?(2).Select the sentence that offers potential advantages to using robots as information gatherers in space.

7、（分数：1.00）填空项 1:_(3).According to the passage, all of the following are advantages of humans over robots EXCEPT（分数：1.00）A.humans can more accurately manage the data collectedB.humans can apply critical thinking skills to new situationsC.humans can only calibrate instruments designed by robotsD.humans

8、 are more sensitive to environmental changesE.humans are better at preparing instrumentation for use in space1.Coffee seems to be one of the worlds biggest and most enduring passions, as coffee houses continue to pop up on every corner, each one sporting beans from multiple exotic and sometimes comp

9、letely unfamiliar locations. Although usually referred to as coffee beans, they are actually closer to berries, which grow on bushes found on slopes several thousand feet above sea level in places like Brazil. The berries are soaked, dried, sorted, and finally roasted for various amounts of time, de

10、pending on how strong and dark the consumer prefers his coffee.Which of the following can be inferred from the overall process involved in preparing coffee beans?（分数：1.00）A.Coffee beans must be roasted longer than coffee berries.B.Soaking is the lengthiest step in the preparation process.C.Consumer

11、preference regarding the final strength and color of coffee varies.D.A consumers passion for coffee determines exactly how the beans are processed.E.The more exotic and unfamiliar the coffee bean, the longer it takes to preparFor Questions 5 to 7, select one entry from the corresponding column of ch

12、oices for each blank. Fill all blanks in the way that best completes the text.（分数：3.00）(1).Body language involves a combination of multiple facial (i) and various physical positions to convey its unique (ii) message. A. movements B. expressions C. appearances D. oral E. strident F. nonverbal（分数：1.00

13、）填空项 1:_(2).Although the scientists recommendations may have been (i) , the students had trouble following his (ii) presentation and were, therefore, against his proposal. A. absurd B. realistic C. ubiquitous D. organized E. empirical F. convoluted（分数：1.00）填空项 1:_(3).The New Zealand Storm Petrel was

14、 a bird long thought (i) , but in 2003 several birds were spotted for the first time in 150 years, apparently having (ii) themselves on the predator-free Hauraki Islands during the (iii) . A. extinct B. endangered C. dormant D. buried E. initiated F. secreted G. interim H. search I. extension（分数：1.0

15、0）填空项 1:_By any measure, computers are among the most influential and powerful tools of the modern age. They represent the high-tech revolution that has transformed the ways in which human beings interact with each other and with the world at large. Seemingly, computers are the very definition of th

16、e modern era. Although modern computers have only been a part of our everyday world for a few decades, a discovery made just over a century ago found that the concept behind them is far older than anyone could have imagined. In fact, according to the experts who have studied an ancient Greek shipwre

17、ck, one particular “computer“ dates back more than 2,000 years.Made of metal, this mechanism is approximately the size of a shoebox. It was found in 1901 by divers working off the isle of Antikythera. Uncertain of the mechanisms function, the divers naned it after the island near which it was found.

18、 At the time, the Antikythera was in terrible shape from being underwater for so long. Its pieces had merged into a broken mass and all experts could deduce was that it had something to do with astronomy. Recently, thanks to a combination of advanced imaging methods and x-ray computer tomography, sc

19、ientists have been able to re-create the possible design of the apparatus.The Antikythera mechanism once had at least 30 bronze gears with as many as 225 hand-cut teeth. Scientists believe it was designed to compute eclipses of the sun and moon a number of years into the future, as well as show the

20、motions of the planets. While experts are still uncertain as to why the device was made, there is no doubt that its technology was at least 1,000 years ahead of its time.（分数：4.00）(1).The primary purpose of the passage is to（分数：1.00）A.explain how computers were originally designedB.provide details on

21、 how to compute solar and lunar eclipsesC.introduce the concept of an ancient device with a modern applicationD.describe the discovery of a computer-like machine designed more than 2,000 years agoE.show how x-ray computer tomography has helped scientists explore ancient discoveries(2).The author of

22、the passage most likely mentions that the divers were uncertain as to the Antikytheras function because（分数：1.00）A.it demonstrates that computers are not very important to people in todays societyB.it reinforces the notion that computers are a tool of the modern ageC.it contradicts earlier theories r

23、egarding ancient technology(3).Select the sentence in the passage that presents an argument for the surprising and unusual nature of this discovery.（分数：1.00）填空项 1:_(4).The passage suggests that, compared to modern computers, the Antikythera（分数：1.00）A.did not influence subsequent technological advanc

24、esB.did not become obsolete within a short time of its creationC.did not confuse researchers2.Over the years there have been countless fans of the classic Hanna-Barbera cartoon character Yogi Bear. The cartoon series enjoyed by young and old alike revolved mostly around the misadventures of this lov

25、eable bear and his sidekick Boo-Boo as they attempted to snag “pic-a-nic“ baskets in the made-up land of Jellystone Park. Its not often that people think about where the ideas for these cartoons characters came from, which brings up an interesting point: do bears actually search for food left in pic

26、nic baskets and unattended campsites? Anyone who has watched an episode of the classic cartoon can see that the bears behavior goes far beyond the limits of what is natural. The thing that must be explored, then, is which of those humorous antics were license on the part of Hanna-Barbera, and which

27、were actually based on a bears normal behaviors.The passage implies which of the following about the cartoon character Yogi Bear?（分数：1.00）A.Yogis behavior is based exclusively on that of wild bears.B.Yogis penchant for picnic baskets is purely fictional.C.Yogis humorous antics are not necessarily gr

28、ounded in reality.D.Yogis behavioral patterns have been described extensively by naturalists.E.Yogis actions consistently mimic those of bears in the wil3.For Question 13, select one entry from the corresponding column of choices for each blank. Fill all blanks in the way that best completes the tex

29、t.Many people suspect that (i) humans are only a few inventions away since it is already possible to (ii) many body parts with improvements made out of plastic and metal, and many key organs can be (iii) from one body to another. A. artificial B. geriatric C. mortal D. articulate E. discard F. repla

30、ce G. stabilized H. transferred I. filched（分数：1.00）填空项 1:_There are few portraits in the world as famous as Leonardo da Vincis Mona Lisa, but the identity of the model for the legendary painting has been an enduring mystery for countless people. Now some experts believe that the young woman might ha

31、ve been an Italian named Lisa Gherardini, the wife of an affluent silk merchant and government figure. Other researchers suspect it might have been Isabella of Aragon, the Duchess of Milan. Whoever she was, the mystery woman certainly gave the world one of its most mysterious smiles.（分数：2.00）(1).Whi

32、ch of the following sentences can be inferred about the Mona Lisa painting from this passage?（分数：1.00）A.The model for the Mona Lisa was a very happy and kind woman.B.The Mona Lisa is one of the most well known portraits in the world.C.Leonardo da Vincis paintings all contained some kind of mystery i

33、n them.D.The painting was apparently supposed to be a present to the Duchess of Milan.E.Lisa Gherardini must have been a very patient person to sit for such a detailed portrait.(2).Which of the following statements about the portrait is supported by the passage?（分数：1.00）A.The portrait is the subject

34、 of ongoing controversy.B.The portrait was of a single unidentified woman.C.The portraits model was smiling as the picture was painteFor Questions 16 through 20, select the two answer choices that, when used to complete the sentence, fit the meaning of the sentence as a whole and produce completed s

35、entences that are alike in meaning.（分数：5.00）(1).The problem with activists is that far too often they merely the protection of various ecosystems, instead of taking a lead role in their management. A. circumvent B. abridge C. diversify D. advocate E. abhor F. support（分数：1.00）填空项 1:_(2).When practici

36、ng with a bow and arrow, it is 1 to be aware of both the velocity and the trajectory of ones arrows if one wishes to hit the target. A. irrelevant B. necessary C. conventional D. prudent E. detrimental F. insightful（分数：1.00）填空项 1:_(3).As we traveled to college for the first time, the family car was

37、1 with books, clothing, appliances, and other necessities. A. keen B. indigent C. barren D. pallid E. laden F. overflowing（分数：1.00）填空项 1:_(4).The 1 of sediment in the river caused concern among environmentalists and industrialists alike; the water levels in the river were being reduced almost daily.

38、 A. accretion B. disposal C. depletion D. alienation E. ethnology F. accumulation（分数：1.00）填空项 1:_(5).Running a marathon is an 1 task, taking months of both physical and mental preparation and training before actually running a grueling 26.2 miles. A. arduous B. ambiguous C. involuntary D. eloquent E

39、. overt F. ambitious（分数：1.00）填空项 1:_二、SECTION 2(总题数：10，分数：20.00)For Questions 1 through 3, select the two answer choices that, when used to complete the sentence, fit the meaning of the sentence as a whole and produce completed sentences that are alike in meaning.（分数：3.00）(1).Because of his 1, Brian

40、s guests felt very welcome and comfortable staying at his house for the weekend. A. animosity B. hospitality C. determination D. wittiness E. severity F. receptiveness（分数：1.00）填空项 1:_(2).Some of the earliest bicycles came equipped with solid wooden wheels that were annoyingly 1 to break or crack at

41、the worst moment. A. fabricated B. constructed C. prone D. unlikely E. debatable F. liable（分数：1.00）填空项 1:_(3).Skin contains millions of sensory receptors which inform the brain, through electrical 1, when you have injured yourself. A. compulsions B. thrusts C. impulses D. signals E. flashes F. imita

42、tions（分数：1.00）填空项 1:_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 which a hostile or unsuitable environment is transformed into one that can susta

43、in 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 warming, which is a highly pertinent issue affecting our planet today.（分数：2.00

44、）(1).Which of the following can be inferred from the passage regarding the Martian atmosphere?（分数：1.00）A.It has a lower pressure than Earths atmosphere.B.It has a higher surface temperature than Earth.C.It can most certainly be transformed to be more like Earths atmospher(2).The passage addresses wh

45、ich of the following consequences of terraforming?（分数：1.00）A.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.The production of greenhouse gases.4.A baby polar bear named Knut at the Berlin Zoo is the

46、 epicenter of a debate about animal rights and the ethics of keeping animals in captivity. Knut and his brother were abandoned by their mother after being born at the zoo. Knuts sibling died, and Knut himself would have died as well, had the zoo officials not intervened. The zoo workers have been bo

47、ttle-feeding the bear, and providing it with nourishment and care. Yet certain animal-rights activists say that the bear would have been better off dead than raised by humans, and some go as far as to say that Knut should be killed. They believe that the current treatment of the bear is inhumane, an

48、d will lead to future difficulty for Knut in interacting with other polar bears. They argue that since the mother rejected the cub, the zoo workers should have abided by the laws of nature, and the cub should have been allowed to die. Others have argued that in light of the fact that polar bears are an endangered species, it makes sense to keep as many bears as possible alive in captivity so that they can breed.The author mentions animal-rights activists in order to（分数：1.00）A.explain how Knut became an orphanB.exonerate the zoo workersC.depict Knuts care