[外语类试卷]GRE(VERBAL)模拟试卷42及答案与解析.doc
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1、GRE( VERBAL)模拟试卷 42及答案与解析 0 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 cheaper and less dangerous to la
2、unch 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 robotic ventures. While manned mis
3、sions 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 computer is often neither as
4、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, can make instant decisions about
5、 what to explore further and what to ignore. 1 The passage supplies information to answer which of the following questions? ( A) What is the cost of launching a computer probe into space? ( B) What type of information can safely be ignored when exploring outer space? ( C) How much information can a
6、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. 3 According to the passage, a
7、ll of the following are advantages of humans over robots EXCEPT ( A) humans can more accurately manage the data collected ( B) humans can apply critical thinking skills to new situations ( C) humans can only calibrate instruments designed by robots ( D) humans are more sensitive to environmental cha
8、nges ( E) humans are better at preparing instrumentation for use in space 3 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
9、 world at large. Seemingly, computers are the very definition of the 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,
10、 according to the experts who have studied an ancient Greek shipwreck, 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 fun
11、ction, the divers named it after the island near which it was found. 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 combi
12、nation of advanced imaging methods and x-ray computer tomography, scientists 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
13、 sun and moon a number of years into the future, as well as show the 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. 4 The primary purpose of the passage is to ( A) explain how
14、computers were originally designed ( B) provide details on how to compute solar and lunar eclipses ( C) introduce the concept of an ancient device with a modern application ( D) describe the discovery of a computer-like machine designed more than 2,000 years ago ( E) show how x-ray computer tomograp
15、hy has helped scientists explore ancient discoveries 5 The author of the passage most likely mentions that the divers were uncertain as to the Antikytheras function because ( A) it demonstrates that computers are not very important to people in todays society ( B) it reinforces the notion that compu
16、ters are a tool of the modern age ( C) it contradicts earlier theories regarding ancient technology 6 Select the sentence in the passage that presents an argument for the surprising and unusual nature of this discovery. 7 The passage suggests that, compared to modern computers, the Antikythera ( A)
17、did not influence subsequent technological advances ( B) did not become obsolete within a short time of its creation ( C) did not confuse researchers 二、 SECTION 3 Directions: Each passage in this group is followed by questions based on its content. After reading a passage, choose the best answer to
18、each question. Answer all questions following a passage on the basis of what is stated or implied in the passage. 7 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.
19、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 about the p
20、rocess of global warming, which is a highly pertinent issue affecting our planet today. 8 Which of the following can be inferred from the passage regarding the Martian atmosphere? ( A) It has a lower pressure than Earths atmosphere. ( B) It has a higher surface temperature than Earth. ( C) It can mo
21、st certainly be transformed to be more like Earths atmosphere. 9 The passage addresses which of the following consequences of terraforming? ( A) The creation of a more hospitable planet. ( B) The risk of overpopulation. ( C) The elimination of suitable environments. ( D) The depletion of the atmosph
22、ere. ( E) The production of greenhouse gases. 9 A baby polar bear named Knut at the Berlin Zoo is the 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 Knu
23、t himself would have died as well, had the zoo officials not intervened. The zoo workers have been bottle-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 t
24、o say that Knut should be killed. They believe that the current treatment of the bear is inhumane, and 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 c
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- 外语类 试卷 GRE VERBAL 模拟 42 答案 解析 DOC
