| GRE考试易错题（2019/10/14） |
| 第1题：The author uses the example of the question of life in other galaxies primarily in order to A、question whether in certain situations the truth may ever be determined B、illustrate that truth has an objective existence even when there are few empirical grounds for determining it C、suggest that the answer to certain scientific questions plays only a minor role in people’s lives D、support the thesis that skepticism plays a vital role in the scientific process E、assess the answers pseudo-sciences like ufology provide for unanswerable questions |
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第2题： HAVOC:
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| 第3题： The discussion of the means by which GHBs escape black holes that is offered in the second paragraph suggests that which of the following must be assumed if the conclusions described in lines 3 - 5 are to he validly drawn A．(A) The light emissions from GHBs always degrade from gamma rays to x-rays to visible light and, finally, to radio waves. B．(B) Particles in GHBs include not only photons but electrons and their antimatter counterpart, positrons. C．(C) The expansion of a fireball as it moves away from the black hole lowers photon density. D．(D) Shock waves almost always form at the boundary between the fireball and the external medium. E．(E) The timescale by which we witness astronomical phenomenon is always ruled by the principles of relativity. |
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| 第4题： HESITANCY: ALACRITY : : A．weather: danger B．torpor: vigor C．adulation: attraction D．indifference: tedium E．yearning: conception |
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| 第5题：
单项选择 |
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