GRE外语考试经典试题(7).pdf
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1、欢迎您阅读并下载本文档,本文档来源于互联网,如有侵权请联系删除!我们将竭诚为您提供优质的文档!GRE 外语考试经典试题(7)SECTION 1 Time-30 minutes 38 Questions Directions:Each sentence below has one or two blanks,each blank indicating that something has been omitted.Beneath the sentence are five lettered words or sets of words.Choose the word or set of word
2、s for each blank that best fits the meaning of the sentence as a whole.1.Nonviolent demonstrations often create such ten-sions that a community that has constantly refused to its injustices is forced to correct them:the injustices can no longer be。(A)acknowledgeignored (B)decreaseverified (C)tolerat
3、eaccepted (D)addresseliminated (E)explaindiscussed 2.Since 1813 reaction to Jane Austens novels has oscillated between and condescension;but in general later writers have esteemed her works more highly than did most of her literary。(A)dismissaladmirers (B)adoration.contemporaries (C)disapprpvalreade
4、rs (D)indifferencefollowers (E)approbationprecursors 3.There are,as yet,no vegetation types or ecosystems whose study has been to the extent that they no longer ecologists.(A)perfectedhinder (B)exhaustedinterest (C)prolongedrequire (D)preventedchallenge (E)delayedbenefit 4.Under ethical guidelines r
5、ecently adopted by the National lnstitutes of Health,human genes are to be manipulated only to correct diseases for which treatments are unsatisfactory.(A)similar (B)most (C)dangerous (D)uncommon (E)alternative 5.It was her view that the countrys problems had been by foreign technocrats,so that to i
6、nvite them to come back would be counterproductive.(A)foreseen (B)attacked (C)ascertained (D)exacerbated (E)analyzed 6.Winsor McCay,the cartoonist,could draw with incredible:his comic strip about Little Nemo was characterized by marvelous draftsmanship and sequencing.(A)sincerity (B)efficiency (C)vi
7、rtuosity (D)rapidity (E)energy 7.The actual of Wilsons position was always by his refusal to compromise after having initially agreed to negotiate a settlement.(A)outcomeforeshadowed (B)logicenhanced (C)rigiditybetrayed (D)uncertaintyalleviated (E)cowardicehighlighted Directions:In each of the foiio
8、wing questions,a related pair of words or phrases is followed by five lettered pairs of words or phrases.Select the lettered pair that best expresses a relationship similar to that expressed in the original pair.8.SEDATTVE:DROWSlNESS:(A)epidemic:contagiousness (B)欢迎您阅读并下载本文档,本文档来源于互联网,如有侵权请联系删除!我们将竭
9、诚为您提供优质的文档!vaccine:virus (C)laxative:drug (D)anestheiic:numbness (E)therapy:psychosis 9.LAWYER:COURTROOM:(A)participant:team (B)commuter:train (C)gladiator:arena (D)senator:caucus (E)patient:ward 10.CURIOSITY:KNOW:(A)temptation:conquer (B)starvation:eat (C)wanderlust:travel (D)humor:laugh (E)surviva
10、l:live 11.FRUGAL:MISERLY:(A)confident:arrogant (B)courageouss:pugnacious (C)famous:aggressive (D)rash:foolhardy (E)quiet:timid 12.ANTIDOTE:POISON:(A)cure:recovery (B)narcotic:sleep (C)stimulant:relapse (D)tonic:lethargy (E)resuscitation:breathing 13.STYGIAN.:DARK:(A)abysmal:low (B)cogent:contentious
11、 (C)fortuitous.:accidental (D)reckless:threatening (E)cataclysmic:doomed 14.WORSHIP:SACRIFICE:(A)generation:pyre (B)burial:mortuary (C)weapon:centurion (D)massacre:invasion (E)prediction:augury 15.EVANESCENT:l)ISAPPEAR:(A)tlansparent:penetrate (B)onerous:struggle (C)feckless:succeed (D)illusory:exis
12、t (E)pliant:yield 16.UPBRAlD:REPROACH:(A)dote:like (B)lal:stray (C)vex:please (D)earn:desire (E)recast:explain Directions:Each passage in this group is followe by questions based on its content.After reading a passage,choose the best answer to each question.Answer all questions following a passage o
13、n the basis of what is stated or implied in that passage.lt has been known for many decades that the appear-ance of sunspots is roughly periodic,with an average cycle of eleven years.Moreover,the incidence of solar flares and the flux of solar cosmic rays,ultraviolet radia-tion,and x-radiation all v
14、ary directly with the sunspot(5)cycle.But after more than a century of investigation.the relation of these and other phenomena,known collec-tively as the solar-activity cycle,to terrescrial weather and climate remains unclear.For example.the sunspot cycle and the allied rnagnetic-polarity cycle have
15、 been(10)linked to periodicities discerned in records of such vari-ables as rainhll.temperature,and winds.lnvariably,however,the relation is weak.and commonly ofdubious statistical significance.Effects of solar variability over longer terms have also(15)been sought.The absence of recorded sunspot ac
16、tivity in the notes kept by European observers in the late seven-teenth and early eighteenth centuries has led some schol-ars to postulate a brief cessation of sunspot activity at that time(a period called the Maunder minimum)。The 欢迎您阅读并下载本文档,本文档来源于互联网,如有侵权请联系删除!我们将竭诚为您提供优质的文档!(20)Maunder minimum ha
17、s been linked to a span of unusual cold in Europe extending from the sixteenth to the early nineteenth centuries.The reality of the Maunder mini-mum has yet to be established,however,especially since the records that Chinese naked-eye observers of solar(25)activity made at that time appear to contra
18、dict it.Scien-tists have also sought evidence of long-term solar period-icities by examining indirect climatological data,such as fossil recoras of the thickness of ancient tree rings.These studies,however,failed to link unequivocally terrestrial(30)climate and the solar-activity cycle,or even to co
19、ntirm the cycles past existenue.If consistPn!and re!iab!e geo!sgigal-arek-xologieal evidence tracing the solar-activity cycle in the distant past could be found,it might also resolve an important(35)issue in solar physics:how to model solar activity.Cur-rently,chere are two models of solar activity.
20、The tirst supposes that the Suns internal motions(caused by rotation and convection)interact with its large-scale magnetic field to produce a dynamo.a device in which(40)mechanical energy is converted into the energy of a mag-netic field.ln short.the Suns large-scale magnetic field is taken to be se
21、lf-sustaining,so that the solar-activity cycle it drives would be maintained with little overall changc for perhaps billions of years.The alternative(45)exp)anarion supposes that the Suns large-sca)e magnetic field is a remnant of the field the Sun acquired when it formed,and is not sustained agains
22、t decay.In this model.the solar mechanism dependent on the Suns magnetiC field runs down more quickly.Thus,the char-(50)acteristics of the solar-activity cycle uvuld be expected to change over a long period of time.Modern solar obser-vations span too short a time to reveal whether present cyclical s
23、olar aCtivity is a long-lived feature of the Sun,or merely a transient phenomenon.17.The author focuses primarily on (A)presenting two competing scientific theories concerning solar activity and evaluating geological evidence often cited to support them (B)giving a brief overview of some recent scie
24、ntifrc developments in solar physics and assessing their impact on future climatological research (C)discussing the difficulties involved in linkinl:ter-restrial phenomena with solar activity and indicating how resolving that issue could have an impact on our understanding of solar physics (D)pointi
25、ng out the futility of a certain line of sci-entific inquiry into the terrestrial effects of solar activity and recommendine ita aban-donment in favor of purely physics-oriented research (E)outlinine the specific reasons why a problem in solar physics has not yet been solved and faulting the overly
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