广西师范大学2015年非英语专业研究生学位英语考试试卷

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1、广西师范大学2015年非英语专业研宄生学位英语考试试卷PartIReadingComprehension（共40分，每小题2分）Directions:Thereare4passagesinthispart.Attheendofeachpassage，fivequestionswillbeaskedaboutit.YoushouldreadthefourchoicesmarkedA,B,CandD，anddecideonthebestchoice.ThenmarkthecorrespondingletterontheAnswerSheet.PassageOneBei

2、ngamanhasalwaysbeendangerous.Thereareabout105malesbornforevery100females.However,thisnumberchangesagreatdeal，andbytheageofmaturity,thenumberofyoungmenisaboutthesameasthatofyoungwomen.Andamong70-yearoldpeople，therearetwiceasmanywomenasmen.Butthisgreatuniversaltruthischanging.Now，boybab

3、iessurvivealmostaswellasgirlsdo.Thismeansthatforthefirsttimetherewillbetoomanyboysinthosecrucialyearswhenboysaresearchingforamate.Whatisevenmoretroublingisthatthesurvivalofsomanyboyshasremovedachancefornaturalselectiontodoitswork.Fiftyyearsago,thechanceofababysurvivingdependedonitswei

4、ght.Akilogramtoolightortooheavymeantalmostcertaindeath.Todayitmakesalmostnodifference.Sincemuchofthedifferenceinweightisduetogenes,aforceofchangehasgone.Thereisanotherwaytocommitevolutionarysuicide:stayalive，buthavefewerchildren.Exceptinsomereligiouscommunities，veryfewwomenhave15child

5、ren.Nowadaysthenumberofbirths，liketheageofdeath，hasbecomeaverage.Mostofushaveroughlythesamenumberofchildren.Again，differencesbetweenpeopleandtheopportunityfornaturalselectiontotakeadvantageofithavedisappeared.Forus，thismeansthatpeoplewillnolongerexperiencethephysicalchangesthatotherli

6、vingthingsdo;ourbodiesareasperfectastheyareevergoingtobe.Strangely,wehavebeenabletomakegreatadvancementswithoutphysicalchange.Inthepast100,000years—eventhepast100years―ourliveshavebeentransformedbutourbodieshavenot.Wemanagedtomakesuchchangesbecauseoftechnologyandsocialsystems.Darwinha

7、daphrasetodescribethoseignorantoftheprocessofchange;they’’lookatlivingbeingslikeadoglooksataship，asatsomethingwhollybeyondtheircomprehension.nNodoubtwewillbeshockedattheuglinessofthe20thcenturywayoflife.Buthoweveramazedfuturepeoplemaybeathowfarfromperfectionwewere，thosefuturepeoplewil

8、llook