2015年职称英语新增文章试题加答案

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1、2015年职称英语新增文章试题加答案EvenancientEgyptsEvenancientEgyptsmightypyramidbuilderswerepowerlessinthefaceofthefaminethathelpedbringdowntheircivilianaround2180BC.NowevidencegleanedfrommuddepositedbytheRiverNilesuggeststhatashiftinclimatethousandsofkilometerstothesouthwasultimatelytoblem--an

2、dthesameorworsecouldhappentoday.　　TheancientEgyptiansdependedontheNilesannualfloodstoirrigatetheircrops.ButanychangeinclimatethatpushedtheAfricanmonsoonssouthwardsoutofEthiopiawouldhavediminishedthesefloods.　　DwindlingrainsintheEthiopianhighlandswouldhavemeantfewerplantstoestabli

3、shthesoil.WhenraindidfallitwouldhavewashedlargeamountsofsoilintotheBlueNileandintoEgypt,alongwithsedimentfromtheWhiteNile.　　TheBlueNilemudhasadifferentisotopesignaturefromthatoftheWhiteNile.SobyanalyzingisotopedifferencesinmuddepositedintheNileDelta,MichaelKromofleedsUniversitywo

4、rkedoutwhatproportionofsedimentcamefromeachbranchoftheriver.　　Kromreasonsthatduringperiodsofdrought,theamountoftheBlueNilemudintheriverwouldberelativelyhigh.Hefoundthatoneoftheseperiods,from4,500to4,200yearsago,immediatelypredatesthefalloftheEgyptsOldKingdom.　　Theweakenedwaterswo

5、uldhavebeencatastrophicfortheEgyptians.Changesthataffectfoodsupplydonthavetobeverylargetohavearippleeffectinsocieties,saysBillRyanoftheLamontDohertyEarthObservatoryinNewYork.　　Similareventstodaycouldbeevenmoredevastating,saysteammemberDanielStanley,ageoarchaeologistfromtheSmithso

6、nianInstitutioninWashington,D.C..AnythinghumansdotoshifttheclimatebeltswouldhaveanevenworseeffectalongtheNilesystembecausethepopulationshaveincreaseddramatically.　　1.Whydoestheauthormentionpyramidbuilders?　　A.becausetheyonceworkedmiracles.　　B.becausetheywerewell-built　　C.becauset

7、heywereactuallyveryweak　　D.becauseeventheywereunabletorescuetheircivilization19/19　　2.WhichofthefollowingfactorswasultimatelyresponsibleforthefallofthecivilizationofancientEgypt?　　A.Changeofclimate　　B.famine　　C.food　　D.populationgrowth　　3.Whichofthefollowingstatementsistrue?　　A.T

8、heWhiteNileisthetrunkoftheRiverNile　　B.T