2015年职称英语直播1v1理工

2015 英 —阅读理解精讲（理工类C级第9Egyptfelledby【埃及饱受饥荒折 EvenancientEgypt’smightypyramidbuilderswerepowerlessinthefaceofthefaminethathelpedbringdowntheircivilianaround2180BC.NowevidencegleanedfrommuddepositedbytheRiverNilesuggeststhatashiftinclimatethousandsofkilometerstothesouthwasultimaytoblame‐‐andthesameorworsecouldhappenTheancientEgyptiansdependedontheNilesannualfloodstoirrigatetheircrops.ButanychangeinclimatethatpushedtheAfricanmonsoonssouthwardsoutofEthiopiawouldhavediminishedthesefloods.DwindlingrainsintheEthiopianhighlandswouldhavemeantfewerplantstoestablishthesoil.WhenraindidfallitwouldhavewashedlargeamountsofsoilintotheBlueNileandintoEgypt,alongwithsedimentfromtheWhite mudhasadifferentisotopesignaturefromthatoftheWhiteNile.Soby yzingisotopedifferencesinmuddepositedintheNileDelta,MichaelKromofleedsUniversityworkedoutwhatproportionofsedimentcame Kromreasonsthatduringperiodsofdrought,theamountofthe mudintheriverwouldberelativelyhigh.Hefoundthatoneoftheseperiods,from4,500to4,200yearsago,immediaypredatesthefalloftheEgypt’sOldKingdom.TheweakenedwaterswouldhavebeencatastrophicfortheEgyptians.Changesthataffectfoodsupplydon’thavetobeverylargetohavearippleeffectinsocieties,saysBillRyanoftheLamontDohertyEarthObservatoryinNewYork.“Similareventstodaycouldbeevenmoredevastating,”saysteammemberDanielStanley,ageoarchaeologistfromtheSmithsonianInstitutioninWashington,D.C..AnythinghumansdotoshifttheclimatebeltswouldhaveanevenworseeffectalongtheNilesystembecausethepopulationshaveincreasedWhydoestheauthormention“pyramidbuilders” BecausetheyonceworkedB.BecausetheywereC.BecausetheywereactuallyveryD.Becauseeventheywereunabletorescuetheir EvenancientEgypt’smightypyramidbuilderswerepowerlessinthefaceofthefaminethathelpedbringdowntheircivilianaround2180BC.NowevidencegleanedfrommuddepositedbytheRiverNilesuggeststhatashiftinclimatethousandsofkilometerstothesouthwasultimaytoblame‐‐andthesameorworsecouldhappenWhichofthefollowingfactorswasultima forthefallofthecivilisationofancientEgypt?A.ChangeofBCD.Population EvenancientEgypt’smightypyramidbuilderswerepowerlessinthefaceofthefaminethathelpedbringdowntheircivilianaround2180BC.NowevidencegleanedfrommuddepositedbytheRiverNilesuggeststhatashiftinclimatethousandsofkilometerstothesouthwasultimaytoblame‐‐andthesameorworsecouldhappenWhichofthefollowingstatementsisTheWhiteNileisthetrunkoftheRiverTheWhiteNileisthetrunkof C.TheWhiteNileisabranchof D.TheWhiteNileand arebranchesoftheRiver mudhas adifferentisotope yzingisotopedifferencesinmuddepositedintheNileDelta,MichaelKromofleedsUniversityworkedoutwhatproportionofsedimentcame AccordingtoKrom,Egypt’sOldKingdomfell yafteraperiodof yafteraperiodofjustbeforeadroughtjustbeforeafloodKromreasonsthatduringperiodsofdrought,theamountofthe mudintheriverwouldberelativelyhigh.Hefoundthatoneoftheseperiods,from4,500to4,200yearsago,immediaypredatesthefalloftheEgypt’sOldKingdom.Theword“devastating”inthelastparagraphcouldbebestreplacedby “ C.“ D.“TheweakenedwaterswouldhavebeencatastrophicfortheEgyptians.Changesthataffectfoodsupplydon’thavetobeverylargetohavearippleeffectinsocieties,saysBillRyanoftheLamontDohertyEarthObservatoryinNewYork.“Similareventstodaycouldbeevenmoredevastating,”saysteammemberDanielStanley,ageoarchaeologistfromtheSmithsonianInstitutioninWashington,D.C..AnythinghumansdotoshifttheclimatebeltswouldhaveanevenworseeffectalongtheNilesystembecausethepopulationshaveincreased长难句回顾：NowevidencegleanedfrommuddepositedbytheRiverNilesuggeststhatashiftinclimatethousandsofkilometerstothesouthwasultimaytoblame—andthesameorworsecouldhappentoday.埃及饱受饥荒即使古埃及伟大的金字塔建筑者面对那场在公元前2180年促使们的文 的饥荒 为力，从尼罗河沉淀的泥沙中收集来表明，南面数千公里处的气候的变化是最终的罪魁祸首—同样的或更的饥荒在今天仍有可古代的埃及人依赖于尼罗河每年的洪水来灌溉他们的庄稼。但是埃塞俄比亚高原中降雨量的减少可能意味着用以保持水克罗姆推理说，在干他发现，4200年前‐4500 约LamontDoherty地球天文台的比尔∙雷恩说：“影响食物供应的气候变来自Smithsonian学会的地质考古学家丹尼尔∙斯坦利说：“”C级第12FloridaHitbyColdAir【佛罗里 冷气 Citrus柠檬，柑橘；柑橘属果树Spokeswoman

sprinkler Bewilder~atthemercyof:意为“withoutanyprotectionagainst;helplessbefore”(任由……摆布；在……面前无助）。如：Theyweredriftinginanopenboat,atthemercyofthestorm.airmassposeathreat:造 。Pose造成，形成（问题）如:toposeanto(成为 InJanuary,2003,theeasterntwo‐thirdsoftheUnitedStateswasatthemercyofabitterlycoldairmassthathasendangeredFlorida’scitrustrees,chokednorthernharborswithiceandleftbewilderedresidentsofNorthCarolina’sOuterBanksdiggingoutofuptoafootofsnow.TheicechilldeepenedastemperaturesfelltothesingledigitsinmostoftheSouth,withanunfamiliardipbelowthefreezingmarkasfarsouthaspartsofinteriorSouthFlorida.TemperaturesinFloridaplunged,withWestPalmBeachdrop toarecordlowof2degrees.“Wecouldn’tbelievehowcolditwas,”saidMartinKing,whoarrivedthisweekinOrlandofromEngland.“webroughtshorts,T‐shirt,andIhadtogooutandbuyanothercoat.”ThetemperatureplungeposedathreattoFlorida’sUS$9.1billion‐a‐yearcitruscrop,moreofwhichisstillonthetrees.Growerswerehurryingtoharvestasmuchofthefruitaspossiblebeforeitwasdamagedbycold.“Timeisoftheessenceingettingfruittotheplant,”saidTomRogers,acitrusgrowerwhoexpectedtoseedamagetoorangesandgrapefruitatthattime.InFlorida,ernorJebBushsignedanemergencyordertoeliminatetheweightlimitontruckssocitrusgrowerscouldgetasmuchfruittomarketaspossible.CaseyPace,aspokeswomanforFloridaCitrus createdalayeroficeandhelpedmaintainatemperaturenearfreezing.Citrustreesareconsideredindangerofdamageifthetemperaturedropsbelowminus2degreesCelsiusforfourhoursormore.Snowrangingfromadustingtoupto30centimetersblanketedtheCarolinas,TennesseeandpartsofVirginia.Whichofthefollowingstatementsisnotmeantinthefirsttwoparagraphs?ThecoldairmasswasathreattoFlorida’scitrusThetemperatureintheUnitedStatesexcepttheSouthdroppedbelowthefreezingmark.ThenorthernharborswereblockedwithTheeasterntwothirdsoftheUnitedStateswashitbyairInJanuary,2003,theeasterntwo‐thirdsoftheUnitedStateswasatthemercyofabitterlycoldairmassthathasendangeredFlorida’scitrustrees,chokednorthernharborswithiceandleftbewilderedresidentsofNorthCarolina’sOuterBanksdiggingoutofuptoafootofsnow.TheicechilldeepenedastemperaturesfelltothesingledigitsinmostoftheSouth,withanunfamiliardipbelowthefreezingmarkasfarsouthaspartsofinteriorSouthFlorida.TemperaturesinFloridaplunged,withWestPalmBeachdrop toarecordlowof2degrees.Accordingtothesecondparagraph,inwhichareadidthetemperaturefallbelowMostofthePartsofinteriorSouthWestPalmAlloftheTheicechilldeepenedastemperaturesfelltothesingledigitsinmostoftheSouth,withanunfamiliardipbelowthefreezingmarkasfarsouthaspartsofinteriorSouthFlorida.TemperaturesinFloridaplunged,withWestPalmBeachdroptoarecordlowof2degrees.King’sstatementthat“Webroughtshorts,T‐shirt,andIhadtogooutandbuyanothercoat,”showsthat hewascaughtbythesuddenheneededformalfashioninFloridaisFloridaishowcomparedwith“Wecouldn’tbelievehowcolditwas,”saidMartinKing,whoarrivedthisweekinOrlandofromEngland.“webroughtshorts,T‐shirt,andIhadtogooutandbuyanothercoat.”ernorJebissuetheemergencyorderbecause thoughtspeedlimitfortruckswastriedtoimprovedthetrafficconditionoftheexpresswantedtoencouragetruckstotransportasmuchfruittomarketaspossible.wantedtostoptrucksfromcarryingtoomuchfruittoInFlorida, ernorJebBushsignedanemergencyordertoeliminatetheweightlimitontruckssocitrusgrowerscouldgetasmuchfruittomarketaspossible.WhichstatementisNOTtrueaccordingtothelastSprinklerswereusedtoprotectcitrustreesfrombeingCitrustreeswouldbedamagedifthetemperatur