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1、2006.6Questions47to56arebasedonthefollowingpassage.ElNinoisnamegiventothemysteriousandoftenunpredictablechangeintheclimateoftheworld.Thisstrange__47__happenseveryfivetoeightyears.ItstartsinthePacificOceanandisthoughttobecausedbyafailureinthetradewinds(信风)，whi
2、chaffectstheoceancurrentsdrivenbythesewinds.Asthetradewindslessenin__48__,theoceantemperaturesrise,causingthePerucurrentflowinginfromtheeasttowarmupbyasmuchas5℃.Thewarmingoftheoceanhasfar-reachingeffects.Thehot,humid(潮湿的)airovertheoceancausessevere__49__thund
3、erstorms.TherainfallisincreasedacrossSouthAmerica.__50__floodstoPeru.IntheWestpacific,therearedroughtsaffectingAustraliaandIndonesia.Sowhilesomepartsoftheworldprepareforheavyrainsandfloods,otherpartsfacedrought,poorcropsand__51__.ElNinousuallylastsforabout18m
4、onths.The1982-83ElNinobroughtthemost__52__weatherinmodernhistory.Itseffectwasworldwideanditleftmorethan2,000peopledeadandcausedovereightbillionpounds__53__ofdamage.The1990ElNinolasteduntilJune1995.Scientists__54__thistobethelongestElNinofor2,000years.Nowadays
5、,weatherexpertsareabletoforecastwhenanElNinowill__55__,buttheyarestillnot__56__surewhatleadstoitorwhataffectshowstrongitwillbe.A)estimateE)tropicalI)completelyM)exhaustionB)strengthF)phenomenonJ)destructiveN)worthC)deliberatelyG)stableK)starvationO)strikeD)no
6、tifyH)attractionL)bringing2006.12ThefloodofwomenintothejobmarketboostedeconomicgrowthandchangedU.S.societyinmanyways.Manyin-homejobsthatusedtobedone47bywomen----rangingfromfamilyshoppingtopreparingmealstodoing48work——stillneedtobedonebysomeone.Husbandsandchil
7、drennowdosomeofthesejobs,a49thathaschangedthetargetmarketformanyproducts.Oraworkingwomanmayfaceacrushing“povertyoftime“andlookforhelpelsewhere,creatingopportunitiesforproducersoffrozenmeals,childcarecenters,drycleaners,financialservices,andthelike.Althoughthe
8、reisstillabigwage50betweenmenandwomen,theincomeworkingwomen51givesthemnewindependenceandbuyingpower.Forexample,womennow52abouthalfofallcars.Notlongago,manycarsdealers53womenshoppersbyigno
