《大学英语四级选词填空单项训练+答案》由会员分享,可在线阅读,更多相关《大学英语四级选词填空单项训练+答案(8页珍藏版)》请在金锄头文库上搜索。
1、Directions:Inthissection,thereisapassagewithtenblanks.Youarerequestedtoselectonewordforeachblankfromalistofchoicesgiveninawordbankfollowingthepassage.Readthepassagethroughcarefullybeforemakingyourchoices.Eachchoiceinthebankisidentifiedbyaletter.PleasemarkthecorrespondingletterforeachitemonAnswerShee
2、t2withasinglelinethroughthecentre.Youmaynotuseanyofthewordsinthebankmorethanonce.Questions47to56arebasedonthefollowingpassage.(1)Oncetheworldembracedtheautomobile,thedaysofdependingonhorses,bicycles,ferries,andtrainsquicklyslippedintothepast.Peoplewere_47_withthespeedoftheautomobilebuttheywerealsoen
3、joyingthepersonalfreedomthattheautomobilegavethem.Owningacargavepeoplethefreedomtogoanyplacearoad_48_.Thisallowedpeopletoandattheirown_49_.Thisindependencegavethecarapopularedgeoverbusesandtrains.Thepopularityoftheautomobilemadeitthe_50_ofthetransportationsystem.Theautomobilechangedourliveswhenitcre
4、atedagiantindustrythatofferedmoreandmorejobs.Theautomobilemadeitpossibleforpeopletoliveinareas_51_fromtheirworkplace.Thiscausedcitiestogrowandmadesuburbanlivingmoreconvenient.Ofcourse,withmoreplacestogo,more_52_roadshadtobebuilt.Theautomobilecauseda_53_effect.Jobsincreased,industriesgrew,newindustri
5、esdeveloped,andcitiesappeared.Todaytheautomobileindustrycontinuestooffermany_54_.Jobsareplentifulinthisindustryandimprovementscontinuetobemadetotheautomobilewithnewtechnologies.Wehavecomealongwayfromthatfirst_55_carriagebecauseofthecooperativeeffortsofmanypeopleinthelastcentury.Itwillbeinterestingto
6、seewhatthefutureholdsfortheautomobile.Wehavealreadyseensignsoftheuseofsolarenergyinthisarea.Aslongasmanhasabrain,thefutureoftheautomobileis_56_.A)backboneF)enjoyedK)definiteB)infiniteG)horselessL)developedC)furtherH)developingM)fartherD)backgroundI)opportunitiesN)impressedE)ledJ)snowballO)pace(2)Aco
7、llegeeducationisaninvestmentinthefuture.Butitcanbea47one.TheCollegeBoard48thatthecostsatafour-yearpubliccollegeintheUnitedStatesincreased10%thispastschoolyear.Thatwaslessthanthe13%increasetheyearbefore,butstillmuchhigherthantheinflation49Publiccollegesanduniversitiesstillcostalotlessthanprivateones.
8、Financialaidoftenhelps.Butfinancialexperts50parentstostartcollegesavingsplanswhentheirchildisStillveryyoung.AllfiftystatesandtheDistrictofColumbia51whatarecalled5-29plans.Theseplansarenamedafterthepartofthefederaltaxlawthatcreatedthemin1996.Statesuseprivateinvestmentcompaniestooperatethe52oftheprogr
9、ams.Everystatehasitsownrules535-29plans.Someoftheplansare54ofstatetaxes.Andallarenotrequiredtopayfederaltaxes.However,thegovernmentcouldstarttotaxwithdrawalsin2011ifCongressdoesnotchangethelaw.5-29plansincludeinvestmentaccountsthatincreaseordecreaseinvaluewiththeinvestmentstheycontain.Familiesmustde
10、cidehow55theywanttoputmoneyintostocks,orotherinvestments.Anotherkindof5-29planletsparentsbegintopayfortheirchildL_5s6eduacnadtibonnghbefDretheiradchildstartscollege.Thiskindofsavingsprogramiscalledaprepaidtuitionplan.Themoneygoesintoanaccounttopayforaneducationatapubliccollegeoruniversityinthefamily
11、shomestate.A) aggressivelyB) estimatesC) offerD) automaticallyE) rateF)consumesG) costlyH) declineI) adviseJ) capableK)freeL) majorityM)advanceN)governingO)generalA)meansF)associatesK)optimisticallyB)alternativeC)attachesG) majorawfulidentifiedM)interferesD)crisisI)relativelyN)distributedE)casesJ)fi
12、ndingsO)affected(3)ThereisprogresstowardapossibletreatmentforlungdiseasessuchasSARS(severeacuterespiratorysyndrome).ResearchershavelearnedmoreabouthowtheSARSvirusworks:it47withasysteminthebodythatusesenzymes(酶)tocontrolbloodpressureandfluidbalance.Scientistssaythevirus48toanenzymeknownasACE-two.Thev
13、irusblockstheenzyme,permittingfluidtoenterthelungs.AteamfromEuropeandAsiareportedthe49inNatureMedicine.DoctorJosefPenningeroftheInstituteofMolecularBiotechnologyintheAustrianAcademyofScienceswasthe50writerofthereport.Thediscoverycouldleadtoanew51oftreatingnotjustSARSbutalsootherdiseasesthatcancausel
14、ungfailure.Theseincludeavianflu(禽流感)andinfluenzainhumans.Thefirst52ofSARSwerediscoveredinGuangdongprovince,insouthernChina,inNovemberof2002.SARSwasnot53asaworldwidethreatuntilMarchof2003.Thediseasespreadto26countries,mostofthemintheAsia-Pacificarea.Anestimated8,000peoplehadSARS.Morethan770ofthemdied
15、,orabout10%,a54highrate.TheWorldHealthOrganizationwarnedpeoplenottotravelto55areas.The56hurtinternationaltravelandbusiness.TheWHOsaysthediseasestoppedspreadingbyJulyof2003.AsaresultofSARS,thehealthagencygotnewpowerstoactbeforeagovernmentofficiallyannouncesacrisis.soilandcanmakeittoohardforgrowing.A(
16、n)A) feedpriorityF) defineadequateD) transplanteffectivelimitedtransformdiscouragingJ)qualityM)prejudiceN)hazardO)recoveredTocallsomethingmarginal”meansitisnotverygood.Farmershavetheirownwayto47marginalland:Itisthelasttobeplantedundergoodconditions,andhasthe48tobeavoidedunderpoorconditions.50 Low49soilisnottheon