大学英语四级选词填空单项训练+答案Word文档下载推荐.docx

大学英语四级选词填空单项训练+答案Word文档下载推荐.docx

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Wehavecomealongwayfromthatfirst__55__carriagebecauseofthecooperativeeffortsofmanypeopleinthelastcentury.Itwillbeinterestingtoseewhatthefutureholdsfortheautomobile.Wehavealreadyseensignsoftheuseofsolarenergyinthisarea.Aslongasmanhasabrain,thefutureoftheautomobileis__56__.

A）backboneF）enjoyedK）definite

B）infiniteG）horselessL）developed

C）furtherH）developingM）farther

D）backgroundI）opportunitiesN）impressed

E）ledJ）snowballO）pace

（2）

Acollegeeducationisaninvestmentinthefuture.Butitcanbea47one.TheCollegeBoard48thatthecostsatafour-yearpubliccollegeintheUnitedStatesincreased10%thispastschoolyear.Thatwaslessthanthe13%increasetheyearbefore,butstillmuchhigherthantheinflation49Publiccollegesanduniversitiesstillcostalotlessthanprivateones.

Financialaidoftenhelps.Butfinancialexperts50parentstostartcollegesavingsplanswhentheirchildisStillveryyoung.

AllfiftystatesandtheDistrictofColumbia51whatarecalled5-29plans.Theseplansarenamedafterthepartofthefederaltaxlawthatcreatedthemin1996.Statesuseprivateinvestmentcompaniestooperatethe52oftheprograms.

Everystatehasitsownrules535-29plans.Someoftheplansare54ofstatetaxes.Andallarenotrequiredtopayfederaltaxes.However,thegovernmentcouldstarttotaxwithdrawalsin2011ifCongressdoesnotchangethelaw.

5-29plansincludeinvestmentaccountsthatincreaseordecreaseinvaluewiththeinvestmentstheycontain.Familiesmustdecidehow55theywanttoputmoneyintostocks,orotherinvestments.

Anotherkindof5-29planletsparentsbegintopayfortheirchild’seducationin56andlongbeforetheirchildstartscollege.Thiskindofsavingsprogramiscalledaprepaidtuitionplan.Themoneygoesintoanaccounttopayforaneducationatapubliccollegeoruniversityinthefamily'

shomestate.

A）aggressivelyF）consumesK）free

B）estimatesG）costlyL）majority

C）offerH）declineM）advance

D）automaticallyI）adviseN）governing

E）rateJ）capableO）general

（3）

ThereisprogresstowardapossibletreatmentforlungdiseasessuchasSARS（severeacuterespiratorysyndrome）.ResearchershavelearnedmoreabouthowtheSARSvirusworks:

it47withasysteminthebodythatusesenzymes（酶）tocontrolbloodpressureandfluidbalance.Scientistssaythevirus48toanenzymeknownasACE-two.Thevirusblockstheenzyme,permittingfluidtoenterthelungs.

AteamfromEuropeandAsiareportedthe49inNatureMedicine.DoctorJosefPenningeroftheInstituteofMolecularBiotechnologyintheAustrianAcademyofScienceswasthe50writerofthereport.Thediscoverycouldleadtoanew51oftreatingnotjustSARSbutalsootherdiseasesthatcancauselungfailure.Theseincludeavianflu（禽流感）andinfluenzainhumans.

Thefirst52ofSARSwerediscoveredinGuangdongprovince,insouthernChina,inNovemberof2002.SARSwasnot53asaworldwidethreatuntilMarchof2003.Thediseasespreadto26countries,mostofthemintheAsia-Pacificarea.Anestimated8,000peoplehadSARS.Morethan770ofthemdied,orabout10%,a54highrate.

TheWorldHealthOrganizationwarnedpeoplenottotravelto55areas.The56hurtinternationaltravelandbusiness.TheWHOsaysthediseasestoppedspreadingbyJulyof2003.AsaresultofSARS,thehealthagencygotnewpowerstoactbeforeagovernmentofficiallyannouncesacrisis.

A）meansF）associatesK）optimistically

B）alternativeG）majorL）identified

C）attachesH）awfulM）interferes

D）crisisI）relativelyN）distributed

E）casesJ）findingsO）affected

（4）

Tocallsomething“marginal”meansitisnotverygood.Farmershavetheirownwayto47marginalland:

Itisthelasttobeplantedundergoodconditions,andhasthe48tobeavoidedunderpoorconditions.Low49soilisnottheonlyreasonlandcouldbeconsideredmarginal.Itmightbeinanareawhererainfallis50orwhereahillsidemightrisetoosteeply.

Thereareusesformarginalland,however.Mostoftenitisusedasgrassland.Grassesprovideexcellent51forgrazing（吃草）animalslikecattle,sheepandgoats.Grassseedcanbeboughtfromaforeignsupplieror52grassescanbeused.However,usingmarginallandforgrazingisnotasimpleissue.Thereisa53ofovergrazing.Cattlecandamagethecropsbyeatingdowntotheroots.Also,theweightoftheanimalscrushesthesoilandcanmakeittoohardforgrowing.A（n）54waytoreducetheharmistomoveanimalsfromonefieldtoanother.Thismethodisknownasrotationalgrazing（循环放牧）whichisextremelyimportantformarginalland.

Anotheruseformarginallandisfortreecrops.Studieshave55thatthewhitepineandloblollypine（火炬松）aretwokindsoftreesthatgrowwellonsuchland.Theygrowfastandprovidegoodqualitywood.Anothertreeisthepoplar（白杨）,foundinmanypartsoftheworld.

Failuretotakethecareneededtoprotectmarginallandscanmakeabadsituationworse.Butgoodplanningcan56amarginalresourceintoahighlyproductiveone.

A）feedF）defineK）native

B）priorityG）adequateL）revealed

C）transplantH）transformM）prejudice

D）effectiveI）discouragingN）hazard

E）limitedJ）qualityO）recovered

（5）

ChinaiscastingsuchahugeshadowontheUnitedStatesthatmanyAmericansaretryinghardtolearntheChineselanguagewithanefforttokeeptheircompetitiveedge.

"

InterestinlearningChineseamongAmericanyouthandtheirparentshasgrown47inthepastfiveyears,"

saidVivienStewart,vicepresidentattheAsiaSociety,aUSgrouptryingtobridgethe48betweenAmericansandthepeoplesofAsiaandthePacific.

China'

srapidprogressisdrivingtheinterestto49thelanguage,expertssay."

TheChineserichculturaltraditionsand50economymeanthatitisnowessentialforallofourstudentstobebetterpreparedtoengagethemandseizeopportunitiestogether,"

saidMichaelLevine,AsiaSociety'

sexecutivedirectorofeducation.

A2004CollegeBoardsurveyfoundthat2,400highschools--an51number--wouldbeinterestedin52theAdvancedPlacement（AP）coursesinChineselanguageandculturewhenthecoursesbecomeavailablein2006.

China,theworld'

smostpopulous（人口稠密的）nation,is53totheUnitedStatesbecauseitisaleadingtrader,consumerandinvestor.Ithas54theUnitedStatesastheworld'

slargestconsumerandcouldbecomethesecondlargesteconomyintheworld,inthenexttwotothreedecades.

EventhoughtheUSStateDepartmenthasregardedtheChineselanguageextremelyimportanttonationalprosperity,the"

55conditionstosupportrecruitmentofstudentsandteachersaswellasthegrowthofhighqualityprogramsis56inadequate,"

anAsiaSocietystudysays.

A）thrivingF）replacedK）gap

B）automaticallyG）pursueL）scarcely

C）dramaticallyH）requestM）current

D）importantI）incredibleN）offering

E）regainedJ）efficientO）discouragingly

（6）

CanmoneybuyhappinessYes,47theauthorsofanewstudy---butonlytoapoint.

Psychologyhasshownthatricherpeoplegenerallyranktheoverallqualityoftheirlivesmore48thanpoorerpeopledo.Atthesametime,theiractualhappinessseemstobe49lessbytheirabilitytobuymorethanbybeingabletokeepupwiththosewithcomparableresourcesintheirownagegroup.

Ourfindingspointtothepossibilitythat,ratherthanpromotingoverallhappiness,continuedincomegrowthcould50anongoingconsumptionracewherepeoplehavetoconsumemoreandmore,justtomaintaina51levelofhappiness,"

writesGlennFirebaughofPennsylvaniaStateUniversity.

Thestudywas52attheAmericanSociologicalAssociation'

s100thAnnualMeeting.Whetherthericharehappierasawholethantheirless53fellowsisbecominganincreasinglyhottopicfordebate.Recentyearshave54manywritingsonthe"

scienceofhappiness."

Richerpeoplearehappierbecausemoneycanhelppurchasegoodsandservice