大学英语四级选词填空单项训练+答案

1、选词填空单项训练bankedclozedirections:inthissection,thereisapassagewithtenblanks.youarerequestedtoselectonewordforeachblankfromalistofchoicesgiveninawordbankfollowingthepassage.readthepassagethroughcarefullybeforemakingyourchoices.eachchoiceinthebankisidentifiedbyaletter.pleasemarkthecorrespondingletterfore

2、achitemonanswersheet2withasinglelinethroughthecentre.youmaynotuseanyofthewordsinthebankmorethanonce.questions47to56arebasedonthefollowingpassage.1选词填空单项训练bankedcloze（1）oncetheworldembracedtheautomobile,thedaysofdependingonhorses,bicycles,ferries,andtrainsquicklyslippedintothepast.peoplewere_47_witht

3、hespeedoftheautomobilebuttheywerealsoenjoyingthepersonalfreedomthattheautomobilegavethem.owningacargavepeoplethefreedomtogoanyplacearoad_48_.thisallowedpeopletoandattheirown_49_.thisindependencegavethecarapopularedgeoverbusesandtrains.thepopularityoftheautomobilemadeitthe_50_ofthetransportationsyste

4、m.theautomobilechangedourliveswhenitcreatedagiantindustrythatofferedmoreandmorejobs.theautomobilemadeitpossibleforpeopletoliveinareas_51_fromtheirworkplace.thiscausedcitiestogrowandmadesuburbanlivingmoreconvenient.ofcourse,withmoreplacestogo,more_52_roadshadtobebuilt.theautomobilecauseda_53_effect.j

5、obsincreased,industriesgrew,newindustriesdeveloped,andcitiesappeared.todaytheautomobileindustrycontinuestooffermany_54_.jobsareplentifulinthisindustryandimprovementscontinuetobemadetotheautomobilewithnewtechnologies.wehavecomealongwayfromthatfirst_55_carriagebecauseofthecooperativeeffortsofmanypeopl

6、einthelastcentury.itwillbeinterestingtoseewhatthefutureholdsfortheautomobile.wehavealreadyseensignsoftheuseofsolarenergyinthisarea.aslongasmanhasabrain,thefutureoftheautomobileis_56_.a)backboneb)infinitec)furtherd)backgrounde)ledf)enjoyedg)horselessh)developingi)opportunitiesj)snowballk)definitel)de

7、velopedm)farthern)impressedo)pace（2）acollegeeducationisaninvestmentinthefuture.butitcanbea47one.thecollegeboard48thatthecostsatafour-yearpubliccollegeintheunitedstatesincreased10%thispastschoolyear.thatwaslessthanthe13%increasetheyearbefore,butstillmuchhigherthantheinflationuniversitiesstillcostalot

8、lessthanprivateones.49publiccollegesandfinancialaidoftenhelps.butfinancialexpertschildisstillveryyoung.50parentstostartcollegesavingsplanswhentheirallfiftystatesandthedistrictofcolumbia51whatarecalled5-29plans.theseplansarenamedafterthepartofthefederaltaxlawthatcreatedthemin1996.statesuseprivateinve

9、stmentcompaniestooperatethe52oftheprograms.everystatehasitsownrules535-29plans.someoftheplansare54ofstatetaxes.andallarenotrequiredtopayfederaltaxes.however,thegovernmentcouldstarttotaxwithdrawalsin2011ifcongressdoesnotchangethelaw.5-29plansincludeinvestmentaccountsthatincreaseordecreaseinvaluewitht

10、heinvestmentstheycontain.familiesmustdecidehow55theywanttoputmoneyintostocks,orotherinvestments.anotherkindof5-29planletsparentsbegintopayfortheirchild5s6eduacnadtiloonnginbeforetheirchildstartscollege.thiskindofsavingsprogramiscalledaprepaidtuitionplan.themoneygoesintoanaccounttopayforaneducationat

11、apubliccollegeoruniversityinthefamilyshomestate.a)aggressivelyb)estimatesc)offerd)automaticallye)ratef)consumesg)costlyh)declinei)advisej)capablek)freel)majoritym)advancen)governingo)general2选词填空单项训练bankedcloze（3）thereisprogresstowardapossibletreatmentforlungdiseasessuchassars(severeacuterespiratory

12、syndrome).researchershavelearnedmoreabouthowthesarsvirusworks:it47withasysteminthebodythatusesenzymes(酶)tocontrolbloodpressureandfluidbalance.scientistssaythevirusenzymeknownasace-two.thevirusblockstheenzyme,permittingfluidtoenterthelungs.48toanateamfromeuropeandasiareportedthe49innaturemedicine.doc

13、torjosefpenningeroftheinstituteofmolecularbiotechnologyintheaustrianacademyofscienceswasthe50writerofthereport.thediscoverycouldleadtoanew51oftreatingnotjustsarsbutalsootherdiseasesthatcancauselungfailure.theseincludeavianflu(禽流感)andinfluenzainhumans.thefirst522002.sarswasnotofsarswerediscoveredingu

14、angdongprovince,insouthernchina,innovemberof53asaworldwidethreatuntilmarchof2003.thediseasespreadto26countries,mostofthemintheasia-pacificarea.anestimated8,000peoplehadsars.morethan770ofthemdied,orabout10%,a54highrate.theworldhealthorganizationwarnedpeoplenottotravelto55areas.the56hurtinternationalt

15、ravelandbusiness.thewhosaysthediseasestoppedspreadingbyjulyof2003.asaresultofsars,thehealthagencygotnewpowerstoactbeforeagovernmentofficiallyannouncesacrisis.a)meansb)alternativec)attachesd)crisise)casesf)associatesg)majorh)awfuli)relativelyj)findingsk)optimisticallyl)identifiedm)interferesn)distrib

16、utedo)affected（4）“tocallsomethingmarginal”meansitisnotverygood.farmershavetheirownwayto47marginalland:itisthelasttobeplantedundergoodconditions,andhasthe48tobeavoidedunderpoorconditions.low49soilisnottheonlyreasonlandcouldbeconsideredmarginal.itmightbeinanareawhererainfallis50orwhereahillsidemightri

17、setoosteeply.thereareusesformarginalland,however.mostoftenitisusedasgrassland.grassesprovideexcellent51forgrazing(吃草)animalslikecattle,sheepandgoats.grassseedcanbeboughtfromaforeignsupplieror52grassescanbeused.however,usingmarginallandforgrazingisnotasimpleissue.thereisa53ofovergrazing.cattlecandama

18、gethecropsbyeatingdowntotheroots.also,theweightoftheanimalscrushesthesoilandcanmakeittoohardforgrowing.a(n)54waytoreducetheharmistomoveanimalsfromonefieldtoanother.thismethodisknownasrotationalgrazing(循环放牧)whichisextremelyimportantformarginalland.anotheruseformarginallandisfortreecrops.studieshave55

19、thatthewhitepineandloblollypine(火炬松)aretwokindsoftreesthatgrowwellonsuchland.theygrowfastandprovidegoodqualitywood.anothertreeisthepoplar(白杨),foundinmanypartsoftheworld.failuretotakethecareneededtoprotectmarginallandscanmakeabadsituationworse.butgoodplanningcan56amarginalresourceintoahighlyproductiv

20、eone.a)feedb)priorityc)transplantd)effectivee)limitedf)defineg)adequateh)transformi)discouragingj)qualityk)nativel)revealedm)prejudicen)hazardo)recovered3选词填空单项训练bankedcloze（5）chinaiscastingsuchahugeshadowontheunitedstatesthatmanyamericansaretryinghardtolearnthechineselanguagewithanefforttokeeptheir

21、competitiveedge.interestinlearningchineseamongamericanyouthandtheirparentshasgrown47inthepastfiveyears,saidvivienstewart,vicepresidentattheasiasociety,ausgrouptryingtobridgethe48betweenamericansandthepeoplesofasiaandthepacific.chinasrapidprogressisdrivingtheinterestto49thelanguage,expertssay.thechin

22、eserichculturaltraditionsand50economymeanthatitisnowessentialforallofourstudentstobebetterpreparedtoengagethemandseizeopportunitiestogether,saidmichaellevine,asiasocietysexecutivedirectorofeducation.a2004collegeboardsurveyfoundthat2,400highschools-an51number-wouldbeinterestedin52theadvancedplacement

23、(ap)coursesinchineselanguageandculturewhenthecoursesbecomeavailablein2006.china,theworldsmostpopulous(人口稠密的)nation,is53totheunitedstatesbecauseitisaleadingtrader,consumerandinvestor.ithas54theunitedstatesastheworldslargestconsumerandcouldbecomethesecondlargesteconomyintheworld,inthenexttwotothreedec

24、ades.eventhoughtheusstatedepartmenthasregardedthechineselanguageextremelyimportanttonationalprosperity,thequalityprogramsis55conditionstosupportrecruitmentofstudentsandteachersaswellasthegrowthofhigh56inadequate,anasiasocietystudysays.a)thrivingb)automaticallyc)dramaticallyd)importante)regainedf)rep

25、lacedg)pursueh)requesti)incrediblej)efficient（6）k)gapl)scarcelym)currentn)offeringo)discouraginglycanmoneybuyhappiness?yes,47theauthorsofanewstudy-butonlytoapoint.psychologyhasshownthatricherpeoplegenerallyranktheoverallqualityoftheirlivesmore48thanpoorerpeopledo.atthesametime,theiractualhappinessse

26、emstobe49lessbytheirabilitytobuymorethanbybeingabletokeepupwiththosewithcomparableresourcesintheirownagegroup.ourfindingspointtothepossibilitythat,ratherthanpromotingoverallhappiness,continuedincomegrowthcould50anongoingconsumptionracewherepeoplehavetoconsumemoreandmore,justtomaintaina51levelofhappi

27、ness,writesglennfirebaughofpennsylvaniastateuniversity.thestudywas52attheamericansociologicalassociations100thannualmeeting.whetherthericharehappierasawholethantheirless53fellowsisbecominganincreasinglyhottopicfordebate.recentyearshave54manywritingsonthescienceofhappiness.richerpeoplearehappierbecau

28、semoneycanhelppurchasegoodsandservicesanditisthe55ofthesematerialsthatincreasesonesenjoymentoflifeandonessenseofwell-being.firebaughandhiscolleaguesmeasuredtheage,totalfamilyincome,andgeneralhappinessof56aged20to64,generallyconsideredtheworkinglifespan(工作寿命)formostamericans.regardlessofsuchstandards

29、asphysicalhealth,education,andmaritalstatus(婚姻状况),peopleshappinesswasaffectedbywhatothersearned.thehighertheincomeofothersinonesagegroup,theloweroneshappiness.a)constantb)wealthyc)claimd)denye)motivatedf)consumptiong)consequentlyh)implementi)automaticj)presentedk)witnessedl)rejectedm)individualsn)fa

30、vorablyo)challenging4选词填空单项训练（7）bankedclozekitchendutiesmayhavetraditionallybeenviewedaswomenswork,butnotatthheouwseh.tiuentilnow:cristetacomerfordhasbeennamedexecutivechef(厨师).afteran_47six-monthsearch,firstladylaurabushannouncedsundaythatcomerfordwaschosenfromhundredsof48toheadtheexecutivekitchen.

31、anaturalizedu.s.citizenfromthephilippines,shewillbethefirstwomanandfirst49toholdthepost.the42-year-oldcomerfordhasbeenanassistantchefatthewhitehousefor10years.sheworkedunderformerexecutivechefwalterscheibill,who50infebruary.scheibsaidsundaythatcomerfordwas51thebestassistanthehadinhis30-yearcareerand

32、isawonderfulchoicetotakeover.hesaidsheisagreatcookwithanartisticeyeandacalmmannerthatcan52thepressurecooker(高压锅)inthewhitehousekitchen.comerfordhasabachelorsdegreeinfoodtechnologyfromtheuniversitoyfthephilippines.shehasworkedatlecielinvienna,austriaandatrestaurantsintwowashingtonhotels.whilebeingexe

33、cutivechefatthewhitehouseishonorable,thejobalsocanbe53comerfordwillbeinchargeofeverythingfromstatedinnersforworldleaderstodessertforthecommanderinchief,hisfamilyandguests.theheadchefis54fordesigningandexecutingmenusforstatedinners,socialevents,holidayfunctions,receptionsandofficialluncheons(午宴)$80,0

34、00-$100,000ayear.55bythepresidentandfirstlady.thejobpays56a)responsibleb)minorityc)challenged)extensivee)approximatelyf)undoubtedlyg)identicalh)handlei)resignedj)convincek)applicantsl)exhaustingm)skillfullyn)regainedo)hosted（8）themoretimechildrenspendwatchingtelevisionthepoorertheyperformacademicall

35、y,accordingtothreestudiespublishedonmonday.47televisionviewinghasbeenblamedforincreasingratesofchildhoodobesity(肥胖)andforaggressivebehavior,whileitssaid.48onschoolinghavebeeninconclusive,researchersbutstudiespublishedonthetopicinthismonthsarchivesofpediatrics(小儿科)&adolescentmedicineconcludedtelevisionviewing49tohaveanadverseeffect(副