搜索
2008年12月大学英语四级模拟试题及答案解析(二)一、选词填空题第1题：Tocallsomething“marginal”meansitisnotverygood.Farmershavetheirownwayto1marginalland:Itisthelasttobeplantedundergoodconditions,andhasthe2tobeavoidedunderpoorconditions.Low3soilisnottheonlyreasonlandcouldbeconsideredmarginal.Itmightbeinanareawhererainfallis4orwhereahillsidemightrisetoosteeply(陡峭地).Thereareusesformarginalland,however.Mostoftenitisusedasgrassland.Grassesprovideexcellent5forgrazing(吃草)animalslikecattle,sheepandgoats.Grassseedcanbeboughtfromaforeignsupplieror6grassescanbeused.However,usingmarginallandforgrazingisnotasimpleissue.Thereisa7ofovergrazing.Cattlecandamagethecropsbyeatingdowntotheroots.Also,theweightoftheanimalscrushesthesoilandcanmakeittoohardforgrowing.A(n)8waytoreducetheharmistomoveanimalsfromonefieldtoanother.Thismethodisknownasrotationalgrazing(循环放牧)whichisextremelyimportantformarginalland.Anotheruseformarginallandisfortreecrops.Studieshave9thatthewhitepineandloblollypine(火炬松)aretwokindsoftreesthatgrowwellonsuchland.Theygrowfastandprovidegoodqualitywood.Anothertreeisthepoplar(白杨),foundinmanypartsoftheworld.Failuretotakethecareneededtoprotectmarginallandscanmakeabadsituationworse.Butgoodplanningcan10amarginalresourceintoahighlyproductiveone.A)feedB)priorityC)transplantD)effectiveE)limitedF)defineG)adequateH)transformI)discouragingJ)qualityK)nativeL)revealedM)prejudiceN)hazardO)recovered【参考答案】：FBJEAKNDLH二、完型填空第2题：Theterm“qualityoflife”isdifficulttodefine.It1averywidescopesuchaslivingenvironment,health,employment,food,familylife,friends,education,materialpossessions,leisureand2,andsoon.3speaking,thequalityoflife,especiallyasseenbytheindividual,ismeaningfulin4ofthedegreetowhichthesevariousareasoflifeare5orprovidesatisfactiontotheindividual.Asactivitycarried6asonethinksfitduringone’ssparetime,leisurehasthefollowing7:relaxation,recreationandentertainment,andpersonaldevelopment.Theimportanceofthese8accordingtothenatureofone’sjobandone’slife-style.Thus,peoplewhoneedto9muchenergyintheirworkwillfindrelaxationmost10inleisure.Thosewithabettereducationandinprofessionaloccupationsmay11moretoseekrecreationandpersonaldevelopment(e.g.12ofskillsandhobbies)inleisure.Thespecificuseofleisurevariesfromindividualtoindividual.13thesameleisureactivitymaybeuseddifferentlybydifferentindividuals.Thus,thefollowingarepossibleusesoftelevisionwatching,a14leisureactivity,achangeofexperiencetoprovide15fromthestressand16ofwork;tolearnmoreaboutwhatishappeninginone’senvironment;toprovideanopportunityforunderstandingoneself’by17otherpeople’slifeexperiencesasportrayed(描绘)intheprograms.18leisureisbasicallyself-determined,oneisabletotake19one’sinterestsandpreferencesandget20inanactivityinwaysthatwillbringenjoymentandsatisfaction.1.A)composesB)consistsC)coversD)constitutes2.A)excursionB)reservationC)recognitionD)recreation3.A)BasicallyB)GenerallyC)PrimarilyD)Frankly4.A)termsB)placeC)meansD)way5.A)adaptableB)approachableC)availableD)agreeable6.A)outB)throughC)awayD)off7.A)definitionsB)identificationC)functionsD)operations8.A)altersB)variesC)shiftsD)changes9.A)provideB)hireC)consumeD)exert10.A)preferableB)desirableC)feasibleD)rational11A)tendB)preferC)selectD)oblige12.A)trainingB)promotionC)nutritionD)cultivation13.A)StillB)YetC)EvenD)So14.A)correctB)adequateC)preciseD)proper15.A)separationB)escapeC)flightD)isolation16.A)reliefB)anxietyC)squeezeD)strain17.A)contrastingB)comparingC)matchingD)measuring18.A)AlthoughB)SinceC)WhetherD)Therefore19.A)afterB)onC)withD)to20.A)involvedB)participatedC)attendedD)employed1小题、【正确答案】：C2小题、【正确答案】：D3小题、【正确答案】：B4小题、【正确答案】：A5小题、【正确答案】：C6小题、【正确答案】：A7小题、【正确答案】：C8小题、【正确答案】：B9小题、【正确答案】：C10小题、【正确答案】：B11小题、【正确答案】：A12小题、【正确答案】：D13小题、【正确答案】：C14小题、【正确答案】：C15小题、【正确答案】：B16小题、【正确答案】：D17小题、【正确答案】：B18小题、【正确答案】：B19小题、【正确答案】：D20小题、【正确答案】：A【参考解析】：无三、阅读理解第3题：Plasticsarematerialswhicharesoftenedbyheatandsetintolastingformwhenshapedinamold.Somearenatural;somearesemisynthetic(半合成的),theresultofchemicalactiononanaturalsubstance;somearesynthetic,builtupfromtheconstituents(成分)ofoilorcoal.Allarebasedonthechemistryofcarbon,withitscapacityforformingchains.Themoleculesthatcomposethem(monomers)linktogetherinthesettingorcuring(加工)processtoformchains(polymers),whichgiveplasticstheirflexiblestrength.Someplasticsretaintheirabilitytobesoftenedandreshaped:likewax,theyarethermoplastic.Otherssetpermanentlyintheshapestheyaregivenbyheatandpressure;likeeggs,theyarethermosetting.Fromindustrialbeginningsinthenineteenthcentury,plasticshavestruggledthroughahundredandtwentyyearsofglory,failure,disrepute,andsuspicionontheslowroadtopublicacceptance.Nowatlast,onecallpositivelysaythatplasticsareappreciatedandenjoyedforwhattheyare;thattheymakemodernlifericher,morecomfortableandconvenient,andalsomorefun.Plasticsarewarmmaterials,sympathetictothehumantouch,andtheirtransformationintothingsthatcomeintocontactwithhumanbeingsisentirelyappropriate.Thefactthatthereareplasticantiquescomesasashocktomostpeople.Howcanamaterialthatseemssoessentiallytwentiethcentury,andonethatissomuchassociatedwithchea