大学英语四级考试备考资料《阅读理解》考前强化训练第2130篇及答案.docx

大学英语四级考试备考资料《阅读理解》考前强化训练第2130篇及答案.docx

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大学英语四级考试备考资料《阅读理解》考前强化训练第2130篇及答案

2014年12月大学英语四级考试备考资料

《阅读理解》考前强化训练及答案

（第21-30篇）

第二十一篇

IntheUnitedStates,itisnotcustomarytotelephonesomenoneveryearlyinthemorning.Ifyoutelephonehimearlyintheday,whileheisshavingorhavingbreakfast,thetimeofthecallshowsthatthematterisveryimportantandrequiresimmediateattention.Thesamemeaningisattachedtotelephonecallsmadeafter11:

00p.m..Ifsomeonereceivesacallduringsleepinghours,heassumesit'samatteroflifeordeath.Thetimechosenforthecallcommunicatesitsimportance.

Insociallife,timeplaysaveryimportantpart.IntheU.S.A.gueststendtofeeltheyarenothighlyregardediftheinvitationtoadinnerpartyisextendedonlythreeorfourdaysbeforethepartydate.Butitisnottrueinallcountries.Inotherareasoftheworld,itmaybeconsideredfoolishtomakeanappointmenttoofarinadvancebecauseplanswhicharemadeforadatemorethanaweekawaytendtobeforgotten.Themeaningofthimediffersindifferentpartsoftheworld.Thus,misunderstandingsarisebetweenpeopelfromculturesthattreattimedifferently.PromptnessisvaluedhighlyinAmericanlife,foredample.Ifpeoplearenotprompt,theymayberegardedasimpoliteornotfullyresponsible.IntheU.S.nonoewouldthinkofkeepingabusinessassociatewaitingforanhour,itwouldbetooimpolite.Apersonwhois5minuteslate,hewillsayafewwordsofexplanation,thoughperhapshewillnotcompletethesentence.

1."Thesamemeaningisattachedtotelephonecallsmadeafter11:

00p.m.."Here"attached"means______

a.taken

b.drawn

c.given

d.shown

2.Supposingonewantstomakeatelephonecallatdawn,thiswouldmean________.

a.thematterisimportant

b.thematterissomewhatimportant

c.thematterrequiresimmediateattention

d.itisamatteroflifeanddeath

3.Accordingtothispassage,timeplaysanimportantrolein_________.

a.everydaylife

b.shoollife

munications

d.privatelife

4.Thebesttitleforthispassageis_________.

a.thevoicesoftime

b.theimportanceoftime

c.theimportanceofanammouncement

d.timeandtidewaitfornoman

5.Accordingtothepassage,theauthorofthearticlemayagreetowhichofthefollowingstatements?

a.ItisappropriatetosendyourinvitationcardsthreeorfourdaysbeforeadinnerpartydateinU.S.A.

b.Itmaybeappropriatetosendyourinvitationtoyourgueststhreeorfourdaysbeforeadinnerpartydateinsomecultures.

c.Itisbestforonetomaketelephonecallsatnightbecauseitcostsmuchless.

d.Ifoneislessthan5minuteslate,hehastomakeashortapology.

答案：

cdcab

第二十二篇

Liberia,theoldestindependentNegrostateinWestAfrica,hasbeenstrugglingforsurvialeversinceitsfoundationin1822.ProgresshasbeenhamperedbyconstanthostilitybetweentheAmericanNegroeswhosefamiliesreturnedthereintheearly19thcentury,andtheWestAfricanswhoseancestorsneverleftthecontinent.Thoughthetwogroupsareofthesamerace,theyaredividedbylanguageandoutlookandregardeachotherwithdeepsuspicioncreatingaconflictwhichwasnotforeseenbyLiberia'sfounders.

Inaddition,neighboringstates,nativetribel,disease,andpovertyhavemadelifedangerousanddifficult.Thegovernmenthastrieddesperately,throughloansandatrickleoftrade,tomakeendsmeet.Anxietyaboutfinancialmatterslessenedsomewhatwhen,in1910,theUnitedStatesacceptedresponsibilityforLiberia'ssruvival.However,notuntilHarveyFirestone,theAmericanrubberking,decidedthattheUnitedStatesmustproduceitsownrubber----withLiberiaasthesiteoftherubberplantations----didliberiahavemuchhopeofpayingitsdebtsandbalancingitsbudget.

Therubberindustry,foundedinthe1920's,andtheactivitythatfolloweditbroughtbothprogerssandprofittoLiberia.BeforethattimeLiberiahadnoroads,nomechanicaltransportandnogoodport;itspeoplehadlittleeducationandfewtools.Liberiansfeelthatthecountryisbeingruledbyrubber.Forthisreason,therecentdiscoveryofironoreisimportant.Liberianleadersaretryingtomoderatethepoweroftheruvverindustryandtoestaglishthecountry'spoliticalandeconomicindependence.

1.Liberiahasbeeninidffcultysinceitsindependencemainlybecause______.

a.theamericannegroesdonotwanttohelpthecountry.

b.therehavebeenconstanthostillityandsuspicionbetweendifferenttribesinthecountry.

c.therehavenbeenconstanthostilityandsuspicionbetweentwogroupsofthesametride.

d.thegovermenthasadopedawrongpolicy

2."Thegovernmenthastrieddesperately,throughloansandatrickleoftrade,tomakeendsmeet."tomakeendsmeet"means_______.

a.thegovermenthastoborrowmoneyfromothers

b.thegovermenthastolendmoneytoothers

c.thegovermentdoesn'thavetoborroworlendmoney

d.thegovermenthaseithertoborrowortolendmoney

3.Thecountry'sfinancebegantoimproveabitin________.

a.1822

b.1910

c.1920

d.1920's

4.TheLiberians'sattitudeontoimproveabitin_______.

a.atotalagreement

b.atotaldisagreement

c.ahostility

d.notatotalagreement

5.Thebesttitleforthispassageis_______.

a.AmericanNegroesinWestAfrica

b.liberia-----apoorcountry

c.liberiaanditsdevelopment

d.liberia----acountrywithrichrubberandiron

答案：

ccbdc

第二十三篇

Theaccuracyofcientificobservationsandcalculationsisalwaysatthemercyofthescientist'stimekeepingmethods.Forthisreason,scientistsareinterestedindevicesthatgivepromiseofmoreprecisetimekeeping.

Intheirsearchforprecision,scientistshaveturnedtoatomicclocksthatdependonvariousvibratingatomsormoleculestosupplytheir"ticking".Thisispossiblebecauseeachkindofatomormoleculehasitsowncharacteristicrateofvibration.Thenitrogenatominammonia,forexample,vibratesor"ticks"24billiontimesasecond.

Onesuchatomicclockissoaccuratethatitwillprobalylosenomorethanasecondin3000years.Itwillbeofgreatimprotanceinfieldssuchasastronomicalisasesiumatomthatvibrates9.2billiontimesasecondwhenheatedtothetemperatureofboilingwater.

AnatomicclockthatoperateswithanammoniamolecuemaybeusedtochecktheaccuracyofpredictionsbasedonEinstein'srelativitytheories,accordingtowhichaclockinmotionandaclockatrestshouldkeeptimedifferently.Placedinanorbitingsatellitemovingataspeedof18000milesanhour,theclockcouldbroadcastitstimereadingstoagroundstation,wheretheywouldbecomparedwiththereadingsonasimilarmodel.Whateverdifferencesdevelopwouldbecheckedagainstthedifferencespredicted.

1.Scientistsexpectthattheatomicclockswillbe______.

a.moreprecise

b.absolutelyaccurate

c.moredurable

d.indestructible

2.Theheartoftheatomichronis_______.

a.acesiumatom

b.anammoniamolecule

c.anitrogenatom

d.ahydrogen

3.Fromtheselection,wemayassumethattemperaturechanges_______.

a.affectonlyammoniamolecules

b.mayaffectthevibrationrateofatoms

c.affectthespeedatwhichatomstravel

d.donotaffectatomsinanyway

4.Identicalatomicclocksmaybeusedtocheck______.

a.theeffectofouterspaceonanatomicclock

b.theactualspeedofanorbitingsatelite

c.theaccuacyofpredictionsbasedontheoriesofrelativity

d.allofEinstein'stheories

5.Impliedbutnotstated:

_______.

a.Precisetimekeepingisessentialinscience

b.ScientistsexpecttodisproveEinstein'srelativitytheories

c.Atomicclockswillbeimportantinspaceflight

d.Therateofvibrationofanatomnevervaries

答案:

aabcc

第二十四篇

Kiteflyingisthesportofsendingupintotheair,bymeansofthewind,alightframecoveredwithpaper,plasticorcloth.Theframecanbeoneofmanydifferentshapesandisattachedtoalongstringheldinthehandorwoundonadrum.Kiteshavealonghistoryofpracticalapplicationandmanydifferenttypesofkitehavebeendebelopedtoservevariouspurposes.

TheancientChineseusedbird-kitestocarryropesacrossriversandvalleys.Thecurrentfoldingkitewhichwilldiveexcitinglyisanimprovedtypeofsuchakite.Withitslongflatbodyandsinglepairofbird-likewings,itlooksjustlikealargebirdintheair.Themodernversionisusuallymadeoftissue-paperratherthanthetraditionalsilk.

Man-liftingkitesweredevelopedinancienttimes,againbytheChinese,forgettinginformationfromwalledcitiesandarmycamps.Infact,asrecentlyasworld2,GermanU-boatsflewkitesfromtheirtowerstoliftpeopleintotheairtowatchtheland.Thesekites,whicharenolongerinexistence,weremadeoflight-weightcloth.TheyweremuchlargerandstrongerthantheChineseones.Theirdesign,however,wassimplythatofthecutterkite.Smallerinsize,thistypeofkiteisstillverypopularasatoyforchildren,beingeasytomakewithadiamond-shapedframe,nowingsandbrown-papercovering.

Box-kitesareanothertypeofkitefoundintoyshopstoday.Thefirstbox-kite,namedforitsbox-likebody,wasdevelopedinthenineteenthcenturytotesttheoriesofflightandthistypeofcotton-coveredkitegreatlyassistedthesuccessofearlyaeroplane.Thesekitesaretheancestorsofaheavierversionofthebox-kite,whichconsistsoftwomainsections,placedsidebyside.Developedforthepeacetimepurposeoffishinginstrongseawind,itistheonlymodernkitedescribedwhichhaspracticalvalue.Along-lastingplasticmaterialhastobeusedforthiskite,whichcarriesfishinglines.

1.TheancientChinesebird-kiteswereusuallymadeoflightframescoveredwith_____.

a.silk

b.paper

c.cloth

d.plastic

2.ThekitesusedbyGermanU-boatsinwouldwar2forthemilitarypurposeweremadeof_____.

a.brownpaper

b.plast