TOEIC備考語法精煉870題(附答案)

1.Theodewasoriginalaceremonialpoemwrittentocelebratepublicoccasionsorexaltedsubjects.ABCD2.KnowledgeoftherateatwhichashipistravelingthroughthewaterisimportantifthenavigatorABCneedtoestimatethetimeofarrival.D3.Theearthistheonlyplanetwithalargenumberofoxygeninitsatmosphere.ABCD4.RobertFrostwasnotwellknownasapoetuntilhereachedtheforties.ABCDcfTheamountsofoxygenandnitrogenintheairalmostalwaysremainstable,buttheamountofwaterABCvaporvaryconsiderably.D5.Multicoloredwoodcutsmustbeprintedwithasmanyblocksas_______colorsinthecomposition.(Athereare(Bmany(Csomeof(Ditis6.ApainterwholivedmostofhislifeintheMiddleWest,GrantwoodhascalledAmerica's"PainterofABCDtheSoil."7.Whileancienttimespeoplesimplypaintedinanimateobjects,duringtheRenaissancethepaintingofABC"stilllife"developedasanacceptedartform.D8.TheAmericanfrontiersman,politician,andsoldierDavycrockettisoneofthemostpopularofABCAmericanhero.D9.Threemonthsaftertheyhavebeenlaid,crocodileeggsarereadyhatched.ABCD10.Peasrequirerichsoil,constantmoistures,andacoolgrowingseasontodevelopwell.ABCD11.Adolphinlocatesunderwaterobjectsinitspathbydoingaseriesofclickingandwhistlingsounds.ABCD12.Thegreateranobjects'smass,themoredifficultitis____________.(A(Atospeedituporslowitdown(Bitspeedsuporslowsdown(Cthanspeedingituporslowingitdown(Dthanspeedinguporslowingdown13.Adesertareathathasbeenwithoutwaterforsixyearswillstillbloomwhenrainwillcome.ABCD14.Oneoftheessentialfeaturesofthemodernskyscraperisbeingtheelevator.ABCD15.Arabbitmovesaboutbyhoppingonitshindlegs,whicharemuchlongerandmorestrongthanitsABCDfrontlegs.16.Thesnowyegretisaboutthesizeoflargecrow.ABCD17.Thegrapeisthe___________,juicyfruitofawoodyvine.(Askin(Bwhichissmooth(Csmoothskin(Dsmooth-skinned18.Inthesecondhalfofthenineteenthcentury,textilesfromthesouthwesternUnitedstate,particularlyfabricswovenbytheNavajopeople,_____________________.(Abegantobeusedasrugs(Brugsbegantobeused(Casrugsbegantobeused(Dbegantousedthemasrugs19.Duringadolescencemanyyoungpeoplebegintoquestionheldbytheirfamilies.(Athevalues(Bofthevalues(Cthevaluesare(Darethevalues20.DuringtheMiddleAges,handwritingnoticeskeptgroupsofnoblesinformedofimportantevents.ABCD21.Inherwriting,ElimorWylieoftendealtwithherownpersonalityasitwas,ratherthan_________.(Aaswasdefinesbyothers(Bitsdefinitionsbyothers(Cother'sdefinition(Dasothersdefinedit22.CongresscharteredthefirstBankoftheUnitedStatesin1791toengageingeneralcommercialbankingand__________asafiscalagentofthefederalgovernment.(Atoact(Bacting(Cthathasacted(Dhavingacted23.Essentially,atheoryisanabstract,symbolicrepresentationof_____________reality.(Awhatisconceived(Bwhatitisconceived(Cwhatisconceivedtobe(Dwhatisbeingconceived16.(D17.(D18.(A19.(A20.(B21.(D22.(A23.(C24.TenantfarmersarethosetheyeitherrentafarmandworkitforthemselvesorworkthefarmfortheABCownerandreceivepayment.D25.SlightlyoverhalfofthepopulationofElPaso,Texas,saysbothEnglishandspanish.ABCD26.HickoriesaremediumtolargetreescommonineasternandthecentralareasofNorthAmerica.ABCD27.Approximatelyone-thirdofallpersonsinvolvedinadulteducationprogramsin1970wereenrolledinABCoccupationaleducationcourse.D28.Naturaladhesivesareprimarilyofanimalsorvegetableorigin.ABCD29.Asaglaciermelts,rocks,boulders,trees,andtonsofdirtdeposit.ABCD30.TheSuwanneeRiverhasbeenneverimportantfortransportandnosignificanthydropowerpotential.ABCD31.Americanmanufacturersdependonoceanshippingformostoftradewithothercountries.ABCD32.Therootofthechicoryplantisoftengroundupandaddedtocoffeetoeliminationitsbitterness.ABCD33.SomenematodesareverytinythatitIsnecessarytoviewthemthroughamicroscope.ABCD34.ItisestimatedthatascientificprinciplehasalifeexpectancyofapproximatelyadecadebeforeitABCdrasticallyrevisedorreplacedbynewerinformation.D35.Themorearidthecontinent,thelesstheamountofannualprecipitation_______________.(Arunsoffthat(Brunsitoff(Cthatrunsitoff(Dthatrunsoff36.Hereallydeservedtheawardbecauseheperformed_______________wasexpectedofhim.(Amuchbetterfrom(Bmorebetterthan(Cmuchbetteras(Dmuchbetterthan37.Hewasstoppedeachdozenyardsbyfriendswhowantedtocongratulatehim.ABCD38.Aswehavefinishedthefirstlesson,nowwewillreadthesecondone.ABCD39.Totakeprideinwhatdeservesboastingisonething,andtotakegoodcareofitisquite_________.(Aothers(Bthing(Canother(Dtheother40.Thedoctor'srecordsmustbekeptthoroughandneatly,soastoinsuregoodbook-keeping.ABCD41.Whyisamanincivillifeperpetuallyslanderingandbackbitinghisfellowmen,andisunabletoseeABCgoodeveninhisfriends?D42."Doyouthinkthatthelaborbillwillbepassed?""Oh,yes.It's_________thatitwill."(Aalmostsurely(Bverylikely(Cnearpositive(Dquitecertainly43.Likeasynonymofspeech,whichisthegeneralterm,addressimpliessomedegreeofformality.ABCD44.Rabbitsandhareslookmuchlikeandareoftenmistakenforeachother.ABCD45.Aseveryothernation,theUnitedStatesusedtodefineitsunitofcurrency,thedollars,intermsofABCDthegoldstandard.46.Theprimeminister'sconvictionforimpropercampaignpracticesislikelytoresultinincreasingABCpressurethatsheresigns.D47.WhenthebouldersaremadeofrockthatisdifferentfromthebedrockwhichtheyorthesoiloftheABCfieldrests,theyarecallederratics.D48.Itwouldbedifficultforamanofhispoliticalaffiliation,_______,tobecomeasenatorfromthesouth.(Athoughcharmingandcapableishe(Bevenwithcharmandsocapable(Ccharmingandhavingcapability(Dhowevercharmingandcapabl49.Penicillinisperhapsthedrug________morelivesthananyotherinthehistoryofmedicine.(Awhathassaved(Bwhichsaved(Cwhichhassaved(Dwhosaves50.Afterhistripstothewestbetween1860and1872,RalphAlberBakelockwouldoftenpaintedABCAmericanIndianencampmentsonbrown-and-yellow-tonedcanvases.D51.ThecityofBostonwassettledin1630onahilly,woodedpeninsulawherethecharlesRiverflowsABCintoanaturalharbors.D52.ArtistHelenFrankenthalerreturnedhomefromcollegeon1949tohernativeNewYork,thecityABproducingthemostartrevolutionaryoftheday.CD53.ContraltoMarianAndersonbecameamemberpermanentoftheMetropolitanOperaCompanyin1995.ABCD54.Thefactthathalfoftheknownspeciesisthoughttoinhabittheworld'srainforestsdoesnotseemABsurprising,consideringthehugenumbersofinsectsthatcomprisethebulkofthespecies.CD55.Apoliticiancanmakealegislativeproposalmore_______bygivingspecificexamplesofwhatitseffectwillbe.(Atounderstand(Bunderstandably(Cunderstandable(Dwhenunderstood56.BeforeeverypresidentialelectionintheUnitedStates,thestatisticianstrytoguesstheproportionofthepopulationthat_________foreachcandidate.(Aarevoted(Bvoting(Ctobevoted(Dwillvote57.Thedecimalnumeralsystemisoneofthe______waysofexpressingnumbers.(Ausefulmostworld's(Bworld'smostuseful(Cusefulworld'smost(Dmostworld'suseful58.Nebraskahasfloodsinsomeyears,___________.(Ainothersdroughts(Bdroughtsareothers(Cwhileotherdroughts(Dothersindrought59.Manyoftherecordinginstrumentsusedinvarybranchesofsciencearekymographs.ABCD60.IntheUnitedStatesamong60percentofthespaceonthepagesofnewspapersisreservedforABCadvertising.D61.Thespontaneityofchildren'sartworksetsitapartfromtheregulateduniformingofmuchofwhatABCotherwisegoonintraditionalextraordinaryclassrooms.D62.FossilsofplantthathavebeenextinctforfiftymillionyearshavebeenfoundinlargedepositsofABCamberneartheBalticSea.D63.TheluxurianthardwoodtimberlandofthesouthernAppalachianMountainsisclassedasatemperateABCrainforests.D64.BoneandivoryneedlesfoundatarchaeologicalsitesindicatethatclotheshavebeensewnforsomeABC17,000yearsago.D65.Thesunseemstohavebeenformedwhentheuniversewasalready10billionyears.ABCD66.ThesatellitesarefrequentlyeclipsedbyJupiterandmaybeseentotransitJupiterasdarkshadowsABCorpassingbehindtheplanet.D67.ThoughArtistTatunwastotallyblindinoneeyeandhadonlyslightvisioninanother,hebecameanABCDinternationallyrenownedjazzmusician.68.NotsinceGeraldReedhasachiefexecutiveservedtwofulltermsorleaveWashingtonwithcheersABCringinginhisears.D69.EventhemostdiscriminatinggourmetwillagreethatfoodinthesouthisasgoodasanyotherABCDregioninthecountry.70.Inherwriting,ElinorWylie,oftendealtwithherownresponsibilityasitwas,raterthan_______.(Aasothersdefinedit(Bother'sdefinitions(Citsdefinitionbyothers(Ditwasdefinedbyothers71.Somescientistspredictthat,despitegreatermaterialoutput,thepeopleintheyear2,000willbeABCpoorerinmanywaysthanitistoday.D72.VenusapproachestheEarthmorecloselythananyotherplanetis.ABCD73._______________leftbeforethedeadline,itdoesn'tseemlikelythatJohnwillaccomplishthejob.(AAlthoughsuchashorttime(BItissuchashort(CWithsoshorttime(DWithsuchashorttime74.Withthestartforthepennypapersinthe1830's,thenumberofpeople_________anewspaperroseconsiderably.(Aregularlyreading(Bwerereadingregularly(Cregularlyreadingwhat(Dwhoreadingregularly75.Tempera,atypeofpaint,ispreparedfromamixtureofwater,eggyolk,andonebutmoretintedABCDpowders.76.Overfortyyearsago,HelenHall'soutstandingcontributionsasasettlementorganizercatchtheABattentionofpresidentFranklinRoosevelt,whoappointedhertohisadvisorycommitteeoneconomicCDsecurity.77.PartofthesunlightthatstrikestheEarthisreflectedintothesky,andarestisabsorbedbytheABCground.D78.Atpresentproductionlevels,_________depositsofbauxitecanprovidetheworldwithaluminumforhundredsofyears.(Aknown(Bknownare(Ctheyareknown(Dwhatisknown79.ItseemedasifIhadn'tscarcelydoneanythingworthwhilewithmytime,forIfailedthreecourses.ABCD80.Theofficemanagerinsiststhathisstaffuseallofitsvacationtime,buthehardlynevertakesaABCDvacationhimself.81.Lifeinsurance,beforeavailableonlytoyoung,healthypersons,cannowbeobtainedforoldpeopleABCandevenforpets.D82.Moonquakesoriginatingatdeepofsome800kilometersindicatetheMoonhasconsiderablerigidityABCDandisnotmoltenatsuchlevels.83.BiologistsandanthropologistspossessesawealthofevidencetoindicatethathumanbeingsaroseABfromlowerformsoflifeoveratimelongperiod.CD84.Ladybugsaredesirousinthegardenbecausemostkindseataphidsandotherharmfulinsects.ABCD85.Ithasbeenestimatedthatonly21percentoftheworld'slandsurfacearecultivatableandthatonlyABCD7.6percentisactuallyundercultivation.86.Tobecomeaskilledphotograph,apersonshouldhavebothmanualdexterityandagoodeyefordetail.ABCD87.Forcenturies,musichaveplayedacousticalguitars,whichproducesoundfromthevibrationoftheABCDstrings.88.LangstonHughesalwaysseemedtoknowexactlywhohewas,andthoseknowledgeshelpedmakeABhimoneofthemostrespectedwritersintheUnitedStates.CD89.Bankingisancientorigin,thoughlittle3knownaboutitshistorypriortothethirteenthcentury.ABCD90.Auboneshaveanexteriorlayer,termedthecortex,thatissmooth,dense,continuous,and___________.(Aofvaryingthickness(Bvariedthickness(Citsthicknessvaries(Ditsthicknessvarying91.TheholographwasaninstrumentemployedtosendsignalsbyreflectingsunlightamirrororABCDmirrors.92.Inretrospect,sadness,ratheranger,seemstobetheoverridingemotioninLangstonHughes'spoetry.ABCD93.Obsidian,anuncommonvolcanicrock,polishesgoodandmakesanattractivesemipreciousstone.ABCD94.BusinesscycleshavebeenplacedthescrutinyofstatisticianssothatrecurringpatternsnotapparentABCatfirstsightmightbedisclosed.D95.ForalongtimecottonrankedfirstbetweenAlabama'scrops,buttodayitaccountsforonlyaABCfractionoftheagriculturalproduction.D96.Theearlieststeam-drivenvehiclesproducedgreatamountofnoise.ABCD97.Thedoublebull'seyeincenterofadartboardisworthfiftypoints.ABCD98.Seaweednurturesnumerouscommunitiesoflivingthings,whichareprotectedunderthewetABCcoveringsoftheweedswhilethetideout.D99.Thewankleengine,sometimesreferredasarotaryengine,deliversmorepowerforitssizethanaABCDconventionalpistonengine.100.Farmanimalshavebeenregardlessbynearlyallsocietiesasavaluableeconomicresource.ABCD101.Bauxiteoresdifferconsiderablyphysicalappearance,accordingtotheirimpuritiesandstructuralABCDcompositions.102.HelenVendler'sessayspresentkeyinsightintoandvitalanalysestheworksofmajorbritishandABCDAmericanauthors.103.Thewaterwheelisamechanismdesignedtoharnessenergyfromasourceinsteadthananimals.ABCD104.NootherbeveragecomesevenclosetorivalingcoffeeasthemorewidelydrunkrefreshmentintheABCworld.D105.Mosquitosusuallylayeggsontopstagnantwater.ABCD106.LanguonHughes'sTheBookofNegroLooksoreisatoomuchvaluableintroductiontoanintegralABpartoffolkliteratureoftheUnitedStates.CD107.Sevenofplanetsrotateinthesamedirectionastheirorbitalmotions,whileVenusandUranusrotateABCintheoppositedirection.D108.TheMillicentRogersMuseumhousesfivethousandpiecesofHispanicandAmericanIndianjewelry,Atextiles,andotherobjectsdocumentthevibrancyofthesecultures.BCD109.From1866to1833,thebisonpopulationinNorthAmericawasreducedfromanestimated13millionABCtoafewhundreds.D110.TheObieAwardshavebeengivenannuallyfor1956tooutstandingartistsinoff-Broadwaytheater.ABCD111.AlongtheEastCoast,AmericanIndianwomen'scouncilscouldvetoadeclarationofwaratrefusalABCDtosupplymoccasinsandfieldrations.112.CarrieChapmanCattorganizedtheLeagueofwomenvotersaftersuccessfullycampaignfortheABCconstitutionalamendmentthatgavewomentherighttovote.D113.AnygroupthatconductingitsmeetingsusingparliamentaryruleswillencountersituationswhereABCprescribedprocedurescannotbeapplied.D114.CoincidingwiththedevelopmentofjazzinNewOrleansinthe1920's______inbluesmusic.(Awasoneofthegreatestperiods(Boneofthegreatestperiods(Cwasofthegreatestperiods(Dthegreatestperiods115.Despiteitswiderangeofstylesandinstrumentation,countrymusichascertaincommonfeatures_______itsownspecialcharacter.(Agiveitthat(Bthatgiveit(Cgivethat(Dthatgivesitto116._______aroundstonesthataresunwarmed,eventhesmallestofstonescreatestinycurrentsofwarmair.(AThecoolair(BIftheairiscool(CThattheaircools(DThecoolertheair117.Evenashewrotecopiouslyonsuchdiversetopicaseducation,politics,andreligion,LewisMumfordABremainedactiveincityandregionalplanning.CD118.ForcenturiesthearomaticspicesoftheFarEasthasbeenindemandbythepeopleoftheEastandABCDWest.119.Ninestateattorneygeneralshavebeenmeetinglately,apparentlytoprepareatobacco-company-styleABCDhumdingercourtcaseagainstsofties.120.Whenseeingnearthehorizon,themoonappearsstrikinglylargerthanwhenviewedoverhead.ABCD121.Thefiremenwereunabletodetermineexactlywhatcausedthefire,whentheysaidthattheywouldABCDcontinuetheinvestigation.122.Becauseofitsstrongrecordduringearlierrecessions,themutualfundhasandwillcontinuetobeABCattractivetosmallinvestors.D123.Bothchina,Russia,andtheunitedstatesareawareoftheroletheyplayinworldaffairs.ABCD124.NeitherRussianortheUnitedStateshavebeenabletodiscoveramutuallysatisfactoryplanforABCDgradualdisarmament.125."WheneverIhavetowriteapaper,Idon'tknowwheretobegin.""Ihavethesameproblem,but_______thepaperseemstowriteitself."(Astarting(Bhavingstarted(ConceIstart(Daftertostart126.Anechoisasoundheardsubsequentlyitisreflectedfromanobject.ABCD127.Whilethetworeappearedafterbeingabsentforoveramonth,everyoneintheexpeditionwasABCsurprisedtofindthemsolittlechanged.D128.Wehadbeeninthecitynotmorethantwodaysuntilwefoundthatweneededaguide.ABCD129.Ameasuringwormcanholditselfstraightoutfromabranchsothatlookslikeasmalltwig.ABCD130.ScholarsofhistoricalchangefeelthatthevelocityofhistoryhasbeenfastlyacceleratedbytheABConwardrushofscienceandtechnologyduringthetwentiethcentury.D131.Anarcoticisasubstancethatishavingastrongdepressanteffectonthehumannervoussystem.ABCD132.Aftersearchingforevidenceinthehouse,thepoliceconcludedthatthethiefmusthavecomeinABCthroughthewindowandstolethesilverwhilethefamilywassleep.D133.Tobecomeamemberofthecivicassociation,oneneedonlyattendthreemeetingsandtopayhisABCfeesregularly.D134.Whenourneighbor'sgrandsoncaughthisfingerinthecardoor,hedidnotcryeventhoughitmustABhavehurtedhimagreatdeal.CD135.Allalligatorisananimalsomewhatlikeacrocodile,butwithabroad,flattensnout.ABCD136.Likeotheranimals,thetinykangaroorathastheabilitytomanufacturewaterinhisbodybyABmetabolicconversionofcarbohydrates.CD137.Notuntiltenyearsagowastheremuchneedforpersonalcomputer.ABCD138.Seaturtlescanspendtheirlifetimeinseawithoutevertouchingland.ABCD139.Akangaroomovesaroundbyleapingonitsrearlegs,whichismuchbiggerandstrongerthanitsABCDfrontlegs.140.Inordertopreventdiseaseonaworldwidebase,nationsmustworktogether.ABCD141.ThePetrifiedForestNationalParkofArizonaisoneofthemostuniqueparksintheUnitedStates.ABCD142.Foundinallpartsofthestate,pinesarethemostordinarytreesinGeorgia.ABCD143.Predatorsandparasitesshareafundamentalcharacteristic:theybothsurviveathepriceofothers.ABCD144.ThisInformation_______________________toagreatmanypeople.(Awasprovedtobeuseful(Bhasprovedituseful(Chasbeenprovedtobeuseful(Dhasproveduseful145.Psychiatristsareridiculedfor________________,butnewresearchongenesandthebrainsuggeststheymightberight.(Aamentalillnesscallingeveryquirk(Bacallingformentalillnesseverquirk(Ccallingmentalillnessanevery146.Inthe1940'sand1950's,biochemistsstrivedtolearnwhateachofthevitaminswasessentialforhealth.147.BiochemistsdiscoveredthatkeyenzymesinmetabolismdependononeoranotherofthevitaminsasABCDcoenzymestoperformthechemistrythatprovidescellsenergyforgrowthandfunction.EF148.Thesegenehunters,orgeneticengineers,userecombinantDNAtechnologytoidentifyandcloneAgenesandintroduceitintobacterialcellsandplantstocreatefactoriesforthemassiveproductionofBChormonesandvaccinesformedicineandforbettercropsforagriculture.D149.TherailwaynetworkexpandedrapidlyuntiltherailroadmapoftheUnitedStateslookedlikeaABspider'sweb,withthesteelfilamentsconnectallimportantsourcesofrawmaterials,theirplacesofCmanufacture,andtheircentersofcontribution.D150.Therailroadcontributedtotheindustrialgrowthnotonlybyconnectingthesemajorcenters,butalsobythemselvesconsumeenormousamountsoffuel,iron,andcoal.ABCD151.Theincreasedurbanpopulationwasnourishedbytheincreasedfarmproductionthat,inturn,wasABmademoreproductivebytheuseofthenewfarmmachine.CD152.EuropenowbegantosendtidesofimmigrantsfromeasternandsouthernEurope-mostofthemABwereoriginallypoorfarmersbutwhosettledinAmericanindustrialcities.CD153.Oftenwhentheweatherisextremelyhot,peoplehaveverythirstybutarenotterriblyhungry.ABCD154.Pioneersontheplainssometimeslivingindugouts,sodroomscutintohillsides.ABCD155.In1786BenjaminFranklinfirstsuggesteddaylightsavingstimeasameansofcuttingdownontheABCconsumesofcandlesD156.Anextremelydangerousformsofcocaine,crackattacksthenervoussystem,brain,andbodyinaABCsharperfashionthancocaine.D157.OnFebruary20,1962,FriendshipThasorbitedtheEarthinamannedflightthatlastjustunderfiveABCDhours.158.Whilehisrackingdays,racehorseJohnHenryearnedarecord$6.5million,$2.3millionmorethanABhisclosestcompetitor.CD159.Cartilagecoverstheendsofboneshelpstoprotectthejointsfromwearandtear.ABCD160.TheAlaskanmalamute,usedextensivelytopullsleds,iscloselyreactedtothewolves.ABCD161.ManyofthecharactersportrayedbywriterJoyceCarolOatsismentallyill.ABCD162.Thenewsystemrespondsatsecondstoanyemergency.ABCD163.TheGATTisaninternationalagreementdesigningtoincreasetradeamongmembernations.ABCD164.TheclosertooneoftheEarth'spoles,thegreater_______gravitationalforce.(Ais(Bthe(Chas(Dithas165.Theflamingousesitsbill_________feedingtofiltermudandwaterfromthetinyplantsandanimalsthatitfindsinshallowponds.(Awhen(Bis(Cthatitis(Dwas166.Theamountoflapsedtimebetweenthethunderandlighteningcanbeusedtodetermine__________.(Ahowthethunderandlighteningarefaraway(Bhowfarawaythethunderandlighteningare(Chowfarawayarethethunderandlightening(Dthethunderandlighteningarehowfaraway167.TheUnitedStatescelebratethebirthofitsindependenceeveryFourthofJuly.ABCD168.Laminatedsafetyglassisproducedwithcombiningalternatelayersofflatglassandplastic.ABCD169.Inonetypeoflaminating,alternatelayersofwoodareplacedwiththeirgrainsrunningatnightABCanglestoeachothers.D170.Ingeneral,prawnsliveshallowcoastalwatersorinstreams.ABCD171.Thezenithprovidesameansformakingvariouscalculatesinastronomy.ABCD172.Theapplicationofelectroniccontrolsmade_________bythemicroprocessorandcomputerstoragehavemultipliedtheusesofthemoderntypewriter.(Aitpossible(Bpossible(Citispossible(Dpossibility173.Afterthegreatblizzardof1988inthenortheasternUnitedStates,ittooksome_________thesnowawayfromtheirhomes.(Adaystoshovelpeopleseveral(Bpeopleseveraldaystoshovel(Cseveraldayspeopletoshovel(Dpeopletoshovelseveraldays174.Amergerisacombinationoftwoormorebusinessesdownbelowasinglemanagement.ABCD175.Batsrelyontheirhearingstonavigateandtofindfoodatnight.ABCD176.Oururgetoclassifydifferentlifeformsandgiveusnamesseemstobeasoldasthehumanrace.ABCD177.Manyofthetreesnativetothestateofmaineyieldusefulwoods,anumberofwhichareoftallABCDmarketvalue.178.Sugarcane,anativeofBengal,becamethechiefproduceofWestIndies.ABCD153.B154.C155.D156.A157.A158.A159.A160.D161.C162.C163.B164.B165.A166.B167.D168.D169.D170.B171.C172.B173.B174.C175.B176.B177.?178.?179.MountSt.Helens,avolcanoinWashingtonStateintheUnitedStates,eruptedinMary18,1980.ABCD180.DespiteofitsisolationintheSundaStraitbetweenJavaandSumatra,over36,000peoplediedABCinthetidalwavesfollowingtheexplosionofKrakato.D181.ManyofthesatellitesofspacecarrytelescopesandotherinstrumentsusedinastronomytoABClookatthestars.D182.Wood,thehardenedmaterialfromwhichtreesarecomposed,ismadeupofmillionsoftinyABCtubesoffiberspackedtogether.D183.AnimalsthatliveinareasthatarecoveredinshowinwinterchangethecoloroftheircoatABCaccordingtheseasons.D184.Thedodo,agiantbirdnowextinct,livedontheislandofMauritius,inIndianOcean.ABCD185.PelicanIslandinFloridaandOregonIslandsinOregonarewildliferefuges.ABCD186.Themostcoralislandsdevelopfromreefsthatgrowuparoundvolcanicrefuges.ABCD187.WhentheislandofSurtseywaseighteenmonthsoldafirstleafygreenplantappeared.ABCD179.(D180.(A181.(B182.(B183.(D184.(D185.(D186.(A187.(?188.ThenewislandofSurtseyisitsidealnaturallaboratoryforscientists.ABCD189.Coralreefsarelimestoneformationscomposedoftinyseaorganismsandtheremains.ABCD190.Themostoftheenergyusedinourhomesandfactoriesisgeneratedfromcoal,oil,andnaturalgasABCD191.ZacharyTaylorwasfirstpresidenttobeelectedfromaStatewestoftheMississippiRiver.ABCD192."Oldfaitful"intheYollowstoneNationalParkisprobablytheworld'smostfamousgeyser.ABCD193.Theworld'sfastestanimalischeetah,butifbirdareincluded,thefastestofallanimalsisABCthespine-tailedswift.D194.SoybeanswerefirstgrownintheOrientandbroughttotheWesternworldduringtheWorldWarABCDTwo.195.ItisamazingwhatdiscoveredFaradayinthefieldofsciencewithouttheuseofmathematics.ABCD188.(C189.(D190.(A191.(A192.(B193.(B194.(D195.(A196.TheproductionoftinoreintheUnitedStatesisrelativelyinsignificant,heamountc.amounttoitd.totheamountof197.Earlierorlater,alllakesareinfluencedbyeutrophication,aprocessinwhichlakesedimentlowersABthedepthofthewateranddrainsoxygenfromit.CD198.JekyllislandhasbeenoneofGeorgia'sStateparksin1954.ABCD199.Bellsarefrequentlymadefrombronze,analloyofapproximatelythreepartcopperandoneparttin.ABCD200.Alogarithmisalgebraasanexponent.a.knownwhatb.knownwhatitisc.whatisknownd.whatitisknown201.NegotiableinstrumentssuchaspersonalchecksmayordinarilybetransferredtoanotherpeopleABCbyendorsement.D202.Scientistsandeconomistsbelievethathumanbeingscan