TOEFL全真试题文档格式.docx

TOEFL全真试题文档格式.docx

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anunmistakablelandingstriptoattractthespecificinsecttheorchidhas

chosenasitspollinator.Toluretheirpollinatorsfromafar,orchids

use

appropriatelyintriguingshapes,colors,andscents.Atleast50differentaromaticcompoundshavebeenanalyzedintheorchidfamily,eachblendedto

attractone,oratmostafew,speciesofinsectsorbirds.Someorchidseven

changetheirscentstointerestdifferentinsectsatdifferenttimes.Oncethe

rightinsecthasbeenattracted,someorchidspresentallsortsofone-wayobstaclecoursestomakesureitdoesnotleaveuntilpollenhasbeenaccuratelyplacedorremoved.Bysuchingeniousadaptationstospecificpollinators,orchidshaveavoidedthehazardsoframpantcrossbreedinginthe

wild,assuringthesurvivalofspeciesasdiscreteidentities.Atthesametimetheyhavemadethemselvesirresistibletocollectors.1.Whatdoesthe

passagemainlydiscuss?

（A）Birds（B）Insects（C）Flowers（D）Perfume2The

（B）

orchidisuniquebecauseof（A）thehabitatinwhichitlivesthe

structureofitsblossom（C）thevarietyofproductsthatcanbemadefrom

it（D）thelengthofitslife3Thewordfusedinline2isclosestin

meaningto（A）combined（B）hidden（C）fertilized（D）produced4Howmany

orchidseedsaretypicallypollinatedatonetime?

（A）200（B）2,000（C）

20,000（D）200,0005Whichofthefollowingisakindofpetal?

（A）The

column（B）Thesepal（C）Thestem（D）Thelabellum6

Thelabellum（line7）is

mostcomparableto（A）amicroscope（B）anobstaclecourse（C）anairport

runway（D）aracetrack7Thewordlureinline10isclosestin

meaning

to（A）attract（B）recognize（C）follow（D）help8

Whichofthefollowing

isNOTmentionedasameansbywhichanorchidattractsinsects?

（A）Size（B）

Shape（C）Color（D）Perfume9Thewordtheirinline13

refersto（A）orchids（B）birds（C）insects（D）species10Whichofthefollowing

statementsaboutorchidsscentsdoesthepassagesupport?

（A）Theyare

effectiveonlywhenaninsectisneartheblossom.（B）Harmfulinsectsare

repelledbythem.（C）Theyaredifficulttotellapart.（D）Theymaychangeat

differenttimes.11Thewordplacedinline15isclosestinmeaning

to（A）

estimated（B）measured（C）deposited（D）identified12Theworddiscrete

inline18isclosestinmeaningto（A）complicated（B）separate

（C）

inoffensive（D）functional

TOEFL全真试题2

uniqueinhavingthemosthighlydevelopedofallblossoms,inwhichthe

usualmaleandfemalereproductiveorgansarefusedinasinglestructurecalledthe

column.Thecolumnisdesignedsothatasinglepollinationwillfertilizehundredsofthousands,andinsomecasesmillions,ofseeds,so

microscopicand

thepetalsiscalledthelabellum,orlip.Itisoftendramaticallymarkedas

attractone,oratmostafew,speciesofinsectsorbirds.Someorchids

evenchangetheirscentstointerestdifferentinsectsatdifferenttimes.Oncethe

orchidisuniquebecauseof（A）thehabitatinwhichitlives（B）

the

（A）200（B）

2,000（C）

（A）The

to（A）attract（B）recognize（C）follow（D）help8Whichofthefollowing

Shape

（C）Color

（D）Perfume

9Thewordtheirinline13

refersto

（A）

orchids

（B）birds

（C）insects

（D）species

10

Which

of

thefollowing

TOEFL全真试题3

1.Amicroscopecanrevealvastlydetailthanisvisibletothe

naked

eye.

（A）than（B）thanmore（C）morethan（D）more2.

Narcissusbulbs

atleastthreeinchesapartandcoveredwithaboutfourinchesofwelldrained

soil.（A）shouldbeplanted（B）toplant（C）mustplanting（D）should

plant3.Industrializationhasbeenresponsibleformost

radicalofthe

environmentalchangescausedbyhumans.（A）a（B）the（C）someofwhich（D）

whicharethe4.Inmanyareastheslopeandtopographyofthelandexcessrainfalltorunoffintoanaturaloutlet.（A）neitherpermit

withoutpermitting（C）norpermitting（D）donotpermit5.Colorandlight,

takentogether,theaestheticimpactoftheinteriorofabuilding.

verypowerfullyinfluence（B）veryinfluencepowerfully（C）powerfullyvery

influence（D）influencepowerfullyvery6.thatRachel

Carsons1962

bookSilentSpringwasoneofthechiefsourcesofinspirationforthedevelopmentofnontoxicpesticides.（A）Thereislikely（B）Likelytobe（C）

Itislikely（D）Likely7.Totalcolorblindness,,isthe

resultofa

defectintheretina.（A）arareconditionthat（B）ararecondition

（B）that

ararecondition（D）isararecondition8.noconclusive

evidence

exists,manyexpertsbelievethatthewheelwasinventedonlyonceandthen

Although（D）So9.

Whereverthereisplentyofrainduringthegrowingseason,lifeis

in

variousforms.（A）abundant（B）theabundance（C）an

abundant（D）itabundant

TOEFL全真试题4

StructureandWrittenExpressionTime:

25minutes（includingthereadingofthedirections）Nowsetyourclockfor25minutes.Structure1

Windmotioncanbeobservedinthemesospherebythetrailsofmeteors

passingthroughit.（A）towatch（B）watching（C）watched（D）watch2

ThomasEdisonsfirstpatentedinventionwasadeviceinCongress.（A）votes

countedfor

（B）hadbeencountingvotes（C）forcountingvotes（D）beacountedvote3

ClaraBow,apopularactressinthe1992s,retiredshewasunabletomake

（A）nevertheless（B）in

thetransitionfromsilentfilmstosoundfilms.

spite

of（C）because（D）andfor4Builtin1882,theKinzuaViaductinMckeanCounty,

Pennsylvania,isopenonlytothosevisitorsareabletowalkits

2058-footlength.（A）who（B）towhom（C）whichthey（D）thatwhich5Abridge

mustbestrongenoughtosupportitsownweighttheweightofthe

people

andvehiclesthatuseit.（A）aswell（B）sowell（C）aswellas（D）sowell

as6TheswallowsofCapistranoarefamoustothesamenests

Californiaeachspring.（A）toreturned（B）whoreturned（C）they

returned（D）

forreturning7Inthefourteenthcentury,thatglasscoatedwith

silver

nitratewouldturnyellowwhenfiredinanoven.（A）thediscovery（B）

itwas

discovered（C）withthediscovery（D）ifitwasdiscovered8

recurringfearisoutofproportiontoanyrealdanger,itiscalledaphobia.（A）

When

（B）Whereas（C）Which（D）Whether9Manymodemphotographers

attemptto

manipulateelementsofphotographyotherintheirphotographs.

（A）than

lightis（B）thanlight（C）beinglight（D）light10Foranyadhesiveto

makea

reallystrongbondtobegluedmustbeabsolutelyorgrease.（A）

and

surfaces（B）whensurfaces（C）thesurfaces（D）surfacesthat11Althoughstill

underwater,LoihiSeamount,thenewestHawaiianisland,closer