TOEFL全真试题文档格式.docx
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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
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