Ⅰ.x+1
Ⅱ.
Ⅲ.
（A）Ⅰonly
（B）ⅠandⅡonly
（C）ⅠandⅢonly
（D）ⅡandⅢonly
（E）Ⅰ,ⅡandⅢ
20.When9studentstookazoologyquizwithapossiblescoreof0to10,inclusive,thereaverage（arithmeticmean）scorewas7.5.Ifatenthstudenttakesthesamequiz,whatwillbetheleastpossibleaveragescoreonthequizforall10students?
（A）6.5
（B）6.75
（C）7.0
（D）7.25
（E）7.5
Questions21-25refertothefollowinggraph.
21.Thetwocorporatesectorsthatincreasedtheirsupportfortheartsfrom1988to1991madeatotalcontributionin1991ofapproximatelyhowmanymilliondollars?
（A）112
（B）125
（C）200
（D）250
（E）315
22.Howmanyofthesixcorporatesectorslistedeachcontributedmorethan$60milliontotheartsinboth1988and1991?
（A）One
（B）Two
（C）three
（D）Four
（E）Five
23.Approximatelyhowmanymilliondollarsmoredidthewholesalesectorcontributetotheartsin1988thanin1991?
（A）10.4
（B）12.6
（C）14.0
（D）16.5
（E）19.2
24.From1988to1991,whichcorporatesectordecreaseditssupportfortheartsbythegreatestdollaramount?
（A）Services
（B）Manufacturing
（C）Retail
（D）Wholesale
（E）Other
25.Oftheretailsector’s1991contributiontothearts,
wenttosymphonyorchestrasand
oftheremainderwenttopublictelevision.Approximatelyhowmanymilliondollarsmoredidtoretailsectorcontributetopublictelevisionthatyearthantosymphonyorchestras?
（A）5.2
（B）6.3
（C）10.4
（D）13.0
（E）19.5
26.Ifx=a5andy=a6,a0,whichofthefollowingisequivalenttoa13?
（A）xy
（B）x2y
（C）
（D）
（E）
27.Theprobabilitiesthateachoftwoindependentexperimentswillhaveasuccessfuloutcomeare
and
respectively.Whatistheprobabilitythatbothexperimentswillhavesuccessfuloutcomes?
（A）
（B）
（C）
（D）
（E）
28.Ifxis1,2,or3andyiseither2or4,thentheproductxycanhavehowmanydifferentpossiblevalues?
（A）Three
（B）Four
（C）Five
（E）Six
（E）Seven
29.Iftheradiusofacircularregionweredecreasedby20percent,theareaofthecircularregionwoulddecreasebywhatpercent?
（A）16%
（B）20%
（C）36%
（D）40%
（E）44%
30.WorkersatCompaniesXandYarepaidthesamebasehourlyrate.WorkersatcompanyXarepaid1.5timesthebasehourlyrateforeachhourworkedperweekinexcessofthefirst37,whileworkersatCompanyYarepaid1.5timesthebasehourlyrateforeachhourworkedperweekinexcessofthefirst40.Inagivenweek,howmanyhoursmustaCompanyXworkerworkinordertoreceivethesamepayasacompanyYworkerwhoworks46hours?
（A）46
（B）45
（C）44
（D）43
（E）42
SECTION2
Time-30Minutes
38Questions
1.Asbusinessesbecomeawarethattheiradvertisingmust------theeverydayconcernsofconsumers,theircommercialswillbecharacterizedbyagreaterdegreeof------.
（A）allay...pessimism
（B）address...realism
（C）evade....verisimilitude
（D）engage…fancy
（E）change...sincerity
2.Becausethelawyer'smethodswerefoundto
be------,thedisciplinarycommittee-------his
privileges.
（A）unimpeachable...suspended
（B）ingenious...withdrew
（C）questionable...expanded
（D）unscrupulous...revoked
（E）reprehensible...augmented
3.Peopleofintelligenceandachievementcannone-
thelessbeso------andlackingin------thatthey
gambletheirreputationsbybreakingthelawto
furthertheirownends.
（A）devious...propensity
（B）culpable...prosperity
（C）obsequious...deference
（D）truculent...independence
（E）greedy...integrity
4.Anumberofscientistshavepublishedarticles
-------globalwarming,stating-------thatthere
isnosolidscientificevidencetosupportthe
theorythattheEarthiswarmingbecauseof
increasesingreenhousegases.
（A）debunking...categorically
（B）rejecting...paradoxically
（C）deploring...optimistically
（D）dismissing...hesitantly
（E）proving...candidly
5.Thesenator'sattempttoconvincethepublicthat
sheisnotinterestedinrunningforasecondterm
isas--------asheropponent'sattempttodisguise
hisintentiontorunagainsther.
（A）biased
（B）unsuccessful
（C）inadvertent
（D）indecisive
（E）remote
6.MacCrory’sconversationwas--------:
shecould
nevertellastory,chieflybecauseshealways
forgotit,andshewasneverguiltyofawitticism,
unlessbyaccident.
（A）scintillating
（B）unambiguous
（C）perspicuous
（D）stultifying
（E）facetious
7.Despiteitsmany--------,thewhole-language
philosophyofteachingreadingcontinuesto
gain--------amongeducators.
（A）detractors...notoriety
（B）adherents...prevalence
（C）critics…currency
（D）enthusiasts...popularity
（E）practitioners…credibility
8.CENSUS:
POPULATION:
:
（A）interrogation:
guilt
（B）survey:
price
（C）interview:
personality
（D）questionnaire:
explanation
（E）inventory:
stock
9.AUTHENTICITY:
FRAUDULENT:
:
（A）morality:
utopian
（B）intensity:
vigorous
（C）sincerity:
hypocritical
（D）particularity:
unique
（E）plausibility:
narrated
10.VARNISH:
GLOSSY:
:
（A）sharpen:
blunt
（B）measure:
deep
（C）sand:
smooth
（D）approximate:
precise
（E）anchor:
unstable
11.AMENITY:
COMFORTABLE
（A）tact:
circumspect
（B）nuisance:
aggravated
（C）honorarium:
grateful
（D）favorite:
envious
（E）lounge:
patient
12.PAIN:
ANALGESIC:
:
（A）energy:
revitalization
（B）interest:
stimulation
（C）symptom:
palliative
（D）despair:
anxiety
（E）reward:
incentive
13.VOICE:
SHOUT:
:
（A）ear:
overhear
（B）eve:
see
（C）hand:
clutch
（D）nerve:
feel
（E）nose:
inhale
14.PONTIFICATE:
SPEAK:
:
（A）strut:
walk
（B）stare:
look
（C）patronize:
frequent
（D）eulogize:
mourn
（E）reciprocate:
give
15.BIBLIOPHILE:
BOOKS:
:
（A）environmentalist:
pollution
（B）zoologist:
animals
（C）gourmet:
food
（D）calligrapher:
handwriting
（E）aviator:
aircraft
16.INDIGENT:
WEALTH:
:
（A）presumptuous:
independence
（B）imperturbable:
determination
（C）inevitable:
inescapability
（D）indigestible:
sustenance
（E）redundant:
indispensability
Thispassageisbasedonanarticlepublishedin1990.
Eighttimeswithinthepatmillionyears,some-
thingintheEarth’sclimaticequationhaschanged.
allowingsnowinthemountainsandthenorthern
Linelatitudestoaccumulatefromoneseasontothenext
（5）insteadofmeltingaway.Eachtime,theenormousice
sheetsresultingfromthiscontinualbuilduplastedtens
ofthousandsofyearsuntiltheendofeachparticular
glacialcyclebroughtawarmerclimate.Scientists
speculatedthattheseglacialcycleswereultimately
（10）drivenbyastronomicalfactors:
slow,cyclicchanges
intheeccentricityoftheEarth’sorbitandinthetilt
andorientationofitsspinaxis.Butupuntilaround
30yearsago,thelackofanindependentrecordofice-
agetimingmadethehypothesisuntestable.
（15）Thenintheearly1950’sEmilianiproducedthe
firstcompleterecordofthewaxingsandwanings
ofpastglaciations.Itcamefromaseeminglyodd
place.theseafloor.Single-cellmarineorganisms
called"foraminifera"housethemselvesinshellsmade
（20）fromcalciumcarbonate.Whentheforaminiferadie.
sinktothebottom,andbecomepartofseafloorsedi-
ments,thecarbonateoftheirshellspreservescertain
characteristicsoftheseawatertheyinhabited.In
particular,theratioofaheavy,isotopeofoxygen
（25）（oxygen-18）toordinaryoxygen（oxygen-16）inthe
carbonatepreservestheratioofthetwooxygensin
watermolecules.
Itisnowunderstoodthattheratioofoxygeniso-
topesinseawatercloselyreflectstheproportionof
（30）theworld’swaterlockedupinglaciersandicesheets.
Akindofmeteorologicaldistillationaccountsforthe
link.Watermoleculescontainingtheheavierisotope
tendtocondenseandfallasprecipitationslightly
soonerthanmoleculescontainingthelighterisotope.
（35）Hence,aswatervaporevaporatedfromwarmoceans
movesawayfromitssource.itsoxygen-18returns
morequicklytotheoceansthandoesitsoxygen-16.
Whatfallsassnowondistanticesheetsandmountain
glaciersisr
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