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wnaspsychoactivesubstances.Psychoactivesubstancesaremonlygroupedaccordingtowhethertheyarestimulants,depressants,orhallucinogens.Stimulantsinitiallyspeeduporactivatethecentralnervoussystem,whereasdepressantsslowitdown.Hallucinogenshavetheirprimaryeffectonperception,distortingandalteringitinavarietyofwaysincludingproducinghallucinations.Thesearethesubstancesoftencalledpsychedelic(fromtheGreekwordmeaning"mind-manifestation")becausetheyseemedtoradicallyalterone'sstateofconsciousness.

19."Substanceabuse"(Line5,Paragraph1)ispreferableto"drugabuse"inthat.

[A]substancescanalterourbodilyormentalfunctioningifillegallyused

[B]"drugabuse"isonlyrelatedtoalimitednumberofdrugtakers

[C]alcoholandtobaccoareasfatalasheroinandcocaine

[D]manysubstancesotherthanheroinorcocainecanalsobepoisonous

20.Theword"pervasive"(Line1,Paragraph2)migean.

[A]widespread[B]overwhelming

[C]piercing[D]fashionable

21.Physicaldependenceoncertainsubstancesresultsfrom.

[A]uncontrolledconsumptionofthemoverlongperiodsoftime

[B]exclusiveuseofthemforsocialpurposes

[C]quantitativeapplicationofthemtothetreatmentofdiseases

[D]carelessemploymentofthemforunpleasantsymptoms

22.Fromthelastparagraphwecaninferthat.

[A]stimulantsfunctionpositivelyonthemind

[B]hallucinogensareinthemselvesharmfultohealth

[C]depressantsaretheworsttypeofpsychoactivesubstances

[D]thethreetypesofpsychoactivesubstancesweremonlyusedingroups

Passage4

Nopanylikestobetolditiscontributingtothemoraldeclineofanation."Isthiswhatyouintendedtoacplishwithyourcareers"SenatorRobertDoleaskedTimeWarnerexecutiveslastweek."Youhavesoldyoursouls,butmustyoucorruptournationandthreatenourchildrenaswell"AtTimeWarner,however,suchquestionsaresimplythelatestmanifestationofthesoul-searchingthathasinvolvedthepanyeversincethepanywasbornin1990.It'saself-examinationthathas,atvarioustimes,involvedissuesofresponsibility,creativefreedomandthecorporatebottomline.

AtthecoreofthisdebateischairmanGeraldLevin,56,whotookoverforthelateSteveRossin1992.Onthefinancialfront,Levinisunderpressuretoraisethestockpriceandreducethepany'smountainousdebt,whichwillincreaseto$17.3billionaftertwonewcabledealsclose.Hehaspromisedtoselloffsomeofthepropertyandrestructurethepany,butinvestorsarewaitingimpatiently.

Theflapoverrapisnotmakinglifeanyeasierforhim.Levinhasconsistentlydefendedthepany'srapmusiconthegroundsofexpression.In1992,whenTimeWarnerwasunderfireforreleasingIce-T'sviolentrapsongCopKiller,Levindescribedrapasalawfulexpressionofstreetculture,whichdeservesanoutlet."Thetestofanydemocraticsociety,"hewroteinaWallStreetJournalcolumn,"liesnotinhowwellitcancontrolexpressionbutinwhetheritgivesfreedomofthoughtandexpressionthewidestpossiblelatitude,howeverdisputableorirritatingtheresultsmaysometimesbe.Wewon'tretreatinthefaceofanythreats."

Levinwouldnotmentonthedebatelastweek,butthereweresignsthatthechairmanwasbackingoffhishard-linestand,atleasttosomeextent.Duringthediscussionofrocksingingversesatlastmonth'sstockholders'meeting,Levinassertedthat"musicisnotthecauseofsociety'sills"andevencitedhisson,ateacherintheBronx,NewYork,whousesraptomunicatewithstudents.Buthetalkedaswellaboutthe"balancedstruggle"betweencreativefreedomandsocialresponsibility,andheannouncedthatthepanywouldlaunchadrivetodevelopstandardsfordistributionandlabelingofpotentiallyobjectionablemusic.

The15-memberTimeWarnerboardisgenerallysupportiveofLevinandhiscorporatestrategy.Butinsiderssayseveralofthemhaveshowntheirconcernsinthismatter."Someofushaveknownformany,manyyearsthatthefreedomsundertheFirstAmendmentarenottotallyunlimited,"saysLuce."Ithinkitisperhapsthecasethatsomepeopleassociatedwiththepanyhaveonlyrecentlyetorealizethis."

23.SenatorRobertDolecriticizedTimeWarnerfor.

[A]itsraisingofthecorporatestockprice

[B]itsself-examinationofsoul

[C]itsneglectofsocialresponsibility

[D]itsemphasisoncreativefreedom

24.Accordingtothepassage,whichofthefollowingisTRUE

[A]LuceisaspokesmanofTimeWarner.

[B]GeraldLevinisliabletopromise.

[C]TimeWarnerisunitedasoneinthefaceofthedebate.

[D]SteveRossisnolongeralive

25.Infaceoftherecentattacksonthepany,thechairman.

[A]stucktoastrongstandtodefendfreedomofexpression