大學(xué)英語六級模擬題17

精品文檔-下載后可編輯大學(xué)英語六級模擬題17大學(xué)英語六級模擬題17

PartⅠListeningComprehension(20minutes)SECTIONADirections:Inthissection,youwillhear10shortconversations.Attheendofeachconversation,aquestionwillbeaskedaboutwhatwassaid.Boththeconversationandthequestionwillbespokenonlyonce.Aftereachquestiontherewillbeapause.Duringthepause,youmustreadthefourchoicesmarkedA),B),C)andD),anddecidewhichisthebestanswer.ThenmarkthecorrespondingletterontheAnswerSheetwithasinglelinethroughthecentre.Example:Youwillhear:W:IcertainlyhopethelibrarywillbeopenthisSaturday.M:Thesignsayslibraryhours!Weekdays8:00am.to9:00pm.OnSaturdays9:00to5:00,closedSunday.Q:WhenwillthelibrarybeopenonSaturday?Youwillread:A.8:00am.to9:00am.B.5:00am.to9:00pm.C.9:00am.to5:00pm.D.closedFromtheconversationweknowthatthetwoaretalkingaboutlibraryhours.Onweekdaysthelibraryisopenfrom8:00am.to9:00pm.OnSaturdaysitisopenfrom9:00am.to5:00pm.ThereforeC)“9:00am.to5:00pm.”isthecorrectanswer.YoushouldchooseC)ontheAnswerSheetandmarkitwithasinglelinethroughthecentre.SampleAnswer［A］［B］［C］［D］

1.[0.5分]

A.Atschool.

B.Athome.

C.Inhisoffice.

D.Onafarm.

2.[0.5分]

A.ThatMaryisgoingtoHawaii.

B.ThatMarylikestocollectpostcards.

C.ThatMaryisgoingtomeethermother.

D.ThatMaryisfondofplayingcards.

3.[0.5分]

A.Sometimessheeatsinherfriend’shome.

B.Sometimessheeatsathomewhenshegetsrideandleavesthehouse.

C.Sometimessheeatsinahotel.

D.Sometimesshehasherbreakfastintheschoolcafeteria.

4.[0.5分]

A.OnorbeforeNovember13.

B.NotbeforeNovember13.

C.OnorbeforeNovember30.

D.NotbeforeNovember30.

5.[0.5分]

A.Hejusthadhisnewcarcomein.

B.Thedealeristakinghistimegettingthecarready.

C.Hehasn’tgothisdriver’slicense.

D.Hewantstorideinthecarhimself.

6.[0.5分]

A.Theywentfishing.

B.Theyplayedgolf.

C.Theyplayedbridge.

D.Theyboughtnewfishingrods.

7.[0.5分]

A.Aporter.

B.Apoliceman.

C.Aservant.

D.Aservicestationattendant.

8.[0.5分]

A.Tothecollegeonthecorner.

B.Tothecoffeehouse.

C.Toacollegepoetryclass.

D.Totheman’shouseforcoffee.

9.[0.5分]

A.Sheiswelcometoborrowone.

B.HerEnglishteacherneedsthedictionary.

C.BuyaFrench-Englishdictionaryforherself.

D.Takethedictionaryoutofthelibrary.

10.[0.5分]

A.Itwasprettygood.

B.Itwasratherdull.

C.Itwasnotwellorganized.

D.Itwasattendedbymanypeople.

SECTIONBDirections:Inthissectionyouwillhear3shortpassages.Attheendofeachpassage,youwillhearsomequestions.Boththepassageandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA),B),C),andD).ThenmarkthecorrespondingletterontheAnswerSheetwithasinglelinethroughthecentre.Passage1Questions11-14arebasedonthepassageyouhavejustheard.

11.[0.5分]

A.Becauseitmovesveryquickly.

B.BecauseitspreadthroughGreekarmylongago.

C.Becauseitspreadthroughthecrowdedmostquickly.

D.Becausearmymovesmoreoften.

12.[0.5分]

A.Onetype.

B.Twotypes.

C.Threetypes.

D.Fourtypes.

13.[0.5分]

A.Onemillion.

B.Severalmillion.

C.Sevenmillion.

D.Fifteenmillion.

14.[0.5分]

A.Before1936peopledidn’tknowwhatcausedinfluenza.

B.AgroupofAmericandoctorsfirstdiscoveredthetypesofinfluenza.

C.Allkindsofvaccinecannotpreventeverykindofinfluenzavirus.

D.Theearliestoutbreakofdiseasementionedhappenedintheyear412.

Passage2Questions15-17arebasedonthepassageyouhavejustheard.

15.[0.5分]

A.Becausethatwaswherethepathwent.

B.Becausethepathwasblockedbybushes.

C.Becausehewantedtoexploreit.

D.Becausehewantedtoavoidclimbing.

16.[0.5分]

A.Amarkontherock.

B.Abird’snest.

C.Twoeggsinthegrass.

D.Twoeggsontherock.

17.[0.5分]

A.Becauseithadbeenwornsmooth.

B.Becausetherewasnograssonit.

C.Becauseitwaswetandslippery.

D.Becauseitwassoftandsandy.Passage3Questions18to20arebasedonthepassageyouhavejustheard.

18.[0.5分]

A.Paris.

B.London.

C.UnitedStates.

D.Italy.

19.[0.5分]

A.Never.

B.Once.

C.Threetimes

D.Sixtimes.

20.[0.5分]

A.AreturnmatchwithLloydSmith.

B.HisreturntotheUnitedStates.

C.AchancetodefeattheBritishchampion.

D.FuturevictoriesinParisandCopenhagen.

PartⅡReadingComprehension(35minutes)Directions:Therearefourpassagesinthispart.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).YoushoulddecideonthebestchoiceandmarkthecorrespondingletterontheAnswerSheetwithasinglelinethroughthecentre.Passage1Questions21to25arebasedonthefollowingpassage:Inoneverylongsentence,theintroductiontotheU.N.CharterexpressestheidealsandthecommonaimsofallthepeopleswhosegovernmentsjoinedtogethertoformtheU.N.“WethepeoplesoftheU.N.determinedtosavesucceedinggenerationsfromthescourgeofwar,whichtwiceinourlifetimehasbroughtuntoldsufferingtomankind,andtoreaffirmfaithinfundamentalrights,inthedignityandworthofthehumanperson,intheequalrightsofmenandwomenandofnationslargeandsmall,andtoestablishconditionsunderwhichjusticeandrespectfortheobligationsarisingfromtreatiesandothersourcesofinternationallawcanbementioned,andtopromotesocialprogressandbetterstandardsoflifeinlargerfreedom,andfortheseends,topractisetoleranceandlivetogetherinpeacewithoneanotherasgoodneighbors,andtouniteourstrengthtomaintaininternationalpeaceandsecurity,andtoensure,bytheacceptanceofprinciplesandtheinstitutionofmethods,thatarmedforceshallnotbeused,saveinthecommoninterest,andtoemployinternationalmachineryforthepromotionofeconomicandsocialadvancementofallpeople,haveresolvedtocombineoureffortstoaccomplishtheseaims”.Thename“UnitedNations”isaccreditedtoU.S.PresidentFranklinD.Roosevelt,andthefirstgroupofrepresentativesofmemberstatesmetandsignedadeclarationofcommonintentonNewYear’sDayin1942.Representativesoffivepowersworkedtogethertodrawupproposals,completedatDumbartonOaksin1944.Theseproposals,modifiedafterdeliberationattheconferenceofInternationalOrganizationinSanFranciscowhichbeganinApril1945,werefinallyagreedonandsignedastheU.N.Charterby50countrieson26June1945.Poland,notrepresentedattheconference,signedtheCharterlaterandwasaddedtothelistoforiginalmembers.Itwasnotuntilthatautumn,however,aftertheCharterhadbeenratifiedbyChina,France,theU.S.S.R.,theU.K.andtheU.S.andbyamajorityoftheotherparticipantsthatU.N.officiallycameintoexistence.Thedatewas24October,nowuniversallycelebratedasUnitedNations’Day.TheessentialfunctionsoftheU.N.aretomaintaininternationalpeaceandsecurity,todevelopfriendlyrelationsamongnations,tocooperateinternationallyinsolvinginternationaleconomic,social,culturalandhumanproblems,promotingrespectforhumanrightsandfundamentalfreedomsandtobeacentreforco-ordinatingtheactionsofnationsinattainingthesecommonends.NocountrytakesprecedenceoveranotherintheU.N..Eachmember’srightsandobligationsarethesame.Allmustcontributetopeacefulsettlementofinternationaldisputes,andmembershavepledgedtorefrainfromthethreatoruseofforceagainstotherstates.ThoughtheU.N.hasnorighttointerveneinanystate’sinternalaffairs,ittriestoensurethatnon-memberstatesactaccordingtoitsprinciplesofinternationalpeaceandsecurity.U.N.membermustofferveeryassistanceinanapprovedU.N.actionandinnowayassiststatesagainstwhichtheU.N.istakingpreventiveorenforcementaction.

21.ThefirststatedaimoftheU.N.was______.[1分]

A.tosupervisepeaceandtreaties

B.toreviseinternationallaws

C.topreventathirdworldwar

D.toassistthe“thirdworld”countries

22.Underitscharter,theU.N.guarantees______.[1分]

A.nevertousearms

B.toemployinternationalmachines

C.tobetterstandardsoflife

D.topromoteeconomicandsocialadvancement

23.TheU.N.cameintoexistencefullyin______.[1分]

A.1942

B.1944

C.1940

D.1945

24.TheessentialfunctionsoftheU.N.______.[1分]

A.arelimitedtodiscussionsanddebates

B.includeco-ordinatingactionswherenecessary

C.areonlyconcernedwithhumanrights

D.areeconomicandculture

25.Acountry’sdomesticpolicies______.[1分]

A.cannotbeforciblychangedbytheU.N.

B.areofteninvestigatedbytheU.N.

C.areoftenenforcedbytheU.N.

D.arenotallowedtobenefitfromU.N.adviceorassistance

Passage2Questions26to30arebasedonthefollowingpassage:ThetraditionalAmericanThanksgivingDaycelebrationwentbackto1621.InthatyearaspecialfeastwaspreparedinPlymouth,Massachusetts.ThecolonistswhohadsettledtherehadleftEnglandbecausetheyfeltdeniedofreligiousfreedom.Theycametothenewlandandfaceddifficultiesincomingacrosstheocean.TheshipwhichcarriedthemwascalledtheMayflower.TheNorthAtlanticwasdifficulttotravel.Therewerebadstorms.TheywereassistedinlearningtoliveinthenewlandbytheIndianswhoinhabitedtheregion.ThePuritans,astheywerecalled,hadmuchtobethankfulfor.Theirreligiouspracticeswerenolongerasourceofcriticismbythegovernment.Theylearnedtoadjusttheirfarminghabitstotheclimateandsoil.WhentheyselectedthefourthThursdayofNovemberfortheirThanksgivingcelebration,theyinvitedtheirneighbors,theIndians,tojointhemindinnerandaprayerofgratitudeforthenewlife.Theyrecalledthegroupof102men,women,andchildrenwholeftEngland.TheyrememberedtheirdeadwhodidnotlivetoseetheshoresofMassachusetts.Theyreflectedonthe65days’journey,whichtestedtheirstrength.

26.ThetraditionofadayofThanksgivingis______.[1分]

A.100yearsold

B.200yearsold

C.300yearsold

D.400yearsold

27.WhyhadtheyleftEngland?[1分]

A.Becauseofreligiousproblems.

B.Toestablishanewreligion.

C.Tolearnfarming.

D.BecauseoftheIndians.

28.TheMayflowerwas______.[1分]

A.thecitytheyleftfrom

B.thecitytheyarrivedat

C.theshiptheytravelledin

D.thenameofIndianchief

29.TheIndianshad______.[1分]

A.madelifedifficultforthem

B.helpedthemtoadjust

C.takentheirland

D.beentooafraidtotalktothem

30.TheclimateandsoilinMassachusettsare______.[1分]

A.similartothatofEngland

B.differentfromthatofEngland

C.similartothatofPlymouth

D.differentfromthatofPlymouth

Passage3Questions31to35arebasedonthefollowingpassage:Exceptionalchildrenaredifferentinsomesignificantwaysfromothersofthesameage,forthesameage,forthesechildrentodeveloptotheirfulladultpotential,theireducationmustbeadaptedtothosedifferences.Althoughwefocusontheneedsofexceptionalchildren,wefindourselvesdescribingtheirenvironmentaswell.Whiletheleadingactoronthestagecapturesourattention,weareawareoftheimportanceofthesupportingplayersandthesceneryoftheplayitself.Boththefamilyandthesocietyinwhichexceptionalchildrenliveareoftenthekeytotheirgrowthanddevelopment.Anditisinthepublicschoolsthatwefindthefullexpressionofsociety’sunderstandingtheknowledge,hopes,andfearsthatarepassedontothenextgeneration.Educationinanysocietyisamirrorofthatsociety.Inthatmirrorwecanseethestrengths,theweaknesses,thehopes,theprejudices,andthecentralvaluesofthecultureitself.Thegreatinterestinexceptionalchildrenshowninpubiceducationoverthepastthreedecadesindicatesthestrongfeelinginoursocietythatallcitizens,whatevertheirspecialconditions,deservetheopportunitytofullydeveloptheircapabilities.“Allmenarecreatedequal.”We’vehearditmanytimes,butitstillhasimportantmeaningforeducationinademocraticsociety.Althoughthephrasewasusedbythiscountry’sfounderstodenoteequalitybeforethelaw,ithasalsobeeninterpretedtomeanequalityofopportunity.Thatconceptimplieseducationalopportunityforallchildren——therightofeachchildtoreceivehelpinlearningtothelimitsofhisorhercapacity,whetherthatcapacitybesmallorgreat.Recentcourtdecisionshaveconfirmedtherightofallchildren-desabledornot-toanappropriateeducation,andhaveorderedthatpublicschoolstakethenecessarystepstoprovidethateducation.Inresponse,schoolsaremodifyingtheirprograms,adaptinginstructiontochildrenwhoareexceptional,tothosewhocannotprofitsubstantiallyfromregularprograms.

31.Inparagraph2,theauthorcitestheexampleoftheleadingactoronthestagetoshowthat______.[1分]

A.thegrowthofexceptionalchildrenhasmuchtodowiththeirfamilyandthesociety

B.exceptionchildrenaremoreinfluencedbytheirfamiliesthannormalchildrenare

C.exceptionalchildrenarethekeyinterestofthefamilyandsociety

D.theneedsofthesocietyweighmuchheavierthantheneedsoftheexceptionalchildren

32.Thereasonthattheexceptionalchildrenreceivesomuchconcernineducationisthat______.[1分]

A.theyareexpectedtobeleadersofthesociety

B.theymightbecomeaburdenofthesociety

C.theyshouldfullydeveloptheirpotentials

D.disabledchildrendeservespecialconsideration

33.Thispassagemainlydealswith______.[1分]

A.thedifferencesofchildrenintheirlearningcapabilities

B.thedefinitionofexceptionalchildreninmodernsociety

C.thespecialeducationalprogramsforexceptionalchildren

D.thenecessityofadaptingeducationtoexceptionalchildren

34.Fromitspassagewelearnthattheeducationalconcernforexceptionalchildren______.[1分]

A.isnowenjoyinglegalsupport

B.disagreeswiththetraditionofthecountry

C.wasclearlystatedbythecountry’sfounders

D.willexertgreatinfluenceovercourtdecisions

35.WhichofthefollowingisTRUEaccordingtothepassage?[1分]

A.Exceptionalchildrenrefertothosewithmentalorphysicalproblems.

B.Theauthoruse“Allmenarecreatedequal”tocountertheschoolprogramfortheexceptionalchildren.

C.Recentcourtdecisionsconfirmtherightsoftheexceptionalchildrentoenjoytheequalrightstolearnwiththenormalones.

D.Regularschoolprogramsfailtomeettherequirementstodevelopthepotentialofexceptionalchildren.

Passage4Questions36to40arebasedonthefollowingpassage:MoreattentionwaspaidtothequalityofproductioninFranceatthetimeofReneCoty.CharlesDeschanelwasthenthefinancialminister.Hestressedthatworkmanshipandqualityweremoreimportantthanquantityforindustrialproduction.Itwouldbenecessarytoproducequalitygoodsfortheinternationalmarkettocompletewiththoseproducedinothercountries.TheFrencheconomyneededalargershareoftheinternationalmarkettobalanceitsimportandexporttrade.Frenchindustrialandagriculturalproductionwasstillinadequatetomeettheimmediateneedsofthepeople,letalonelong-rangeddevelopments.Essentialimportshadstretchedtheationalcredittothebreakingpoint.Rentsweretightlycontrolled,buttheextremeinflationaffectedgeneralpopulationmostseverelythoughthecostoffood.Foodcoststookasmuchas80percentofworkersincome.Wages,itistrue,hadrisenandtherewasfull-timeandovertimeemployment.Takentogetherthesefactorsenabledtheworkingclasstoexistbutallowedthemnosenseofsecurity.Inthisprecariousanddiscouragingsituation,workmenwerewillingtoworkoverseasforhigherwages.Thegovernmentwasreluctanttoletworkersleavethecountry.Itwasfearedthismigrationofworkerswoulddepletethelaborforce.Thelackofqualifiedworkersmighthindertheimprovementinthequalityofindustrialproductsproduced.Qualifiedworkersproducedinforeigncountries.AlsothequantityofqualitygoodsproducedinFrancewouldnotbeabletoincreaseaspartofitsqualifiedlaborforcemovedtoothercountries.

36.Accordingtothepassage,whichofthefollowingisright?[1分]

A.TheFrenchworkerswerebetterpaidthantheworkersinanyotherEuropeancountry.

B.TheFrenchworkerswereabletosavemoremoneywiththeincreaseinhiswages.

C.TheFrenchworkerswereanxioustoworkabroad.

D.TheFrenchworkerswereoftenunabletofindworkinFrance.

37.WhichwasnottrueinFrance?[1分]

A.Foodcostwerelow.

B.Wageshadincreased.

C.Thestatepaidfamilyallowances.

D.Therewasovertimeemployment.

38.Accordingtothepassage,whichofthefollowingischarlesDeschanel’sopinion?[1分]

A.Hepaidmoreattentiontoqualitythantoquantity.

B.Thepassagedoesn’tmentionit.

C.Hisopinionistotallydifferentfromothers.

D.Hewasnotright.

39.Accordingtothepassage,Frenchproduction______.[1分]

A.wasinadequatetomeettheneedsoftheFrenchpeople

B.wasfloodingtheinternationalmarketwithinferiorproducts

C.emphasizedindustrialproductionattheexpenseofagriculturalproduction

D.wasenoughforthelocalmarket

40.Whichofthefollowingisright?[1分]

A.TheFrenchgovernmentprohibitedFrenchtoworkabroad.

B.TheFrenchgovernmentreducedtaxestofightinflation.

C.TheFrenchgovernmentpaidfamilyallowancesandbenefits.

D.TheFrenchgovernmentprohibitedtheFrenchworkertojoinlaborunions.

PartⅢVocabulary(20minutes)Directions:Thereare30incompletesentencesinthispart.ForeachsentencetherearefourchoicesmarkedA)、B）、C）andD).ChoosetheONEthatbestcompletesthesentence.ThenmarkthecorrespondingletterontheAnswerSheetwithasinglelinethroughthecentre.

41.Wolveswere______inthenearbyforest.[1分]

A.roaring

B.barking

C.howling

D.growling

42.Itwassolatethatitwas______totrytocatchthetrain.[1分]

A.deficient

B.helpless

C.tardy

D.futile

43.Pleasecomeovertomyplaceimmediately.Ineedyourhelp______.[1分]

A.desperate

B.desperately

C.indespair

D.despairingly

44.Ifhethinksourclasswillwinthegame,itprobablydoes;his____areusuallyaccurate.[1分]

A.acclaims

B.mottoes

C.hunches

D.suspensions

45.ThereispressureontheBritishGovernmentto______thenumberofimmigrantspermittedtosettleintheU.K.[1分]

A.confine

B.decrease

C.restrain

D.limit

46.Humanbehaviorismostlyaproductoflearning,whereasthebehaviorofananimaldependsmainlyon______.[1分]

A.consciousness

B.impulse

C.instinct

D.response

47.Heisa______man,whocheatedmeoutofalotofmoney.[1分]

A.confident

B.confidence

C.confidential

D.confiding

48.Careshouldbetakentodecreasethelengthoftimethatoneis______loudcontinuousnoise.[1分]

A.subjectedto

B.filledwith

C.associatedwith

D.attachedto

49.The______fireintheforestwassoonputoutbythePLAmen.[1分]

A.roaming

B.roaring

C.burning

D.raging

50.Themeltingofthesnowhascausedfloodingby______rivers.[1分]

A.expanded

B.overgrown

C.increased

D.swollen

51.Youmusthave______theexaminationbeforeFriday,sobringyourmoneytotheofficeassoonaspossible.[1分]

A.passed

B.satfor

C.enteredfor

D.taken

52.WhenIaskedheradvice,she______thematterandthentoldmenottogo.[1分]

A.answered

B.explained

C.pondered

D.wandered

53.Severaloftheoff-shoreislandsare______nowthatwehaveamotor-boat.[1分]

A.available

B.accessible

C.convenient

D.achievable

54.TheWorldHealthOrganizationfightsagainst______diseasesallovertheworld.[1分]

A.inevitable

B.influential

C.infectious

D.inferior

55.TheIndiansseelittle______forsuccessandbecomefrustrated,becausetheyusuallygotoinferiorschoolandoftencannotadjusttolifeinthecity.[1分]

A.priority

B.instinct

C.insurance

D.prospect

56.Motherhasn’t______youforquitesometime.Sheisbeginningtothinkyoumustbeill.[1分]

A.heardout

B.heardof

C.heardabout

D.heardfrom

57.Afterleavingschool,Nigeldecidedto______inthearmy.[1分]

A.enroll

B.sign

C.register

D.enlist

58.Afterpractisingforseveralweeks,Peterdecidedto______.[1分]

A.contrive

B.comprise

C.confirm

D.compete

59.Fewpeople______thisdepartmentstorebecausetheydon’tsellgoodclothings.[1分]

A.accused

B.recited

C.patronized

D.advertised

60.Theappletree______thefield,droppingitsflowersonthegrass.[1分]

A.leanedon

B.leanedto

C.leanedover

D.leanedtowards

61.The______,whileworrying,doesnotmeanatotalloss,asthejewelswereinsuredfor$30,000.[1分]

A.robber

B.robbery

C.rubbish

D.robot

62.Thepooroldmanisso______thathecanscarcelywalk.[1分]

A.crude

B.benefit

C.adept

D.decrepit

63.Thelecture______fromprehistorytomoderntimesandgavetheaudiencemuchtothinkabout.[1分]

A.covered

B.included

C.ranged

D.dealt

64.Thenoiseofthemachinery______thewordsofthefactorymanager.[1分]

A.covered

B.suppressed

C.drowned

D.deadened

65.Theyhadaregardformefromthetimeofmyfirst______intheirhouse.[1分]

A.location

B.lodging

C.address

D.residence

66.Theminister______thelatestcrimefiguresasproofoftheneedformorepolice.[1分]

A.cited

B.rejected

C.excited

D.criticized

67.A______isablockofglasswiththreeormoresidesthatbreaksupwhitelightintothedifferentcoloursofthespectrum.[1分]

A.prism

B.propeller

C.probe

D.projector

68.Forpeoplewithhearingdifficultiestelephoneswithvolumecontrolsprovidethebest______.[1分]

A.answer

B.response

C.result

D.solution

69.AfterthechildrenputupChristmasdecorations,theclassroom______aholidayappearance.[1分]

A.tookup

B.tookon

C.tookoff

D.tookdown

70.Ascientifichypothesiscanonlybe______byindisputablefacts,i.e.,byevidencederivedfromactualobservationandexperiment.[1分]

A.claimed

B.exposed

C.continued

D.confirmed

PartⅣShortAnswerQuestions(15minutes)Directions:Inthispartthereisashortpassagewithfivequestionsorincompletestatements.Readthepassagecarefully.Thenanswerthequestionsorcompletethestatementsinthefewestpossiblewords(notexceeding10words).Asearlyas1710theironindustryinEnglishcomplainedofincreasingcompetitionfromtheAmericancolonies.TheAmericanironindustrydevelopedrapidlyfromthatdateuntil,by1750,numerousfurnaces,forges,andmillswereoperatinginNewEngland,themiddlecolonies,andVirginia.WhenlargequantitiesofpigironfromtheAmericancoloniesfirstenteredEnglandin1735,theproductprovedtobeofsuc