【2023年】黑龍江省綏化市大學(xué)英語6級(jí)大學(xué)英語六級(jí)測試卷(含答案)學(xué)校:________班級(jí):________姓名:________考號(hào):________

一、1.Writing(10題)1.Directions:Forthispart,youareallowed30minutestowriteashortessayentitledComputerandOnlineGames.Youshouldwriteatleast150wordsfollowingtheoutlinegivenbelow.

1.大學(xué)生接觸電腦游戲的概況

2．電腦游戲?qū)Υ髮W(xué)生的利與弊

3．我對(duì)這一問題的看法

ComputerandOnlineGames

2.Forthispart,youareallowed30minutestowriteacompositiononthetopic:IdleYoung,NeedyOld.Youshouldwriteatleast150wordsfollowingtheoutlinegivenbelowinChinese:

1．解釋諺語

2．結(jié)合現(xiàn)實(shí)舉例論證

3．珍惜時(shí)光，從現(xiàn)在做起

IdleYoung,NeedyOld

3.Directions:Forthispart,youareallowed30minutestowritealetter—onbehalfoftheStudents'UnionandtheAcademicLecturesAssociation—toinviteavisitingforeignprofessor,David,todeliverapresentationtothestudentsinyouruniversity.YouareNOTallowedtoincludethenameofyouruniversityinthisletter.Youshouldwriteatleast150wordsfollowingtheoutlinegivenbelow.

1.對(duì)這位知名的外籍教授的到來表示歡迎

2．表達(dá)希望該教授就某個(gè)話題在學(xué)校進(jìn)行講座的希望和對(duì)講座的一些基本設(shè)想

3．希望教授可以接受邀請(qǐng)，并對(duì)教授的寶貴時(shí)間表示感謝

4.Directions:Forthispart,youareallowed30minutestowritearesume.Youshouldwriteatleast150wordsfollowingtheoutlinegivenbelow:

假設(shè)你是李明一名應(yīng)屆畢業(yè)生，在報(bào)紙上看到一則招聘廣告，你想要到登廣告的公司供職，請(qǐng)給該公司寫一封求職信，內(nèi)容應(yīng)簡要介紹自己的情況以及自己的經(jīng)歷等。

5.Directions:Forthispart,youareallowed30minutestowriteashortessayentitled"TheFirstImpressionofMyRoommate"Youshouldwriteatleast150wordsfollowingtheoutlinegivenbelow.

1.這是我在大學(xué)的第一天；

2.他(她)就是我的同學(xué)；

3.我仔細(xì)打量了他(她)，發(fā)現(xiàn)……

6.Directions:Forthispart,youareallowed30minutestowriteashortessayentitledOnDialectalTVPro-grams.Youshouldwriteatleast150wordsfollowingtheoutlinegivenbelow.

1.現(xiàn)在電視上出現(xiàn)了很多方言類的節(jié)目

2．對(duì)這種現(xiàn)象有人表示支持，也有人并不贊成

3．我的看法

7.Directions:Forthispart,youareallowedthirtyminutestowriteacompositiononthetopic:HowtoDealwithPersonalCrisis.Youshouldwriteatleast150wordsandbaseyourcompositionontheoutlinegiveninChinesebelow:

1.HowtoDealwithPersonalCrisis

1．造成個(gè)人危機(jī)的起因；

2．應(yīng)對(duì)個(gè)人危機(jī)的方法。

8.1.目前，國久“漢語熱”持續(xù)升溫

2.出現(xiàn)這種現(xiàn)象的主要原因

3.“漢語熱”給我的啟示

OnForeigners'LearningChinese

9.Directions:Forthispart,youareallowed30minutestowriteashortessayentitledTheProspectofElectronicBooks.Youshouldwriteatleast150wordsfollowingtheoutlinegivenbelow:

1.有些人認(rèn)為隨著電腦技術(shù)的發(fā)展，電子書籍將取代現(xiàn)在的紙制書本。

2．有些人認(rèn)為書本的位置是不可替代的。

3．我的看法是……

TheProspectofElectronicBooks

10.Forthispart,youareallowed30minutestowriteashortessayentitledWasteSorting.Youshouldwriteatleast150wordsfollowingtheoutlinegivenbelow.

1．目前許多人扔垃圾時(shí)不分類

2．由此帶來的問題

3．提倡垃圾分類的意義

WasteSorting

二、2.ReadingComprehension(SkimmingandScanning)(10題)11.DrugUseandAddiction

DrugUseandAbuse

Althoughdrugabusecanhaveharmfulresults,peoplecanuseitformorethanoneofthereasons,andmayalsouseseveraldrugsfordifferentreasons.Distinguishingthe"how?"and"why?"ofaperson'sdruguseisrarelyaneasytask,butmostpeopleuseadrugbecausetheyenjoytheeffects.Thismayseemlikeasimplisticorinsensitivestatement,butit'safactthat'seasilyforgottenbythepeoplearoundthedruguser,whoareconcernedandtryingtounderstandwhythey'reusingdrugs.

Worriedparentsoftenaskforwarningsingsofdruguse,butthesimpleansweristhatit'sveryhardtospot.Manyuserswhohavecontactwithmentalhealthservicesmanagetoconcealtheirusefromtheprofessionals,soit'sobviouslydifficulttoidentify.

Parentsusuallyknowtheirchildrenbetterthananyoneelse,andmaintaininganopenatmosphereinwhichcommunicationiskeptupisoftenthebestwaytofindoutwhat'sgoingon.Thisisnotalwayseasywithteenagers,astheymightviewthemethodsparentsusetofindoutiftheirchildrenareusingdrugsasintrusiveandcontrolling.Andangryconfrontationswithteenagersmightpushthemfurtherintoacycleofannoyanceandrefusaltocommunicate.

Theuseofchemicalstoalterthewaywefeelandseethingsinoneoftheoldestactivitiesofthehumanrace.Butaperson'suseofadrugsuchastobacco,alcohol,cannabisorheroincanbecomeuncontrolled,orstarttocontrolthem.Evenwhentheuseofthesedrugsleadstoseriousphysicalandmentalproblems,thepersonmaystillnotwanttostopusingthem.But,iftheydodecidetogiveup,theymayfindit%harderthantheythought.

WhatAretheSymptoms?

Therearealotofconfusingdifferentwordsusedtodescribedruguseandaddictionproblems.Noteveryexpertwillagreewiththedefinitionshere,butbeingconsistentwiththetermsusedhelpstoreducetheconfusionandanxietyeveryonefeelswhenfacedwiththisproblem.

Eachdrughasdifferentpatternsof:

?use;

?poison;

?overdose;

?hangover(殘留).

Foreachdifferentdrug,the"substanceabuse"cancoverdifferentlevelsofuse,including:

?experimentingwithuse;

?usinglargeamountswithoutappearingpoisoned;

?usinglargeamountstogetpoisoned.

PsychologicalAddiction

Themedia'spictureofapersongivingupdrugsusuallyfocusesontheimmediateeffectsofwithdrawingfromheroin.It'simportanttorememberthatthere'softenmoretoanaddictionthanthephysicalwithdrawalsymptoms.Infact,forsomedrugssuchascannabisorheroin,there'sadebateaboutwhetherthereareactuallyanyphysicalsymptomsofwithdrawal.

Peoplewhouseheroinregularlyoveralongperiodmayfindthattherearecertainsituationswheretheycometorelyonthedrug.Iftheystopusingthedrug,theymayfeelverydisabled.Thisisasituationthatcandevelopforalmostanysubstancethateffectsthemind,andthisaspectofaddictioncanbehardertoovercomethanthephysicalsymptoms.

Mentalsymptomscaninclude:

?anxiety;

?depression;

?sleepandrest;

?controllingmood;

?relearningdifferentcopingskills.

Thepatternofthesesymptomswilldependonthedrugused,thepsychologicalmake-upofthepersonandthecircumstancesunderwhichtheyareattemptingtoremaindrug-free.

Thetermcravingisoftenusedwhentalkingaboutpsychologicaladdiction.

Ifapersonisexperiencinganyofthesymptomslistedaboveandtheyknowthatbyusingthedrugalltheseproblemwillgoaway,it'snots

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12.Merck'sstockplummeted40%insixweeksbecausesomeVioxx"victims"died.

13.OrganicFood

OrganicfarmingwasamongthefastestgrowingsegmentsofU.S.agricultureduringthe1990s.Thevalueofretail.salesoforganicfoodwasestimatedtobe$16billionin2004.AccordingtotheFoodMarketingInstitute,morethanhalfofAmericansnowbuyorganicfoodatleastonceamonth.Whyisorganicfoodbecomingsopopular?

WhatisOrganicFood?

InDecember2000,theNationalOrganicStandardsBoardoftheU.S.DepartmentofAgriculture(USDA)establishedanationalstandardfortheterm"organic".Organicfood,definedbyhowitcannotbemaderatherthanhowitcanbemade,mustbeproducedwithouttheuseofsewer-sludgefertilizers,mostsyntheticfertilizersandpesticides,geneticengineering(biotechnology),growthhormones,irradiationandantibiotics.Avarietyofagriculturalproductscanbeproducedorganically,includingproduce,grains,meat,dairy,eggs,andprocessedfoodproducts.

"Organic"doesnotmean"natural".Thereisnolegaldefinitionastowhatconstitutesa"natural"food.However,thefoodindustryusestheterm"natural"toindicatethatafoodhasbeenminimallyprocessedandispreservative-free.Naturalfoodscanincludeorganicfoods,butnotallnaturalfoodsareorganic.Onlyfoodslabeled"organic"havebeencertifiedasmeetingUSDAorganicstandards.

OrganicFarming

Thephrase'organicfarming'—firstappearedinLordNorthbourne'sbookLooktotheLand,publishedin1940.Butthetruthis,organicfarmingistheoldestform.ofagriculture.BeforetheendofWorldWarⅡ,farmingwithouttheuseofpetroleum-basedchemicals(syntheticfertilizersandpesticides)wastheonlyoptionforfarmers.Technologiesdevelopedduringthewarwerefoundtobeusefulforagriculturalproduction.Forexample,thechemicalammoniumnitrate(硝酸銨),whichwasusedasmunitions(軍需品),becameusefulasfertilizer,andorganophosphates(有機(jī)磷酸鹽)usedfornervegaswerelaterusedasinsecticide.

Thesedays,farmersareswitchingtoorganicagricultureonceagain,butnowwithanecologicallybased,systematicapproachthatincludeslong-termplanning,detailedrecordkeepingandmajorinvestmentinequipmentandsupplies.Althoughitisstillonlyasmallindustry,thenumberoforganicfarmersisgrowingbyabout12percentperyearandnowstandsatmorethan12,000nationwide.

OrganicFarmingintheU.S.Today

TheUSDA'sEconomicResearchServicereportsthatin1997,thelatestyearforwhichdataareavailable,farmersin49statesusedorganicproductionmethodsandthirdVpartyorganiccertificationserviceson1.35millionacresoutofatotalof828millionacresoffarmland.Approximatelytwo-thirdsofthecertifiedU.S.organicfarmlandwasusedforcrops,andone-thirdwasusedaspasture.

Largefarms,mostlylocatedintheMidwestandWest,producedprocessedtomatoes,organicwinegrapesandotherhigh-valuecropsonacommercialscale,whereasnumeroussmallfarms,concentratedintheNortheast,specializedinmixedvegetableproductionfordirectmarketingtoconsumersandrestaurants.

Whileorganicfoodcanbefoundthroughoutthecountry,Californiawastheleaderinproductionoforganicfruitsandvegetablesin1997,followedcloselybyArizona,Florida,Texas,andWashingtonindecreasingorderoftotalyield.Farmersandranchersin23statesraisedasmallnumberofcertifiedorganiccows,hogsandsheep.NewYork,WisconsinandMinnesotawerethetopproducersoforganicdairycows.

Production:Organicvs.Conventional

Asyoucanimagine,organicagriculturalpracticesarequitedistinctfromthoseof"conventional"fanning.

Organicfarmers:

feedsoilandbuildsoilmatterwithnaturalfertilizertogrowtheircropsuseinsectpredators,matingdisruption,trapsandbarrierstoprotectcropsfrom

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14.Whenyourequestcash,themoneymoveselectronicallyfromyouraccounttothehost'saccountto______.

15.

TheIndiansatfirstdidnotliketheMissionbecausetheyfeltthatitwasinfavorof______.

16.

Daydreamingcanbeagoodwayofrealizingone'screativepotential.

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17.Natural-gasVehicles

KermittheFrogoncesaid,"It'snotthateasybein'green."Althoughhewasn'treferringtocars,hisobservationseemsparticularlyappropriatefortheautoindustrytoday:Designing,developingandmarketing"green"carshasnotbeenaneasytask,whichiswhygasoline-poweredvehiclesstillrulethemadandfossilfuelsstillaccountforalmost75percentoftheword'senergyconsumption.Asgasolinesoarandconcernoverharmfulemissionmounts,however,carsthatrunonalternatefuelsourceswillbecomeincreasinglyimportant.Anatural-gasvehicle,orNGV,istheperfectexampleofsuchacar--it'sfuel-efficient,environmentallyfriendlyandoffersarelativelylowcostofownership.

NaturalGasBasics

Theword"gas"isaconfusingtermbecauseitisusedto'describemanydifferentsubstancesthataresimilarbutnotexactlythesame.Forexample,the"gas"youputinyourcarisgasoline,onecomponentofcrudeoil,orpetroleum.Petroleumisadark,stickyliquidmixtureofcompoundsformedundergroundbythedecayofancientmarineanimals.

Naturalgasalsocomesfromthedecayofancientorganisms,butitnaturallytakesagaseousform.insteadofaliquidfrom.Naturalgascommonlyoccursinassociationwithcrudeoil.Itisderivedfrombothlandplantsandaquatic(水生的)organicmatterandformsaboveorbelowoildeposits.Itisoftendissolvedincrudeoilatthehighpressuresexistinginareservoir.Therearealsoreservoirsofnaturalgas,knownasnon-associatedgas,thatcontainonlygasandnooil.

Naturalgasconsistsprimarilyofmethane(沼氣)andotherhydrocarbongases.Hydrocarbonsareorganiccompoundscomposedonlyoftheelementscarbonandhydrogen.Thehydrocarbonsinnaturalgasarecalledsaturatedhydrocarbonsbecausetheycontain'hydrogenandcarbonboundtogetherbysinglebonds.

Likegasoline,naturalgasiscombustible(易燃的),whichmeansitcanbeusedinacombustionenginelikegasoline.Butcarsthatcouldburnnaturalgasdidn'tappearonthesceneuntilthe1930s.

FromFieldtoFord

Weextractnaturalgastrappedinundergroundreservoirsbydrillingwellsintotheearth.Amodernwell,equippedwithdiamond-studdeddrillbits,candrilltodepthsapproaching25,000feet.

Throughoutthe19thcentury,theuseofnaturalgasremainedlocalizedbecausetherewasnowaytotransportlargequantitiesofgasoverlongdistances.In1890,theinventionofaleakproofpipelinecouplingmadeitpossibletotransportgasmilesfromthesource.Improvementsinpipelinetechnologycontinuedoverthenexttwodecadesuntillong-distancegastransmissionbecamepractical.From1927to1931,laborersconstructedmorethan10majornaturalgastransmissionsystemsintheUnitedStates,makingnaturalgasaviableenergysourceformanyapplications.Theoilshortagesofthelate1960sandearly1970sbroughtrenewedinterestinnaturalgasasafuelsource,especiallyforautomobiles.

Today,ownersofnatural-gasvehiclescanfilluptheircarsatoneof1,300fuelingstationslocatedintheUnitedStates.Hondaalsooffersapersonalnaturalgaspumptopeoplewhopurchaseitsnatural-gas-poweredCivic.Thepumpusesahome'sexistingnaturalgaslinesandcanbeinstalledfor$500to$1,500.

Natural-gasVehicleDesign

Natural-gasvehiclesusethesamebasicprinciplesasgasoline-poweredvehicles.Inotherwords,thefuel(naturalgasinthiscase)ismixedwithairinthecylinderofafour-storkeengineandthenignitedbyasparkplugtomoveapiston(活塞)upanddown.AlthoughtherearesomedifferencesbetweennaturalgasandgasolineintermsofflamabilityandignitiontemperaturesNGVsthemselvesoperateonthesamefundamentalconceptsasgasoline-poweredvehicles.

Still,somemodificationsarerequired

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18.

Bennerandhisteamhypothesizedthatduplicationoftheancestralgeneoccurrednearthetime______.

19.

AnawardofanyIPrightsshouldconsiderthebalancebetweenthecreator'sinterestandthatoftheotherindividuals'.

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20.

Howthepatientwillbetreatedwilldependontheresultofthe______.

三、3.ListeningComprehension(10題)21.聽力原文：Faces,likefingerprints,areunique.Didyoueverwonderhowitispossibleforustorecognizepeople?Evenaskilledwriterprobablycouldnotdescribeallthefeaturesthatmakeonefacedifferentfromanother.Yetaveryyoungchildorevenananimal,suchasapigeoncanlearntorecognizefaces.Wealltakethisabilityforgranted.

Wealsotellpeopleapartbyhowtheybehave.Whenwetalkaboutsomeone'spersonality,wemerethewaysinwhichheorsheacts,speaks,thinksandfeelsthatmakethatindividualdifferentfromothers.

Likethehumsface,humanpersonalityisverycomplex.Butdescribingsomeone'spersonalityinwordsissomewhateasierthandescribinghisface.Ifyouwereaskedtodescribewhata"niceface"lookedlike,youprobablywouldhaveadifficulttimedoingso.Butifyouwerekedtodescribea"niceperson,"youmightbegintothinkaboutsomeonewhowaskindconsiderate,friendly,ware-hearted,andsoon.

Therearemanywordstodescribehowapersonthinks,feelsandacts,AnAmericanpsychologistfoundnearly18,000Englishwordscharacterizingdifferencesinpeople'sbehavior.Andmanyofususethisinformationasabasisfordescribing,ortypinghispersonality.Bookworms,conservatives,militarytypes:peoplearedescribedwithsuchterns.

Peoplehavealwaystriedto"type"eachother.ActorsinearlyGreekdramaworemaskstoshowtheaudiencewhethertheyplayedthevillains'ortheheroes'role.Infact,thewords"person"and"personality"comefromtheLatinpersona,meaning"mask".Today,mosttelevisionandmovieactorsdonotwearmasks.Butwecaneasilyfromthe"goodguys"fromthe"badguys"becausethetwotypesdifferinappearanceaswellasinactions,

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A.Howtodistinguishpeople'sfaces.

B.Howtodescribepeople'spersonality.

C.Howtodistinguishpeoplebothinwardandoutward.

D.Howtodiffergoodpersonsfrombadpersons.

22.(45)

23.(32)

A.Yogadoesotherformsofgood.

B.ThebenefitsofYogaareencouraging.

C.Theresultofthestudyisnotwellgrounded.

D.ThebenefitsofYogaonhealthareexaggerated.

24.

【B7】

25.SectionB

Directions:Inthissection,youwillhear3shortpassages.Attheendofeachpassage,youwillhearsomequestions.Boththepassageandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA,B,CandD.

聽力原文：(26)Sothecounselingservicesweofferdealwithanyproblemsarisingfromyourstudies,orinyourlifeoutsidetheuniversity.Letustakeacademiccounseling.Ifyouareconfusedaboutsubjectsorhowtocombinetheminyourdegree,thenwecanadviseyouanddiscussthecareeryouareaimingfor,sothatyoucanseeitallincontext.(27)Wecanalsochaseupyourtutorifyouarenotgettingproperfeedbackonhowyouaregettingoninyoursubject.

Besideshelpwithacademicproblems,youmayalsoneedpersonalcounseling:ifyouthinkyouarealreadyunderstress,well,justwaittillclassesbeginnextweek.Youwillhavetostartadjustingtoteachingandlearningmethodsthatmaybeunfamiliartoyou.(28)aswellasthemountingpressureasthedeadlineforthatfirstassignmentcreepsuponyou.Andofcourse,youhavetocopewithallthiswithoutyourusualsocialnetworkyouknow,thesocialcontacts,familyandfriendsyoucouldnormallyrelyonforhelp.Allofthiscausesanxiety.(28)Studyingoverseascantriggerapersonalcrisisyoumayhaveleftalotofwhatyoumightcall"unfinishedbusiness"backinyourowncountry.oryoumayhaveinterruptedpersonalrelationshipsorevensometimeshavebrokenthemofftocomeoverseas.andsothestudentoftenfeelslonely,unhappy,unmotivatedandunabletoconcentrateonstudying.Ortheremaybeotherthingsbotheringyou.Ourresidentpresidentcanofferyouspiritualguidanceifthatiswhatyouwant,orwecanputyouintouchwithcommunitygroupsthatcanprovideyouwithsocialcontactsandfriendship.

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A.Thecounselingserviceofferinghelptotheoverseasstudents.

B.Theresidentpresidentofferingspiritualguidancetotheoverseasstudents.

C.Thecommunitygroupsprovidinghelptotheoverseasstudents.

D.Themethodofdealingwiththepersonalcrisisoftheoverseasstudents.

26.(43)

27.聽力原文：M:Whatwouldyoudoifyouheardastrangenoiseinthemiddleofthenight?

W:I'dlieawakealittlewhile,waitingtoseeifithappenedagain.Andifitdid,I’dgetup.

Q:Howwouldyoudescribethewoman?

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A.Cowardly.B.Anxious.C.Lazy.D.Courageous.

28.聽力原文：W:Goodeveningandwelcometotonight'sprogram.Ourguestistheworld-renownedDr.CharlesAdams,whohassparkedagreatdealofattentionOverthepastseveralyearsforhisresearchintheareaoflanguagelearning.Hisnewbook,LearningaLanguageoverEggsandToast,hasbeenonthebestsellerlistforthepastsixweeks.Welcometoourprogram.

M:Ah,it'sapleasuretobehere.

W:Now,Dr.Adams.Tellusaboutthetitleofyourbook,LearningaLanguageoverEggsandToast.

M:Well,oneofthemostimportantkeystolearninganotherlanguageistoestablisharegularstudyprogram,likeplanningafewminuteseverymorningaroundbreakfasttime.

W:Sowhataresomeofthebasickeysyouaresuggestinginthehook?

M:Well,asIjustmentioned,peopleneedtoplanouttheirstudybysettingrealisticandattainablegoalsfromthebeginning.Andsmallsteps,littlebylittle,arethekey.

W:Nowyoumentionedsomethingaboutmaximizingyourlearningpotentialbylearningaboutyourownindividuallearningstyles.Canyouelaborateonthat?

M:Sure.Peopleoftenhavedifferentwaysoflearningandapproachlearningtasksdifferently.Somepeoplearevisuallearnerswhoprefertoseemodelsofthepatternstheyareexpectedtolearn;othersareauditorylearnerswhofavorhearinginstructions,forexample,overreadingthem.

W:Well,Dr.Adams.Whatisyourlearningstyle?

M:Well,I'maverytactilelearner.

W:Youmeanonewholearnsthroughhands-onexperience?

M:Exactly.

W:Okay.WehavejustheardfromDr.CharlesAdams,authorofthebook,LearningLanguagesoverEggsandToast.Thanksforjoiningus.

M:Mypleasure.

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A.Howtowriteabookonlanguagelearning.

B.Howtolearnlanguageswell.

C.Howtofindoutalanguagelearner'slearningstyle.

D.Howtodoresearchonlanguagelearning.

29.

【B2】

30.聽力原文：W:Tom,getup,please!Ihavetocleanitup.Ourfriendswillbehereatanytimeandthishouseisamess.

M:Sowhat?Theirsisevenworse.

Q:Whatdoesthemanmean?

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A.Hedoesn'tlikemessypeople.

B.Hedoesn'tknowwheretheirhouseis.

C.Heseesnoneedtocleanthehouse.

D.Hecanthinkofnoworsetimefortheirfriendstocome.

四、4.ReadingComprehension(ReadinginDepth)(3題)31.SectionB

Directions:Thereare2passagesinthissection.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA,B,CandD.Youshoulddecideonthebestchoice.

Thecooperativespiritthatispresentinsuchpack-huntersaswolvesislargelyabsentfromtheworldoftheprimate.Competitivenessanddominanceistheorderofhisday.Competitioninthesocialhierarchyis,ofcourse,presentinbothgroups,butitislesstemperedbyco-operativeactioninthecaseofmonkeysandapes.Complicated,coordinatedmaneuversarealsounnecessary:sequencesoffeedingactiondonotneedtobestrongtogetherinsuchacomplexway.Theprimatecanlivemuchmorefromminutetominute,fromhandtomouth.

Becausetheprimate'sfoodsupplyisallarounditforthetaking,thereislittleneedtocovergreatdistances.Groupsofwildgorillas,thelargestofthelivingprimates,havebeencarefullystudiedandtheirmovementstraced,sothatweknowthattheytravelonaverageaboutathirdofamileaday.Sometimestheymoveonlyafewhundredfeet.Carnivores,bycontrast,mustfrequentlytravelmanymilesonasinglehuntingtrip.insomeinstancestheyhavebeenknowntotraveloverfiftymilesonahuntingjourney,takingseveraldaysbeforereturningtotheirhomebase.Thisactofreturningtoafixedhomebaseistypicalofthecarnivores,butisfarlesscommonamongstthemonkeysandapes.True,agroupofprimateswillliveinareasonablyclearlydefinedhomerange,butatnightitwillprobablybeddownwhereverithappenstohaveendedupinitsday'smeanderings.Itwillgettoknowthegeneralregioninwhichitlivesbecauseitisalwayswanderingbackandforthacrossit,butitwilltendtousethewholeareainamuchmorehaphazardway.Also,theinteractionbetweenonetroopandthenextwillbelessdefensiveandlessaggressivethanisthecasewithcarnivores.Aterritoryis,bydefinition,adefendedarea,andprimatesarenottherefore,typically,territorialanimals.

Asmallpoint,butonethatisrelevanthere,isthatcarnivoreshavefleasbutprimatesdonot.Monkeysandapesareplaguedbyliceandcertainotherexternalparasites,but,contrarytopopularopinion,theyarecompletelyflealess,foroneverygoodreason.Tounderstandthis,itisnecessarytoexaminethelife-cycleoftheflea.Thisinsectlaysitseggs,notonthebodyofitshost,butamongstthedetritusofitsvictimssleepingquarters.Theeggstakethreedaystohatchintosmall,crawlingmaggots.Theselarvaedonotfeedonblood,butonthewastematterthathasaccumulatedinthedirtofthedenorlair.Aftertwoweekstheyspinacocoonandpupate.Theyremaininthisdormantconditionforapproximatelytwoweeksbeforeemergingasadults,readytohoponasuitablehostbody.Soforatleastthefirstmonthofitslifeafleaiscutofffromitshostspecies.Itisclearfromthiswhyanomadicmammal,suchasamonkeyorape,isnottroubledbyfleas.Evenifafewfleasdohappentohopontooneandmatesuccessfully,theireggswillbeleftbehindastheprimategroupmoveson,andwhenthepupaehatchtherewillbenohost"athome"tocontinuetherelationship.

Inwhichaspectarewolvesgreatlydifferentfrommonkeysandapes?

A.Competitiveness.

B.Cooperation.

C.Dominance.

D.Hieraticalcreatures.

32.

Whatisstudents'immediatemissioninlife?

33.Iamoneofthemanycitypeoplewhoarealwayssayingthatgiventhechoicewewouldprefertoliveinthecountryawayfromthedirtandnoiseofalargecity.Ihavemanagedtoconvincemyselfthatifitweren'tformyjobIwouldimmediatelyheadoutfortheopenspacesandgobacktonatureinsomesleepyvillageburiedinthecountry.Buthowrealisticisthedream?

Citiescanbefrighteningplaces.Themajorityofthepopulationlivesinmassivetowerblocks,noisy,dirtyandimpersonal.Thesenseofbelongingtoacommunitytendstodisappearwhenyoulivefifteenfloorsup.Allyoucanseefromyourwindowissky,orotherblocksofflats.Childrenbecomeaggressiveandnervous—coopedupathomeallday,withnowheretoplay;theirmothersfeelisolatedfromtherestoftheworld.Strangelyenough,whereasinthepasttheinhabitantsofonestreetallkneweachother,nowadayspeopleontiresamefloorintowerblocksdon'tevensayhellotoeachother.

Countrylife,ontheotherhand,differsfromthiskindofisolatedexistenceinthatasenseofcommunitygenerallybindstheinhabitantsofsmallvillagestogether.Peoplehavetheadvantageofknowingthatthereisalwayssomeonetoturntowhentheyneedhelp.Butcountrylifehasdisadvantagestoo.Whileitistruethatyoumaybeamongfriendsinavillage,itisalsotruethatyouarecutofffromtheexcitingandimportanteventsthattakeplaceincities.There'slittlepossibilityofgoingtoanewshoworthelatestmovie.Shoppingbecomesamajorproblem,andforanythingslightlyoutoftheordinaryyouhavetogoonanexpeditiontothenearestlargetown.Thecity-dwellerwholeavesforthecountryisoftenoppressedbyasenseofunbearablestillnessandquietness.

What,then,istheanswer?Thecountryhastheadvantageofpeaceandquiet,butsu