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2022年河南省安阳市大学英语6级大学英语六级模拟考试(含答案)学校:________班级:________姓名:________考号:________

一、2.ReadingComprehension(SkimmingandScanning)(20题)1.

Thereisnopublicchargingstationsbecause______.

A.Itsbuildingcostisprettyhigh.

B.Peoplewouldliketochargeathome.

C.Ittakeslongtimetofinishthecharging.

D.Chargeinpublicstationscostlongtime.

2.

Feverisa_____________toinfection,andnomajorproblemsgenerallycomefromfeveritself.

3.

Theperiodbetweenanearlysenseofforebodingandanactualcareerinflectionpointisthetimeforyouto______.

4.

MayerHillmanindicatesthatchildrennowhavelessandless______.

A.spaceforplaying

B.contactwithanimals

C.concernaboutothers

D.knowledgeaboutnature

5.

Mr.Bellavancecashedouthispension,soldhishouseandunloadedthingshedidn'tneedatgarageafterlosinghisjobinordertochangehisfinancesinto_______________mode.

6.

Inordertomeet______,low-incomeshoppersmustconsideralotoffactorswhenselectingfoodproducts.

7.Toresolveremaininguncertainties,it'snecessarytoobservefactorssuchaswind,clouds,andhumidityinthetropospheretomakesuretheyareconsistentwith______.

8.

AncientEgyptian"shadowclock"or"sundial"discoveredaround1500BC,couldmeasurepassageof"hours"automaticallyandcontinuously.

A.YB.NC.NG

9.

Thedenialofwhathavehappenedoftencomefromtwosources—______.

10.

Theoxidationofthedecayeddeadalgalbodiescan't______.

A.lowertheamountofoxygeninthefiverwater

B.makethewatertastebadly

C.makethewaterunsuitableforhumanconsumption

D.makethebacteriadead

11.

OneoftheeducationalactivitiesinEastHarlemHealthyHeartProgramis______.

12.TheMagicofMemory

—ByLaurenceCherry

Ourmemoriesareprobablyourmostcherishedpossessions.Morethananythingelseweown,theybelonguniquelytous,definingourpersonalitiesandourviewsoftheworld.Eachofuscansummonthousandsofmemoriesatwill:ourfirstdayatschool,afavoritefamilypet,asummerhouseweloved.Andyetthemarvelofmemorycontinuestobeatantalizing(挑逗性的)mystery.Nevertheless,withinthepastfewyearsgreatadvanceshavebeenmadeinunderstandingwhatmemoryis,howitworks,andhowitmaypossiblybeimproved."We'restandingatthebrinkofawholenewerainmemoryresearch,"saysDr.StevenFerris,apsychologistattheMillhauserGeriatric(老年医学的)Clinic."Forthefirsttime,there'sageneralfeelingthatwe'rereallyontherighttrack."

Foryears,theprevailingtheorywasthatrememberingwassomehowconnectedtoelectricalactivityinsidethebrain.Butwithinthepastdecade,it'sbecomeclearthatchemicalchangesmustalsobeinvolved,otherwiseourmemoriescouldneversurvivedeep-freeze,coma,anesthesia(麻醉)andothereventsthatradicallydisruptthebrain'selectricalactivity.Ingeniousresearchoverthepastfewyearshasdemonstratedthatbiochemicalchangesdoindeedaccompanylearningandremembering.Inonedramaticexperiment,mice,whousuallypreferthesafetyofdarkness,weretaughttofearthedarkandwerethenkilled.Extractsoftheirbrainswereinjectedintountrainedmice,andtheythenbegantoshunthedark.Otherexperimentershaveshownthattheamountsofcertainchemicals,suchasRNA(核糖核酸),radicallyincreasewithlearning,asdotheamountsofcertainneurotransmitters(神经传递素)—chemicalsreleasedbybraincellsthathelpconductnerveimpulsesfromonebraincelltoanother.Memory,then,isalsochemicalinnature,althoughexactlyinwhatwayremainsamystery.

Almostallmemoryresearchersnowagreethatourbrainsrecord—andonsomelevelremember—everythingthateverhappenstous.Manypeoplewho'venarrowlyescapedsuddendeath,suchassoldiersandmountainclimbers,havereportedthatinthefewsecondsthatseemedlefttothemastreamoflong-lostmemoriesflashedbeforethem.ThefirstexperimentalconfirmationthatthebraindoesrecordeveryexperienceinthisminutewaycamesomeyearsagofromDr.WilderPenfieldoftheMontrealNeurologicalInstitute.Hehopedtocureepileptics(癫痫病人)bystimulatingapartoftheirbrainscalledthetemporalcortex(脑的颞皮层)withamildelectriccurrent.Becausethebrainisimmunetopain,Penfieldwasabletooperatewithhispatientsfullyawake.Tohisastonishment,simplybytouchingthebrainsofsomepatientswiththetipofhiswire-thinelectrode(电极)hewasabletoevokeastonishinglypreciseandvividmemories."Iseeaguycomingthroughthefenceatthebaseballgame,"exclaimedonepatient,wheneverPenfieldtouchedtheupperpartofhislefttemporallobe(脑叶)."It'sthemiddleofthegame,andI'mbacktherewatchinghim)"Anotherwomanreportedbeingbackataconcertshehadonceattendedandcouldevenhumalongwiththeorchestrawheneverherbrainwasstimulated.

Investigatorsusinghypnosis(催眠术)havebeenasastonishedasPenfieldattheamazingcapacityofourmemories.Onceinatrance(昏睡),goodhypnoticsubjectscanreportdetailedrecollectionsofeventsthattookplacedays,months,evendecadesago—which,whencheckedagainstoldrecordsanddiaries,turnouttobeaccurate."Everything,absolutelyeverything,isremembered,"saysonehypnotist.

Evensenilepatients,whocanhardlyrememberrecenteventsatall,retaintheabilitytoremembernewexperiences,butonlyver

A.YB.NC.NG

13.Depression:TheHiddenEpidemic

Feltdown?Gottheblues?You'renotalone.Everyonegetssad(yes,everyoneyou'veevermet).Somepeoplehavesadfeelingsjustprettyoften.Morethanhalfofteenagersgothroughasadperiodatleastonceamonthandplentyofyoungerkidsdo,too.

Whenyou'reinasadmood,itmayfeellikeitwilllastforever,butusuallyfeelingsofsadnessdon'tlastverylong—afewhours,ormaybeadayortwo.Adeeper,moreintensekindofsadnessthatlastsalotlongeriscalleddepression.Eachyearmillionsofpeopleareestimatedto.sufferfromdepression,aconditionsowidespreadthatithasbeendubbed"thecommoncoldofmentalillness."

TypesofDepression

Forsomepeople,depressioncanbeintenseandoccurinboutsthatlastforweeksatatime.Forothers,depressioncanbelessseverebutcanlingeratalowlevelforyears.

Doctorswhotreatdepressiondistinguishbetweenthesetwoforms,diagnosingthemoresevere,short-lastingform.asmajordepression,andthelonger-lastingbutlesssevereform.asdysthymia.

Athirdform.ofdepressionthatmaybediagnosediscalledadjustmentdisorderwithdepressedmood.Itreferstoadepressivereactiontoaspecificlifeevent(suchasadeath,divorce,orotherloss)whentheadjustmenttothelosstakeslongerthanthenormallyexpectedtimeframe.orismoreseverethanexpectedandinterfereswiththeperson'sdailyactivities.

Bipolardisorder(alsosometimescalledmanicdepressiveillness)isanotherdepressiveconditionthatinvolvesperiodsofmajordepressionmixedwithperiodsofmania.Maniaisthetermforabnormallyhighmoodandextremeburstsofunusualactivityorenergy.MentalhealthexpertsdivideBipolardisorderintofourtypesbecausethesymptomsofbipolardisordershowupdifferentlyindifferentpeople.

WhatAretheSymptomsofDepression?

Depressionisassociatedwithmanysymptomsandnoteveryonehasthesameones.Somepeoplehavemanysymptoms,whileothersmayonlyhaveafew.Thesymptomsbelowmaysignalthatyouorsomeoneyoulovemaybedepressed:

1.Appearance—sadface,slowmovements,unkemptlook

2.Unhappyfeelings—feelingsad,hopeless,discouraged,orlistless

3.Negativethoughts—"I'mafailure,""I'mnotgood,""Noonecaresaboutme."

4.Reducedactivity—"Ijustsitaroundandmope,""Doinganythingisjusttoomuchofaneffort."

5.Reducedconcentration

6.Peopleproblems—"Idon'twantanybodytoseeme,""Ifeelsolonely."

7.Guiltandlowself-esteem—"It'sallmyfault,""Ishouldbepunished."

8.Physicalproblems—Sleepingproblems,weightlossorgain,decreasedsexualinterest,orhead-aches

9.Suicidalthoughtsorwishes—"I'dbebetteroffdead,""Iwonderifithurtstodie."

WhyDoPeopleGetDepressed?

Theexactcauseofdepressionremainsunclear.Themostprobableexplanationisthatitisanimbalanceinneurotransmittersinthebrain.Butwhattriggersitinthefirstplace?

First,geneticfactors.Thereisgrowinginterestingeneticapproachestounderstandingavarietyofdiseasesanddepressionisnoexception.Somepeoplecertainlyseemtobemorevulnerabletodepressionthancouldmakeindividualssusceptibletothedisease.Somestudieshaveshownthatpeoplewhohaverelativeswithdepressionhaveaoneinfourchanceofdevelopingitthemselves,comparedwithonlyonein14forthegeneralpopulation.

Secondly,externaltriggers.Inmostcasesjusthavingthesegenesisprobablynotenough-tocausedepressiononitsown.Depressi

A.YB.NC.NG

14.

"Wordborrowing"meanstakingwordsfromonelanguageandincorporatingthemintothevocabularyofanotherlanguage.

A.YB.NC.NG

15.

Generallyspeaking,theessaystheundergraduateswritelookwordybutstilllogic.

A.YB.NC.NG

16.WhyShouldWeWorryAboutWhatWeShouldn't?

Itwouldbealoteasiertoenjoyyourlifeifthereweren'tsomanythingstryingtokillyoueveryday.Theproblemsstartevenbeforeyou'refullyawake.There'sthefalloutofbedthatkills600Americanseachyear.There'stheearly-morningheartattack,whichis40%morecommonthanthosethatstrikelaterintheday.There'sthefatalplungedownthestairs,thebiteofsausagethatgetslodgedinyourthroat,thetumbleontheslipperysidewalkasyouleavethehouse,thehigh-speedautomotivepinballgamethatisyourdailycommute.

Otherdangersstalkyoualldaylong.Willacabbie'sbrakesfailwhenyou'reinthecrosswalk?Willyouhaveaviolentreactiontobadfood?Andwhatabouttherisksyoucarrywithyouallyourlife?Thefatherandgrandfatherwhodiedofcoronariesintheir50sprobablypassedthesamecardiacweaknessontoyou.Thetendencytotakechancesonthehighwaythathastwicelandedyouintrafficcourtcouldjustaseasilylandyouinthemorgue.

Shadowedbyperilasweare,youwouldthinkwe'dgetprettygoodatdistinguishingtheriskslikeliesttodousinfromtheonesthatarestatisticallongshots.Butyouwouldbewrong.Weagonizeoveravianflu,whichtodatehaskilledpreciselynooneintheU.S.,buthavetobecajoledintogettingvaccinatedforthecommonflu,whichcontributestothedeathsof36,000Americanseachyear.Wewringourhandsoverthemadcowpathogenthatmightbe(butalmostcertainlyisn't)inourhamburgerandworryfarlessaboutthecholesterolthatcontributestotheheartdiseasethatkills700,000ofusannually.

Weprideourselvesonbeingtheonlyspeciesthatunderstandstheconceptofrisk,yetwehaveaconfoundinghabitofworryingaboutmerepossibilitieswhileignoringprobabilities,buildingbarricadesagainstperceiveddangerswhileleavingourselvesexposedtorealones.SixMuslimstravelingfromareligiousconferencewerethrownoffaplanelastweekinMinneapolis,Minn.,evenasunscreenedcargocontinuestostreamintoportsonbothcoasts.ShoppersstilllookaskanceatabagofspinachforfearofE.colibacteriawhilefillingtheircartswithfat-soddenFrenchfriesandsalt-crustednachos.Weputfiltersonfaucets,installairionizersinourhomesandlatherourselveswithantibacterialsoap."Weusedtomeasurecontaminantsdowntothepartspermillion,"saysDanMcGinn,aformerCapitolHillstaffmemberandnowaprivateriskconsultant."Nowit'spartsperbillion."

Atthesametime,20%ofalladultsstillsmoke;nearly20%ofdriversandmorethan30%ofbackseatpassengersdon'tuseseatbelts;two-thirdsofusareoverweightorobese.Wedashacrossthestreetagainstthelightandbuildourhomesinhurricane-proneareasandwhenthey'redemolishedbyastorm,werebuildinthesamespot.Sensiblecalculationofreal-worldrisksisamultidimensionalmathproblemthatsometimesseemsentirelybeyondus.Andwhileitmaybetreethatit'ssomethingwe'llneverdoexceptionallywell,it'salmostcertainlysomethingwecanlearntodobetter.

Partoftheproblemwehavewithevaluatingrisk,scientistssay,isthatwe'removingthroughthemodemworldwithwhatis,inmanyrespects,aprehistoricbrain.Wemaythinkwe'vegrownaccustomedtolivinginapredator-freeenvironmentinwhichmostofthedangersofthewildhavebeendrivenawayorfencedoff,butourcentralnervoussystem--evolvingataglacialpace--hasn'tgotthemessage.

Toprobetherisk-assessmentmechanismsofthehumanmind,JosephLeDoux,aprofessorofneuroscienceatNewYorkUniversityandtheauthorofTheEmotionalBrain,studiesfearpathwaysinlaboratoryanimals.Heexplainsthatthejumpiestpartofthebrain--ofmouseandman--istheamygdala,aprimitive,almond-shapedclumpoftissuethats

A.YB.NC.NG

17.

Manytypesoffamilyrelationshipsusedtobeconsideredharmful,andlaterconfirmedtocauseharmtothechildren.

A.YB.NC.NG

18.

Thegreenhouseeffectissuretocauseahigherglobaltemperaturenextcentury.

A.YB.NC.NG

19.

Thecountrythatbringsaboutthelargestamountofglobalwarmingpollutionis______.

20.

In2001,R-ratedfilmsaccountedforthemajorityofHollywoodfilmsbecausebothdomesticandforeignmarketswereinfavorofactionmovies.

A.YB.NC.NG

二、3.ListeningComprehension(20题)21.(32)

A.Fifteenthousandmiles.

B.Fivethousandmiles.

C.Fifteenthousandkilometers.

D.Fivethousandkilometers.

22.(24)

A.Itchangesthebody'smetabolismthroughrapidweightgain.

B.Ittricksthebodyintorespondingasifitwereinadifferenttimezone.

C.Itpromotesincreasedalertnessbyaddingsnackstothediet.

D.Itbuildsresistancetoillnessbyincreasingintakeofvitamins.

23.(22)

A.Itisquitegeneral.

B.Mostoftheinformationheneedswillbefoundinnewspapers,

C.Shethinksheshouldchangeit.

D.Itshouldtakeaveryshorttimetofindmaterialonit.

24.(28)

A.In1774.

B.In1765.

C.Intheseventeenthcentury.

D.Inthenineteenthcentury.

25.SectionB

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

听力原文:Theworldisnotonlyhungry;itisalsothirstyforwater.Thismayseemstrangetoyou,sincenearly75%oftheearth'ssurfaceiscoveredwithwater.Butabout97%ofthishugeamountisseawater,orsaltwater.Peoplecanonlydrinkandusetheother3%--thefreshwaterthatcomesfromrivers,lakes,underground,andothersources.Andwecannotevenuseallofthat,becausesomeofitisintheform.oficebergsandglaciers.Evenworse,someofithasbeenpolluted.

Ourneedforwaterisincreasingrapidly.Onlyifwetakestepstodealwiththisproblemnowcanweavoidasevereworldwidewatershortagelateron.Oneusefulstepweshouldtakeistodevelopwaysofreusingit.

Today,inmostlargecities,waterisusedonlyonce.Butitispossibletopipewaterthathasbeenusedtoapurifyingplant.Thereitcanbefilteredandtreatedwithchemicalssothatitcanbeusedagainjustasifitwerefleshfromaspring.

Butevenifeverylargecitypurifiedandreuseditswater,westillwouldnothaveenough.Wherecouldweturnnext?Totheoceans!Allwe'dhavetodotomakeuseofthevastamountofseawateristoremovethesalt.Thissalt-removingprocessisalreadyinuseinmanypartsoftheworld.Soifwetakeallthesesteps,we'llbeinnodangerofdryingup!

(27)

A.Peoplecanusenearly75percentofit.

B.Peoplecanuseabout97percentofit.

C.Peoplecanuseexactly3percentofit.

D.Peoplecanuselessthan3percentofit.

26.(47)

27.听力原文:Helloeverybody,andWelcomebacktothethrillinggameattheTokyoDomewiththeU.S.team.ThegamewiththeJapanesenationalteamisgoingintothesecondhalf,51to26.TheU.S.DreamTeamismadeupofNBAveterans--supposedlythebestwehavetooffers-buttheyneedamiracletodigthemselvesoutofaholeandcomebackatthispoint.

UnfortunatelyfortheDreamTeam,theirleadingscorer,High-FlyWilson,wasejectedoneminuteintothesecondquarterafterclimbingintothestandsandfightingwithaspectatorwhohadcontinuallyheckledWilsonforshootingthreeairballsinarow.AnotherbizarremomentcamelateinthesecondquarterwhentheJapanesecenter,TomohiroSuzuki,sufferedaconcussionandwasknockedoutcoldashecollidedwiththekneeofoneofhisownteammates.Therehavealsobeenseveralotherinjuries,includingthelossofstartingforward,MasaHarada.

SomeofthecoachesontheU.S.teamareattributingtheteam'ssluggishperformancetosomerawfishtheyhadlastnightwhileattendingabanquetintheirhonor.Whoknowswhat'llbenext.OK.Itlookslikewe'rereadyforthesecondhalf.

(33)

A.Theyareleadinginthegame.

B.Thescoreisreallyclose.

C.TheDreamTeamiswaybehind.

D.Theywinthegame.

28.

【B10】

29.【B6】

30.(21)

A.Geology.B.Music.C.Medical.D.Mathematics.

31.(45)

32.(34)

A.Iftheircaretakerabusesthem.

B.Iftheircaretakerscratchestheirbellies.

C.Iftheircaretakerdoesnotcomeacrossasaleader.

D.Iftheircaretakerignoresthem.

33.

【B6】

34.听力原文:Today,airtravelisfarsaferthandrivingacaronabusymotorway.Butthereisthedangerthatgrowseveryyear.Fromthemomenttheairplanetakesofftothemomentitlends,everymomentiswatchedonradarscreens.Airtrafficcontrollerstellthepilotexactlywhentoturn,whentoclimbendwhentocomedown.Thetrafficcontrollersaroundthebusyairportmayhandle1,000planesaday.Anyplanethatfliesneartheairportcomesundertheordersofthecontrollersthere.Everysmallmistakeontheirpartcouldcauseadisaster.Recently,suchadisasteralmosthappened.Twolargejetswereflyingtowardstheairport.Onewascarrying69passengersandhadcomefromToronto,theotherwascarrying176passengersfromChicago.Anairtrafficcontrollernoticedonhisradarscreenthatthetwoplanesweretooclosetoeachother.Heorderedonetoturntotherighttoclimb,buthemadeamistake.Heorderedthewrongplanetodothis.So,insteadofturningawayfromthesecondplane,thefirstplaneturnedtowardsit.15secondslater,itflewdirectlyinfrontofthesecondplane.Theyavoidedeachotherbyasecond.Thedistancebetweenthemwaslessthanthatofalargeswimmingpool.Thisisanexampleofthedangerthatgrowseveryyear.

(30)

A.Badweather.

B.Thelargesizeofairplanes.

C.Mistakesbyairtrafficcontrollers.

D.Crowdedairtraffic.

35.(25)

A.Hefeelsrushed.

B.Hehatestopack.

C.Hedoesn'tliketorestricthisdiet.

D.He'sworriedabouthislecture.

36.听力原文:M:Excuseme,MissLily.ButIwashopingtotalktoyouaboutmypresentationforliterature.

W:Ihaveaclassinafewminutes.Whydon'tyoucomeandseemetomorrowmorninginthedepartmentoffice?

Q:WhenwillthemandiscusshispresentationwithMissLily?

(18)

A.Duringliteratureclass.

B.Thenextday.

C.Inaboutanhour.

D.Beforeliteratureclass.

37.听力原文:M:Ifeelhorrible.DaisywasfuriousthatIlosthernotes.DoyouthinkIshouldapologizeagain?

W:IfIwereyou,I'dlethercooloffafewdaysbeforeIapproachher.

Q:Whatdoesthewomansuggestthemando?

(13)

A.WriteDaisyanoteofapology.,

B.ReturnDaisy'snotesinafewdays.

C.ApologizewhenDaisyislessangry.

D.LethertalktoDaisyaboutthesituation.

38.SectionA

Directions:Inthissection,youwillhear8shortconversationsand2longconversations.Attheendofeachconversation,oneormorequestionswillbeaskedaboutwhatwassaid.Boththeconversationandthequestionswillbespokenonlyonce.Aftereachquestiontherewillbeapause.Duringthepause,youmustreadthefourchoicesmarkedA,B,CandD,anddecidewhichisthebestanswer.

听力原文:W:Ihearyou'reworkingasamarketsurveyorthissummer.It'sgottobeawfullydifficultaskingthesameoldquestionseveryday.

M:Well,itischallengingwork,butIgettomeetlotsofnewpeopleandthepayisdecentenough.

Q:Whatdoesthemanthinkofhisnewjob?

(12)

A.Thejobisnotrewardingbutchallenging.

B.Thejobisbothchallengingandrewarding.

C.Thejobhasbothitsstrengthandweakness.

D.Thejobishardworkandthepayisnotsatisfactory.

39.

【B5】

40.(41)

三、4.ReadingComprehension(ReadinginDepth)(20题)41.

Inthesecondparagraphtheauthorusedanexampletoshowthat______.

A.anyrealestateagentshouldusedigitalstillcamera

B.digitalstillcamerashouldbeusedtogetherwithInternetWeb

C.digitalageisgainingmomentum

D.housedealingcanbemadeeasier

42.

Countingisdifferentfromnumbersenseinthatcountingis______.

A.dependentonsimplermentalactivity

B.akindofabilitypossessedbyman

C.foundinanimalsaswellasman

D.theabilitytodistinguishdifferencesinsmallsetsofobjects

43.

Itistheauthor'sviewthatinhumancivilization,agriculture______.

A.isthemostimportantstepmanhasevermade

B.isonlylessimportantthanthedomesticationofanimals

C.andfireareofthesameimportance

D.canberankedinimportancewiththeinventionofmachines

44.Accordingtothepassage,GMdecidedtograduallybringitsHummerbrandtoanendbecauseof______.

45.

Accordingtothepassage,ateacher'sdutyisto______.

A.providestudentswithhelpwhenitisneeded

B.findoutstudents'mistakesandcorrectingthem

C.teachstudentsknowledgeessentialfortheirfuturelife

D.helpstudentsfindoutcorrectanswers

46.

Whatistheauthor'sopinionoftheSanAntonioproject?

A.Itisclearlythebestoftheprojectsdiscussed.

B.Itisagoodprojectthatcouldbecopiedinothercities.

C.Theextensiveuseofbulldozersmadetheprojectunnecessarilycostly.

D.Theworkdoneontheriverwasmoreimportantthantheworkdoneonthebuildings.

47.(54)

48.

Accordingtothepassage,therulechangesarelikelyto______.

A.provide$90billioninfinancialaid

B.costeachfamilyanaverageof$1,000peryear

C.havearippleeffectacrossfederalincometaxes

D.lowertheamountoffinancialaidprovidedbythegovernment

49.

【C4】

50.AllEskimoslivemostoftheirlivesclosetosaltorfreshwater.Theymayfollowgameinlandforseveralhundredmiles,buttheyalwaysreturntotheshoresofriverslakes,orseas.Eskimolandhasabarelook.Largerocks,pebbles,andsandcovermuchofthesurface.Plantscalledlichen(地衣)growrightonrock.Andwherethereisenoughsoil,evengrass,flowers,andsmallbushesmanagetolive.NotreescangrowonEskimoland,sogeographerssometimescallthiscountrytheArcticplains.Someanimals,suchasrabbitsandcaribou(北美驯鹿),eattheplants.Others,likethewhitefoxandgreywolf,eattherabbitsandcaribou.TheEskimoisameat-eater,too,andmayeveneatawolfwhenfoodisscarce.

TheEskimoyearhastwomainparts:along,coldwinterandashort,coolsummer.Springandfallarealmosttooshorttobenoticed.Summeristhegoodtime,whenfoodisusuallyplentiful.ButitisalsothetimewhentheEskimosareverybusy.Winterisneverfaraway,andthemenmustbringhomeextrameatforthewomentoprepareandstore.Forseldomcanenoughanimalsbekilledinwintertofeedafamily.

TheFarNorthissometimescalledthelandofthemidnightsun.Thisistrueinthemiddleofsummer,forbetweenApril21standAugust21stthesunneversetsinNorthernGreenland.ButinmidwintertheFarNorthisalandwithnosunshiningatall.AroundOct.21sttheEskimosofNorthernGreenlandseethesunsettingstraightsouthofthem,andtheydon'tseeitagainuntilFebruary22nd.Allplacesonearthgetaboutthesameamountofdaylightduringayear.Asaresult,ifsummerislighter,winterhastobedarker.

WinternightsintheFarNorthareseldompitch-blank.Asintherestoftheworld,thestarsandmoonprovidealittlelight,ThenorthernlightsalsohelptheEskimotosee.Andwiththegroundcoveredwithsnow,evenalittlelightisreflectedbacktotheEskimo'seyes.

WhichofthefollowingstatementsisNOTtrue?

A.Eskimosdonotnormallyeatwolves.

B.Eskimosliketochaseoneanother.

C.Eskimosdependheavilyonwater.

D.Eskimosaremeat-eater.

51.

Inadditiontohelpingsavetheanimalincaseofdanger,thecameracan______.

52.Inanordinarymirroryourrighteyestaresatyourrighteyeandyourlefteyeatyourlefteye--theoppositeoftheright-left,left-rightconnectionweemployforassessingoneanotherinthewild.TheimageinaTrueMirror(whichshowswhatyoulookliketoothers)cancomeassomethingofashock.Youtendtolookthewayyoudoinphotographs,whichformanypeopleisalsoashock.(Thisistheflipside(反面)ofthestartyousometimesgetwhenlookingatthereflectedimageofsomeoneyouareaccustomedtoseeinginperson.)AnewspaperheadlinehelduptoaTrueMirrordoesn'tappearbackward--itreadsjustfine.Butyourownfacemayseemoddlyasymmetrical.FacialmannerismsnurturedinfrontofanormalmirrormayinaTrueMirrorberevealedinadifferentlight."Itisawhollynewviewformany,"theTrueMirror'spromotionalliteratureconcedes,"andnotsurprisingly,somedon'tlikeorfeeluncomfortablewiththenewlook."

Anotherissue:inaTrueMirroryouseemtohavefarlesscontroloverthefigureintheglassthanyoudoinanormalmirror.Ifyouturntotherightinfrontofanormalmirror,theimageturnswithyouandendsupfacinginthesamedirection,completingthevisualpalindrome(回文).InaTrueMirrortheimagefacestheotherway,asifyouwereabouttobeginpacingoffforaduelwithyourself;andwhenyoutakeastep,theimagestepsawayfromyou.Inanormalmirroryourreflectedfingercomesouttomeetyourrealoneuntiltheytouch,likeMichelangelo'sGodandAdam.InaTrueMirrorthereflectedfingercomesatyoufromtheothersideoftheglass,asifpointedbytheotherhand.Ordinarily,youhavenodifficultylookingatanormalmirrorandguidingyourhandtoanobjectreflectedinit.TrythiswithaTrueMirror,andyourgraspwillproveerrant.Shavingbecomesabloodsport.Ifallthereviewmi

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