新sat考試備考材料-第6部分可汗學(xué)院全真試題?？季?2套題-khan

Roy&FriendsEducation?SAT???-IMPORTANTANO.2Pencilisrequiredforthetext.Donotuseamechanicalpencilor

SharinganyquestionsisaviolationofTestSecurityandFairnesspoliciesandmayresultinyourscoresbeingReading65MINUTES,55TurntoSection1ofyouranswersheettoanswerthequestionsinthisEachpassageorpairofpassagesbelowisfollowedbyanumberofquestions.Afterreadingeachpassageorpair,choosethebestanswertoeachquestionbasedonwhatisstatedorimpliedinthepassageorpassagesandinanypanyinggraphics(suchasatableor最的新SAT課程,請關(guān)注Roy老師 Question1-11arebasedonthefollowingThispassageisadaptedfromMarkTwain,"RoughingIt."Originallypublishedin1872.MybrotherhadjustbeenappointedSecretaryofNevadaTerritory—anofficeofsuchmajestythatitconcentratedinitselfthedutiesanddignitiesofTreasurer,Comptroller,LineSecretaryofState,andActingernorinthe5absence.Asalaryofeighteenhundreddollarsayearandthetitleof"Mr.Secretary,"gavetothegreatpositionanairofwildandimposinggrandeur.Iwasyoungandignorant,andIenviedmybrother.Icovetedhisdistinctionandhisfinancialsplendor,butparticularlyandespeciallythelong,strange10journeyhewasgoingtomake,andthecuriousnewworldhewasgoingtoexplore.Hewasgoingtotravel!Ineverhadbeenawayfromhome,andthatword"travel"hadaseductivecharmforme.Prettysoonhewouldbehundredsandhundredsofawayonthegreatplainsanddeserts,and15amongthemountainsoftheFarWest,andwouldseebuffaloesandns,andprairiedogs,andanopes,andhaveallkindsofadventures,andhaveeversuchafinetime,andwritehomeandlusallaboutit,andbeahero.Andhewouldseethegoldminesandthesilvermines,andmaybe20aboutofanafternoonwhenhisworkwasdone,andpickuptwoorthreepailfulsofshiningslugs,andnuggetsofgoldandsilveronthehillside.Andbyandbyhewould veryrich,andreturnhomebysea,andbeabletotalkascalmlyaboutSanFranciscoandtheocean,and"theisthmus"25asifitwasnothingofanyconsequencetohaveseenthosemarvelsfacetoface.WhatIsufferedincontemplatinghishappiness,pencannotdescribe.Andso,whenheofferedme,incoldblood,thesublimepositionofprivatesecretaryunderhim,it30appearedtomethattheheavensandtheearthpassedaway,andthefirmamentwasrolledtogetherasascroll!Ihadnothingmoretodesire.Mycontentmentwascomplete.AttheendofanhourortwoIwasreadyforthejourney.Notmuchpackingupwasnecessary,becauseweweregoing35intheoverlandstagefromtheMissourifrontiertoNevada,andpassengerswereonlyallowedasmalltyofbaggageapiece.TherewasnoPacificrailroadinthosefinetimesoftenortwelveyearsago—notasinglerailofit.IonlyproposedtostayinNevadathreemonths—Ihadno40thoughtofstayinglongerthanthat.ImeanttoseeallIcouldthatwasnewandstrange,andthenhurryhometobusiness.IlittlethoughtthatIwouldnotseetheendofthatthree-monthpleasureexcursionforsixorseven monlylongyears!Idreamedallnightaboutns,deserts,andsilver45andinduetime,nextday,wetookshipattheSt.LouiswharfonboardaboatbounduptheMissouriRiver.WeweresixdaysgoingfromSt.Louisto"St.Jo."—atripthatwassodull,andsleepy,andeventlessthatithasleftnomoreimpressiononmymemorythanifitsdurationhad50sixminutesinsteadofthatmanydays.Norecordisleftin

mind,now,concerningit,butaconfusedjumbleofsavage-lookingsnags,whichourboatdeliberaywalkedoverwithonewheel*ortheother;andofreefswhichwebuttedandbutted,andthenretiredfromandclimbedoverinsomesofter55place;andofsand-barswhichweroostedonoccasionally,andrested,andthengotoutourcrutchesandsparredInfact,theboatmightalmostaswellhavegonetoSt.Jo.byland,forshewaswalkingmostofthetime,anyhow—climbingoverreefsandclamberingoversnagspatientlyand60laboriouslyalldaylong.Thecaptainsaidshewasa"bully"boat,andallshewantedwasmore"shear"andabiggerwheel.Ithoughtshewantedapairofstilts,butIhadthedeepsagacitynottosayso.*Thenarratorisonapaddleer,aboatthatusespowertoturnalargewheelintherearoftheboat.11Overthecourseofthepassage,themainfocusshiftsthenarrator’sviewonhisbrother’sjobtothenarrator’shopesforhisowntrip.thenarrator’sjealousyofhisbrothertothenarrator’sanxietyabouthisowntrip.thenarrator’sexpectationsabouttheFarWesttotherealityoflifeintheFarWest.thenarrator’sexcitementabouttravelingwesttothenarrator’sfearofleavinghome.22Asusedinline2,“majesty”mostnearlysolemnbreathtakingimpressiveextreme33Basedonlines7–8,(“I...brother)”itcanreasonablybeinferredthatthenarrator’sisoneofcriticalreflectionuponhispastobjectiveysisofhispriorfondrecollectionofhisrecentregretfulremembranceofhispast4Whichstatementbestcharacterizesthenarrator’srelationshipwithhisbrother?4ThenarratorisdisinterestedinemulatinghisThenarratorissolelymotivatedbyhisbrother’sThenarratorisgenerallyunrealisticabouthisbrother’sThenarratorismostlycriticalofhisbrother’srecent5Whichchoiceprovidesthebestevidencefortheanswertothepreviousquestion?5lines1–5(“My...lines8–11(“I...lines18–22(“And...lines27–28(“What...

Whichsituationismostsimilartothesituationdescribedinparagraph4(lines44–46)?9Whilepayinghisbills,amandaydreamsaboutwinningmoneyinthelottery.9Thenightbeforetheschoolplay,aboyworriesthathewillforgethislines.Onherwaytopractice,asoftballplayerpicturesherselfgoinguptobat.Ashepreparesforadivingexcursion,adiverimaginesfindingsunkentreasure.Asusedinline55,“roostedon”mostnearlymadealaydowntosettledinasingleclimbedtothetop6Attheendofthefirstparagraph,thedescriptionofthebrother’sreturnmainlyservesto6demonstratethatthenarratoriscorrecttobeenviousofhisbrother.callintoquestiontheideathattheFarWestisa“curiousnewworld.”suggestthatthenarrator’sexpectationsabouttheFarWestarefantastical.supportthenarrator’sviewofhisbrother’sjobwithspecificexamplesofitsglamour.

Inthedescriptionoftheboat'smovements,thewords“walked”and“walking”primarilyservetoestablishatone7ItcanbereasonablyinferredfromthediscussionofNevadainparagraph3(lines33–43)thatthenarrator'sstaywas7lessexcitingthanhehadmuchlongerthanhehadmorepleasurablethanhehadmoredangerousthanhehad88Whichchoiceprovidesthebestevidencefortheanswertothepreviousquestion?lines34–37(“Not...lines38–40(“Ionly...lines40–41(“Imeant...lines41–43(“I...Question1-11arebasedonthefollowingThispassageisexcerptedfromLarryGreenemeir,“ForgetPasswords,”?2012byScientificAmerican.ItseemslikesomethingoutofaRobertLudlumspySomeonetriestocoerceyouintorevealingyourcomputersecuritypasswords.Youmightbetemptedtogivein,butitis

ore-maildesignedtocoaxoutthisTheresearcherssaytheyhavetestedtheirapproachon370playerssofarandcontinuetoaddnewparticipantstotheirstudy.Thetestcurrentlyrequiresatleast30minutesof55trainingtogetreliableresults."Itisunlikelythattrainingtimecanbeshrunkmuchbecausethistypeofbraintakestimetogettrained,"Bojinovsays."Itmaybetoreducetheauthenticationtime[thatfollowstraining],butitisyettobeseenhowmuch."...Lineimpossibleforyoutorevealyourauthenticationcredentials. Whetherthisapproachispracticaldependsupon5Youdonotactuallyknowthembecausetheyaresafelyburieddeepwithinyoursubconscious.Soundsabitextremejusttomakesurenoonecanlogontoyourlaptoporsmartphone,butateamofresearchersfromStanfordandNorthwesternuniversitiesaswellasSRI10Internationalisnonethelessexperimentingatthecomputer-,cognitive-andneuroscienceintersectiontocombatidentitytheftandshoreupcybersecurity-bytakingadvantageofthehumanbrain’sinnateabilitiestolearnandrecognizepatterns.Theresearchersarestudyingwaystocovertlycreate15storesecretdatawithinthebrain'scorticostriatalmemorysystem,whichisresponsibleforremindingushowtodothings.Whena needstoaccessacomputer,networkorsomeothersecuresystem,theywouldusespecialauthenticationsoftwaredesignedtoteaseoutthatsecretdata. Totestthisconcept,theresearchersdevisedacomputergamerequiringplayerstotapbuttonsonakeyboardaslargeblackdotsdescendingdowntheirscreencrossahorizontalline-verysimilarinconcepttothe gameGuitarHero.Duringaninitialtrainingsessionlastingfrom30minutes25anhour,thedotsfallatdifferentspeedsandinvariouslocations,formingpatternsthatrepeatuntilparticipantseadeptathittingtheappropriatebuttonsattherighttime.Ineffect,users'corticostriatalmemory esadeptatrepeatingaparticularpatternovertime,suchasdialing30phonenumberortyawordonakeyboardwithoutlookingatone'sfingers.Theresearchersrefertothisas"serialinterceptionsequencelearning"training,duringwhichaunwittinglylearnsaspecificsequenceofkeystrokesthat35laterbeusedtoconfirmthat 'sidentity.Tologonto,forexample,aWebsite,theuserwouldplaythegamethesameeachtimethatpatternofdotsappears,provinghisidentityandallowinghimaccess."Whiletheplantedsecretcanbeusedfor40theparticipantcannotbecoercedintorevealingitsinceheorshehasnoconsciousknowledgeofit,"accordingtotheresearchersinastudytheypresentedAugust8attheUSENIXSecuritySymposiuminBellevue,Wash.Ascurrentlyconceived,theimplicitlearningapproachbeing45studiedmightprotectagainstsomeoneeitherforcingortrickingyoutorevealapassword,saysleadauthorHristoBojinov,aStanfordUniversityPh.D.computersciencecandidate.Suchcoercioncouldtaketheformofphysicalorverbalthreatsdemandingyourpasswordorothersecurity50credentials,oritcouldbeaseeminglylegitimatephone

systembeingdefended.Itisunlikely,forexample,thatYahooorwouldimplementthisapproachtosecurityfortheirfreee-mailservices.Wouldsomeonewanttoplayagameforseveralminuteseverytimetheywanttologonto65theire-mail?A ernmentfacilityhousingnuclearweapons,however,couldbetterjustifythetimecommitmentrequiredtologinusingthesequencelearningmethod,particularlyifusersloginonceeachdayandsuchanapproachpromisestoimprovesecurity,saysNicolas70Christin,associatedirectorofCarnegieMellonUniversity'sInformationNetworkingInstitute.TheaveragetrainingsequenceadvantagegainedbyparticipantsovertheperiodofseventrainingHristoBojinov,etal,"NeuroscienceMeetsCryptography:DesigningCryptoPrimitivesSecureAgainstRubberHoseAttacks."?2012byHristoBojinov,etal.Overthecourseofthepassage,themainfocusshiftsarejectionofhypotheticalscenariostothedismissalofthesescenarios.adescriptionofaresearchstudytoadiscussionofthestudy’spossibleapplications.anexplanationofscientificworktoanargumentabouttheethicsofusingthisworkindifferentways.theapplicationofonescientificstudytoaconsiderationofthatstudy’sresultsforanentirescientificfield.Themainpurposeofparagraphoneisshowthatscienceandliteraturehavemoreincommonthanmostpeoplerealize.explainaseeminglynewtechnologybyshowingthatithasactuallybeeninuseforyears.demonstratethatthetechnologiesdiscussedinthearticlearetoocomplexformostreaderstoroducethesubjectwithacompellinghypotheticalThewords“covertly”and“secret,”lines14–15,primarilyservetohighlighttheparticipant’slackofconsciousknowledgeoftheir“password.”demonstratethatnoteventheresearchersknowhowtheexperimentworks.arguethattheexperiment,asdescribed,isinjectacolorfulcharacterizationoftheresearchintoastraightforwardtext.

Whichchoiceprovidesthebestevidencefortheanswertothepreviousquestion?lines39–41(“While...lines43–46(“As...lines48–51(“Such...lines52–54(“Theresearchers...TheauthorsimplythatthesequencelearningmethodwouldbemostusefulforsitesthatrunriskshighenoughtomakethetimeinvestmentprovideaccesstothegeneralpubliconadailyservetheernmentbyhousingnucleartargetresearcherswithanacademicWhichchoiceprovidesthebestevidencefortheanswertothepreviousquestion?lines57–59(“Itmay...lines60–63(“Whether...lines63–65(“Would...lines65–67(“Aernment...Accordingtothegraph,thegreatestgaininadvantagecamebetweentrainingblocks1and3and5and6andAsusedinline32,“serial”mostnearlyTheauthorsimplythatsubjectswhousedthesequencelearningmethodcouldnotbeforcedortrickedintorevealingtheirpasswordsbecausethesubjectswillsoonforgettheirwillnotbeabletokeepupwiththechangingdon’tknowwhatthepasswordsdonothaveaccesstocertainsites’password

Accordingtothepassage,oneexplanationfortheriseinfinaladvantageasshownbythegraphisthatusersworkedtomemorizedifferentpatternsoveraperiodoftime.researchersprogrammedvariouspatternsintothemindsofthesubjects.onlyaselectgroupofpeoplearegoodatrememberingsubjects’corticostriatalmemoriesbegantostoreandrepeatpatterns.Theaveragefinaladvantageforparticipantsinthestudy,asshownbythegraph,isclosesttoQuestion1-11arebasedonthefollowingThispassageisexcerptedfromtheEcologicalSocietyofAmerica,"HumanAlterationoftheGlobalNitrogenCycle:CausesandConsequences."?1997bytheEcologicalSocietyofAmerica.Nitrogenisanessentialcomponentofproteins,geneticmaterial,chlorophyll,andotherkeyorganicmolecules.Allorganismsrequirenitrogeninordertolive.ItranksbehindLineoxygen,carbon,andhydrogenasthemostcommon5elementinlivingtissues.Untilhumanactivitiesbegantoalterthenaturalcycle,however,nitrogenwasonlyscantilyavailabletomuchofthebiologicalworld.Asaresult,nitrogenservedasoneofthemajorlimitingfactorsthatcontrolledthedynamics,biodiversity,andfunctioningof10manyTheEarth’satmosphereis78%nitrogengas,butmostplantsandanimalscannotusenitrogengasdirectlyfromtheairastheydocarbondioxideandoxygen.Instead,plants-andallorganismsfromthegrazinganimalstothe15tothe posersthatultima ysecuretheirnourishmentfromtheorganicmaterialssynthesizedbyplants-mustwaitfornitrogentobe“fixed,”thatis,pulledfromtheairandbondedtohydrogenoroxygentoforminorganiccompounds,mainlyammoniumandnitrate,thattheycanuse. TheamountofgaseousnitrogenbeingfixedatanygiventimebynaturalprocessesrepresentsonlyasmalladditiontothepoolofpreviouslyfixednitrogenthatcyclesamongthelivingandnonlivingcomponentsoftheEarth’secosystems.Mostofthatnitrogen,too,isunavailable,lockedupinsoil25organicmatter-partiallyrottedplantandanimalremains-thatmustbe posedbysoilmicrobes.Thesemicrobesreleasenitrogenasammoniumornitrate,allowingittoberecycledthroughthefoodweb.Thetwomajornaturalsourcesofnewnitrogenenteringthiscyclearenitrogen-30fixingorganismsandNitrogen-fixingorganismsincludearelativelysmallnumberofalgaeandbacteria.Manyofthemlivefreeinthesoil,butthemostimportantonesarebacteriathatformclosesymbioticrelationshipswithhigherplants.Symbiotic35nitrogen-fixingbacteriasuchthetheRhizobia,forinstance,liveandworkinnodulesontherootsofpeas,beans,alfalfa,andotherlegumes.Thesebacteriamanufactureanenzymethatenablesthemtoconvertgaseousnitrogendirectlyintoplantusableforms. Lightningmayalsoindirectlytransformatmosphericnitrogenintonitrates,whichrainontosoil.fyingtherateofnaturalnitrogenfixationpriortohumanalterationsofthecycleisdifficultbutnecessaryforevaluatingtheimpactsofhuman-drivenchangestotheglobal45cyclingofnitrogen.Thestandardunitofmeasurementforyzingtheglobalnitrogencycleistheteragram(abbreviatedTg),whichisequaltoamillionmetrictonsofnitrogen.Worldwide,lightning,forinstance,fixesless

10Tgofnitrogenperyear-maybeevenlessthan550Microbesarethemajornaturalrsofnewbiologicallyavailablenitrogen.Beforethewidespreadplantingoflegumecrops,terrestrialorganismsprobablyfixedbetween90and140Tgofnitrogenperyear.Areasonableupperboundfortherateofnaturalnitrogenfixationonlandisthusabout14055TgofnitrogenperDuringthepastcentury,humanactivitiesclearlyhaveacceleratedtherateofnitrogenfixationonland,effectivelydoublingtheannualtransferofnitrogenfromthevastbutunavailableatmosphericpooltothebiologicallyavailable60forms.Themajorsourcesofthisenhancedsupplyincludeindustrialprocessesthatproducenitrogenfertilizers,thecombustionoffossilfuels,andthecultivationofsoybeans,peas,andothercropsthathostsymbioticnitrogen-fixingbacteria.Furthermore,humanactivityisalsospeedingupthe65releaseofnitrogenfromlong-termstorageinsoilsandorganicmatter.Industrialfixationofnitrogenforuseasfertilizercurrentlytotalsapproximay80Tgperyearandrepresentsbyfarthelargesthumancontributionofnewnitrogentotheglobal70cycle.Thatfiguredoesnotincludemanuresandotherorganicnitrogenfertilizers,whichrepresentatransferofalready-fixednitrogenfromoneplacetoanotherratherthannew Untilthelate1970s,mostindustriallyproducedfertilizerwasappliedindevelopedcountries.Useintheseregionshasnowstabilizedwhilefertilizerapplicationsindevelocountrieshaverisenmoredramatically.Themomentumofhumanpopulationgrowthandincreasingurbanization80ensuresthatindustrialfertilizerproductionwillcontinueathighandlikelyacceleratingratesfordecadesinordertomeettheescalatingdemandforfood.Nitrogenfertilizeruse(estimated)intheUnitedStates,1964-TomPhilpott,"ABriefHistoryofOurDeadlyAddictiontoNitrogenFertilizer.”?2013byMotherJonesMagazine.Theauthor’scentralclaiminthepassageishumanactivitiesarehasteningtherateatwhichnitrogenisfixedintobiologicallyusefulforms.nitrogenisanecessarysymbioticcomponenttosustainlifeonearthandkeepecosystemsinbalance.industrialuseoffertilizerhascontributedtotheriseoffixednitrogen,outpacingtheoutputoforganicnitrogen.develocountriesneedtocontinuetheiruseoffertilizerinordertomeetrisingagriculturaldemands.Inthepassage,theauthorindicatesthatisderivedprimarilyfromlightningandindustrialismoreessentialthanoxygen,carbon,andismostlyaminorfactorinregulatingisnecessarytosustainbiologicallifeandInline15,“secure”mostnearlyAccordingtoparagraph6,themainpurposeofnaturalnitrogenfixationistosupportclaimsabouttheconsequenceofhumanenterpriseonnitrogenfixationrates.establishaunitofmeasurementtoprovideabaselineforfixedratesofvideexamplesoftheimpactsonnitrogenreleasefromlightningandmicrobes.cautionreadersabouttheenvironmentaleffectsofnitrogenreleaseontheecosystem.

Inline63,“symbiotic”mostnearlyTheauthorimpliesthathumansarealteringthenaturalcycleofnitrogenbystabilizingthefoodwebchainofusingindustrialfertilizerandfossilexpandingbiodiversityanddecreasingthereleaseoffixedWhichchoiceprovidesthebestevidencefortheanswertothepreviousquestion?lines56–60(“During...lines60–64(“The...lines64–66(“Furthermore...lines67–70(“Industrial...Howdoesthedatainthegraphsupporttheauthor’spointinthelastparagraph?Thegraphindicatesthattheuseoffertilizeroncornindevelopedcountriesisrisingfasterthantheoveralluseoffertilizer.ThegraphstrengthenstheargumentthatfertilizerproductionmustbehaltedinordertoreducenitrogenThegraphsuggeststhaturbanizationwillleadtoarapidaccelerationofnitrogenfertilizerproductionintheUnitedStates.Thegraphsupportstheclaimthatfertilizerproductionindevelopedcountrieshaslargelystabilized.Whichchoiceprovidesthebestevidencefortheanswertothepreviousquestion?lines42–45(“fying...lines45–48(“The...lines48–51(“Worldwide...lines51–53(“Before...

ThemainpurposeoftheinformationinthegraphisshowtherelationshipovertimebetweenoverallfertilizeruseintheUnitedStatesandtheamountusedtogrowcorn.illustratetheeffectofoverallnitrogenfertilizeruseontheenvironmentintheUnitedStates.forecasttheproductionofnitrogenfertilizeruseintheUnitedStatesoverthecomingcentury.indicatetheinherentriskinincreasingproductionofnitrogenfertilizeruseanditsimpactonthecornindustry.Thegraphindicatesthat,between1960and2010,theUnitedStates’nitrogenfertilizerusehasremainedfallenoff,thenincreasedtripledindecreasedQuestion1-11arebasedonthefollowingThispassageisadaptedfromJohnMuir,“SavetheRedwoods."Originallypublishedin1920inSierraClubWeareoftentoldthattheworldisgoingfrombadtoworse,sacrificingeverythingtomammon*.ButthisrighteousuprisingindefenseofGod’streesinthemidstofLineexcitingpoliticsandwarsislingadifferentstory,5everySequoia,Ifancy,hasheardthegoodnewsandiswavingitsbranchesforjoy.Thewrongsdonetotrees,wrongsofeverysort,aredoneinthedarknessofignoranceandunbelief,forwhenlightcomestheheartofthepeopleisalwaysright.Forty-sevenyearsagooneoftheseCalaveras10KingSequoiaswaslaboriouslycutdown,thatthestumpmightbehadforadancing-floor.Another,oneofthefinestinthegrove,morethanthreehundredfeethigh,wasskinnedalivetoaheightofonehundredandsixteenfeetfromthegroundandthebarksenttoLondontoshowhowfineandbig15thatCalaverastreewas—assensibleaschemeasskinningourgreatmenwouldbetoprovetheirgreatness.NowsomemillmenwanttocutalltheCalaverastreesintolumberandmoney.Butwehavefoundabetteruseforthem.Nodoubtthesetreeswouldmakegoodlumberafterpassingthrougha20sawmill,asGeorgeWashingtonafterpassingthroughthehandsofaFrenchcookwouldhavemadegoodfood.ButbothforWashingtonandthetreethatbearshisnamehigheruseshavebeenfound.CouldoneoftheseSequoiaKingscometotowninall25godlikemajestysoastobestrikinglyseenandallowedtopleaditsowncause,therewouldneveragainbeanylackofdefenders.AndthesamemaybesaidofalltheotherSequoiagrovesandforestsoftheSierrawiththeircompanionsandthenobleSequoiasempervirens,orredwood,ofthecoast30InthesenoblegrovesandforeststothesouthwardoftheCalaverasGrovetheaxeandsawhavelongbeenbusy,andthousandsofthefinestSequoiashavebeenfelled,blastedintomanageabledimensions,andsawedintolumberby35methodsdestructivealmostbelief,whilefireshavespreadstillwiderandmorelamentableruin.ForthethousandsofacresofSequoiaforestoutsideofthereservationandnationalparks,andinthehandsoflumbermen,nohelpisinsight.Probablymorethanthree40timesasmanySequoiasasarecontainedinthewholeCalaverasGrovehavebeencutintolumbereveryyearforthelasttwenty-sixyearswithoutletorhindrance,andwithscarceawordofonthepartofthepublic,whileatthefirstwhisperofthebondingoftheCalaverasGroveto45lumbermenmosteverybodyroseinalarm.ThisrighteousandlivelyindignationonthepartofCaliforniansafterthelongperiodofdeathlikeapathy,inwhichtheyhavewitnessedthedestructionofothergrovesunmoved,seemsstrangeuntiltherapidgrowththatrightpublicopinionhasmadeduringthe

50lastfewyearsisconsideredandthepeculiarinterestthatattachestotheCalaverasgiants.Theywerethefirstdiscoveredandarebestknown.Thesekingsoftheforest,thenoblestofanoblerace,rightlybelongtotheworld,butastheyareinCaliforniawecannotescaperesponsibilityastheir55guardians.FortunaytheAmericanpeopleareequaltothistrust,oranyotherthatmayarise,assoonastheyseeitandunderstandit.Anyfoolcandestroytrees.Theycannotdefendthemselvesorrunaway.Andfewdestroyersoftreesever60plantany;norcanplantingavailmuchtowardrestoringourgrandaboriginalgiants.IttookmorethanthreethousandyearstomakesomeoftheoldestoftheSequoias,treesthatarestillstandinginperfectstrengthandbeauty,wavingandsinginginthemightyforestsoftheSierra.Throughallthe65eventfulcenturiessinceChrist’stime,andlongbeforethat,Godhascaredforthesetrees,savedthemfromdrought,disease,avalanches,andathousandstorms;buthecannotsavethemfromsawmillsandfools;thisislefttotheAmericanpeople.ThemainpurposeofthepassageisincreaseawarenessofthefragilityofforestencouragesupportforthepreservationofnaturalclarifythegoalsoftheemergingnaturalistshedlightonadebateaboutenvironmentalWhichchoicebestdescribestheauthor’s HeisawestruckbyitsspiritualHeisunimpressedbyitsmaterialHeisincredulousoveritsswiftHeisashamedofitsexploitationbyThepassagemakesthemostextensiveuseofwhichtypeofExpertLogicalEmotionalalItcanbeinferredfromthefirstparagraphthattheauthorbelievesthatpeopleprimarilyarevictimsofacruelenergizedbyself-servingandWhichchoiceprovidesthebestevidencetotheanswertothepreviousquestion?lines1–2(“Weare...lines2–4(“Butthis...lines6–9(“Thewrongs...lines16–18(“Nowsome...Themainpurposeoftheauthor’scommentaboutGeorgeWashington(lines20–21)ismostlikelytoridiculetheideaofvaluingutilityabovealludetothehistoricalageoftheequatetheSequoiaswithasymbolofdownplaytheseriousnessoftheloggingAsusedinline22,“higher”morenearly

Inparagraph4(lines52–55),thereferencestotheSequoiasaskingsandas“thenoblestofanoblerace”primarilyservecreateavividimagetoemphasizetheimmenseheightofthetrees.conveythesuperiorityoftheSequoiastoothertreesinhighlightthebeautyofthetreesinCalaverasGroveinifythetreestogeneratecompassionfortheirAcentralclaiminthepassageishumansstrugglewiththedesiretocontrolnaturewillalwaysbeatthemercyofhumanhumansareentrustedwiththecareoftheir esmoreprecioustohumansaftertheyseeitdestroyed.Whichchoiceprovidesthebestevidencefortheanswertothepreviousquestion?lines45–51(“Thisrighteous...lines52–53(“Theywere...lines58–59(“Anyfool...runlines64–69(“Throughall...ItcanreasonablybeinferredfromthediscussionofthethousandsofacresofSequoiaForest(lines37–39)lawmakershavebeenslowertoprotectnaturalsitesinCaliforniathaninotherstates.lawshavealreadybeenestablishedtoprotectnaturalsitesinsomeareasofthestate.citizenshavewonlegalbattlesagainstloggersandmillingcompaniestheSequoiasinCalaverasGrovehavebeenclassifiedasQuestion1-11arebasedonthefollowingThispassageisexcerptedfromCarlyWood,ValierGladwellandJoBarton,“ARepeatedMeasuresExperimentofSchoolPlayingEnvironmenttoIncreasePhysicalActivityandEnhanceSelf-EsteeminUKSchoolChildren.”?2014byWoodetal.Thehealthbenefitsofengaginginphysicalactivity(PA)duringchildhoodincludeenhancedfitness,cognitivefunctionandbonehealth;reducedbodyfatness,motorskillLinedevelopment,andfavourablecardiovascularand5diseaseriskprofiles.Beingactiveduringchildhoodcanalsoimproveself-esteemandreducesymptomsofanxietyanddepression.ParticipationinPAinyouthisofgreatimportanceasPAmaytrackintoadulthoodwhereadequatelevelsofPAareprotectiveagainstmanychronicdiseases.10However,intheUKapproximay75%ofboysand80%ofgirlsaged5–10yearsarenotmeetingthedailymendationof60minutesofmoderatetovigorousphysicalactivity...Unstructuredplayisalsoanessentialpartof15whichenableschildrentodeveloparelationshipwiththeirsurroundingenvironmentandenhancessocialskills,coordinationandstrength.OutdoorenvironmentsfacilitateplayandareassociatedwithincreasedlevelsofPA.Thus,childrenshouldbeprovidedwithdailyopportunitiestoplay20outdoors.Theschoolenvironmentprovidessuchanopportunitythroughtheprovisionofplaytime.Playtimenormallytakesplaceontheconcreteschoolplaygroundandlastsforatleastonehourperday.How