Pre SAT 全真模拟试题（含详细答案解析）

PreSAT全真模拟试题（含详细答案解析）说明：本套PreSAT试题严格贴合官方考试题型、难度及出题逻辑，适配初高中衔接备考、SAT基础摸底测试。整套试题分为阅读、文法、数学三个部分，题型分值、答题节奏完全对标官方标准，答案附带逐题详细解析，适配自主刷题、查漏补缺使用。考试时长：120分钟|满分：1600分|适用：SAT零基础/基础备考阶段第一部分：阅读Reading（52题，65分钟）本部分包含小说、历史文献、社科、科学四类文章，所有题目均为单项选择题，选出最佳选项。Passage1Fiction（小说）Lilahadspenteverysummerofherchildhoodathergrandmother’scoastalcottage,aweatheredwhitehouseperchedoncliffsoverlookingtheAtlantic.Forsixteenyears,thecottagehadbeenhersafeharbor—aplacewhereschoolpressures,friendconflicts,anddailyworriesmeltedawaywiththeincomingtide.Butthissummer,everythingfeltdifferent.Grandma’shands,oncesteadyenoughtoknitendlessscarvesandmendoldfishingnets,nowtrembledslightlywhenshepouredtea.Herlaughter,onceloudandwarmenoughtofilleveryroom,wassofter,quieter.Lilahadtriedtoignorethechangesduringherbriefwintervisits,butthelong,slowdaysofsummermadethemimpossibletooverlook.Onthethirdmorningofherstay,Lilawalkeddownthewindingdirtpathtothesmallbeachwhereshe’dspentcountlesshourscollectingshellsandskippingstones.Thebeachwasunchanged:smoothgraypebbles,foamybluewaves,seagullscirclinghighabovethewater.YetLilafeltastrangehollowsadnesssettleinherchest.Sherealizedforthefirsttimethattimedidnotstandstillforanyone,notevenforthegrandmotherwhohadalwaysfelteternal,unbreakable.ShereturnedtothecottageatmiddayandfoundGrandmasittingonthewoodenporch,flippingthroughatatteredphotoalbum.“Iwasjustlookingatpicturesofyouasalittlegirl,”Grandmasaid,smilinggently.“Youusedtorundownthispathsofastyou’dtripoveryourownfeet.”Lilasatbesideher,restingherheadontheolderwoman’sshoulder.“Iremember,”shewhispered.Inthatmoment,hersadnessfadedintosomethingsofter:gratitude.Thecottage,thebeach,thequietsummerdays—thesememorieswerenotfading.Theywererooteddeep,apermanentpartofwhoshewas.Timepassed,butloveandmemoryendured.Questions1-51.ThemainpurposeofthepassageistoA)describethesceneryofacoastalbeachandcottageB)exploreacharacter’semotionalrealizationabouttimeandmemoryC)illustratetheclosebondbetweenagranddaughterandgrandmotherD)contrastchildhoodandadultattitudestowardnature2.Asusedinline4,“harbor”mostnearlymeansA)shelterB)portC)escapeD)memory3.WhatcanbeinferredaboutLila’swintervisitstothecottage?A)TheyweretooshortforhertonoticesubtlechangesinhergrandmotherB)TheymadeherfeelmoreanxiousthanhersummerstaysC)TheyfocusedprimarilyonreviewingoldfamilyphotosD)Theyallowedhertoavoiddailyschoolstress4.Whichchoiceprovidesthebestevidencefortheanswertothepreviousquestion?A)Lines1-4(“Lilahadspent…incomingtide.”)B)Lines5-8(“Grandma’shands…impossibletooverlook.”)C)Lines9-12(“Onthethirdmorning…skipstones.”)D)Lines13-16(“Shereturned…ownfeet.”)5.ThefinalparagraphservesmainlytoA)resolvethenarrator’sinitialsenseofsorrowB)explaintheoriginofthenarrator’schildhoodmemoriesC)emphasizethepermanentchangesbroughtbytimeD)highlightthebeautyofthecoastalenvironmentPassage2SocialScience（社科）Manypeoplebelievethatmultitasking—completingmultipletasksatonce—improvesproductivityandsavestime.Studentsstudywhilewatchingvideos,officeworkersdraftemailswhileattendingvirtualmeetings,andparentscookdinnerwhileansweringtextmessages.Thishabitiswidelyviewedasausefulskillforbusymodernlife.However,psychologicalresearchoverthepasttwodecadeshasconsistentlyproventheopposite:multitaskingsignificantlyreducesfocus,accuracy,andoverallefficiency.Thehumanbrainisnotdesignedtoprocesstwocomplexcognitivetaskssimultaneously.Insteadofcompletingtasksinparallel,thebrainrapidlyswitchesattentionbetweendifferentactivities.Thisconstantswitchingcreatesamental“switchingcost,”ahiddendrainonmentalenergythatmostpeopledonotrecognize.A2022studyconductedatamajoruniversitytrackedover300youngadultsoversixmonths.Participantsweredividedintotwogroups:onegroupwasinstructedtomultitaskduringdailyworkandstudy,whiletheothergroupfocusedonsingletasksexclusively.Theresultsshowedthatthemultitaskinggroupcompletedtasks40percentslowerandmade25percentmoreerrorsthanthesingle-taskgroup.Additionally,participantswhomultitaskedreportedhigherlevelsofmentalfatigueandstressattheendofeachday.Researchersexplainthatfocusedsingle-taskingallowsthebraintoenterastateofdeepconcentration,oftencalled“flow.”Inthisstate,peopleprocessinformationmoredeeply,retainknowledgebetter,andproducehigher-qualitywork.Multitaskingpreventstheformationofthisfocusedstate,keepingthebraininaconstantstateofmilddistraction.Whilesimplephysicaltaskscanbepairedwithmentaltaskswithoutmajorcost—suchaswalkingwhilelisteningtoapodcast—complextasksrequiringcriticalthinking,planning,ormemorizationcannotbeeffectivelymultitasked.Expertssuggestthattoimproveproductivity,peopleshouldprioritizesingle-taskwork,setasidededicatedtimeforspecifictasks,andeliminateunnecessarydistractionsduringworkhours.Questions6-106.ThecentralclaimofthepassageisthatA)modernlifecreatesunnecessarydistractionsforworkersandstudentsB)multitaskinglowersproductivityandincreasesmentalstrainC)single-taskingisonlyeffectiveforcomplexacademictasksD)psychologicalresearchonhumancognitionhasadvancedgreatly7.Asusedinline12,“simultaneously”mostnearlymeansA)thoroughlyB)atthesametimeC)efficientlyD)independently8.Theauthorusesthe2022studyresultsprimarilytoA)provideempiricalevidenceagainstthebenefitsofmultitaskingB)comparedifferentstudymethodsforuniversitystudentsC)provethatmentalfatigueaffectsallmodernworkersD)explainhowthehumanbrainprocessescomplexinformation9.Itcanbeinferredfromthepassagethat“flow”isastateofA)relaxeddistractionB)deepmentalfocusC)rapidtaskswitchingD)lowmentalenergy10.Whichsituationwouldtheauthormostlikelyrecommendavoiding?A)WalkingwhilelisteningtoaneducationalpodcastB)CookingsimplemealswhilereplyingtoshortmessagesC)StudyingforamathtestwhilewatchingshortvideosD)CleaningaroomwhilelisteningtomusicPassage3Science（自然科学）BeesareoneofthemostimportantpollinatorsonEarth,supportingthegrowthofnearly75percentofglobalfoodcrops.Fordecades,scientistshaveobservedasteadydeclineinwildanddomesticbeepopulationsworldwide,aphenomenonknownascolonycollapsedisorder(CCD).Formanyyears,researchersbelievedpesticideusewastheprimarycauseofCCD,butrecentstudiesrevealacombinationoffactorsisresponsible.Pesticidesdoposeathreattobeehealth,disruptingtheirnavigationandforagingabilities.Beesexposedtolowlevelsofcommonpesticidesstruggletofindtheirwaybacktotheirhivesaftercollectingnectar.However,pesticideusealonecannotexplainthewidespreadpopulationdeclineseenacrossruralandurbanregions.Habitatlossisanothercriticalfactor.Ashumanpopulationsexpand,naturalwildflowermeadowsandnativeplanthabitatsareconvertedintofarmland,housingdevelopments,androads.Thiseliminatesthediversefoodsourcesbeesrelyon.Modernagriculturalfieldsoftengrowonlyasinglecrop,whichprovidesnectarforashortperiodeachyear,leavingbeeswithoutfoodformostofthegrowingseason.Athirdkeyfactoristhespreadofparasiticmites.Thesetinypestsinvadebeehives,feedonbeebodies,andspreadharmfulviruses.Weakenedbeesarelessabletoresistdisease,leadingtoentirecolonydeathsduringwintermonths.Thankfully,simplehumaninterventionscansupportbeerecovery.Plantingnativewildflowersinhomegardens,reducingunnecessarypesticideuse,andpreservingnaturalgreenspacescansignificantlyimprovebeehabitatandfoodaccess.Sustainablefarmingpracticesthatrotatecropsandmaintainwildplantbordersaroundfieldsalsohelpsustainhealthybeepopulations.Questions11-1511.ThepassageisprimarilyconcernedwithA)explainingthemultiplecausesofbeepopulationdeclineandsolutionsB)arguingthatpesticidesarenotharmfultowildbeecoloniesC)comparingbeepollinationmethodsinruralandurbanareasD)describingthelifecycleofcommonparasiticmites12.Accordingtothepassage,whydosingle-cropfarmlandsharmbees?A)TheyareheavilytreatedwithdangerouspesticidesB)TheyonlyprovidenectarforalimitedtimeeachyearC)TheyattractlargenumbersofparasiticmitesD)Theyreplacedisease-resistantnativeplantspecies13.Asusedinline22,“sustain”mostnearlymeansA)tolerateB)supportC)prolongD)restore14.TheauthorindicatesthatcolonycollapsedisorderiscausedbyA)pesticideuseasthesinglemaincauseB)habitatlossexclusiveofotherfactorsC)acombinationofenvironmentalandbiologicalfactorsD)unregulatedurbandevelopmentalone15.Whatistheauthor’sattitudetowardthefutureofbeepopulations?A)Pessimistic,asbeedeclineisirreversibleB)Cautiouslyoptimistic,ashumanactionscanaidrecoveryC)Uncertain,asresearchdataisincompleteD)Skeptical,assolutionsrequireextremepolicychanges第二部分：文法Writing&Language（44题，35分钟）本部分要求修改段落语法、句式、标点、逻辑衔接问题，提升文本规范度与流畅度，所有题目为单项选择。Passage1Communitygardeningisapopularandrewardinghobbyforurbanresidents.(1)Itallowscitydwellerstogrowtheirownfreshproduce,italsocreatessharedpublicspacesthatbuildneighborhoodconnection.Manycitiesnowofferfreecommunitygardenplotstoresidents.Thesesmallgreenspacesreduceurbanheat,improveairquality,and(2)providingapeacefulescapefrombusycitylife.Gardenersofallagesandskilllevelsparticipate.Beginnerslearnbasicplantingandwateringtechniquesfromexperiencedneighbors,whileseasonedgardenersexperimentwithnewplantvarieties.Workingsidebyside,residentsformfriendshipsthat(3)strengthencommunitybondsfarbeyondthegardenfence.Communitygardensalsosupportenvironmentalsustainability.Unlikegrocerystoreproduce,home-grownvegetablesrequirenolong-distancetransportation,(4)thiscutsdownoncarbonemissions.Additionally,communitygardensoftenuseorganicgrowingmethods,avoidingharmfulchemicalfertilizersthatdamagesoilandwatersystems.Questions1-41.A)NOCHANGE

B)Itallowscitydwellerstogrowtheirownfreshproduce;italsocreates

C)Itallowscitydwellerstogrowtheirownfreshproduceitalsocreates

D)Itallowingcitydwellerstogrowtheirownfreshproduce,alsocreating2.A)NOCHANGE

B)provide

C)provides

D)provided3.A)NOCHANGE

B)strengthens

C)strengthening

D)willstrengthens4.A)NOCHANGE

B)whichcuts

C)cutting

D)thiscutPassage2Thehistoryofhandmadebookbindingdatesbackthousandsofyears.Earlybookswereboundwithsimpleleatherstrapsandwoodencovers,designedtoprotectfragilehandwrittenpages.(5)Overtime,craftspeopledevelopedmoredetailedtechniques,theyaddeddecorativestitching,embossedpatterns,andcoloredaccentstobookcovers.BytheMiddleAges,bookbindinghadbecomearespectedprofessionaltrade.Monksandskilledartisanscreatedelaboratebooksforchurchesandwealthyfamilies.Thesebookswererareandprecious,(6)thereforemostordinarypeoplehadnoaccesstowrittenknowledge.Theinventionoftheprintingpresschangedeverything,makingbooksmoreaffordableandaccessibletothepublic.Today,handmadebookbindingisbothapracticalskillandacreativeart.Modernbookbindersrestoreoldantiquebooks,createcustomjournals,anddesignuniqueartpieces.(7)Itspopularitycontinuestogrow,aspeopleseekhandmade,meaningfulitemsinaworldofmass-producedgoods.Questions5-75.A)NOCHANGE

B)Overtime,craftspeopledevelopedmoredetailedtechniques;theyadded

C)Overtimecraftspeopledevelopedmoredetailedtechniquestheyadded

D)Overtime,craftspeopledevelopingmoredetailedtechniquesandadding6.A)NOCHANGE

B)moreover

C)however

D)similarly7.A)NOCHANGE

B)Their

C)It’s

D)They’re第三部分：数学Math（无计算器）（20题，25分钟）本部分为无计算器数学运算，包含代数、方程、比例、几何、基础统计题型，1-15题为选择题，16-20题为填空题。MultipleChoiceQuestions1.If3x+7=22,whatisthevalueofx?

A)3B)5C)7D)92.Simplifytheexpression:4(2x-3)+5x

A)13x-12B)8x-12C)9x-3D)13x+123.Abookstoresells3booksfor$18.Atthisrate,howmuchdo7bookscost?

A)$36B)$42C)$48D)$544.Ify=2x+4andx=3,whatisthevalueofy?

A)8B)10C)12D)145.Theaverageof4numbersis12.Ifthreeofthenumbersare10,12,and14,whatisthefourthnumber?

A)10B)12C)14D)16Grid-InQuestions16.Solveforx:5x-2=3x+817.Whatisthevalueof2³+4²?18.Arectanglehasalengthof8andawidthof5.Whatisitsperimeter?19.If20%ofanumberis6,whatisthenumber?20.Simplify:(x+2)(x-3)完整答案及详细解析一、阅读部分答案+解析Passage1Answers1.B解析：文章核心并非单纯描写风景或祖孙情谊，而是主角莱拉从发现祖母衰老、时光流逝的伤感，最终领悟时间、记忆与爱的人生感悟，核心是人物的情感与认知转变。A片面，C是次要内容，D无对比成人与孩童自然态度的内容。2.A解析：文中harbor比喻义为“心灵的庇护所、避风港”，对应shelter。B港口（本义）、C逃避、D记忆均不符合语境。3.A解析：文中明确提到莱拉冬日短暂探访时刻意忽略祖母的变化，只有夏日漫长的相处让变化无法忽视，说明冬日停留时间太短，不足以发现细微改变。B、C、D均无原文依据。4.B解析：第5-8行直接对应题干答案，点明冬日短暂探访忽略变化，夏日才看清改变，是最直接的证据句。5.A解析：文章前半部分主角心生失落伤感，最后一段中伤感褪去，转为感恩，完成了情绪的消解与释怀。B无记忆起源解释，C与结尾“爱与记忆永存”主旨相悖，D脱离段落核心。Passage2Answ