2025年act試題及答案本文借鑒了近年相關(guān)經(jīng)典試題創(chuàng)作而成，力求幫助考生深入理解測試題型，掌握答題技巧，提升應(yīng)試能力。一、英語（English）選擇題（MultipleChoiceQuestions）1.SentenceCompletionThesmallbusinessowner,despitefacingnumerouschallenges,remained______throughouttheeconomicdownturn.A)resilientB)negligentC)apprehensiveD)indifferent2.Passage-BasedReadingReadthefollowingpassageandanswerthequestion:"Intheheartoftheancientforest,wherethesunlightstruggledtopiercethroughthedensecanopy,ayoungwomannamedElaraventureddeeperthananyofhervillage'shuntershadeverdared.Shewasdrivenbyalegendthatspokeofahiddenspring,saidtopossessthepowertorejuvenatetheland.Daysturnedintoweeks,andElara'sresolvewaveredastheforest'smysteriesgrewmoredaunting.Yet,witheachstep,shefoundanewstrengthwithinherself,untilfinally,shediscoveredthespring,itswatersshimmeringwithanotherworldlylight."WhichofthefollowingbestdescribesElara'scharacter?A)recklessB)determinedC)foolishD)hesitant3.GrammarandUsageIdentifythesentencewithcorrectsubject-verbagreement:A)Theteamofexpertsarereadytopresenttheirfindings.B)Eachofthestudentshascompletedtheirassignments.C)Neitherthestudentsnortheteacherwassatisfiedwiththeresults.D)Boththeteacherandthestudentsareresponsiblefortheproject.4.RhetoricalSkillsInthefollowingsentence,whatistheprimarypurposeoftheword"daunting"?"Shewasdrivenbyalegendthatspokeofahiddenspring,saidtopossessthepowertorejuvenatetheland.Daysturnedintoweeks,andElara'sresolvewaveredastheforest'smysteriesgrewmore______."A)intimidatingB)fascinatingC)mysteriousD)beautiful5.PunctuationWhichofthefollowingsentencesiscorrectlypunctuated?A)Theoldhouse,whichwasbuiltinthe1800s,isstillstanding.B)Theoldhousewhichwasbuiltinthe1800sisstillstanding.C)Theoldhouse,wasbuiltinthe1800s,isstillstanding.D)Theoldhousewasbuiltinthe1800s,itisstillstanding.二、數(shù)學(xué)（Math）選擇題（MultipleChoiceQuestions）1.AlgebraSolveforx:3x+7=22A)5B)6C)7D)82.GeometryAtrianglehasanglesmeasuring45°and90°.Whatisthemeasureofthethirdangle?A)30°B)45°C)60°D)90°3.Pre-CalculusWhatisthevalueofsin(30°)?A)0.5B)1C)0.707D)1.4144.ProbabilityandStatisticsAbagcontains5redballs,3blueballs,and2greenballs.Whatistheprobabilityofdrawingaredball?A)1/10B)1/5C)1/3D)3/105.TrigonometryInarighttriangle,thelengthofthehypotenuseis10,andoneofthelegsis6.Whatisthelengthoftheotherleg?A)4B)8C)7.2D)9.6Grid-InQuestions6.AlgebraFindthevalueofyintheequation:4y-7=117.GeometryAcirclehasadiameterof12.Whatisthecircumferenceofthecircle?8.Pre-CalculusIff(x)=x^2-4x+4,findthevertexoftheparabola.9.ProbabilityandStatisticsAdieisrolledtwice.Whatistheprobabilityofrollingasumof7?10.TrigonometryAladderleansagainstawall,formingarighttriangle.Thebaseoftheladderis5feetfromthewall,andtheladderis10feetlong.Whatistheheightoftheladderonthewall?三、閱讀（Reading）Passage1"TheancientcityofAvalonwasknownforitsmysteriouslibraries,filledwithbooksthatheldthesecretsoftheworld.Amongthese,themostsought-afterwasthe'BookofShadows,'atomesaidtocontainthewisdomoftheancientsages.YoungThomas,aninquisitiveandbraveboy,hadalwaysdreamedofreadingit.Oneday,hestumbleduponahiddenpassageinthemainlibrary,leadingtoasecretchamberwherethe'BookofShadows'waskept.Asheopenedtheancientbook,hewastransportedtoaworldofmagicandwonder,wherehelearnedthetruepowerofknowledge."Passage2"Intheheartofthebustlingmetropolis,asmallcoffeeshopnamed'TheDailyGrind'hadbecomeasanctuaryforwritersandartists.Theowner,amiddle-agedmannamedMr.Thompson,wasknownforhisexceptionalbrewsandhiswarmhospitality.Everymorning,theshopwasfilledwiththearomaoffreshcoffeeandthesoundofsoftmusic.Thewallswereadornedwithpaintingsandphotographs,eachtellingastoryofthepatronswhohadpassedthrough.Formany,'TheDailyGrind'wasmorethanjustaplacetogetcoffee;itwasahomeawayfromhome."MultipleChoiceQuestions1.WhatisthemainthemeofPassage1?A)TheimportanceoflibrariesB)ThequestforknowledgeC)ThedangersofancientbooksD)Thelifeofayoungboy2.AccordingtoPassage2,whatmakes'TheDailyGrind'special?A)ItslocationinthecityB)ThequalityofitscoffeeC)ThepaintingsandphotographsonthewallsD)Itswarmhospitality3.HowdoestheauthorofPassage1usethesettingtoenhancethestory?A)BydescribingthecityofAvalonB)BymentioningthesecretchamberC)BydescribingthecoffeeshopD)Byfocusingonthemainlibrary4.WhatisthepurposeofthequoteinPassage2?A)TointroducethemaincharacterB)TodescribethesettingC)ToprovideamorallessonD)Tosetthetoneofthestory5.WhichofthefollowingbestdescribesthetoneofPassage1?A)HumorousB)MysteriousC)DescriptiveD)Informative四、科學(xué)（Science）Passage1"Ateamofscientistswasconductingastudyontheeffectsofglobalwarmingonpolaricecaps.Theycollecteddataoveraperiodoftenyears,measuringthethicknessandareaoftheicecaps.Theresultsshowedasignificantdecreaseinboththicknessandarea,indicatingthatglobalwarmingwashavingaprofoundimpactonthepolarregions."Passage2"Inaseparatestudy,researcherswereinvestigatingtheeffectsofanewdrugonpatientswithararegeneticdisorder.Thestudyinvolvedacontrolgroupandatestgroup.Thecontrolgroupreceivedaplacebo,whilethetestgroupreceivedthenewdrug.Aftersixmonths,theresultsshowedthatthepatientsinthetestgrouphadasignificantimprovementintheirsymptoms,whilethepatientsinthecontrolgroupshowednochange."MultipleChoiceQuestions1.WhatisthemainconclusionofPassage1?A)Globalwarmingisnotasignificantissue.B)Polaricecapsarenotaffectedbyglobalwarming.C)Globalwarmingiscausingasignificantdecreaseinpolaricecaps.D)Scientistsarenotconcernedaboutglobalwarming.2.AccordingtoPassage2,whatwasthepurposeofthestudy?A)Todeterminetheeffectsofglobalwarmingonpolaricecaps.B)Toinvestigatetheeffectsofanewdrugonpatientswithararegeneticdisorder.C)Tostudytheeffectsofaplaceboonpatientswithararegeneticdisorder.D)Toresearchthecausesofararegeneticdisorder.3.HowdidthescientistsinPassage1collecttheirdata?A)Byconductinginterviewswithpolarresidents.B)Bymeasuringthethicknessandareaoftheicecaps.C)Byanalyzingsatelliteimages.D)Byobservingpolaranimals.4.WhatwasthemaindifferencebetweenthecontrolgroupandthetestgroupinPassage2?A)Thecontrolgroupreceivedaplacebo,whilethetestgroupreceivedthenewdrug.B)Thecontrolgroupwasolder,whilethetestgroupwasyounger.C)Thecontrolgrouphadadifferentgeneticdisorder,whilethetestgrouphadthesamegeneticdisorder.D)Thecontrolgroupwasmale,whilethetestgroupwasfemale.5.WhatisthepurposeofthequoteinPassage2?A)TointroducethemaincharacterB)TodescribethesettingC)ToprovideamorallessonD)Tosetthetoneofthestory五、寫作（Writing）EssayPrompt"Manypeoplebelievethattechnologyhasmadeourliveseasierandmoreconvenient.However,othersarguethattechnologyhasmadeourlivesmorecomplicatedandstressful.Inyouressay,discussbothsidesoftheissueandprovideyourownopinion.Useexamplesandevidencetosupportyourarguments."六、答案及解析一、英語（English）1.A)resilient-Theword"resilient"meansabletowithstandorrecoverquicklyfromdifficulties,whichfitsthecontextofthesentence.2.B)determined-Elara'scharacterisbestdescribedasdeterminedbecauseshefaceschallengesbutcontinuesherjourney.3.D)Boththeteacherandthestudentsareresponsiblefortheproject.-Thissentencecorrectlyusessubject-verbagreement.4.A)intimidating-Theword"daunting"meansintimidatingorfrightening,whichdescribesthechallengesElarafaces.5.A)Theoldhouse,whichwasbuiltinthe1800s,isstillstanding.-Thissentenceiscorrectlypunctuatedwithacommaandarelativeclause.二、數(shù)學(xué)（Math）1.B)6-Solvingtheequation:3x+7=22;3x=15;x=5.2.C)60°-Thesumofanglesinatriangleis180°;45°+90°=135°;180°-135°=45°.3.A)0.5-Thesineof30°is0.5.4.B)1/5-Probabilityofdrawingaredball:5/10=1/2.5.B)8-UsingthePythagoreantheorem:a^2+b^2=c^2;6^2+b^2=10^2;36+b^2=100;b^2=64;b=8.6.4-Solvingtheequation:4y-7=11;4y=18;y=7.68-Circumferenceofacircle:C=πd;C=π12≈37.68.8.(2,-2)-Thevertexoftheparabolaisatx=-b/2a;x=-(-4)/21=2;y=2^2-42+4=-2.9.1/6-Probabilityofrollingasumof7:1/3-UsingthePythagoreantheorem:a^2+b^2=c^2;5^2+b^2=10^2;b^2=75;b≈8.66.三、閱讀（Reading）1.B)Thequestforknowledge-ThemainthemeofPassage1isthequestforknowledge.2.D)Itswarmhospitality-ThewarmhospitalityofMr.Thompsonmakes'TheDailyGrind'special.3.A)BydescribingthecityofAvalon-ThesettingofAvalonenhancesthestorybycreatingamysteriousandmagicalatmosphere.4.C)Toprovideamorallesson-ThequoteinPassage2providesamorallessonabouttheimportanceofcommunityandsupport.5.B)Mysterious-ThetoneofPassage1ismysteriousduetothedescriptionoftheancientcityandthesecretchamber.四、科學(xué)（Science）1.C)Globalwarmingiscausingasignificantdecreaseinpolaricecaps.-ThemainconclusionofPassage1isthatglobalwarmingisaffectingpolaricecaps.2.B)Toinvestigatetheeffectsofanewdrugonpatientswithararegeneticdisorder.-ThepurposeofthestudyinPassage2wastoinvestigatetheeffectsofanewdrug.3.B)Bymeasuringthethicknessandareaoftheicecaps.-ThescientistsinPassage1collecteddatabymeasuringthethicknessandareaoftheicecaps.4.A)Thecontrolgroupreceivedaplacebo,whilethetestgroupreceivedthenewdrug.-ThemaindifferencebetweenthecontrolgroupandthetestgroupinPassage2wasthetreatmenttheyreceived.5.C)Toprovideamorallesson-ThequoteinPassage2providesamorallessonabouttheimportanceofcommunityandsupport.五、寫作（Writing）EssayPrompt"Manypeoplebelievethattechnologyhasmadeourliveseasierandmoreconvenient.However,othersarguethattechnologyhasmadeourlivesmorecomplicatedandstressful.Inyouressay,discussbothsidesoftheissueandprovideyourownopinion.Useexamplesandevidencetosupportyourarguments."SampleEssay"Technologyhasbecomeanintegralpartofourlives,anditsimpactisatopicofmuchdebate.Ononehand,manyarguethattechnologyhasmadeourliveseasierandmoreconvenient.Ontheotherhand,othersbelievethattechnologyhasmadeourlivesmorecomplicatedandstressful.Inmyopinion,whiletechnologyhasbroughtnumerousbenefits,ithasalsointroduceditsfairshareofchallenges.""Technologyhasundoubtedlymadeourlivesmoreconvenient.Forinstance,withtheadventofsmartphonesandtheinternet,wecanaccessinformation,communicatewithothers,andperformvarioustaskswithease.Onlineshoppinghasmadeitpossibletopurchaseitemsfromthecomfortofourhomes,savingustimeandeffort.Additionally,technologyhasrevolutionizedthewaywework,allowingforremoteworkandincreasedproductivity.Forexample,videoconferencingtoolshavemadeitpossibleforteamstocollaborateseamlessly,regardlessoftheirphysicallocation.""However,technologyhasalsomadeourlivesmorecomplicatedandstressful.Theconstantconnectivityprovidedbysmartphonesandsocialmediahasledtoaphenomenonknownas'technostress,'whereindividualsfeeloverwhelmedbytheamountofinformationandcommunicationtheyreceive.Thepressuretostayupdatedandconnectedhascreatedasenseofurgencyandanxiety.Moreover,theriseofautomationandartificialintelligencehasledtoconcernsaboutjobdisplacementandthechangingnatureofwork.Forinstance,manyindustriesarenowautomatingtasksthatweretraditionallyperformedbyhumans,leadingtojoblossesandtheneedforworkerstoadapttonewtechnologies.""Inconclusion,whiletechnologyhasbroughtnumerousbenefitsandmadeourlivesmoreconvenient,ithasalsointroduceditsfairshareofchallenges.Thekeyliesinfindingabalancebetweenusingtechnologytoouradvantageandavoidingitsnegativeimpacts.Bybeingmindfulofourtechnologyusageandsettingboundaries,wecanharnessthebenefitsoftechnologywhileminimizingitsdrawbacks.Ultimately,technologyshouldenhanceourlives,notcomplicatethem."六、答案及解析一、英語（English）1.A)resilient-Theword"resilient"meansabletowithstandorrecoverquicklyfromdifficulties,whichfitsthecontextofthesentence.2.B)determined-Elara'scharacterisbestdescribedasdeterminedbecauseshefaceschallengesbutcontinuesherjourney.3.D)Boththeteacherandthestudentsareresponsiblefortheproject.-Thissentencecorrectlyusessubject-verbagreement.4.A)intimidating-Theword"daunting"meansintimidatingorfrightening,whichdescribesthechallengesElarafaces.5.A)Theoldhouse,whichwasbuiltinthe1800s,isstillstanding.-Thissentenceiscorrectlypunctuatedwithacommaandarelativeclause.二、數(shù)學(xué)（Math）1.B)6-Solvingtheequation:3x+7=22;3x=15;x=5.2.C)60°-Thesumofanglesinatriangleis180°;45°+90°=135°;180°-135°=45°.3.A)0.5-Thesineof30°is0.5.4.B)1/5-Probabilityofdrawingaredball:5/10=1/2.5.B)8-UsingthePythagoreantheorem:a^2+b^2=c^2;6^2+b^2=10^2;36+b^2=100;b^2=64;b=8.6.4-Solvingtheequation:4y-7=11;4y=18;y=7.68-Circumferenceofacircle:C=πd;C=π12≈37.68.8.(2,-2)-Thevertexoftheparabolaisatx=-b/2a;x=-(-4)/21=2;y=2^2-42+4=-2.9.1/6-Probabilityofrollingasumof7:1/3-UsingthePythagoreantheorem:a^2+b^2=c^2;5^2+b^2=10^2;b^2=75;b≈8.66.三、閱讀（Reading）1.B)Thequestforknowledge-ThemainthemeofPassage1isthequestforknowledge.2.D)Itswarmhospitality-ThewarmhospitalityofMr.Thompsonmakes'TheDailyGrind'special.3.A)BydescribingthecityofAvalon-ThesettingofAvalonenhancesthestorybycreatingamysteriousandmagicalatmosphere.4.C)Toprovideamorallesson-ThequoteinPassage2providesamorallessonabouttheimportanceofcommunityandsupport.5.B)Mysterious-ThetoneofPassage1ismysteriousduetothedescriptionoftheancientcityandthesecretchamber.四、科學(xué)（Science）1.C)Globalwarmingiscausingasignificantdecreaseinpolaricecaps.-ThemainconclusionofPassage1isthatglobalwarmingisaffectingpolaricecaps.2.B)Toinvestigatetheeffectsofanewdrugonpatientswithararegeneticdisorder.-ThepurposeofthestudyinPassage2wastoinvestigatetheeffectsofanewdrug.3.B)Bymeasuringthethicknessandareaoftheicecaps.-ThescientistsinPassage1collecteddatabymeasuringthethicknessandareaoftheicecaps.4.A)Thecontrolgroupreceivedaplacebo,whilethetestgroupreceivedthenewdrug.-ThemaindifferencebetweenthecontrolgroupandthetestgroupinPassage2wasthetreatmenttheyreceived.5.C)Toprovideamorallesson-ThequoteinPassage2providesamorallessonabouttheimportanceofcommunityandsupport.五、寫作（Writing）SampleEssay"Technologyhasbecomeanintegralpartofourlives,anditsimpactisatopicofmuchdebate.Ononehand,manyarguethattechnologyhasmadeourliveseasierandmoreconvenient.Ontheotherhand,othersbelievethattechnologyhasmadeourlivesmorecomplicatedandstressful.Inmyopinion,whiletechnologyhasbroughtnumerousbenefits,ithasalsointroduceditsfairsha