2026年托福考试词汇练习及答案

2026年托福考试词汇练习及答案考试时长：120分钟满分：100分试卷名称：2026年托福考试词汇练习及答案考核对象：准备参加2026年托福考试的考生题型分值分布：-判断题（总共10题，每题2分）：总分20分-单选题（总共10题，每题2分）：总分20分-多选题（总共10题，每题2分）：总分20分-案例分析（总共3题，每题6分）：总分18分-论述题（总共2题，每题11分）：总分22分总分：100分---一、判断题（每题2分，共20分）1.Theword"ubiquitous"meanssomethingthatispresenteverywhereatthesametime.（“ubiquitous”这个单词的意思是某物同时存在于任何地方。）□正确□错误2.Theterm"myriad"referstoaverylargenumberofsomething.（“myriad”这个术语指的是大量的某物。）□正确□错误3."Ephemeral"describessomethingthatlastsforaveryshorttime.（“ephemeral”描述的是某物持续时间极短。）□正确□错误4.Theword"serendipity"meanstheoccurrenceofeventsbychanceinahappyorbeneficialway.（“serendipity”这个单词指的是偶然发生的事件以幸福或有益的方式出现。）□正确□错误5."Pernicious"referstosomethingthatisharmfulordamaging.（“pernicious”指的是某物有害或具有破坏性。）□正确□错误6.Theterm"quintessential"meansrepresentingthemostperfectortypicalexampleofaqualityorclass.（“quintessential”这个术语指的是代表某种品质或类别的最完美或典型的例子。）□正确□错误7."Obfuscate"meanstomakesomethingunclearordifficulttounderstand.（“obfuscate”的意思是使某事变得模糊或不清晰。）□正确□错误8.Theword"melancholy"describesafeelingofdeepsadnessorpensivegloom.（“melancholy”描述的是一种深深的悲伤或沉思的忧郁感。）□正确□错误9."Pragmatic"referstodealingwiththingssensiblyandrealistically.（“pragmatic”指的是实际地、现实地处理事情。）□正确□错误10.Theterm"lucrative"meansprofitableorlikelytoyieldalargeprofit.（“lucrative”这个术语指的是有利可图的或可能带来巨额利润的。）□正确□错误---二、单选题（每题2分，共20分）1.Whichofthefollowingwordsbestdescribessomethingthatis"unwavering"?（以下哪个词最能描述“坚定不移”的？）□A.Fluctuating□B.Inconsistent□C.Unwavering□D.Erratic2.Theword"myopic"mostcloselymeans:（“myopic”最接近的意思是：）□A.Visionary□B.Short-sighted□C.Keen□D.Blurry3.Whichtermbestdescribesasituationwheresomethingis"perilous"?（哪个术语最能描述“危险”的情况？）□A.Safe□B.Hazardous□C.Secure□D.Stable4.Theword"serendipitous"ismostsimilarto:（“serendipitous”与以下哪个词最相似？）□A.Fortuitous□B.Unfortunate□C.Deliberate□D.Mundane5.Whichofthefollowingwordsbestmeans"tocauseconfusion"?（以下哪个词最能表示“引起混乱”？）□A.Clarify□B.Disturb□C.Confound□D.Simplify6.Theterm"quintessential"ismostsimilarto:（“quintessential”与以下哪个词最相似？）□A.Atypical□B.Representative□C.Anomalous□D.Ordinary7.Whichwordbestdescribessomethingthatis"ephemeral"?（哪个词最能描述“短暂的”？）□A.Permanent□B.Transient□C.Enduring□D.Eternal8.Theterm"obfuscate"ismostsimilarto:（“obfuscate”与以下哪个词最相似？）□A.Illuminate□B.Obscure□C.Explain□D.Clarify9.Whichwordbestmeans"toactbasedonpracticalconsiderations"?（哪个词最能表示“根据实际考虑行事”？）□A.Idealistic□B.Pragmatic□C.Theoretical□D.Hypothetical10.Theword"lucrative"ismostsimilarto:（“lucrative”与以下哪个词最相似？）□A.Unprofitable□B.Rewarding□C.Costly□D.Fruitless---三、多选题（每题2分，共20分）1.Whichofthefollowingwordsdescribesomethingthatis"ubiquitous"?（以下哪些词描述的是“无处不在的”？）□A.Pervasive□B.Rare□C.Common□D.Localized2.Theterm"myriad"canbeusedtodescribe:（“myriad”可以用来说明：）□A.Alargecollectionofitems□B.Afewobjects□C.Aninfinitenumber□D.Asingleentity3.Whichwordsbestdescribesomethingthatis"myopic"?（哪些词最能描述“短视的”？）□A.Farsighted□B.Visionary□C.Shortsighted□D.Clear-sighted4.Theterm"pernicious"canbeassociatedwith:（“pernicious”可以与以下哪些词相关联？）□A.Harmful□B.Beneficial□C.Damaging□D.Harmless5.Whichwordsaresynonymsfor"serendipity"?（哪些词是“serendipity”的同义词？）□A.Coincidence□B.Chance□C.Misfortune□D.Luck6.Theterm"quintessential"canbeusedtodescribe:（“quintessential”可以用来说明：）□A.Thebestexample□B.Anaverageinstance□C.Themosttypical□D.Anunusualcase7.Whichwordsbestdescribesomethingthatis"obfuscated"?（哪些词最能描述“被模糊化”的？）□A.Clear□B.Confusing□C.Ununderstandable□D.Distinct8.Theterm"melancholy"canbeassociatedwith:（“melancholy”可以与以下哪些词相关联？）□A.Sadness□B.Joy□C.Melancholy□D.Light-heartedness9.Whichwordsbestdescribea"pragmatic"approach?（哪些词最能描述“实用主义”的方法？）□A.Idealistic□B.Realistic□C.Theoretical□D.Practical10.Theterm"lucrative"canbeusedtodescribe:（“lucrative”可以用来说明：）□A.Profitable□B.Costly□C.Rewarding□D.Unprofitable---四、案例分析（每题6分，共18分）1.CaseStudy:Acompanyisdevelopinganewtechnologythatisexpectedtorevolutionizetheindustry.However,thetechnologyisstillinitsearlystages,andtherearesignificantrisksinvolved.Thecompany'sCEOmustdecidewhethertoproceedwiththeprojectbasedonpotentiallong-termbenefitsortoabandonitduetothecurrentuncertainties.Questions:a.Whatwordbestdescribesthecompany'ssituationregardingthenewtechnology?b.WhatwordbestdescribestheCEO'sdecision-makingprocess?c.Provideasentenceusingtheword"pernicious"todescribeapotentialriskinthisscenario.2.CaseStudy:Astudentispreparingforamajorexam.Herealizesthathehasonlyalimitedamountoftimetostudyallthematerial.Hemustprioritizewhichtopicstofocusontomaximizehischancesofsuccess.Questions:a.Whatwordbestdescribesthestudent'ssituationregardingtimemanagement?b.Whatwordbestdescribeshisapproachtoselectingwhichtopicstostudy?c.Provideasentenceusingtheword"myriad"todescribethenumberoftopicsheneedstocover.3.CaseStudy:Aresearcherisconductinganexperimenttodiscoveranewdrug.Afteryearsofwork,hefinallyfindsacompoundthatshowspromisingresults.However,hemustnowdecidewhethertocontinuewithfurthertestingortostopduetoethicalconcerns.Questions:a.Whatwordbestdescribestheresearcher'sdiscovery?b.Whatwordbestdescribestheethicalconcernshefaces?c.Provideasentenceusingtheword"lucrative"todescribethepotentialbenefitsofthenewdrug.---五、论述题（每题11分，共22分）1.EssayTopic:DiscusstheimportanceofunderstandingvocabularyinthecontextoftheTOEFLexam.Provideexamplesofhowknowledgeofwordslike"ubiquitous,""myriad,"and"pernicious"canhelpyousucceedinreadingandwritingsections.2.EssayTopic:Explainthedifferencebetween"myopic"and"pragmatic"approachesindecision-making.Providereal-lifeexamplesorscenarioswhereeachapproachwouldbemoreappropriate.---标准答案及解析---一、判断题1.□正确2.□正确3.□正确4.□正确5.□正确6.□正确7.□正确8.□正确9.□正确10.□正确解析：所有判断题的答案均为“正确”，因为这些陈述准确地描述了所给词汇的含义。---二、单选题1.□C.Unwavering2.□B.Short-sighted3.□B.Hazardous4.□A.Fortuitous5.□C.Confound6.□B.Representative7.□B.Transient8.□B.Obscure9.□B.Pragmatic10.□B.Rewarding解析：1."Unwavering"meansfirmandnotchangingincharacterorbehavior.2."Myopic"meansshort-sighted.3."Perilous"meansdangerousorrisky.4."Serendipitous"meansfortunatebychance.5."Confound"meanstocauseconfusion.6."Quintessential"meansthemostperfectortypicalexample.7."Ephemeral"meanslastingforaveryshorttime.8."Obfuscate"meanstomakesomethingunclear.9."Pragmatic"meansdealingwiththingssensiblyandrealistically.10."Lucrative"meansprofitable.---三、多选题1.□A.Pervasive□C.Common2.□A.Alargecollectionofitems□C.Aninfinitenumber3.□C.Shortsighted4.□A.Harmful□C.Damaging5.□A.Coincidence□B.Chance□D.Luck6.□A.Thebestexample□C.Themosttypical7.□B.Confusing□C.Ununderstandable8.□A.Sadness□C.Melancholy9.□B.Realistic□D.Practical10.□A.Profitable□C.Rewarding解析：1."Ubiquitous"meanspresenteverywhere,so"pervasive"and"common"arecorrect.2."Myriad"meansaverylargenumber,so"alargecollectionofitems"and"aninfinitenumber"arecorrect.3."Myopic"meansshort-sighted,so"shortsighted"iscorrect.4."Pernicious"meansharmful,so"harmful"and"damaging"arecorrect.5."Serendipity"meansfortunatebychance,so"coincidence,""chance,"and"luck"arecorrect.6."Quintessential"meansthemostperfectortypicalexample,so"thebestexample"and"themosttypical"arecorrect.7."Obfuscated"meansunclear,so"confusing"and"ununderstandable"arecorrect.8."Melancholy"meanssadness,so"sadness"and"melancholy"arecorrect.9."Pragmatic"meanspractical,so"realistic"and"practical"arecorrect.10."Lucrative"meansprofitable,so"profitable"and"rewarding"arecorrect.---四、案例分析1.a.□Hazardousb.□Pragmaticc."Thelackofaclearregulatoryframeworkcouldbeaperniciousrisktothecompany'slong-termsuccess."2.a.□Time-constrainedb.□Pragmaticc."Thestudenthasamyriadoftopicstocoverinalimitedamountoftime."3.a.□Promisingb.□Ethicalc."Thenewdrughasthepotentialtobehighlylucrativeifitproveseffective."解析：1.Thecompany'ssituationis"hazardous"duetotherisksinvolved.TheCEO'sdecision-makingprocessis"pragmatic"becausehemustweighpotentialbenefitsagainstuncertainties.2.Thestudent'ssituationis"time-constrained"becausehehaslimitedtimetostudy.Hisapproachis"pragmatic"becausehemustprioritizetopics.3.Theresearcher'sdiscoveryis"promising"becauseitshowspositi