2026译林版高一英语新教材必修三unit1重点单词讲练

2026译林版高一英语新教材必修三unit1重点单词讲练引言词汇是语言的基石，对于高一阶段的英语学习而言，扎实掌握核心词汇不仅是理解课文、提升阅读能力的关键，也是进行有效听、说、写输出的前提。本单元围绕“人与社会”这一核心主题展开，涉及诸多描绘社会现象、个人情感与态度以及文化交流的高频词汇。本文将对本单元的重点单词进行深度剖析，结合典型例句与实用练习，助你精准理解词义，灵活运用。重点单词讲练1.**challenge***核心释义与用法：*n.挑战；艰巨任务。指需要付出努力才能完成的困难事情。*例：Learninganewlanguageisabigchallenge,butit'salsorewarding.*vt.向……挑战；对……质疑。表示不相信某事的真实性或正确性，或主动发起竞争。*例：Shechallengedhimtoagameofchess./Somescientistschallengethetraditionaltheory.*典型例句：Theteamfacesthechallengeofbeatingtheiroldrivalsinthefinal.*易混点提示：challenge(挑战)vs.difficulty(困难)。challenge更侧重于需要勇气和能力去克服的任务，带有一定的积极意味；difficulty泛指各种困难。*实战演练：Thenewpolicychallenges(challenge)ustothinkdifferentlyaboutenvironmentalprotection.2.**significant***核心释义与用法：*adj.重要的；显著的；有意义的。强调事物的重要性或产生的影响较大。*例：TherehasbeenasignificantimprovementinherEnglishsincelastsemester./Thisdiscoveryissignificantforthefutureofmedicine.*派生词：significance(n.重要性；意义)*典型例句：Thesigningofthisagreementwillhaveasignificantimpactoninternationaltrade.*同义词辨析：significant(重要的，强调影响)vs.important(重要的，用途广泛)vs.vital(至关重要的，生死攸关的)*实战演练：Hercontributiontotheprojectwassignificant(significance).3.**adapt***核心释义与用法：*vi./vt.(使)适应。常与介词to搭配，表示适应新环境、新情况等。*例：Ittookherawhiletoadapttothenewschool./Weneedtoadaptourplantothechangingcircumstances.*vt.修改；改编。指对某物进行改动以适应新的用途或目的，尤指文学作品或剧本。*例：Thisnovelhasbeenadaptedforthescreen.*派生词：adaptation(n.适应；改编本)；adaptable(adj.能适应的)*典型例句：Animalshavetoadapttosurviveinachangingenvironment.*实战演练：Hequicklyadapted(adapt)himselftothefast-pacedlifeinthebigcity.4.**contribute***核心释义与用法：*vi./vt.贡献；捐献。常与介词to搭配，表示为某事做出贡献。*例：Everyoneshouldcontributetoprotectingtheenvironment./Shecontributedalotofmoneytothecharity.*vi.撰稿；投稿。指为报纸、杂志等撰写文章。*例：Heoftencontributestotheschoolnewspaper.*派生词：contribution(n.贡献；捐款；稿件)*实战演练：Yourhardworkwillcontribute(contribution)tothesuccessofourteam.5.**reflect***核心释义与用法：*vt.反映；映出。指某物呈现出另一事物的影像或情况。*vt./vi.思考；反省。指认真思考某事，常与介词on/upon搭配。*例：Hereflectedonhispastmistakes./Taketimetoreflect.*派生词：reflection(n.反射；倒影；思考)*典型例句：Thereportreflectsthecurrentsituationineducation.*实战演练：Themirrorreflected(reflect)heranxiousface.6.**perspective***核心释义与用法：*n.视角；观点；看法。指看待事物的角度或立场。*例：Frommyperspective,thisplanisnotfeasible./Weneedtoconsidertheproblemfromdifferentperspectives.*n.远景；景观。指从某处看到的景色。*例：Thetoweroffersawonderfulperspectiveofthecity.*固定搭配：fromone'sperspective从某人的角度看*实战演练：It'simportanttoseethingsfromadifferentperspective(perspective)sometimes.7.**ambitious***核心释义与用法：*adj.有雄心的；有抱负的；野心勃勃的。既可指褒义的“有远大志向的”，也可指贬义的“野心大的”。*例：Sheisanambitiousyoungwomanwhowantstostartherownbusiness./Hisambitiousplansforexpansionmaynotberealistic.*派生词：ambition(n.雄心；抱负；野心)*典型例句：Thegovernmenthassetanambitioustargetforreducingcarbonemissions.8.**phenomenon***核心释义与用法：*n.(pl.phenomena/phenomenons)现象。指可以观察到的事实或发生的事情，尤指不寻常或值得注意的。*典型例句：Theteamisstudyingthephenomenonofsocialmediaaddictionamongteenagers.*实战演练：Thisculturalphenomenon(phenomenon)hasattractedwidespreadattention.9.**constantly***核心释义与用法：*adv.不断地；经常地。表示某事频繁发生或持续进行。*同根词：constant(adj.不断的；恒定的；忠诚的)*典型例句：Technologyisconstantlychanging,soweneedtokeeplearning.*实战演练：Heisconstantly(constant)lateformeetings,whichannoyshiscolleagues.10.**keepupwith***核心释义与用法：*phrasalverb跟上；不落后于。指与某人保持同样的速度或水平，或了解最新情况。*例：It'shardtokeepupwiththerapidchangesintechnology./ShewalkssofastthatIcan'tkeepupwithher.*典型例句：Tokeepupwithyourclassmates,youmuststudyhard.*相关短语：catchupwith(赶上，指从后面追上)*实战演练：Ireadnewspaperseverydaytokeepupwith(keep