易混淆词辨析专项训练-2026届高三英语一轮复习

高考英语 3500 词易混淆词辨析（语法填空专项） 一、同音 / 近音易混淆词 组别 单词 词性 核心含义 用法区别 高考例句 1 affect v. 影响；打动 及物动词，主语多为物 / 抽象概念，后接名词 / 代词 The climate change has affected the growth of crops.（语法填空真题改编） effect n. 效果；影响 可数名词，常与 on 搭配（have an effect on） The new policy had a positive effect on the local economy. 2 accept v. 接受（主观愿意） 及物动词，后接礼物、邀请等 She accepted his invitation to the concert. receive v. 收到（客观事实） 及物动词，不强调主观态度 He received a letter from his pen pal yesterday. 3 quiet adj. 安静的 修饰名词，作定语 / 表语 The students kept quiet during the exam. quite adv. 相当；很 修饰形容词 / 副词，位于其前 This book is quite useful for English learning. 4 lose v. 丢失；失去 及物动词，不规则变化（lose+lost+lost） He lost his keys on the way to school. loose adj. 松散的；宽松的 修饰名词，作定语 / 表语 The screws are loose, so you need to tighten them. 5 principle n. 原则；原理 抽象名词，指行为准则或科学原理 He never compromises on his moral principles. principal adj./n. 主要的；校长 形容词修饰名词；名词指学校负责人 The principal reason for his success is hard work. / She is the principal of our school. 二、形近易混淆词 组别 单词 词性 核心含义 用法区别 高考例句 1 adapt v. 适应；改编 不及物动词（adapt to）；及物动词（adapt sth. for） It's hard to adapt to the new environment quickly. / The novel was adapted for a film. adopt v. 收养；采纳 及物动词，后接孩子、建议等 They adopted a baby girl last year. / The government adopted his proposal. 2 assure v. 使确信；保证 及物动词，后接人 + that 从句（assure sb. that） I assure you that the project will be completed on time. ensure v. 确保；保证 及物动词，后接名词 /that 从句（ensure sth./that） We need to ensure the safety of the workers. insure v. 给…… 投保 及物动词，后接财产、生命等 He insured his car against accidents. 3 imply v. 暗示；意味着 及物动词，不直接说出，通过言语 / 行为暗示 Her smile implied that she agreed with our plan. infer v. 推断；推论 及物动词，根据证据 / 线索推断（infer sth. from） We can infer from his words that he is unhappy. 4 considerate adj. 体贴的；考虑周到的 修饰人，强调为他人着想 She is a considerate friend who always cares about others. considerable adj. 相当大的；可观的 修饰数量、程度等，强调 “多 / 大” There is a considerable difference between the two methods. 5 economic adj. 经济的；经济上的 修饰与经济相关的事物（经济政策、形势等） The country is facing a serious economic crisis. economical adj. 节俭的；节约的 修饰人或行为，强调 “省钱 / 节约” She is an economical housewife who never wastes money. 三、义近易混淆词 组别 单词 词性 核心含义 用法区别 高考例句 1 celebrate v. 庆祝 及物动词，后接节日、胜利等（强调公开庆祝） People celebrate Spring Festival all over China. congratulate v. 祝贺 及物动词，后接人（congratulate sb. on sth.） I congratulated him on winning the competition. 2 damage v./n. 损坏；损害 程度较轻，可修复；名词为不可数（表泛指）/ 可数（表具体损坏） The storm damaged several houses. / The damage to the car is not serious. destroy v. 摧毁；毁灭 程度极重，无法修复 The earthquake destroyed the entire village. ruin v./n. 毁坏；废墟 强调长期破坏导致报废；名词常用复数（ruins 废墟） Bad habits ruined his health. / We visited the ruins of an ancient city. 3 borrow v. 借入 从他人处借东西（borrow sth. from sb.） I borrowed a book from the library yesterday. lend v. 借出 把东西借给他人（lend sth. to sb.） She lent her pen to me during the exam. keep v. 保留；借用（持续时间） 强调借用的持续状态，与时间段连用 How long can I keep this magazine? 4 ordinary adj. 普通的；平常的 强调无特别之处，符合一般情况 He is an ordinary worker but with great dreams. common adj. 常见的；普遍的 强调广泛存在，多人拥有 / 经历 The flu is common in winter. usual adj. 通常的；惯常的 强调符合个人习惯或常规（as usual） He arrived at school early as usual. normal adj. 正常的；标准的 强调符合标准或预期，无异常 It's normal to feel nervous before an exam. 5 argue v. 争论；争辩 强调因观点不同而争论（argue with sb. about sth.） They argued with each other about the plan for hours. debate v./n. 辩论；讨论 强调正式场合的公开辩论，有规则可循 The students debated the topic of environmental protection. discuss v. 讨论；商议 强调交换意见，无争论意味（discuss sth. with sb.） We discussed the problem with our teacher. 四、语法功能易混淆词 组别 单词 词性 核心含义 用法区别 高考例句 1 because conj. 因为 引导原因状语从句，强调直接原因，可回答 why He stayed at home because he was ill. because of prep. 因为 后接名词 / 代词 / 动名词，不能接从句 He stayed at home because of his illness. 2 since conj. 自从；既然 引导时间状语从句（自从）或原因状语从句（既然，表已知原因） I have lived here since I was born. / Since you are tired, you can go to bed early. as conj. 当…… 时；因为；作为 引导时间 / 原因 / 方式状语从句，语气较弱 As he walked along the street, he sang a song. / As it was late, we decided to leave. 3 while conj. 当…… 时；然而；虽然 引导时间状语从句（强调同时进行）、并列句（然而，表对比）或让步状语从句（虽然） She was reading while her brother was watching TV. / Some people like coffee, while others prefer tea. 4 such adj./pron. 如此的；这样的 修饰名词（such + a/an + 形容词 + 单数名词；such + 形容词 + 复数 / 不可数名词） She is such a kind girl that everyone likes her. / They have such interesting books that we want to read them. so adv. 如此；这么 修饰形容词 / 副词（so + 形容词 / 副词 + a/an + 单数名词；so + 形容词 / 副词） She is so kind a girl that everyone likes her. / He runs so fast that no one can catch up with him. 5 how adv. 如何；多么 引导特殊疑问句（表方式）或感叹句（how + 形容词 / 副词 + 主谓） How do you learn English? / How beautiful the flowers are! what adj./pron. 什么；多么 引导特殊疑问句（表内容）或感叹句（what + a/an + 形容词 + 单数名词；what + 形容词 + 复数 / 不可数名词） What do you want to eat? / What a lovely child he is! / What delicious food it is! 五、高考英语易混词语法填空专项练习 （答题要求：根据句意及易混词用法，在横线上填入正确单词（需注意词形变化）。） 1. He has a strong ________ (principle/principal) that he will never lie to his friends, no matter what happens. 2. The old man ________ (lost/loose) his way in the forest and had to wait for rescuers to find him. 3. It’s important to ________ (adapt/adopt) yourself to the new study rhythm when you enter senior high school. 4. The manager ________ (assured/ensured/insured) the customers that the quality of the products would be improved soon. 5. Her silence ________ (implied/inferred) that she didn’t agree with our decision, though she didn’t say it directly. 6. There is a ________ (considerate/considerable) amount of time left before the exam, so you don’t need to rush. 7. The ________ (economic/economical) situation of the country has been getting better and better in recent years. 8. We ________ (celebrated/congratulated) his birthday with a big cake and beautiful songs last night. 9. The heavy rain ________ (damaged/destroyed/ruined) the crops in the field, but farmers could still harvest some. 10. Can you ________ (lend/borrow) me your dictionary? I forgot mine at home and need to look up some words. 11. It’s ________ (ordinary/common/usual/normal) for teenagers to have some conflicts with their parents. 12. They ________ (argued/debated/discussed) the plan for the school trip for a long time and finally reached an agreement. 13. He didn’t go to school ________ (because/because of) he was seriously ill and had to stay in hospital. 14. ________ (Since/As/While) I was young, I have been interested in collecting stamps from all over the world. 15. ________ (Such/So) beautiful scenery it is that I can’t help taking many photos. 16. ________ (How/What) a wonderful performance they gave on the stage! Everyone cheered loudly. 17. The ________ (quiet/quite) village at the foot of the mountain is a perfect place for people to relax. 18. She is always ________ (economical/economic) with her money and never buys things she doesn’t need. 19. The teacher ________ (congratulated/celebrated) the students on their great progress in the mid+term exam. 20. You can ________ (keep/borrow/lend) this book for two weeks, but you must return it on time. 参考答案 1. principle 2. lost 3. adapt 4. assured 5. implied 6. considerable 7. economic 8. celebrated 9. damaged 10. lend 11. normal 12. discussed 13. because 14. Since 15. What 16. What 17. quiet 18. economical 19. congratulated 20. keep 详细解析 1. 答案：principle + 易混词辨析：principle（n. 原则）；principal（adj. 主要的；n. 校长） + 解析：空格前有形容词strong修饰，结合句意“他有一个坚定的____，无论发生什么都不会对朋友撒谎”，此处表示“原则”，故填principle。 2. 答案：lost + 易混词辨析：lost（v. lose的过去式，丢失；迷路）；loose（adj. 松散的） + 解析：空格处需填谓语动词，结合句意“老人在森林里____路，不得不等待救援人员找到他”，“迷路”用lose one’s way，此处为过去式，故填lost。 3. 答案：adapt + 易混词辨析：adapt（v. 适应，adapt oneself to）；adopt（v. 采纳；收养） + 解析：固定搭配adapt oneself to表示“使自己适应……”，结合句意“进入高中后，适应新的学习节奏很重要”，故填adapt。 4. 答案：assured + 易混词辨析：assure（v. 使确信，assure sb. that）；ensure（v. 确保，后接名词/that从句）；insure（v. 投保） + 解析：空格后接宾语the customers + that从句，符合assure的用法（使某人确信），句意“经理向顾客保证产品质量很快会提高”，故填assured。 5. 答案：implied + 易混词辨析：imply（v. 暗示，主语为人/事物）；infer（v. 推断，主语为人） + 解析：主语为Her silence（她的沉默），结合句意“她的沉默____她不同意我们的决定，尽管她没有直接说出来”，此处表示“沉默暗示”，故填implied。 6. 答案：considerable + 易混词辨析：considerate（adj. 体贴的，修饰人）；considerable（adj. 相当大的，修饰数量/程度） + 解析：空格修饰名词amount（数量），结合句意“考试前还有____时间，所以你不用着急”，表示“相当多的时间”，故填considerable。 7. 答案：economic + 易混词辨析：economic（adj. 经济的，修饰事物）；economical（adj. 节俭的，修饰人/行为） + 解析：空格修饰名词situation（形势），“经济形势”用economic situation，句意“这个国家的经济形势近年来越来越好”，故填economic。 8. 答案：celebrated + 易混词辨析：celebrate（v. 庆祝，后接节日、生日等）；congratulate（v. 祝贺，congratulate sb. on sth.） + 解析：空格后接宾语his birthday（生日），表示“庆祝生日”，故填celebrated。 9. 答案：damaged + 易混词辨析：damage（v. 损坏，程度较轻，可修复）；destroy（v. 摧毁，无法修复）；ruin（v. 毁坏，长期破坏） + 解析：根据后句“但农民仍然可以收获一些”可知，破坏程度较轻，可修复，故填damaged。 10. 答案：lend + 易混词辨析：lend（v. 借出，lend sb. sth.）；borrow（v. 借入，borrow sth. from sb.） + 解析：句意“你能把字典____我吗？我把我的忘在家里了，需要查一些单词”，此处表示“借出”，且符合lend sb. sth.结构，故填lend。 11. 答案：normal + 易混词辨析：ordinary（普通的）；common（常见的）；usual（惯常的）；normal（正常的） + 解析：结合句意“青少年与父母发生一些冲突是____的”，表示“符合预期、无异常”，故填normal。 12. 答案：discussed + 易混词辨析：argue（争论，argue with sb. about sth.）；debate（正式辩论）；discuss（讨论，交换意见） + 解析：根据后句“最终达成一致”可知，此处无争论意味，只是“讨论计划”，故填discussed。 13. 答案：because + 易混词辨析：because（conj. 因为，后接从句）；because of（prep. 因为，后接名词/短语） + 解析：空格后为完整从句“he was seriously ill”，故用because引导原因状语从句。 14. 答案：Since + 易混词辨析：since（conj. 自从，引导时间状语从句，主句用现在完成时）；as（当……时，强调同时进行）；while（当……时，后接延续性动词） + 解析：主句为现在完成时（have been interested），从句为一般过去时（was young），符合since的用法，句意“我从小就对收集世界各地的邮票感兴趣”，故填Since。 15. 答案：What + 易混词辨析：such（修饰名词）；so（修饰形容词/副词）；what（引导感叹句，what + 形容词 + 不可数名词/复数名词） + 解析：空格后为“beautiful scenery”（形容词 + 不可数名词），感叹句结构为What + 形容词 + 不可数名词 + 主谓！故填What。 16. 答案：What + 易混词辨析：how（how + 形容词/副词 + 主谓）；what（what + a/an + 形容词 + 单数名词 + 主谓） + 解析：空格后为“a wonderful performance”（a + 形容词 + 单数名词），符合what引导感叹句的结构，故填What。 17. 答案：quiet + 易混词辨析：quiet（adj. 安静的，修饰名词）；quite（adv. 相当，修饰形容词/副词） + 解析：空格修饰名词village（村庄），结合句意“山脚下那个____的村庄是人们放松的好地方”，表示“安静的”，故填quiet。 18. 答案：economical + 易混词辨析：economical（adj. 节俭的，修饰人/行为）；economic（adj. 经济的，修饰事物） + 解析：空格修饰主语she，结合句意“她总是____用钱，从不买不需要的东西”，表示“节俭的”，故填economical。 19. 答案：congratulated + 易混词辨析：congratulate（v. 祝贺，congratulate sb. on sth.）；celebrate（v. 庆祝，后接事物） + 解析：空格后接宾语the students + on sth.（their great progress），符合congratulate的用法，句意“老师祝贺学生们在期中考试中取得巨大进步”，故填congratulated。 20. 答案：keep + 易混词辨析：keep（v. 保留，与时间段连用）；borrow（借入，短暂性动词）；lend（借出，短暂性动词） + 解析：空格后为时间段“for two weeks”，短暂性动词borrow和lend不能与时间段连用，keep为延续性动词，表示“借用/保留一段时间”，故填keep。 学科网（北京）股份有限公司 $