Unit 2 Roads to education一-2025-2026学年高中英语词义辨析及同义替换精讲必修第二册（沪教版）

高中必修第二册沪教版 【Unit2】 词义辨析及同义替换精讲 必修第二册 【Unit2】Roads to education 词义辨析及同义替换精讲 本单元核心词汇 一、全部单元单词 episode/'epIs3d/n.(电视/广 定)：其实：实际上 eager/igat)/adj.热切的：渴望 播剧的)一集 positive/'pDzatrv/adj.积极的：的 series./'SIeri:z/n.(广播电视)系 建设性的 frequently /'fri:kwantli/adv. 列节目 effect/'fekt/n.效应；影响结繁地：经常 previous/'pri:vias/adj.先前的；果 update/Ap'det/v.更新；使更及 以往的 performance /p'fo:mans/n.表时 brief /bri:f/adj.简洁的：简短的：现；表演；演出 otherwise/'A0owaIz/adv.否则； 短时间的 propose/pra3 pauz/v.提议；建议不然 quote /kwaut/n.引用；引述V.lecture/'lektfa()/n.(大学)讲motivate/'mautiveit/v.激励：激 引用 座；讲课 发 clap /klap/v.拍手；击掌；鼓掌document/'dokjumant/n.文件；mood/mu:d/n.氛围；心境 (表赞许) 公文；文献 indeed /In'di:d/adv. (强调肯 resource/'ss/n.资料 词义辨析及同义替换 1. previous/pri:vias/adj.先前的：以往的 词义辨析： previous:强调时间或顺序上“在前的、先前的”，常修饰名词，如previous experience(先前经 验)，可与介词to搭配。 former:侧重“过去的、曾经的”，指过去某段时间存在的状态，如former president(前总统)， 可作定语或表语。 同义替换： former,prior 例句： You can find the answer in the previous chapter of the textbook 真题链接：（沪教版高中必修第二册同步练习） 高中必修第二册沪教版 【Unit2】 词义辨析及同义替换精讲 He has no_knowledge of this subject,so he needs to start from the basics. A.previous B.later C.final (答案：A) 2. brief/bri:f/adj.简洁的：简短的：短时间的 词义辨析： brief:侧重“简明扼要的、时间短暂的”，可形容语言、时间或事件，如brief introduction(简短 介绍)。 shot:含义更广，可指“长度短的、时间短暂的”，也可指“矮的”，反义词为log,口语中更 常用。 同义替换： short,concise 例句： The manager gave a brief speech at the meeting and then left. 真题链接：（沪教版高中必修第二册单元测试） Please make a_summary of the passage in 50 words. A.brief B.long C.detailed (答案：A) 3.effect/I'fekt/n.效应；影响：结果 词义辨析： effect:作名词，侧重“产生的结果或影响”，常用搭配have an effect on(对…有影响)： affect:作动词，侧重“对…产生影响”，直接接宾语，如The weather affected our plan 同义替换： result,influence 例句： The new policy had a positive effect on the local economy. 真题链接：（沪教版高中必修第二册同步练习） The medicine will take in half an hour.You will feel better soon. A.effect B.affect C.effort (答案：A) 4.performance /p3'fo:mans/n.表现；表演；演出 词义辨析： performance:既可指“表演、演出”（如音乐会、戏剧），也可指“（学习、工作等的）表现”。 show:作名词时侧重“公开的演出、展览”，如TV show(电视节目)，词义更宽泛。 同义替换： act,display 例句： Her performance in the English exam was much better than last time. 高中必修第二册沪教版 【Unit2】 词义辨析及同义替换精讲 真题链接：（沪教版高中必修第二册期中测试） The students gave a wonderful_at the school art festival. A.performance B.practice C.meeting (答案：A) 5.propose /pr3'pUz/V.提议；建议 词义辨析： propose:侧重“正式提出建议、计划或提案”，后接名词、代词或从句，如propose a solution(提 出解决方案)。 suggest:语气较委婉，可接名词、动名词或从句，如suggest doing sth.(建议做某事)。 同义替换： suggest,advise 例句： He proposed that we should hold a class meeting to discuss the problem. 真题链接：（沪教版高中必修第二册单元练习） The teacher-we go on a picnic this weekend.Everyone agreed. A.proposed B.refused C.denied (答案：A) 6.eager /'i:ge(r)/adj.热切的：渴望的 词义辨析： eager:强调“对某事充满热情、急切盼望”，常用搭配be eager to do sth.(渴望做某事)。 anxious:侧重“因担心或不确定而焦虑的”，常用搭配be anxious about（为…担忧)。 同义替换： keen,thirsty 例句： The students are eager to know the result of the competition 真题链接：（沪教版高中必修第二册同步练习） She is-to learn English well because she wants to study abroad. A.eager B.afraid C.tired(答案：A) 7.frequently/'fi:kwantli/adv.频繁地；经常 词义辨析： frequently:表“频率高的、经常发生的”，程度高于sometimes。 often:含义相近，口语中更常用，可与vey,quite等副词连用，如very often(很经常)。 同义替换： often,regularly 例句： He frequently goes to the library to read books on weekends 3 高中必修第二册沪教版 【Unit2】 词义辨析及同义替换精讲 真题链接：（沪教版高中必修第二册单元测试） It rains_in this area in summer,so you need to take an umbrella A.frequently B.rarely C.never(答案：A) 8.motivate/'mautrveit/V.激励：激发 词义辨析： motivate:侧重“通过内在或外在因素激发动力”，如motivate sb.to do sth.(激励某人做某事)。 encourage:侧重“给予支持或信心，鼓励某人行动”，常用搭配encourage sb.to do sth.。 同义替换： encourage,inspire 例句： The teacher's praise motivated her to work harder 真题链接：（沪教版高中必修第二册期末测试） His parents always_him to pursue his dreams,no matter how difficult they are. A.motivate B.stop C.prevent (答案：A) 9.mood /mu:d山n.氛围；心境 极义辨析： mood:侧重“某一时刻的情绪或氛围”，可指人的心境或环境的氛围，如in a good mood(心情 好)。 emotion::指“强烈的情感、情绪”，如joy,anger等，范围更广。 同义替换： spirit,feeling 例句： The soft music created a relaxed mood in the room 真题链接：（沪教版高中必修第二册同步练习） She is in a bad-today because she lost her keys. A.nood B.health C.job(答案：A) l0.positive/'pDzatIv/adj.积极的；建设性的 词义辨析： positive:侧重“积极乐观的、有建设性的”，如positive attitude(积极态度)，反义词为negative。 active:侧重“主动的、活跃的”，如active in class(课堂上积极活跃)。 同义替换： optimistic,constructive 例句： We should keep a positive mind when facing difficulties. 高中必修第二册沪教版 【Unit2】 词义辨析及同义替换精讲 真题链接：（沪教版高中必修第二册单元练习） Her_words encouraged everyone to try their best. A.positive B.negative C.sad (答案：A) 11.otherwise./AoawaIz/adv..否则；不然 词义辨析： otherwise:侧重“如果不这样，就会发生某种结果”，常用于警告或条件句中。 or:口语中可替换otherwise,表“否则”，如Hurry up,or you'll be late 同义替换： or,else 例句： You must finish your homework now;otherwise,you can't watch TV tonight 真题链接：（沪教版高中必修第二册同步练习） Study hard,you will fail the exam. A.otherwise B.and C.so (答案：A) 12.document/'dpkjumant/n.文件；公文；文献 词义辨析： document:侧重“正式的文件、文献”，如official document(官方文件)，可指纸质或电子形式。 file:作名词时可指“文件夹、档案”，也可指计算机中的“文件”，范围更广。 同义替换： paper,record 例句： You need to submit the required documents to the office by Friday. 真题链接：（沪教版高中必修第二册单元测试） The_about the history of the city is kept in the local library. A.document B.story C.message (答案：A) 综合演练 综合练习 一、单项选择 1.She has no_experience in teaching,so she needs more training. A.previous B.former C.prior 5 高中必修第二册沪教版 【Unit2】 词义辨析及同义替换精讲 2.Please give a introduction to your project in three minutes. A.brief B.short C.concise 3.The new law will have a great-on environmental protection. A.effect B.affect C.result 4.His-in the math competition surprised all his teachers. A.performance B.show C.act 5.The students-having a picnic in the park this Sunday. A.proposed B.suggested C.advised 6.My brother is to travel to Japan to learn about its culture A.eager B.anxious C.keen 7.It snows in this city in winter,so people rarely see snow. A.frequently B.rarely C.often 8.The coach tried to the team to win the final match. A.motivate B.encourage C.inspire 9.The soft lighting in the cafe created a warm_ A.mood B.emotion C.feeling 10.You must finish your report by Friday,,you will miss the deadline A.otherwise B.or C.else 6 高中必修第二册沪教版 【Unit2】 词义辨析及同义替换精讲 二、根据句意及汉语提示完成单词 l.His_(先前的)job was in a hospital as a nurse. 2.The meeting was very._(简短的)and ended in 10 minutes. 3.The medicine had a bad_(影响)on his health. 4.We watched a wonderful()by the school band last night. 5.The manager_()a new plan to improve sales. 6.She is._(渴望的)to start her new job next month. 三、用所给单词的适当形式填空 1.He visits his grandparents-(frequent)on weekends. 2.The teacher's praise(motivate)the students to work harder. 3.She was in a good(moody)after hearing the good news. 4.We need to collect more_(document)to support our argument. 5.The_(perform)of the new machine is much better than the old one. 四、完成句子 1.The new policy_(对…有影响)the local economy. 2.She一（渴望）learn French before going to Paris. 3.The team's()in the game was disappointing 4.You should submit the()by the end of this week. 五、语篇填空 阅读下面短文，在空白处填入一个适当的单词或用括号内单词的正确形式填空，使短文通顺、连 贯。 Tom used to be a lazy student.He had no_(1.previous/former)interest in studying and_(2. frequent/often)skipped classes.His parents were worried about his-(3.perform/performance)at school.One day,his teacher had a talk with him and-(4.propose/suggest)he set a study goal.This -(5.motivate/encourage)Tom to change.He started studying hard and_(6.eager/keen)asked questions in class.Now,his grades have improved a lot,and his parents are proud of him. 7 高中必修第二册沪教版 【Unit2】 词义辨析及同义替换精讲 参考答案 I单项选择 1.A2.A3.A4.A5.A6.A7B8.A9.A10.A Ⅱ.根据句意及汉语提示完成单词 1.previous 2.brief 3.effect 4.performance 5.proposed 6.eager ⅡI.用所给单词的适当形式填空 1.frequently 2.motivated 3.mood 4.documents 5.performance V.完成句子 1.had an effect on 2.is eager to 3.performance 4.documents V.语篇填空 1.previous 2.often 3.performance 4.suggested 5.motivated 6.eagerly 8