Unit 3 On the move-2026-2027学年高中英语词汇精讲精练必修第二册（外研版）

Unit 3 On the move 词汇精讲精练 核心词汇概览： surfing;represent;goal;basis;equipment;content;to one's heart's content;plastic; factor;defend;twist;soldier;conflict;death;assure;chart;ideal 词汇精讲 序号 单词/短语 词汇讲解 represent 释义：v.代表，表示 /reprI'zent/ 词汇变形：representation()代表；表现；representative(adj./h)有 代表性的：代表 搭配：representsb./sth.代表某人/某物；represent.a.把…描绘 成；represent oneselfas自称是 辨析：represent侧重代表身份或象征，stand for多指符号或缩写含 义，而symbolize强调象征意义 例句：The red line on the map represents the boundary. 地图上的红线代表边界。 2 basis 释义：n基础；根据 /'beisIs/ 词汇变形：base(n.w)基础：以…为基础；basic(adj)基本的； basically(adv)基本上 搭配：on the basis of在…基础上；basis for sth.…的基础；provide a basis for为…提供基础 注意：复数bases/bersi:z/;辨析basis与foundation:basis多指 抽象根据，foundation常指具体或抽象地基 例句：Decisions should be made on a rational basis.. 决策应在理性基础上做出。 content 释义：n.满意，满足 /kan'tent/ 词汇变形：contented(adj,)满足的：contentment()满足：注意与 /'kontent/(内容)音义不同 搭配：to one's heart's content尽情地：be content with对…满足； content oneself with满足于. 辨析：satisfied侧重需求被满足，content强调内心平静知足 例句：He sighed with content after a good meal.. 一顿美餐后他满足地叹了口气。 factor 释义：n.因素，要素 /'faekta(r)/ 词汇变形：fact(n)事实（同源）；factorial(adj.)因子的；factor in/ into把…纳入考虑 搭配：key/crucial factor关键因素；risk factor风险因素；factor sth.in将计入 例句：Many factors led to the economic crisis. 许多因素导致了经济危机。 defend 释义：V.(在比赛中)防守，防卫 /dr'fend/ 词汇变形：defence/defense(n.)防御；defendant()被告； defensive(adj)防御的；defensible(adj.)可辩护的 搭配：defend against抵御；defend sb./sth.fiom保护…免受： defend oneself自卫；defend one's title卫冕 辨析：protect范围更广，defend强调积极对抗威胁 例句：The soldiers defended the city from attack. 士兵们保卫城市免受攻击。 twist 释义：n.(形势或事态的)意外转折 /twIst/ 词汇变形：twist(v,)扭转；扭曲；twisted(adj)扭曲的；twister() 龙卷风；骗子 搭配：a twist of fate命运的转折；plot twist情节转折；twist and tum迂回曲折；givesth.a twist给·一个新意 例句：The movie had a shocking twist at the end. 电影结尾有一个令人震惊的转折。 conflict 释义：n.武装冲突，战斗，战争 /'kpnflikt/ 词汇变形：conflict(v)/kn'frkt/冲突：conflicting(adj.)冲突的； conflict of interest利益冲突 搭配：in conflict with与…冲突；armed conflict武装冲突；resolve a conflict解决冲突 辨析：conflict常指激烈对抗，dispute多指争论，war指全面战争 例句：The two countries have been in conflict for decades. 这两个国家已冲突数十年。 8 assure 释义：v.向…保证，使确信 /a'foa(r)/ 词汇变形：assurance(m)保证；自信；assured(adj)自信的；确定 的；assuredly(adv.)确定地 搭配：assure sb.of sth.向某人保证某事；assure sb.that..向某人保 证…；1 est assured放心；assure success确保成功 辨析：assure使人放心，ensure确保某事发生，insure投保 例句：I assure you that the package will arrive on time. 我向你保证包裹会准时到达。 chart 释义ⅴ记录，跟踪（变化或进展） /tSa:t/ 词汇变形：chart(n)图表；chartable(adj)可记录的：charter(m)宪 章；包租 搭配：chart the progress记录进展；chart a course制定路线；chat out规划；chart the development跟踪发展 例句：Doctors chart patients'symptoms every day, 医生每天记录病人的症状。 10 ideal 释义：adj.理想的，最好的 /ar'di:al 词汇变形：ideally(adv,)理想地；idealism(n,)理想主义；idealist (.)理想主义者；idealize(v)理想化 搭配：an ideal opportunity绝佳机会；ideal for对…理想；ideal world理想世界；in an ideal world在理想情况下 辨析：perfect强调完美无缺，ideal强调符合心中理想 例句：This beach is ideal for swimming: 这片海滩是游泳的理想之地。 二、专项训练 (一)单句填空（在空白处填入1个适当的单词或括号内单词的正确形式） 1.The statue (represent)the unity of the nation. 2.We reached an agreement the basis of mutual respect 3.After a long day,she sat down with a feeling of (content). 4.Many (factor)contributed to the success of the project. 5.The team (defend)their goal bravely throughout the match 6.The play's ending has an unexpected (twist)that surprised everyone 7.The two groups are in_ (conflict)over the use of the land. 8.1 (assure)you that the plan will work. 9.Scientists (chart)the movement ofthe glacier for years. 10.This apartment is (ideal)for a young family. (二)单句表达（根据汉语提示，用本单元核心词汇/短语完成句子） 1.每个国家都有权选择自己的代表。 Every country has the right to its own 2这些决策应基于科学研究。 These decisions should be made scientific research. 3她对现在的生活很满意。 She is her present life. 4.健康是决定幸福的关键因素。 Health is a in determining happiness. 5.军队成功抵御了入侵。 The army successfully the invasion. 6.故事的高潮部分有一个惊人的转折。 There is a surprising the climax of the story 7我向你保证此事完全属实。 I that this is completely true. 8医生一直跟踪病人的恢复情况。 The doctor the patient's recovery. 9这个地方是度假的理想选择。 This place is a holiday. 10.两国之间的冲突终于得到了解决。 The the two countries was finally resolved. (三)短文填空 Last year,our school football team had a crucial match.The coach 1. (assure)us that we could win if we worked together.The match started well;our team 2. (defend)strongly.However,there was an unexpected 3. (twist)in the second half when the opponent scored.The 4. _(conflict)between the two teams became intense Our captain 5. (represent)the spirit of never giving up.He encouraged us to keep fighting.One key 6. (factor)that helped us was our teamwork.Finally,we scored two goals and won.That victory was an 7. (ideal)result for us.We felt a sense of8. (content).Later,the coach 9. (chart)our performance and pointed out areas to improve.Our success was built on the 10. (basis)of hard work.Ilearned that every small effort 11. (factor)in the final outcome. 三、参考答案 (一)单句填空 1represents;2.on;3.content;4.factors;5.defended;6.twist;7.conflict;8.assure; 9.charted;10.ideal (二)单句表达 1.choose;representatives;2.on the basis of;3.content with;4.key factor;5.defended against;6.twist at;7.assure you;8.charted;9ideal for;10.conflict between (三)短文填空 1.assured;2.defended;3.twist;4.conflict;5.represented;6.factor;7.ideal;8.content; 9.charted;10.basis;11.factored