Unit 3 On the move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（外研版）

高中外研版必修第二册 【Unit3】 On the move词义辨析及同义替换精讲 词汇精讲 【Unit3】On the move 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 surfing/'s3:fi如/n.冲浪（运动） 心满意足地 conflict/'kDnflikt/n.武装冲突， represent/,reprI'zent/v.代表，表plastic/'plaestrk/adj.塑料制的 战斗，战争 示 factor/'faekta()/n.因素，要素 death/de0/n.死，死亡 goal/g/n.球门 defend/d'fend/v.(在比赛中)assure/afa)/v.向…保证， basis/'beisis/n.基础；根据 防守，防卫 使确信 equipment/M'kwipmant/n.装备，twist/twIst/n.（形势或事态的)chart∫a:t/v.记录，跟踪（变化 设备，用具 意外转折 或进展) content /kan'tent/n.满意，满足soldier/'swld3a/n.士兵，军ideal/a'di:l/adj.理想的，最好 to one's heart's content尽情地；人 的 词义辨析及同义替换 represent/,repri'zent/v.代表，表示 词义辨析： represent::侧重“代表某人/团体”或“象征、表示某事物”，较正式，可用于政治、商业等语境。 stand for:含义更广，可指“代表符号、缩写”或“支持某观点”，口语化稍强。 同义替换： stand for,symbolize 例句： The five stars on the flag represent the five ethnic groups. 真题链接：（外研版高中必修第二册同步练习） The red rose love in many cultures. A.represents B.defends C.charts(答案：A) 2.basis/'beisis/n.基础；根据 词义辨析： basis:指抽象的“基础、原则”，如理论、讨论的依据，常用搭配on the basis of。 高中外研版必修第二册 【Unit3】 On the move词义辨析及同义替换精讲 base: 侧重具体的“根基、底座”，如建筑物的基础，或军事、工作的基地。 同义替换： foundation,ground 例句： We make decisions on the basis of facts,not emotions. 真题链接：（外研版高中必修第二册单元检测） Trust is the of any good relationship. A.equipment B.basis C.factor (答案：B) 3.ontent/kan'tent/n.满意，满足&adj.满意的 词义辨析： content(n.):指内心的“满足感”，不可数；作形容词时表“满足的”，后接with。 satisfaction: 仅作名词，强调“需求得到满足”，比content更正式，可用于抽象或具体事物。 同义替换： satisfaction,fulfillment (n.);satisfied (adj. 例句： She finds content in simple things like reading and gardening. 真题链接：（外研版高中必修第二册词汇练习） After finishing the project,we felt a sense of A.content B.death C.twist(答案：A) 4.factor/faekta(r)/n.因素，要素 词义辨析： factor:指影响某事结果的“具体因素、要素”，强调其作用和关联性。 element:侧重构成整体的“基本元素”，如化学元素或抽象概念的组成部分。 同义替换： element,aspect 例句： Exercise and diet are key factors in maintaining health 真题链接：（外研版高中必修第二册阅读理解） Which most affects students'exam performance? A.conflict B.factor C.ideal(答案：B) 5.defend/dr'fend/v.(在比赛中)防守，防卫 词义辨析： defend:侧重“保卫、防御”，可指比赛中的“防守”或保护某人W某物免受攻击。 protect::强调“保护免受伤害”，对象多为具体的人或物，常用搭配protect..from。 2 高中外研版必修第二册 【Unit3】 On the move词义辨析及同义替换精讲 同义替换： protect,guard 例句： The team needs to defend well to win the match. 真题链接：（外研版高中必修第二册单元测试） Parents should their children from danger. A.defend B.assure C.twist (答案：A) 6.assure /a'f心3(r)/v.向…保证，使确信 词义辨析： assure:侧重“通过话语消除疑虑”，后接人作宾语，常用搭配assure sb.that/of。 ensure:强调“采取措施确保某事发生”，后接事物作宾语，如ensure success。. 同义替换： guarantee,convince 例句： The teacher assured us that the exam would be fair 真题链接：（外研版高中必修第二册语法填空) I can you of my support at any time. A.assure B.chart C.represent (答案：A) 7. ideal/ar'di:l/adj.理想的，最好的 词义辨析： ideal:指“完美的、符合理想的”，强调与期望完全一致，略带抽象。 perfect:侧重“没有缺点的、绝对完美的”，可用于具体事物或行为。 同义替换： perfect,optimal 例句： This house is ideal for a large family-it has five bedrooms. 真题链接：（外研版高中必修第二册阅读理解） What is the temperature for storing fresh fruit? A.plastic B.ideal C.silent (答案：B) 8.wist/twIst/n.(形势或事态的)意外转折 词义辨析： wst:指故事、事件中的“意外转折”，强调情节的突然变化。 tum:含义更广，可指“方向转变”或“事态的一般变化”，不如wist强调“意外性”。 同义替换： turn,unexpected change 3 高中外研版必修第二册 【Unit3】 On the move词义辨析及同义替换精讲 例句： The movie's ending has a surprising twist that no one predicted. 真题链接：（外研版高中必修第二册完形填空） Just when we thought we'd won,a in the game made us lose. A.twist B.goal C.conflict(答案：A) 9.conflict/konflikt/n.武装冲突，战斗，战争 词义辨析： conflict:指大规模的“武装冲突、战争”，或观点、利益的“矛盾”，较正式。 fight:侧重具体的“打斗、争吵”，规模可大可小，口语化强。 同义替换： war,battle 例句： The two countries ended the conflict after three years of fighting. 真题链接：（外研版高中必修第二册历史类阅读） The between the two tribes lasted for decades A.conflict B.soldier C.equipment(答案：A) 10.chart/tfa:t/v.记录，跟踪（变化或进展） 词义辨析： chat:指用图表“系统记录、跟踪数据或进展”，强调可视化和规律性。 ecord:侧重“客观记录事实、事件”，不强调形式，可用于文字或数据。 同义替换： track,record 例句： Scientists chart the temperature changes over the past century. 真题链接：（外研版高中必修第二册科学类阅读） We need to the growth of the plants every week. A.chart B.defend C.assure(答案：A) 综合演练 综合练习 单项选择 1.The Olympic rings the five continents of the world. 高中外研版必修第二册 【Unit3】 On the move词义辨析及同义替换精讲 A.represent B.defend C.chart 2.Success in study is built on the of hard work and good methods. A.equipment B.basis C.conflict 3.After solving the difficult problem,she felt a deep sense of A.content B.twist C.ideal 4.Climate is a key affecting agricultural production. A.factor B.element C.aspect 5.The soldiers were ordered to the city against enemy attacks. A.protect B.defend C.assure 6.The manager the customers that the product quality would be improved. A.ensured B.assured C.convinced 7.This quiet village is an place for people who want to escape city noise A.ideal B.perfect C.optimal 8.The novel's ending has an unexpected that surprises all readers. A.turn B.twist C.conflict 9.The between the two countries finally ended with a peace agreement A.fight B.conflict C.battle 高中外研版必修第二册 【Unit3】 On the move词义辨析及同义替换精讲 10.Researchers need to the data over a period of five years to see the trend. A.record B.track C.chart 二、根据句意及首字母提示填空 1.The red crossr_ humanitarian aid in many countries. 2.On the b of our investigation,we can draw this conclusion 3.She lives a simple life and finds c in reading books. 4.Health and education are important f influencing personal development. 5.The team's strong d helped them win the football match. 6.The teacher aus that the test would be easy if we prepared well. 三、用所给单词的适当形式填空 1.The data collected will be(chart)in a line graph for better analysis. 2.She is (content)with her current job and has no plan to change it. 3.The (basis)of their friendship is mutual trust and respect. 4.We need to consider all(factor)before making the final decision. 5.The company tries to (assure)customers of its product safety through strict testing. 四、完成句子（每空一词) 1.这面旗帜代表着国家的独立和自由。 The flag the country's independence and freedom. 2.我们应该根据事实而不是谣言做决定。 We should make decisions facts,not rumors. 3.父母有责任保护孩子免受危险。 Parents have the responsibility to their children danger 4.科学家们正在跟踪这种新病毒的传播情况。 Scientists are the spread of this new virus. 6 高中外研版必修第二册 【Unit3】 On the move词义辨析及同义替换精讲 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。 Good communication is the (1)(basis/base)of any healthy relationship.It can (2)(represent/stand for)mutual understanding and respect.One key(3)(factor/element) in communication is listening.When people feel heard,they gain a sense of (4)(con- tent/satisfaction).However,misunderstandings may lead to(5)(conflict/fight).To avoid this,we should (6)(assure/ensure)that our messages are clear and honest.Keeping a journal to (7)(chart/record)communication experiences can also help improve skills.In an(8) (ideal/perfect)communication process,both sides feel valued and respected. 参考答案 I.单项选择 1.A2B 3.A4.A5B6B7.A8.B9B 10.C IⅡ.根据句意及首字母提示填空 1.represents 2.basis 3.content 4.factors 5.defense 6.assured I用所给单词的适当形式填空 1.charted 2.content 3.basis 4.factors 5.assure V.完成句子 1.represents 2.on the basis of 3.defend from 4.charting V.语篇填空 1.basis 2represent 3.factor 4.content 5.conflict 6.ensure 7.chart 8.ideal 7