Unit 1 No Limits二-2025-2026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 【寒假专版】 D版词义辨析及同义替换精讲 寒假专版 【Unit1】No Limits二 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 judgement/d3Ad3mant/n.看法：就；成绩 curiosity/kjoari'Dsati/n.好奇 评价；判断力：识别力 ski/ski/v.滑雪（运动）n.滑雪心；求知欲 issue/u:/n.重要议题；争论的板 eyewitness/'arwitnas/n.目击者； 问题 quit /kwit/V.离开（工作职位、见证人 strategy/'straetad3in.策略；计学校等)：离任 account/A'kant/n.描述；叙述； 策：行动计划 charity /'tfaerati/n.慈善；赈济；报告：账户 conduct /kan'dkt/v.组织；安慈善机构；慈善事业 preserve /pri'Z3v/V.保护；维护； 排；实施 disease/d'zi:z/n.疾病 保留：贮存；保鲜 confidence/'konfidans/n.自信reaction /ri'ekn/n.反应；回应；base /beis/n.根基；基底；底座； 心 生理反应：副作用 据点；总部 adventurer/Ad'ventfara(t)/n.冒dizy/'dzi/adj.头晕目眩的 continent/'kpntinant/n.大陆：陆 险者：冒险家 incredible /i'kredabl/adj.极好地；洲 achievement'ti:vmant/n.成的：极大的：难以置信的 词义辨析及同义替换 1.issue/'u/n.重要议题；争论的问题 词义辨析： issue:侧重指“有争议的重要议题”，涉及公共事务、社会问题等，正式用语，如environmental issues(环境问题)。 problem:普通用词，泛指“需要解决的难题、麻烦”，范围更广，可指个人或具体事务中的问题。 同义替换： topic,problem 例句： The main issue discussed at the meeting was climate change. 真题链接：（沪教版高中必修第二册同步练习） The government is trying to solve the of housing for low-income families. 1 高中必修第二册沪教版 【寒假专版】 D版词义辨析及同义替换精讲 A.result B.issue C.advice (答案：B) 2.conduct /kan'dwkt/v.组织：安排：实施 词义辨析： conduct:强调“有计划、有条理地组织或进行”，多用于正式场合，如conduct research(开展研 究)、conduct a survey(实施调查)。 organize:侧重“筹备、安排人员或事物的结构”，更口语化，如organize a party(组织派对)。 同义替换： organize,carry out 例句： The scientist conducted a series of experiments to test the theory. 真题链接：（沪教版高中必修第二册单元测试） Our school will __a sports meeting next month.All students are welcome to take part. A.conduct B.find C.lose(答案：A) 3.confidence/'kpnfidans/n.自信心 词义辨析： confidence:指对自己能力、判断的“自信”，不可数名词，搭配have confidence in(对…有信 心)。 self-confidence::与confidence含义基本一致，但更强调“自我信心”，书面语中可互换。 同义替换： self-assurance,faith 例句： She gained confidence after winning the speech competition 真题链接：（沪教版高中必修第二册练习册） With the support of her family,Mary built up her and decided to try again. A.confidence B.difficulty C.sadness(答案：A) 4.achievement/3'ti:vment/n.成就：成绩 词义辨析： achievement:指通过努力获得的“重大成就、功绩”，如scientific achievements(科学成就)。 accomplishment:侧重“完成某事的能力或成果”，可指较小的成绩，如language accomplishments (语言能力)。 同义替换： feat,success 例句： His main achievement was developing a new type of energy-saving material 2 高中必修第二册沪教版 【寒假专版】 D版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检测） The athlete's greatest was breaking the world record. A.achievement B.preparation C.challenge (答案：A) 5. preserve /prI'Z3:v/V.保护；维护；保留 词义辨析： preserve:强调“保持原样、防止损坏或变质”，如preserve ancient buildings(保护古建筑)preserve food(保存食物)。 protect::侧重“防御外界伤害”，搭配protect.from(保护…免受…)，如protect children from danger(保护儿童免受危险)。 同义替换： protect,maintain 例句： We must preserve our cultural heritage for future generations. 真题链接：（沪教版高中必修第二册同步练习） Forests play an important role in the ecosystem A.preserving B.destroying C.changing(答案：A) 6.base/beis/n.根基；基底；据点 词义辨析： base:指具体事物的“底座、根基”或抽象的“基础”，如the base of a statue(雕像底座)、economic base(经济基础)。 basis:仅指抽象的“基础、根据”，如on the basis of（在…基础上)，不可用于具体事物。 同义替换： foundation,base 例句： The company has its base in Shanghai. 真题链接：（沪教版高中必修第二册练习册） Trust is the of a good relationship. A.base B.result C.secret(答案：A) 7. account./A'kaont/n.描述；叙述；报告 词义辨析： account:指对事件的“详细描述、陈述”，如a first-hand account(第一手叙述)。 description:侧重对人或事物的“特征描述”，如a description of the scenery(风景的描述)。 同义替换： narration,report 例句： The eyewitness gave a clear account of the accident. 高中必修第二册沪教版 【寒假专版】 D版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阅读训练） According to the in the newspaper,the fire was caused by a short circuit. A.account B.instruction C.invitation (答案：A) 8.continent/'kontinant/n.大陆：陆地：洲 词义辨析： continent:指地球上的“大洲、大陆”，如Asia is the largest continent(亚洲是最大的洲)。 land:泛指“陆地”，区别于海洋，如animals living on land(陆地动物)。 同义替换： mainland,landmass 例句： Explorers arrived on the continent and began to settle there. 真题链接：（沪教版高中必修第二册地理相关练习） Africa is a】 with rich natural resources and diverse cultures. A.continent B.country C.city（答案：A) 9.charity/t∫erti/n.慈善；慈善机构 词义辨析： charity:指“慈善事业”或“慈善机构”，如raise money for charity（为慈善筹款)。 charitable organization:与charity含义相同，但更强调“组织”属性，正式用语。 同义替换： philanthropy,nonprofit 例句： The local charity provides food and shelter for homeless people 真题链接：（沪教版高中必修第二册社会话题练习） Many volunteers work for to help those in need. A.charity B.business C.competition 1(答案：A) l0.reaction/ri'ek/n.反应：回应 词义辨析： reaction: 指对某事的“即时反应、生理反应”，如a chemical reaction(化学反应)、reaction to news(对消息的反应)。 response:侧重“有意识的回应、答复”，如a response to a letter(回信)。 同义替换： response,feedback 例句： Her reaction to the surprise was to laugh loudly 高中必修第二册沪教版 【寒假专版】 D版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语法练习） What was yourwhen you heard the good news? A.reaction B.question C.promise (答案：A） ll.incredible/m'kredabl/adj.极好的：难以置信的 词义辨析： incredible:指“令人惊讶的、极好的”，如incredible beauty(惊人的美丽)。 unbelievable:与incredible含义相近，但更口语化，强调“难以相信”，如an unbelievable story (难以置信的故事)。 同义替换： amazing,fantastic 例句： The view from the mountain top was incredible 真题链接：（沪教版高中必修第二册阅读拓展） The team made ancomeback in the final minutes of the game. A.incredible B.ordinary C.boring(答案：A) l2.strategy/'straetad3in.策略；计策 词义辨析： strategy:指“长期的行动计划、战略”，如business strategy(商业战略)。 tactic:侧重“具体的战术、技巧”，用于实现战略的短期手段，如marketing tactics(营销策略)。 同义替换： plan,approach 例句： The company's new strategy helped increase its market share. 真题链接：（沪教版高中必修第二册单元测试） To solve the problem,we need to develop a practical rather than just talk A.strategy B.excuse C.habit(答案：A) 综合演练 综合练习 一、 单项选择 1.The government is working hard to solve the of unemployment in big cities. A.result B.issue 5 高中必修第二册沪教版 【寒假专版】 D版词义辨析及同义替换精讲 C.advice 2.Our school plans to a science fair next month to show students'inventions. A.conduct B.find C.lose 3.With the teacher's encouragement,Tom built up his and decided to speak at the meeting. A.confidence B.difficulty C.sadness 4.Winning the Olympic gold medal is the greatest in the athlete's life. A.achievement B.preparation C.challenge 5.We should try to our traditional culture for future generations. A.preserve B.destroy C.change 6.Trust is the of any strong and lasting friendship. A.base B.result C.secret 7.According to the in the book,the ancient city was founded over 2,000 years ago. A.account B.instruction C.invitation 8.Asia is the largest in the world,with a population of over 4 billion. A.continent B.country C.city 9.Many people volunteer to work for during holidays to help the poor. A.charity B.business C.competition 10.Her to the sudden news was to cry loudly in front of everyone A.reaction 6 高中必修第二册沪教版 【寒假专版】D版词义辨析及同义替换精讲 B.question C.promise 二、根据句意及汉语提示完成单词 1.The team's (in winning the championship surprised everyone. 2.We need to develop a new()to improve our sales this year. 3.The old building is a historical treasure and must be (well. 4.She has great (in her ability to solve the problem alone. 5.The()of Antarctica is covered with ice all year round. 6.His (of the accident helped the police find the cause. 三、用所给单词的适当形式填空 1.The scientist spent five years (conduct)research on climate change. 2.My brother's main (achieve)is getting into his dream university. 3.You should have (confident)in yourself when facing challenges. 4.The local (charity)has raised over 1 million yuan for homeless children. 5.It's (incredible)that he finished the 1000-meter race in 2 minutes. 四、完成句子 1.1 The company'snew(helped it increase profits by 30%. 2.She (建立信心)after passing the difficult exam. 3.We must (保护野生动物)from being hunted illegally. 4.His (对新闻的反应)was calm and rational, 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。 1 高中必修第二册沪教版 【寒假专版】 D版词义辨析及同义替换精讲 The environment is one of the most important (issue)in the world today.To solve it,scientists are (conduct)research on renewable energy.They believe that developing new energy sources is a great (achieve).At the same time,everyone should have (confident)in protecting the earth.For example,we can(preserve)water by taking shorter showers.The(base) of a green life is small daily actions. 参考答案 I单项选择 1B2.A3.A4.A5.A6.A7.A8.A9.A10.A Ⅱ.根据句意及汉语提示完成单词 1.achievement 2.strategy 3.preserved 4.confidence 5.continent 6.account ⅡI.用所给单词的适当形式填空 1.conducting 2.achievement 3.confidence 4.charity 5.incredible V.完成句子 1.strategy 2.built up confidence 3.preserve wild animals 4.reaction to the news V.语篇填空 1.issues 2.conducting 3.achievement 4.confidence 5.preserve 6.base P