Unit 1 No Limits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）

高中沪教版 【必修第二册】 Unit1词义辨析及同义替换精讲 高中专版 【Unit 1】No Limits 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 blame /blemm/v.把…归咎于；impr'ess/m'pres/v.使钦佩；给适合（新用途、新情况） 指责n.(坏事或错事的)责任：指…留下深刻的好印象 section/'sekn/n.节；部分；部 责 statistic/st'tIstrk/n.统计数字；门 theme/i:m/n.主题 统计资料 reveal /r'vi/v.揭示：显示：透 factor/'faekta(r)/n.因素；要素 seat belt/'si:t belt/n.(汽车或飞露 chemical/'kemikl/n.化学制品；机上的)安全带 author/'3:0a(r)/n.著者：作者 化学品adj.与化学有关的：化学solution/s3'lu:nln.解决办法；responsible/rI'sppnsabl/adj.负 的 处理手段 责：承担义务：有责任的 frightening'frartnu)/adj.使恐independent/,md'pendant/adj.limited/'lmitid/adj.有限的 惧的：骇人的 独立的：自主的 reliable/rI'larabl/adj.真实可信 pressure/'pre(r)/n.心理压力：surfing/'s3f/n.冲浪运动 的 紧张 adapt/a'dept/v.改编；改写：使extent/k'stent//n.程度：限度 词义辨析及同义替换 1.blame /bleim/v.把…归咎于：指责n.(坏事或错事的)责任；指责 词义辨析： blame:侧重”归咎于”，强调对错误或责任的追究，可接介词for(因…指责)或on(把责任 推给…)。 accuse:语气更强，指”指控、控告”，常与of连用(accuse sb.of sth.)。 同义替换： accuse,charge 例句： She blamed her failure on lack of preparation. 真题链接：（沪教版高中必修第二册同步练习） The manager the staff for the delay in the project. A blamed B praised C thanked(答案：A) 高中沪教版 【必修第二册】 Unit1词义辨析及同义替换精讲 2.theme/i:m/n.主题 词义辨析： theme:指文学、艺术作品的”中心思想”或活动的”主题”，抽象且贯穿始终。 topic:侧重讨论或文章的”话题”，范围较具体，可随时切换。 同义替换： topic,subject 例句： The theme of the novel is the struggle for freedom. 真题链接：（沪教版高中必修第二册单元测试） What is the Lof your speech?It's about environmental protection. A theme B result C problem (答案：A) 3.pressure/'pre()/n.心理压力；紧张 词义辨析： pressure:指来自外部的'压力、压迫感，可用于心理或物理层面。 stress:侧重因困难或焦虑产生的”精神压力”，常与under搭配(under stress)。 同义替换： stress,strain 例句： Students often feel pressure before exams 真题链接：（沪教版高中必修第二册同步练习） Too much from work made her feel tired. A pressure B pleasure C power (答案：A) 4.solution/s'lu:n/n.解决办法：处理手段 词义辨析： solution:指'解决问题的具体方法”，后接介词to(the solution to..)。 method:强调”做事的系统方法、步骤”，不特指解决问题。 同义替换： method,approach 例句： We need to find a solution to the pollution problem 真题链接：（沪教版高中必修第二册单元测试） Do you have ato improve your English? A solution B question C habit(答案：A) 5.independent/,md'pendant/adj.独立的：自主的 2 高中沪教版 【必修第二册】 Unit1词义辨析及同义替换精讲 词义辨析： independent:强调”不依赖他人、自主的”，反义词dependent。 self-reliant:侧重’自力更生的”，更强调依靠自己的能力。 同义替换： self-reliant,autonomous 例句： She is an independent woman who lives alone 真题链接：（沪教版高中必修第二册同步练习） After college,he became and started his own business. A independent B dependent C careless(答案：A) 6.adapt /a'dept/v.改编：改写；使适合（新用途、新情况） 词义辨析： adapt:指”调整以适应新环境或用途”，后接to(adapt to.):也可指”改编”作品。 adjust:侧重”细微调整以达到合适状态”，如调整设备、心态。 同义替换： adjust,modify 例句： He quickly adapted to the new school life. 真题链接：（沪教版高中必修第二册单元测试） It took her a long time to to the hot weather in the south. A adapt B adopt C admit (答案：A) 7.reveal /rI''vi:l/v.揭示；显示；透露 词义辨析： reveal::指'揭露隐藏的事实或情感'，如reveal a secret。 expose:侧重”暴露、使公开”，常含负面含义，如expose a lie。 同义替换： expose,disclose 例句： The survey revealed that most students like online learning. 真题链接：（沪教版高中必修第二册同步练习） The investigation the truth about the accident A revealed B covered Chid(答案：A) 8.responsible /rI'sppnsabl/adj.负责；承担义务；有责任的 词义辨析： responsible:强调'对某事负有责任'，后接for(be responsible for)。 liable:法律或正式语境中表示”有法律责任的'，后接for或to。 高中沪教版 【必修第二册】 Unit1词义辨析及同义替换精讲 同义替换： accountable,liable 例句： Parents are responsible for their children's education. 真题链接：（沪教版高中必修第二册单元测试） The company is_for the safety of its employees. A responsible B free C afraid (答案：A) 9.limited/'lmtd/adj.有限的 词义辨析： limited:指'数量、能力等有限的'，反义词unlimited。 restricted:侧重'受规则或条件限制的”，如restricted area（禁区)。 同义替换： restricted,finite 例句： Our time is limited,so we need to hurry. 真题链接：（沪教版高中必修第二册同步练习） The number of tickets is so you should buy them early A limited B enough C extra (答案：A) l0.reliable /r'larb/adj.真实可信的 词义辨析： reliable:指人或信息”可靠的、可信赖的”，强调一致性和准确性。 dependable:侧重”可依靠的”，指在需要时能提供支持。 同义替换： dependable,trustworthy 例句： This newspaper is a reliable source of information. 真题链接：（沪教版高中必修第二册单元测试） He is a friend who always helps me when I'm in trouble A reliable B lazy C careless (答案：A) 11.extent/k'stent/n.程度：限度 词义辨析： extent:指'范围、程度”，常用搭配to some extent(在某种程度上)。 degree:侧重'程度、等级'，如degree of difficulty(难度等级)。 同义替换： degree,scope 4 高中沪教版 【必修第二册】 Unit1词义辨析及同义替换精讲 例句： To what extent can technology solve environmental problems? 真题链接：（沪教版高中必修第二册同步练习） The of the damage caused by the storm was surprising. A extent B speed C time (答案：A) l2.impress/m'pres/v.使钦佩；给…留下深刻的好印象 词义辨析： impress:强调”通过行为或成就给人留下深刻印象”，后接with或on(impress sb.with sth.)。 impress on:表示，使某人牢记某事”。 同义替换： astonish,amaze 例句： Her confidence impressed the interviewers. 真题链接：（沪教版高中必修第二册同步练习） The beautiful scenery all the visitors. A impressed B bored C confused(答案：A) 综合演练 综合练习 一、 单项选择 1.The teacher the students for not finishing their homework on time. A blamed B praised C thanked 2.The of the film is about love and friendship,which runs through the whole story. A theme B topic Cresult 3.Under great from the exam,she couldn't sleep well for days. A pressure B stress C power 4.We need to find a to the problem of water shortage in this area. 5 高中沪教版 【必修第二册】 Unit1词义辨析及同义替换精讲 A solution Bmethod C question 5.After living abroad for years,she became more and could manage everything alone. A independent B self-reliant C dependent 6.It took him a month to to the new working environment A adapt B adjust C adopt 7.The report that over 60%of students prefer online learning. A revealed B exposed Chid 8.The government is for protecting the environment and people's health. A responsible B liable C afraid 9.The number of seats means we need to book tickets in advance. A limited B restricted C extra 10.This website provides information about global climate change. A reliable B dependable C careless 二、根据句意及首字母提示填空 1.The s to the math problem is not easy for most students. 2.She is an i girl who never asks her parents for help. 3.To what e can we trust this new technology? 4.The surveyr_ that many teenagers feel lonely without friends. 6 高中沪教版 【必修第二册】 Unit1词义辨析及同义替换精讲 5. The company isr for the quality of its products. 6.He a to the cold weather after staying in the north for a year. 三、用所给单词的适当形式填空 1.She is a _(depend)person who always keeps her promises. 2.We need to find a (solve)to the traffic jam problem. 3.The (press)of the competition made him very nervous. 4.He (adapt)quickly to the new school and made friends soon. 5.The (reveal)of the secret caused a lot of trouble 6.Parents should teach their children to be (independence)from a young age. 四、完成句子（每空一词) 1.他把失败归咎于运气不好。 He his failure bad luck. 2.我们还没有找到这个问题的解决办法。 We haven't found the this problem yet. 3.她花了很长时间才适应新的工作节奏。 It took her a long time to the new work rhythm. 4.这项研究揭示了压力与健康之间的关系。 The research the relationship stress and health. 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。 Nowadays,many students face heavy(press)from exams and homework.Some even blame their parents pushing them too hard.To solve this problem,schoolsneed to find a (solve) that balances study and rest.Teachers should help students learn to(adapt)to stress and develop _(depend)learning habits.A survey(reveal)that students who are more (independence)have better mental health.In fact,the(extent)of students'happiness depends on their ability to manage pressure. 7 高中沪教版 【必修第二册】 Unit1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.A7.A8.A9.A10.A Ⅱ.根据句意及首字母提示填空 1.solution 2.independent 3.extent 4.revealed 5responsible 6.adapted I.用所给单词的适当形式填空 1.dependable 2.solution 3.pressure 4.adapted 5.revelation 6.independent V.完成句子 1.blamed;on 2.solution to 3.adapt to 4.revealed;between V.语篇填空 1.pressure 2.for 3.solution 4.adapt 5.dependent 6.reveals 7.independent 8.extent 8