Unit 4 Information Technology Topic Talk-2025-2026学年高中英语词义辨析及同义替换精讲必修第二册（北师大版）

高中必修2北师大版 【寒假专版】 词义辨析及同义替换精讲 寒假专版 【Unit4】Information Technology Topic Talk 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 app/p/n.应用程序 迷的：沉迷的 表个人的)头像，虚拟替身，图 enable /1'nebl/t.使可能，使发be addicted to沉迷 标 生 indeed /m'di:d/adv.确实；当然explore /ik'splb/v.探究；探讨： convenience /kan'vi:nians/n. download/.dan'lewd/v.下载 探险 便，便利 recommendation /.reka-personality /.p3:sa'naelati/n. effect/I'fekt/n.效应；影响 men'derfn/n.建议，提议：推性，性格 impact/'mpakt/n.影响：作用荐 admit/ad'mtvi.&vt.承认 self-focused adj.以自我为中心super/'sp3/ad.极好的，了不alarm/'lam/n.闹钟 的：关注自我的 起的 addicted/e'dktd/adj.对…着*avatar/'evata:/n.(网络上代 词义辨析及同义替换 1.effect'fekt/n.效应；影响 词义辨析： effect:侧重指“因果关系中的结果”，强调影响的“效果、效应”，是名词，常用搭配have an effect on(对…有影响)。 impact:侧重指“强烈的、有冲击力的影响”，可作名词或动词，作名词时常用搭配have an impact on(对…产生冲击/影响)。 同义替换： influence,result 例句： The new policy had a positive effect on the local economy 真题链接：（北师大版高中必修2同步练习) The Internet has a great_on people's daily life. 高中必修2北师大版 【寒假专版】 词义辨析及同义替换精讲 A.effect B.impact C.convenience (答案：B) 2.enable /I'nebl/t.使可能，使发生 词义辨析： enable:侧重“赋予能力、创造条件使某事发生”，常用搭配enable sb.to do sth.(使某人能够做 某事)。 allow:侧重“允许、许可”，强调不禁止，常用搭配allow sb.to do sth.(允许某人做某事)。 同义替换： empower,permit 例句： Modern technology enables us to communicate with people around the world easily. 真题链接：（北师大版高中必修2单元测试） This new software will_users to edit videos more efficiently. A.enable B.admit C.explore(答案：A) 3.admit/ad'mt/vi.&vt.承认 词义辨析： admit:侧重“不情愿地承认错误、事实或责任”，后可接名词、动名词或that从句，如admit doing sth. acknowledge:侧重“公开承认或认可某事的真实性”，语气更正式，如acknowledge the truth。 同义替换： confess,recognize 例句： He finally admitted breaking the window by mistake. 真题链接：（北师大版高中必修2同步练习） She_that she had lied to her parents. A.admitted B.enabled C.explored (答案：A) 4.explore/k'splb/V.探究；探讨；探险 词义辨析： explore:侧重“深入研究、探索未知领域或可能性”，既可指地理上的探险，也可指思想上的探 究。 research:侧重“系统地研究、调查以获取信息”，常与介词into搭配，如research into a problem。 同义替换： investigate,probe 例句： Scientists are exploring ways to cure this disease. 2 高中必修2北师大版 【寒假专版】 词义辨析及同义替换精讲 真题链接：（北师大版高中必修2单元测试） We need to_the relationship between technology and society. A.explore B.admit C.download (答案：A) 5. convenience /kan'vi:nians/n.方便，便利 词义辨析： convenience: 侧重“为某人提供的便利或方便的条件”，是名词，常用搭配for convenience(为 了方便)。 convenient: 是其形容词形式，侧重“某物或某事方便使用或做”，常用it is convenient for sb.to do sth. 同义替换： ease,comfort 例句： The app brings great convenience to our daily life 真题链接：（北师大版高中必修2同步练习） Online shopping is popular because of its_ A.convenience B.effect C.impact (答案：A) 6.addicted/A'diktid/adj.对…着迷的；沉迷的 词义辨析： addicted:强调“对某种习惯或活动上瘾，无法自制”，常用搭配be addicted to(沉迷于…)，to 后接名词或动名词。 cazy:口语中表示“狂热的、着迷的”，程度较浅，常用搭配be crazy about(对…痴迷)。 同义替换： obsessed,hooked 例句： Teenagers should avoid being addicted to online games. 真题链接：（北师大版高中必修2单元测试） He is-to reading novels on his phone A.addicted B.super C.self-focused (答案：A) 7.self-focused adj..以自我为中心的：关注自我的 词义辨析： self-focused:侧重“只关注自己的需求和感受，不顾他人”，是形容词，强调主观上的自我中心。 selfish:侧重“自私的，不愿分享或帮助他人”，语气更负面，强调行为上的利己。 同义替换： self-centered,egocentric 例句： A self-focused person often ignores others'opinions. 23 高中必修2北师大版 【寒假专版】 词义辨析及同义替换精讲 真题链接：（北师大版高中必修2同步练习） Don't be too_;try to care about others around you. A.self-focused B.addicted C.super (答案：A) 8.super/'spa/adj.极好的，了不起的 词义辨析： upr:口语中常用，强调“非常好、令人印象深刻”，语气轻松随意。 excellent:正式用语，侧重“品质、能力等卓越、优秀”，程度比super更深。 同义替换： great,fantastic 例句： The movie we watched last night was super interesting 真题链接：（北师大版高中必修2同步练习) How was your trip to the museum?-It was_!I learned a lot. A.super B.self-focused C.addicted (答案：A) 9.indeed/m'di:d/adv.确实；当然 词义辨析： indeed:侧重“加强语气，表示确实、的确如此”，常用于肯定前文内容，或回应他人时表示同 意。 1ealy:口语中使用更广，表示“真正地、确实”，可用于疑问、感叹或陈述句。 同义替换： truly,certainly 例句： The new technology is indeed changing our life. 真题链接：（北师大版高中必修2同步练习） -Is this app useful?一_！It helps me a lot. A.Indeed B.Super C.Exactly(答案：A) 10.download/,dan'la5d/V.下载 词义辨析： download:指“从互联网或其他设备上下载数据、文件等”，是动词，其反义词是upload(上传)。 nstall:指“安装软件或应用程序到设备上”，强调将程序部署到系统中以便使用。 同义替换： save,retrieve 例句： You can download the app from the official website. 4 高中必修2北师大版 【寒假专版】 词义辨析及同义替换精讲 真题链接：（北师大版高中必修2单元测试） Pleasethe document before the meeting starts. A.download B.explore C.admit (答案：A) ll.recommendation/,rekamen'dern/n.建议，提议；推荐 词义辨析： recommendation:侧重“正式的推荐或建议”，常来自权威人士或专业人士，是名词，动词形式 为recommend.。 suggestion: 侧重“非正式的、个人的建议”，语气较随意，是名词，动词形式为suggest。. 同义替换： advice,proposal 例句： The teacher gave me a recommendation for a good book. 真题链接：（北师大版高中必修2同步练习） Can you give me afor a useful learning app? A.recommendation B.convenience C.effect (答案：A) 12.personality/.p3 se'naelati/n.个性，性格 词义辨析： personality:侧重“个人独特的性格、气质或为人处世的方式”，是名词，如a cheerful personality。. character:侧重“性格中稳定的品质或道德特征”，也可指“角色、人物”。 同义替换： character,individuality 例句： Her outgoing personality makes her popular among friends. 真题链接：（北师大版高中必修2单元测试） Different people have different_. A.personalities B.avatars C.alarms (答案：A) 综合演练 综合练习 一、 单项选择 1.The new policy had a positive-on the local economy. A.effect B.impact 高中必修2北师大版 【寒假专版】 词义辨析及同义替换精讲 C.convenience 2.Modern technologyus to communicate with people around the world easily. A.enables B.allows C.permits 3.He finally breaking the window by mistake. A.admitted B.acknowledged C.confessed 4.Scientists areways to cure this disease. A.exploring B.researching C.investigating 5.Online shopping is popular because of its_ A.convenience B.convenient C.ease 6.Teenagers should avoid being to online games. A.addicted B.crazy C.obsessed 7.Don't be too;try to care about others around you. A.self-focused B.selfish C.self-centered 8.-How was your trip to the museum?-It was!I learned a lot. A.super B.excellent C.fantastic 9.-Is this app useful?-!It helps me a lot A.Indeed B.Really C.Truly 10.Please the document before the meeting starts. A.download 6 高中必修2北师大版 【寒假专版】 词义辨析及同义替换精讲 B.install C.save 二、根据句意及汉语提示完成单词 1.The Internet has a great()on people's daily life. 2.This new software will users to edit videos more efficiently. 3.She(承认)that she had lied to her parents. 4.We need to()the relationship between technology and society. 5.The app brings great_(便利to our daily life, 6.Heis_(沉迷于)to reading novels on his phone. 三、用所给单词的适当形式填空 1.The teacher gave me a_(recommend)for a good book. 2.Different people have different(personality). 3.The new technology is(true)changing our life 4.A(self-focus)person often ignores others'opinions. 5.The movie we watched last night was(super)interesting. 四、完成句子（每空一词） 1.这项研究对环境产生了强烈的影响。 The research had a strong_the environment. 2.智能手机使我们能够随时获取信息。 Smartphones_us_information anytime. 3.他不情愿地承认了自己的错误。 He his mistake unwillingly. 4.我们需要深入探索这个问题的解决方案。 We need to solutions to this problem. 7 高中必修2北师大版 【寒假专版】 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。 The Internet has become an important part of our life.It has a great(1)(effect/impact)on how we work and communicate.For example,it(2)(enables/allows)us to shop online,which brings great (3)_(convenience/convenient)to our daily life.However,some teenagers are(4)(addicted/crazy) to online games,which affects their studies.To solve this problem,parents and teachers should (5) -(explore/research)effective ways to guide them.(6)(Indeed/Really),balanceduse of the Internet can make our life better. 参考答案 I.单项选择 1.A2.A3.A4.A5.A6.A7.A8.A9.A10.A Ⅱ，根据句意及汉语提示完成单词 1.impact 2.enable 3.admitted 4.explore 5.convenience 6.addicted I用所给单词的适当形式填空 1.recommendation 2.personalities 3.indeed 4.self-focused 5.super V.完成句子 1.impact on 2.enable;to get 3.admitted making 4.explore deep V.语篇填空 1.impact 2.enables 3.convenience 4.addicted 5.explore 6.Indeed P