Unit 4 Information Technology Topic Talk-2025-2026学年高中英语必修第二册期末词汇复习（北师大版）

期末词汇复习 必修2·北师大版·Unit4:InformationTechnologyTopicTalk 一、重点单词详解 1:enable 一、核心考点 词性：动词(v.) 核心义：t.使可能，使发生 二、构词法（词性转换） 词根：able(adj.能够的) 前缀：en-(使…成为) 形容词：able(adj.能够的) 动词：enable(en-+able构成，使能够) 名词：ability /a'brlati/（能力) 三、用法与常见搭配 enable sb.to do sth.（使某人能够做某事) enable sth.(使某事成为可能) 四、拓展用法 近义词辨析：enable vs.alow enable强调”赋予能力或条件，allow强调”允许，如：The new policy enables students to study abroad.(政策赋予条件)；My parents allow me to watch TV.(父母允许行为) 2:convenience 一、 核心考点 词性：名词(n.) 核心义：n.方便，便利 构词法（词性转换） 词根：convenient(adj.方便的) 形容词：convenient(con-+veni-+-ent,共同来到→便利的) 名词：convenience(convenient+-ce构成) 副词：conveniently/kan'vi:nientli/（方便地) 三、用法与常见搭配 for convenience(为了方便) at one's convenience(在某人方便时) offer convenience(提供便利) 四、拓展用法 反义词：inconvenience/inken'vi:niens//(n.不便) 固定句型：It is convenient for sb.to do sth.(某人做某事方便) 3:effect “、核心考点 词性：名词(n.) 核心义：n.效应；影响 二、 构词法（词性转换） 动词：affect/a'fekt/(vt.影响) 名词：effect(影响的结果) 形容词：effective'fektrv/(有效的) 副词：effectively'fektrvli/(有效地) 三、 用法与常见搭配 have an effect on(对…有影响) take effect(生效) in effect(实际上) 四、辨析 effect vs.affect effect为名词，affect为动词，如：The rain affected the game.(动词)；The rain had an effect on the game.（名词) 4:impact 一、 核心考点 词性：名词(n.)、动词(v) 核心义：n.影响：作用；v.冲击，影响 二、 构词法（词性转换） 名词：impact(冲击，影响) 动词：impact(对…产生影响) 形容词：impactive/m'paktrv/(有冲击力的) 三、用法与常见搭配 have an impact on（对…有影响) impact on/upon(动词用法，影响) 四、辨析 impact vs.effect impact强调”强烈的、直接的影响”，effect强调”结果性影响？”，如：The new law has a huge impact on society.(强烈冲击)；The medicine has a good effect..(结果效果) 5:self-focused 一、 核心考点 词性：形容词(adj.) 核心义：adj.以自我为中心的：关注自我的 二、构词法（词性转换） 词根：self(n.自我)+focus(v.集中) 动词：focus/faks/(集中) 形容词：focused/faukest//(专注的) 复合形容词：self-focused(self+focused构成) 三、用法与常见搭配 a self--focused person(以自我为中心的人) be self-focused on(专注于自我) 四、拓展用法 反义词：other--focused(关注他人的) 近义词：self-centered/,self'sentad/(以自我为中心的) 6:addicted 、 核心考点 词性：形容词(ad.) 核心义：adj.对…着迷的；沉迷的 二、构词法（词性转换） 动词：addict/a'drkt/(t.使沉迷) 名词：addict/edkt/(n.瘾君子) 形容词：addicted(addict+-ed构成) 名词：addiction /a'dkn/(n.上瘾) 三、用法与常见搭配 be addicted to sth./doing sth.(沉迷于某物/做某事) get addicted to(开始沉迷于) 四、拓展用法 派生词：addictive'diktrv/(adj.使人上瘾的)，如：addictive games(令人上瘾的游戏) 7:recommendation 一、 核心考点 词性：名词(n.) 核心义：n.建议，提议：推荐 、 构词法（词性转换） 动词：recommend/reka'mend/(vt.推荐，建议) 名词：recommendation(recommend+-ation构成) 形容词：recommended/,reka'mendrd/(推荐的) 三、用法与常见搭配 give a recommendation(给出建议) follow one's recommendation(听从某人的建议) recommend doing sth.(建议做某事) recommend sb.to do sth.(建议某人做某事) 四、拓展用法 虚拟语气：recommend后的宾语从句用(should)do,如：He recommended that we(should) leave early 8:explore 、 核心考点 词性：动词(v.) 核心义：v.探究；探讨；探险 二、构词法（词性转换） 动词：explore(探险，探究) 名词：exploration/,eksple'rern/(探险，探索) 名词：explorer/k'splb:Ia/(探险家) 三、 用法与常见搭配 explore sth.(探究某事) explore ways to do sth.(探索做某事的方法) explore into(深入探究) 四、拓展用法 近义词辨析：explore vs.investigate explore强调”未知领域的探索”，nvestigate强调”对问题的调查”，如：explore space(探 索太空)；investigate a crime（调查犯罪) 9:personality 一、核心考点 词性：名词(n.) 核心义：n.个性，性格 构词法（词性转换） 词根：person(n.人) 形容词：personal/p3:sonl/(个人的) 副词：personally/'p3:seneli/(亲自地) 名词：personality(personal+-ity构成) 三、用法与常见搭配 a strong personality(强烈的个性) develop one's personality(培养个性) 四、拓展用法 复数形式：personalities(性格，名人)，如：famous personalities（名人) 10:admit ‘、 核心考点 词性：动词(i.&vt) 核心义：vi.&t承认 二、构词法（词性转换） 动词：admit(承认，准许进入) 名词：admission/ed'mrm(n.承认，入场费) 形容词：admittable /ed'mrtabl/(可承认的) 三、用法与常见搭配 admit doing sth.（承认做某事) admit to sth./doing sth.(承认某事/做某事) admit that..(承认…) admit sb.to/into(准许某人进入) 四、拓展用法 近义词辨析：admit vs.acknowledge admit强调”不情愿地承认错误或事实，acknowledge强调'公开承认”，如：He admitted stealing.(不情愿承认偷窃)：She acknowledged her mistake..(公开承认错误) 二、词汇巩固练习 (一)单项选择(10题) 1.The new technology_students to access online resources more easily. A)allows B)enables C)admits D)affects 2.Many young people are to smartphones,spending hours scrolling every day A)addictive B)addicting C)addicted D)addiction 3.The medicine will take in about 30 minutes,so be patient. A)affect B)effect C)impact D)influence 4.Could you please call me back at your earliest_? A)convenient B)conveniently C)convenience D)inconvenience 5.The teacher recommended_more reading to improve English. A)to do B)doing C)do D)done 6.She finally breaking the window,though she was scared to tell the truth. A)admitted B)acknowledged C)allowed D)enabled 7.His outgoing makes him popular among classmates. A)person B)personal C)personality D)personally 8.The documentary the hidden problems of urban development. A)explores B)investigates C)admits D)recommends 9.The policy has a significant_on reducing air pollution in the city. A)effect B)impact C)affect D)result 10.It is difficult for people to consider others'feelings first. A)self-focused B)other-focused C)self-centeredness D)focusing (二)根据提示补全句子(10题) 1.The invention of the Internet has_(able)us to connect with people worldwide. 2.Online shopping brings great(convenient)to modemn life 3.Regular exercise has a positive(affect)on mental health 4.Her(recommend)helped me choose the right book. 5.-(explore)the ancient temple took the team three weeks. 6.His(addict)to video games affected his studies badly 7.The school encourages students to develop their unique(personal). 8.The manager's decision had a huge(impact)on the company's future 9.(admit)his mistake was the first step to correcting it. 10.-(self-focus)behavior often leads to conflicts in relationships. (三)首字母填空(10题) 1.The new library estudents to borrow books online. 2.For c,I keep my keys in the drawer near the door. 3.The heavy rain had a bad eon the outdoor concert. 4.Overusing social media may i teenagers'sleep quality. 5.Being a to caffeine can cause headaches if you stop suddenly. 6.My teacher gave me a r for a summer camp program. 7.Scientists are e the deep ocean to discover new species. 8.Her strong p makes her stand out in a crowd. 9.He refused to athat he had made a mistake. 10.S_people often talk only about their own interests. (四)答案与解析 1.单项选择答案：BCBCCACABA 2.补全句子答案： 1.enabled 2.convenience 3.effect 4.recommendation 5.Exploring 6.addiction 7.personali- ties 8.impact 9.Admitting 10.Self-focused 3.首字母填空答案： 1.enables 2.convenience 3.effect 4.impact 5.addicted 6.recommendation 7.exploring 8. personality 9.admit 10.Self-focused 英语词汇复习手册·必修2·Unit4:Information Technology Topic Talk