Unit 4 Information Technology Lesson 3-2025-2026学年高中英语易错词汇精讲必修第二册（北师大版）

高中必修2北师大版 寒假专版 B版易错词汇精讲 【寒假专版】 高中·北师大版·必修2Unit4:Information Technology Lesson3 单元词汇总览 harm /ha:m/t.&n.伤害，损害content/'kpntent/n.内容 持 argument/'a:gjum3nt/n.论点：论shallow/)∫eleo/ad.肤浅的，浅薄 smartphone/'sma:tfaun/m.智能 据 的 手机 replace /ri'pleIs/vt.取代；接替 *trivial'trrvial/adj.没有什么价tablet/'taeblit/n.平板电脑；药片： hug /hAg/n.&t.拥抱：紧抱 值的：微不足道的 碑，牌 concentrate/konsntrert/vi.专注，basis/'beisIs/n.基础：基点 limiting'lmrt/adj.局限的，限 专心；集中注意力 percent /p3'sent/n.百分比：百分制性的 concerned/kan's3nd/adj.关切数 brief /bri:fadj.简洁的，简明的 的，关心的 opinion'pmjan/.n.意见；看法；*emoji1'maod3im.表情符号 be concerned with关心… 主张 creative /kri'eItv/adj.创造性的 rewarding /r'w3:d/adj.有益的；focus/'faokas/vi..&t.集中（注*thought--pr'ovoking adj..发人深 有意义的 意力)：n.焦点 省的，令人深思的 addition'dn/m.增添；添加 focus on关注 authority/:'rati/n.权威人士； in addition除此之外 maintain/men'tem/t.保持；维专家 易错词汇精讲 1.argument/'a:gjumant//h.论点；论据 ·易错点：易误写为arguement(多写e),正确拼写需去e加-ment。 ·精讲：动词argue（争论)变名词时，需去e再加后缀-ment,类似变化有true→tuth。 ·例句：The student presented a strong argument in the debate ·真题链接：（北师大版高中必修2同步练习）：His一（论点）was supported by many facts.(答 案：argument) 2.concentrate/'konsntrert/vi.专注，专心 ·易错点：固定搭配concentrate on中on易漏写，或误接动词原形(on为介词，后需接名词/动 名词)。 ·精讲：表示“专注于某事”时，必须加介词on,即concentrate on sth./doing sth.。 ·例句：You need to concentrate on studying instead of playing games.. ·真题链接：（北师大版高中必修2单元检测）：Students should concentrate一listening to the teacher in class.(答案：on) 高中必修2北师大版 寒假专版 3.concerned /kan's3nd/adj.关切的，关心的 ·易错点：易混淆固定搭配be concerned with(关心…)与be concerned about(担忧…)，介 词使用易误。 ·精讲：be concerned with侧重“与…相关：关心某事物”，be concerned about侧重“对…担 忧”。 ·例句：(I)She is concerned with environmental protection.(关心环保问题)(2)Parents are concerned about their children'ssafety.(担忧孩子安全) ·真题链接：（北师大版高中必修2模块练习）：The report一(concern)the impact of social media on teenagers.(答案：is concerned with) 4.content/'kontent/h.内容 ·易错点：易与形容词content/kan'tent/(满意的)混淆，词性和发音易误。 ·精讲：作名词时重音在第一音节/'kontent/,指“内容、目录”：作形容词时重音在第二音 节/ken'tent,搭配be content with(对…满意)。 ·例句：(I)The content of this article is very useful.(n.内容)(2)He is content with his simple life (adj.满意的) ·真题链接：（北师大版高中必修2期末测试）：What's the main一（内容）of the book you're reading?(答案：content) 5.focus/fkas/wi.&t.集中（注意力）：n.焦点 ·易错点：短语focus on中on易漏写，或第三人称单数形式误写为focuse(正确为fo- cuses/focusses)。 ·精讲：作动词表示“集中注意力于”时，需加介词o:复数名词/第三人称单数可加-s或-ss (focuses/focusses)。 ·例句：(I)We should focus on the key points in class.(集中注意力于)(2)The focus of the meeting is on education reform.(n.焦点) ·真题链接：（北师大版高中必修2同步练习）：Her一（焦点）shifted from work to family after marriage.(答案：focus) 6.maintain /mem'tem/t.保持；维持 ·易错点：易误写为mantain(漏写i),或混淆搭配maintain sth.(维持某事)与keep doing sth (持续做某事)。 ·精讲：maintain后接名词（如秩序、关系等），不接动词-ing形式；keep后可接动词-ing表示 “持续动作”。 ·例句：(I)It's hard to maintain a friendship for a long time.(维持友谊)(2)He kept running for an hour.(持续跑步) 高中必修2北师大版 寒假专版 ·真题链接： (北师大版高中必修2单元检测)：We need to一（保持）a positive attitude towards life.(答案：maintain) 7.authority /5:'Drati/n.权威人士；专家 ·易错点：易误写为autority(漏写h),或复数形式误写为authoritys(正确为authorities)。 ·精讲：以“辅音+y”结尾的名词变复数时，需改y为i加-es,即authority-→authorities(当局： 权威机构)。 ·例句：The government authorities are taking measures to solve the problem. ·真题链接：（北师大版高中必修2阅读拓展)：She is an一（权威人士）on international law.(答 案：authority) 8.addition/a'dm/n.增添；添加 ·易错点：固定短语in addition与in addition to易混淆，前者单独作状语，后者需接名词/代词 (to为介词)。 ·精讲：in addition意为“除此之外”，单独使用：in addition to意为“除…之外（还）”，后接 宾语。 ·例句：(I)He likes reading.In addition,.he enjoys writing..（单独作状语)(2)In addition to books,. he also bought a pen..（后接名词books) ·真题链接： (北师大版高中必修2模块练习)：一addition to English,he is good at French.(答 案：n) 9.be born with天生具有 ·易错点：易误写为be borned with(borned为错误形式)，born是bear的过去分词，无borned 形式。 ·精讲：bom是不规则动词bear的过去分词(bear-bore-→bom),固定搭配be born with后接名 词表示“天生具有…”。 ·例句：Humans are born with the ability to learn language. ·真题链接：（北师大版高中必修2课文填空）：Everyone (天生具有)unique talents.(答 案：is born with) 10.reward /r'w:d/n.奖励：t.奖励 ·易错点：易与award混淆，reward侧重“因付出/功劳获得的回报”，award侧重“官方/正式授 予的奖项”。 ·精讲：reward sb.for sth.(因某事奖励某人)：award sb.sth.(授予某人某物)。 ·例句：(I)The company rewarded him for hishard work.(奖励)(2)She was awarded the first prize in the competition.(授予奖项) 高中必修2北师大版 寒假专版 ·真题链接：（北师大版高中必修2同步练习）：He received a一（奖励）for helping the police catch the thief..(答案：reward) ll.percent/p3'sent/h.百分比 ·易错点：易误写为per cent(错误拆分)，美式英语通常连写为percent,英式英语可分写为per cent,教材中统一连写。 ·精讲：percent无复数形式，后接名词时需用“数词+percent of+名词”，谓语动词与名词一致。 ·例句：Thirty percent of the students are from the south.(主语students为复数，谓语用are) ·真题链接：（北师大版高中必修2数据图表题）：About60一（百分比）of the respondents prefer online learning.(答案：percent) 12.shallow/'∫elau/adj.肤浅的，浅薄的 ·易错点：易误写为shollow(字母a与o顺序颠倒)，正确拼写为shallow。 ·精讲：反义词为deep(深的)，可形容“水浅”或“思想肤浅”。 ·例句：Don't make a shallow judgment based on appearance. ·真题链接：（北师大版高中必修2阅读理解）：The article criticizes the一（肤浅的）understanding of social media.(答案：shallow) 易错词汇综合训练 1.一、单项选择 1.Students should concentrate_their studies instead of playing games. ●A.in ●B.on 。C.at 。D.for 2.The report the impact of technology on daily life. ·A.is concerned with ●B.is concerned about ●C.concerns with 高中必修2北师大版 寒假专版 ·D.concerns about 3.-What's the main_of the article? -It discusses environmental protection. ●A.content ●B.contest ●C.context ●D.contact 4.He received afor helping the old man cross the street. ●A.award ●B.reward 。C.prize ·D.gift 5.Thirty percent of the studentsfrom rural areas. ●A.is ●B.are ●C.was 。D.were 2.二、根据句意及汉语提示完成单词 l.His_(论点)was supported by scientific data. 2.The government public order during the festival. 3.She is an_(权威人士)on ancient history 4.一（除此之外）to math,.he also excels in physics. 5.Don't make a_(肤浅的)judgment based on first impressions. 3.三、首字母填空 1.You need to f on the key points in the lecture. 高中必修2北师大版 寒假专版 2.Everyone is bwith unique skills and talents. 3.The a_of the new library will be finished next month. 4.The team leader tried to m_a good relationship with all members. 5.The survey shows that 70 p_of students prefer online learning. 4.四、用所给单词的适当形式填空 1.She is always concerned about _(maintain)a healthy lifestyle 2.The_(argue)between the two students lasted for hours. 3.He was_(reward)for his excellent performance in the competition. 4.In addition to(read),she also enjoys painting 5.The(focus)of the meeting shifted to budget issues. 5.参考答案 ·一、单项选择 1B2.A3.A4.B5B ·二、根据句意及汉语提示完成单词 1.argument 2.maintain 3.authority 4.In 5.shallow ·三、首字母填空 1.focus 2.born 3.addition 4.maintain 5.percent ·四、用所给单词的适当形式填空 1.maintaining 2.argument 3.rewarded 4.reading 5.focus