Unit 4 Information Technology Lesson3-2025-2026学年高中英语固定搭配精讲必修第二册（北师大版）

高中必修2北师大版 【同步精讲】 Unit4固定搭配精讲 同步精讲 Unit 4:Information Technology Lesson 3 固定搭配精讲 全部单元单词 harm /ha:m/t.&n.伤害，损害 content/'kontent//h.内容 持 argument/'a:gjumant/hm.论点；shallow/'∫elau/adj.肤浅的，浅smartphone/'sma:tfan/m.智能 论据 薄的 手机 replace /ri'plers/t.取代；接替 *rivial/'trivial/adj.没有什么价tablet./'taeblt/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/'kpnsntrert/.i.专basis/'beisIs/n.基础；基点 limiting/'lmt)/adj.局限的，限 注，专心：集中注意力 percent /p3'sent/h.百分比；百分制性的 concerned /kan's3 nd/adj.关切数 brief /bri:f/adj.简洁的，简明的 的，关心的 opinion/a'pmnjan/n.意见；看法；*emoji'mawd3ih.表情符号 be concerned with关心… 主张 creative /kri''eitrv/adj.创造性的 rewarding'w3:dm/adj.有益focus/'faks/vi.&t.集中（注*thought-.provoking adj..发人深 的：有意义的 意力)：n.焦点 省的，令人深思的 addition /a'dn/n.增添：添加 focus on关注 authority:'prati/n.权威人士； in addition除此之外 maintain/mem'ten/t.保持；维专家 固定及常见搭配 1.harm /ha:m/t.&n.伤害，损害 核心搭配： do harm to sb./sth.对…造成伤害 cause harm造成伤害 nean no harm没有恶意 精讲： harm作名词时为不可数名词，常用搭配do harm to'”与'be harmful to”同义。 例句： Smoking can do great harm to your health. 真题链接： It's important to realize that some chemicals may harm to the environment. (答案：do) 高中必修2北师大版 【同步精讲】 Unit4固定搭配精讲 2.replace /r'pleis/t.取代；接替 核心搭配： replace A with B用B取代A replace sb.as.接替某人担任… 精讲： replace强调“替代原有事物或人”，搭配中with引出替代物。 例句： We can replace coal with natural gas to reduce pollution 真题链接： With the development of technology,many jobs (replace)by robots now.(答案：are replaced) 3.concentrate/konsntreit/i.专注，专心：集中注意力 核心搭配： concentrate on sth.专注于某事 concentrate on doing sth.专注于做某事 精讲： on为介词，后接名词、代词或动名词，反义词组为distract from。 例句： You need to concentrate on studying if you want to pass the exam. 真题链接： It's hard to (concentrate)on work with so much noise around. (答案：concentrate) 4.concerned /kan's3nd/adj.关切的，关心的 核心搭配： be concerned about关心：担忧 be concerned with涉及；与…有关 精讲： about后接“担忧的对象”，with后接“相关的事物”。 例句： Parents are always concerned about their children's safety. 真题链接： The meeting (concern)environmental protection will be held next week.concerned 5.addition/adn/m.增添；添加 核心搭配： in addition此外；另外 in addition to sth.除…之外（还） 精讲： in addition单独使用，相当于besides;in addition to后接名词或动名词。 例句： 2 高中必修2北师大版 【同步精讲】 Unit4固定搭配精讲 In addition to English,he also studies French. 真题链接： I like playing basketball (addition),I enjoy swimming. (答案：n addition) 6.focus/'faukas/vi..&t.集中（注意力）：n.焦点 核心搭配： focus on sth.关注：聚焦于某事 focus one's attention on把注意力集中在…上 精讲： 作动词时，on不可省略；作名词时，常用搭配为the focus of attention。 例句： The discussion focused on three main problems. 真题链接： We should (focus)our efforts on improving education quality..(答案：focus) 7.maintain /mem'tem/t.保持：维持 核心搭配： maintain peace/order维持和平/秩序 maintain a relationship维持关系 maintain that..主张：认为 精讲： 后接名词或从句，正式用语，区别于keep(强调持续状态)。 例句： It's difficult to maintain a healthy diet when traveling 真题链接： The government is trying to (maintain)stable prices in the market..(答案：maintain) 8.be concerned with关心… 核心搭配： be concerned with social issues关注社会问题 be concerned with public health涉及公共健康 精讲： 固定短语，表“与…相关”时，相当于be related to。 例句： This book is concerned with the history of ancient China. 真题链接： Her research (concern)with the effects of climate change.(答案：is concerned) 9.in addition除此之外 核心搭配： in addition to+n./doing除…之外（还) 3 高中必修2北师大版 【同步精讲】 Unit4固定搭配精讲 精讲： 置于句首或句中，表递进关系，可与besides互换。 例句： In addition to reading,he likes playing football. 真题链接： She speaks English fluently. (addition),she can also write well.(答案：n addition) 10.focus on关注 核心搭配： focus on personal growth关注个人成长 focus on solving problems专注于解决问题 精讲： on后接名词或动名词，反义词组为lose focus。 例句： Modern education should focus on developing students'creativity. 真题链接： The report (focus)on the challenges facing young people today..(答案：focuses). 11.authority/:'orti/m.权威人士；专家 核心搭配： an authority on sth.某方面的权威 have authority over对…有权威 精讲： 作“权威人士”时为可数名词，后接o表“在某领域”。 例句： He is an authority on Chinese literature 真题链接： We should consult an (authority)before making a decision..(答案：authority) l2.creative/kri'eitv/adj.创造性的 核心搭配： creative thinking创造性思维 be creative in sth.在…方面有创造力 精讲： 反义词为uncreative,副词形式为creatively。 例句： Art classes help students develop creative skills. 真题链接： She is known for her (creative)in designing new products.(答案：creativity） 4 高中必修2北师大版 【同步精讲】Unit4固定搭配精讲 综合训练 综合训练 一、 单项选择 1.The new policy will old regulations next month. ·A.replace with ·B.replace by ·C.replace ·D.replace to 2.She found it hard to on her homework with the TV on. ·A.concentrate ·B.focus ·C.concern ·D.maintain 3.Parents are deeply about the safety of their children online. ·A.concerned ·B.concentrating ·C.focused ·D.naintained to English,he also studies Japanese and French. 5 高中必修2北师大版 【同步精讲】Unit4固定搭配精讲 ·A.In addition 。B.In addition to ·c.Add ·D.Adding 5.The report on the impact of social media on teenagers. ·A.focuses ·B.concerns ·C.maintains ·D.replaces 二、根据句意及汉语提示完成单词 1.Smoking can (造成伤害)to your lungs and heart. 2.The company plans to (用机器人取代工人)in the production line. 3.We need to_(集中注意力于)solving the problem immediately. 4.The book (涉及环境保护)will be published next year.. 5. (此外)，regular exercise helps improve mental health, 三、首字母填空 1.It's important to c on your goals rather than distractions. 2.The government is taking measures to m social stability. 3.In a to math,she also excels in physics and chemistry. 4.He is an aon artificial intelligence and has published many papers. 5.Teachers should encourage cthinking in the classroom. 6 高中必修2北师大版 【同步精讲】 Unit4固定搭配精讲 四、用所给单词的适当形式填空 1.Many traditional jobs (replace)by technology in recent years. 2.The meeting was (concern)with the future development of the school. 3.She has a (create)approach to teaching English grammar. (addition)to reading,he spends two hours practicing the piano daily. 5.We should (maintain)a positive attitude even when facing difficulties. 参考答案 I单项选择 1.C2.A3.A4.B5.A Ⅱ.根据句意及汉语提示完成单词 1.do harm 2.replace workers with robots 3.concentrate on/focus on 4.is concerned with en- vironmental protection 5.In addition ⅡI首字母填空 1.concentrate/focus 2.maintain 3.addition 4.authority 5.creative V.用所给单词的适当形式填空 1.have been replaced 2.concerned 3.creative 4.In addition 5.maintain 7