Unit 4 Information Technology Lesson 3-2025-2026学年高中英语重点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 C版词汇核心考点精讲 【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/vt.&n.伤害，损害shallow'∫ela/adj.肤浅的，浅手机 argument/'a:gjumant/n.论点：薄的 tablet/'taeblit/n.平板电脑：药 论据 *trivial/'trivial/adj.没有什么价片：碑，牌 replace/rI'plers/t.取代：接替 值的：微不足道的 limiting/'lmt/adj.局限的，限 hug /hag n.&t.拥抱：紧抱basis/beisis/r.基础：基点 制性的 concentrate/'kpnsntreit/vi.专percent /p3'sent/n.百分比：百1 brief /bri:fadj.简洁的，简明的 注，专心：集中注意力 分数 *emoji'mad3i/n.表情符号 concerned /kan's3nd/adj.关切opinion /a'pmnjan/.n.意见；看法：creative /kri'ertiv/adj.创造性的 的，关心的 主张 *thought-provoking adj.发人深 be concerned with关心… focus/fksi.&t.集中（注省的，令人深思的 rewarding'w:dm/adj.有益意力)：n.焦点 authority /:'prati/n.权威人士： 的：有意义的 focus on关注 专家 addition/归'dn/n.增添；添加 maintain/men'tem/t.保持；维 in addition除此之外 持 content/'kpntent/n.内容 smartphone/'sma:tfaun/n.智能 词汇核心考点精讲 1.harm /ha:m/t.&n.伤害，损害 ·核心考点：词性：动词(t)、名词(n) 2个核心义：伤害（身体或情感）、损害（利益或关系） ·必记搭配与例句：●do harm to（对…造成伤害)：Smoking does harm to health ,harm sb./sth.(伤害某人/某物)：The storm harmed the crops.. ●without harm(无害地)：The medicine can be taken without harm. ·重点派生词：●harmful(形容词)：harmful effects(有害影响) ●harmless(形容词)：a harmless animal(无害的动物) 2.argument/'a:gjumant/.n.论点；论据 ·核心考点：词性：名词(n) 2个核心义：论点（观点）、论据（理由） ·必记搭配与例句：●put forward an argument(提出论点)：He put forward a new argument, 高中必修2北师大版 寒假专版 ●in argument(在辩论中)：They were in argument about the plan. ·settle an argument(解决争论)：We need to settle the argument peacefully.. ·重点派生词：·ague(动词)：argue with sb.(与某人争论) ●argumentative(形容词)：an argumentative person（爱争论的人) 3.replace /r'plers/vt.取代：接替 ·核心考点：词性：动词(t) 2个核心义：取代（替代某物）、接替（替换某人） ·必记搭配与例句：●replace A with B(用B代替A):We replaced coal with gas.. ●replace sb.as(接替某人担任)：She replaced him as manager. ●be replaced by(被…取代)：Old phones are replaced by smartphones. ·重点派生词：●replacement(名词)：a replacement for(…的替代品) ·replaceable(形容词)：replaceable parts(可替换部件) 4.concentrate/kpnsntreit./vi.专注，专心；集中注意力 ·核心考点：词性：动词（ⅵ） 1个核心义：专注，集中注意力 ·必记搭配与例句：·concentrate on（专注于)：Concentrate on your study.. ●concentrate one'smind on(集中思想于)：He concentrated his mind on the problem. ●be concentrated in(集中在)：Resources are concentrated in big cities. ·重点派生词：●concentration(名词)：lack of concentration(注意力不集中) ·concentrated(形容词)：concentrated effort(集中的努力) 5.concerned /kan's3nd/adj.关切的，关心的 ·核心考点：词性：形容词(ad) 1个核心义：关切的，关心的 ·必记搭配与例句：●be concerned about(关心…)：Parents are concerned about children's safety.. ●be concerned with(涉及…)：The book is concerned with environment.. ●as far as...be concerned(a就…而言)：As far as I'm concerned,it'sright ·重点派生词：·concern(名词/动词)：show concern for(对…表示关心) ·concerning（介词)：a letter concerning the matter(关于此事的信) 6.rewarding /rI'wo:d/adj.有益的：有意义的 ·核心考点：词性：形容词(adj) 1个核心义：有益的：有意义的 高中必修2北师大版 寒假专版 ·必记搭配与例句：●a rewarding job(有意义的工作)：Teaching is a rewarding job. ·find sth.rewarding(觉得某事值得)：I find reading rewarding ●rewarding experience(有益的经历)：Traveling is a rewarding experience.. ·重点派生词：●reward(名词/动词)：give a reward(给予奖励)：reward sb.for(因…奖励某 人) ·rewardingly（副词)：work rewardingly(有成效地工作) 7.content/'kontent//n.内容 ·核心考点：词性：名词(n) 1个核心义：内容 ·必记搭配与例句：●the content of(…的内容)：The content of the book is useful. ●table of contents(目录)：Check the table of contents first. ●content analysis（内容分析)：We did a content analysis of the article. ·重点派生词：●contented(形容词)：a contented smile(满足的微笑) ●contentment(名词)：a life of contentment(满足的生活) 8.shallow∫ela/adj.肤浅的，浅薄的 ·核心考点：词性：形容词(adj) 1个核心义：肤浅的，浅薄的 ·必记搭配与例句：·shallow water(浅水区)：Children play in shallow water. ●shallow thinking(肤浅的想法)：His arguments are shallow. ·shallow person(浅薄的人)：She's not a shallow person. ·重点派生词：·shallowness(名词)：the shallowness of his views(他观点的浅薄) 9.trivial/'trIvial/adj.微不足道的：没有价值的 ·核心考点：词性：形容词(adj) 1个核心义：微不足道的：没有价值的 ·必记搭配与例句：·trivial matters(琐事)：Don't wory about trivial matters. ●trivial problem(小问题)：It's just a trivial problem. ●trivial detail(无关紧要的细节)：We can ignore trivial details.. ·重点派生词：●triviality（名词)：the triviality of daily life(日常生活的琐碎) 10.basis/'beisis/n.基础：基点 ·核心考点：词性：名词(n) 1个核心义：基础：基点 高中必修2北师大版 寒假专版 ·必记搭配与例句：●on the basis of（在…基础上)：We judge on the basis of facts. 。basis for(…的基础)：This is the basis for our decision. ●daily basis(日常基础)：We exercise on a daily basis. ·重点派生词：·base(名词/动词)：a solid base(坚实的基础)：base on(基于) ●basic(形容词)：basic knowledge(基础知识) 11.focus/'fkas/vi.&t.集中（注意力）：n.焦点 ·核心考点：词性：动词（ⅵt.)、名词(n.) 2个核心义：集中（注意力）、焦点 ·必记搭配与例句：·focus on(关注)：Focus on your goals. ●focus one's attention on(集中注意力于)：He focused his attention on study. ●the focus of(…的焦点)：She is the focus of attention. ·重点派生词：●focused(形容词)：a focused mind(专注的头脑) ●focusing(名词)：the focusing of light(光线的聚焦) 12.maintain/men'ten/t.保持：维持 ·核心考点：词性：动词(t) 1个核心义：保持：维持 ·必记搭配与例句：●maintain peace(维护和平)：We must maintain peace. ●maintain a relationship(维持关系)：They maintain a good relationship. ●maintain that(坚持认为)：He maintains that he is innocent. ·重点派生词：●maintenance（名词)：car maintenance(汽车保养) ·maintainable（形容词)：maintainable standards(可维持的标准) 13.limiting/'lmtm/adj.局限的，限制性的 ·核心考点：词性：形容词(adj) 1个核心义：局限的，限制性的 ·必记搭配与例句：·limiting factors(限制因素)：Money is a limiting factor. ●limiting beliefs(限制性信念)：Don't have limiting beliefs. ●limiting conditions(限制条件)：The plan has limiting conditions.. ·重点派生词：。limit(名词/动词)：set a limit(设限)：limit to(限制到) ·limited(形容词)：limited resources(有限的资源) 14.creative/kuri'etv/adj.创造性的 ·核心考点：词性：形容词(adj.) 1个核心义：创造性的 高中必修2北师大版 寒假专版 ·必记搭配与例句：·creative thinking(创造性思维)：We need creative thinking: ·creative work(创造性工作)：He does creative work. ●creative ideas(创意)：She has many creative ideas. ·重点派生词：●creativity(名词)：develop creativity(培养创造力) ●create(动词)：create a new product（创造新产品) ·creator(名词)：the creator of the theory(理论的创立者) 15.thought-provoking adj..发人深省的，令人深思的 ·核心考点：词性：形容词(adj) 1个核心义：发人深省的，令人深思的 ·必记搭配与例句：●hought-provoking film（发人深省的电影)：It's a thought-provoking film. ●thought-provoking question(引人深思的间题)：He asked a thought-provoking question. ●thought-provoking article(令人深思的文章)：The article is thought-provoking. ·重点派生词：●thought(名词)：deep thought(深思) ●provoke(动词)：provoke thought（引发思考)；provoke discussion(引发讨论) 词汇核心考点综合训练 1.一、单项选择 1.Smoking can_great harm to your lungs. 。A.do ●B.nake 。C.take ·D.give 2.The teacher asked us to_our attention on the experiment. 。A.focus ●B.concentrate ·C.pay 。D.fix 3.As far as I'm this plan is not practical. 高中必修2北师大版 寒假专版 ·A.concerning ●B.concerned 。C.concern ·D.to concern 4.Teaching is considered a_job because it helps students grow. ●A.reward ●B.rewarding ·C.rewarded ·D.rewardingly 5.The old library will be_by a modern building next year. ●A.replaced 。B.taken ●C.removed ·D.changed 6.She _that she had never seen the man before. ●A.maintains ●B.insists 。C.keeps 。D.holds 7.The_of the book mainly focuses on environmental protection. ●A.content ●B.contents 。C.context 高中必修2北师大版 寒假专版 ●D.contest 8.Don't waste time on matters;focus on your studies. ●A.shallow ●B.trivial 。C.limited ●D.creative 9.The film was sothat it made me think deeply about life ·A.thought ●B.provoke ●C.thought-provoking ●D.provoking 10.We should try to_a good relationship with our neighbors. ●A.maintain ●B.remain 。C.stay 。D.keep 2.二、根据提示补全句子 1.She found the volunteer work very_(reward). 2.Parents always show great_(concern)for their children's education. 3.The company is looking for a_(replace)for the retired manager. 4.-(create)thinking is important for solving complex problems. 5.The-(concentrate)of students in class has improved a lot. 6.He was-(harm)by the false rumors spread online 7.The(limit)factor in this project is the lack of funding. 8.The_(argue)between the two friends lasted for hours. 高中必修2北师大版 寒假专版 3.三、首字母填空 1.The medicine is harmless and can be taken wharm. 2.The t of contents helps readers find information quickly. 3.As a student,you should con your studies instead of games. 4.The team's success was based on the b_of hard work and cooperation. 5.Her shallow tmade it hard for her to understand the deep novel. 4.参考答案 ·一、单项选择 AABBA AABCA ·二、根据提示补全句子 rewarding concern replacement Creative concentration harmed limiting argument ·三、首字母填空 without table concentrate basis thinking