Unit 1 No Limits-2026-2027学年高中英语词汇精讲精练必修第二册（沪教版）

Unit 1 No Limits 词汇精讲精练 核心词汇概览： blame theme factor chemical frightening pressure impress statistic seat belt solution independent surfing adapt section reveal author responsible limited reliable extent 词汇精讲 序号 单词/短语 词汇讲解 blame 释义：v.把…归咎于：指责n.(坏事或错事的)责任；指责 /bleim/ 词汇变形：blameless(adj)无可指责的；blameworthy(adj.)该受责 备的 搭配：blame sb.for sth.因某事责备某人；blame sth.onsb.把某事 归咎于某人；take the blame承担责任；put/lay the blame on sb.把责 任推给某人 易混辨析：blame强调“归咎”，常与for/on搭配；accuse强调“指 控”，常与of搭配；criticize强调“批评”，常与for搭配 例句：Don't blame others for your own mistakes.. 不要把自己的错误归咎于别人。 theme 释义：n.主题 /0im/ 词汇变形：hematic(adj,)主题的；thematically(adv.)主题上 搭配：the theme of…的主题；main/central theme中心主题； theme park主题公园 易混辨析：theme指文学、艺术、讲话等的“主题”；topic指谈论 的“话题”；subject指学科或谈话的“题目”，范围更广 例句：The theme of the novel is the struggle for freedom. 这部小说的主题是为自由而斗争。 factor 释义：n.因素；要素 /'faekta(r)/ 词汇变形：factorial(adj)因子的：factory(n.)工厂（同根不同义） 搭配：key/decisive factor关键因素；factorin把…考虑进去； risk factor风险因素 易混辨析：factor强调影响结果的具体“因素”；element强调构成 整体的“元素”；cause强调直接“原因” 例句：Many factors contributed to his success. 许多因素促成了他的成功。 pressure 释义：n.心理压力：紧张 I'prefa(r)/ 词汇变形：press(v.)按压；pressurize(v.)对…施加压力； pressured(adj)感到有压力的 搭配：nder pressure在压力下；put pressure on sb.给某人施压； relieve pressure缓解压力；peer pressure同伴压力 易混辨析：pressure既可指物理压力也可指心理压力；stress侧重精 神紧张、焦虑；tension侧重关系紧张或拉紧状态 例句：He works best under pressure.. 他在压力下工作表现最佳。 impress 释义：v使钦佩：给…留下深刻的好印象 /m'pres/ 词汇变形：impression(m)印象；impressive(adj)令人印象深刻的： impressed(adj)印象深刻的（主语为人） 搭配：impress sb.with sth.以某事给某人留下印象；be impressed by/with被…打动；impress sth.on/upon sb.使某人牢记某事 易混辨析：impress侧重“留下印象”；influence侧重“影响”； affect侧重“影响（情感或结果）” 例句：She impressed us with her intelligence, 她的才智给我们留下了深刻印象。 adapt 释义：ⅴ.改编；改写；使适合（新用途、新情况） 'dapt/ 词汇变形：adaptation()改编；适应；adaptive(adj)适应的； adaptable(adj,)能适应的 搭配：adapt to适应；adapt sth.for.为…改编某物；adapt from 根据…改编 易混辨析：adapt强调改变以“适应”新环境；adjust侧重“调整” 使更合适；accommodate侧重“容纳”或“提供方便” 例句：It takes time to adapt to a new culture.. 适应一种新文化需要时间。 reveal 释义∶V.揭示；显示；透露 /r'vi:V 词汇变形：revelation(n,)揭露；启示：revealing(adj,)揭露性的；有 启示作用的 搭配：reveal sth.tosb.向某人透露某事；reveal itself显现；reveal the truth揭露真相 易混辨析：reveal强调“揭示”隐藏的事物：expose强调“暴露” 于不利或危险中；disclose较正式，指“公开”信息 例句：The investigation revealed the cause of the accident 调查揭示了事故的原因 8 responsible 释义：ad山j.负责；承担义务；有责任的 rI'spDnsabl/ 词汇变形：responsibility(m.)责任；respond(v)回应；responsible →responsibly(adv.)负责地 搭配：be responsible for对…负责；hold sb.responsible认为某 人应负责；responsible adult负责任的成年人 易混辨析：responsible指“对后果负责”；accountable强调“应负 说明责任”；liable常指法律上的“有责任” 例句：W☑ho is responsible for this mess? 谁对这混乱负责？ limited 释义：adj.有限的 /'lmitid/ 词汇变形：limit(n./w.)限制；limitation(n)局限性；limitedness(.) 有限性；limitless(adj)无限的 搭配：limited to限于；limitededition限量版；ina limited sense 在有限意义上；limited resources有限的资源 易混辨析：limited强调数量或范围“有限”；restricted强调“受约 束”的：confined强调“被限制在狭小空间” 例句：Our time is limited,so we must act fast. 我们的时间有限，所以必须迅速行动。 10 reliable 释义：adj.真实可信的：可靠的 /rI'larabl/ 词汇变形：rely(v)依赖；reliability(n)可靠性；unreliable(adj,)不 可靠的；reliably(adv)可靠地 搭配：reliable source可靠来源；reliableinformation可靠信息； reliable friend可信赖的朋友 易混辨析：reliable强调“可依赖的”；dependable强调“可依靠 的”：trustworthy强调“值得信任的” 例句：She is a reliable witness. 她是一位可靠的证人。 11 extent 释义：n.程度；限度 /ik'stent/ 词汇变形：extend(v.)延伸；extension(n)延伸；扩大；extensive (adj)广泛的 搭配：to some extent在某种程度上；to a great/large extent在很大 程度上；the extent of…的程度；to the extent that到…的程度 易混辨析：extent指“范围、程度”；degree指“等级、程度”； scale指“规模、比例” 例句：To what extent can we trust his words? 我们能在多大程度上相信他的话？ 12 solution 释义：n.解决办法；处理手段 /sa'lu:fn/ 词汇变形：solve(v)解决：soluble(adj)可溶解的；可解决的； solvable(adj)可解决的 搭配：solution to…的解决办法；find a solution找到解决办法： propose a solution提出解决方案 易混辨析：solution指“问题的答案或解决方法”；answer指“回 答、答案”；remedy指“补救方法或药物” 例句：We need to find a solution to the pollution problem. 我们需要找到污染问题的解决办法。 二、专项训练 (一)单句填空（共12小题） 在空白处填入1个适当的单词或括号内单词的正确形式。 1.The police blamed the accident the driver's carelessness. 2.What is the main of the movie you watched last night? 3.Many (factor)influence a person's choice of career. 4.Under great (press),he made a wrong decision 5.The audience was deeply (impress)by the young pianist's performance. 6.Animals must adapt the changing environment to survive. 7.The results of the experiment (reveal)a surprising truth. 8.Who is responsible organizing the school trip? 9.Because of (limit)time,we could only discuss two topics. 10.Is this information (rely)enough to be used in court? 11.To a certain (extreme),his suggestion makes sense. (注意：extent的变形) 12.The expert proposed a practical solution the traffic problem (二)单句表达（共8小题） 根据汉语提示，用本单元核心词汇/短语完成句子。 不要因为这次失败而责备他，他已经尽力了。 1.Don't him this failure;he has tried his best 这本书的主题是勇气和友谊。 2.The this book are courage and friendship. 经济因素是决定公司未来发展的关键。 3. is the key in deciding the company's future. 在同伴压力下，有些青少年会做出不明智的选择。 some teenagers may make unwise choices. 这位教授的知识给我们留下了深刻的印象。 5.The professor's knowledge us 这部小说是由一个真实故事改编的。 6.This novel is a true story 调查揭示了员工对工作条件的不满。 7.The investigation the employees'dissatisfaction the working conditions. 在某种程度上，我们都需要为全球变暖负责。 8 we are all global warming. (三)短文填空（共12小题） 阅读下面短文，在空白处填入个适当的单词或括号内单词的正确形式。 Last month,our school held a debate on the theme"Is technology making us less sociable?" The event aimed to help students understand the 1 (factor)that influence social behavior in the digital age.During the debate,one side argued that social media puts too much 2 (press)on young people to present a perfect life.They claimed that people often 3 (blame)social media for the decline in face-to-face communication.The other side,however,pointed out that technology allows us to 4 (adapt)to new ways of staying connected,especially during difficult times. The judges were deeply 5 (impress)by the speakers'logical arguments.One of the judges said,The real 6 (solve)is not to stop using technology,but to use it 7 (responsible)."He also 8 (reveal)that many studies show the 9 (limit)impact of technology on relationships if users are mindful.The debate helped students realize that the 10 (extend)to which technology affects us depends on how we use it.To be a 11 (rely)communicator,one must balance online and offline interactions.In the end,the students agreed that everyone is 12 (responsible)for creating a healthy social environment. 三、参考答案 (一)单句填空 1.on (blame sth.on sb.);2.theme;3.factors;4.pressure;5.impressed;6.to;7.revealed; 8.for;9.limited;10.reliable;11.extent (to a certain extent);12.to (solution to) (二)单句表达 1.blame;for;2.theme of;3.Economic factor,factor;4.Under peer pressure;5.impressed; deeply;6.adapted from;7.revealed;with;8.To some extent;responsible for (三)短文填空 1.factors;2.pressure;3.blame;4.adapt;5.impressed;6.solution;7.responsibly; 8.revealed;9.limited;10.extent;11.reliable;12.responsible