Unit 3 Healthy Life style B部分-2025-2026学年高中英语必修第三册期末词汇复习（沪外版）

期末词汇复习 必修第三册·沪外版·Unit3 Healthy LifestyleB部分 一、】 重点单词详解 1:beneficial 一、核心考点 词性：形容词(adj.) 核心义：adj.有利的；有帮助的；有用的（能改善状况） 二、必记搭配与例句 be beneficial to sth./sb.(对某事/某人有益)：Regular exercise is beneficial to health.(规律 锻炼对健康有益。) 三、重点辨析 beneficial侧重”对整体状况有积极影响”，反义词harmful;advantageous侧重”带来优 势或便利。 2:depression 、核心考点 词性：名词(n.) 核心义：n.抑郁症（以持续悲伤、焦虑及生理症状为特征的疾病）；抑郁（情绪） 二、 必记搭配与例句 suffer from depression(患抑郁症)：She has been struggling with depression for years.(她 多年来一直在与抑郁症抗争。) 三、重点辨析 词义拓展：还可表示”经济萧条”，如the Great Depression(大萧条)。 3:reduce 、 核心考点 词性：动词(v.) 核心义：V.减少，缩小（尺寸、数量、价格等） 二、必记搭配与例句 reduce sth.by..(减少某物…程度/数量)：The price was reduced by30%。(价格降低了 30%。) reduce stress(减压)；reduce waste(减少浪费) 三、重点辨析 reduce侧重”数量、程度的降低”；decrease可作动词或名词，语气较平和；diminish强 调”因减少而失去重要性”。 4:confirm 、 核心考点 词性：动词(v.) 核心义：v.证实，证明，确认（提供证据确保某事真实) 二、必记搭配与例句 confirm sth.(证实某事)：The test results confirmed her suspicion.(检测结果证实了她的 怀疑。) confirm a reservation（确认预订) 三、重点辨析 confirm强调”通过证据或行动证明”；verify侧重”核对事实是否准确”。 5:pressure 一、 核心考点 词性：名词(n.) 核心义：.压力：压强；挤压（气体液体产生的力，或物体间的压迫） 二、必记搭配与例句 under pressure（处于压力下)：He works well under pressure.(他在压力下能很好地工 作。) put pressure on sb.to do sth.(迫使某人做某事) 重点辨析 词义拓展：作动词时，例：They pressured her to sign the contract.(他们强迫她签合同。) 6:improve 一、 核心考点 词性：动词(v.) 核心义：v.改进；改善（变得比之前更好） 必记搭配与例句 improve sth.(改善某物)；improve in sth.(在某方面进步)：She has improved her English a lot this year.(她今年英语进步很大。) 三、 重点辨析 固定短语：improve on//upon sth.（改进某物，比之前更好)：The new model improves on the old one in efficiency.(新型号在效率上比旧型号有所改进。) 7:extreme 一、核心考点 词性：形容词(ad.) 核心义：adj.极大的（程度很高）：极端的 二、必记搭配与例句 extreme weather(极端天气) in the extreme(极其，非常)：HIer patience was tested in the extreme.(她的耐心受到了极 大的考验。) 三、重点辨析 extreme强调”超出常规的程度；severe侧重”严重的，严厉的”（如severe pain)。 8:option 核心考点 词性：名词(n.) 核心义：n.选择物；选择权；选择的自由 二、必记搭配与例句 have the option to do sth.(有做某事的选择权)：You have the option to study abroad or stay here.(你可以选择出国深造或留在这里。) E、 重点辨析 option侧重？可供选择的事物；choice泛指”选择的行为或结果”；alternative强调”两 者中选其一。 9:confirm 一、 核心考点 词性：动词(v.) 核心义：v.证实，证明，确认（提供证据确保某事真实） 二、必记搭配与例句 confirm sth.(证实某事) confirm that..(确认…)：The test results confirmed her suspicion.（检测结果证实了她 的怀疑。) 三、重点辨析 confirm强调”通过证据或行动证明”；verify侧重”核对事实是否准确”。 10:overall 、 核心考点 词性：形容词(ad.)、副词(adv.) 核心义：adj.综合的；总的（包含所有相关事物）；adv.总体上 二、必记搭配与例句 overall situation(总体情况)：The overall cost of the project is within budget..(项目总成本 在预算范围内。) 副词用法：Overall,the team performed well.(总体而言，团队表现不错。) 三、重点辨析 作名词时可表示”工装裤”，但此处重点为形容词和副词用法。 二、词汇巩固练习 (一)单项选择(10题) 1.Regular exercise is_to both physical and mental health A)beneficial B)advantageous C)harmful D)extreme 2.Many people find it hard to talk about their experience of_ A)depress B)depressed C)depression D)depressing 3.The company plans to its workforce by 10%next year A)reduce B)reduction C)reducible D)decreasing 4.The lab results_that the new drug is effective. A)verify B)confirm C)improve D)option 5.Students often feelbefore important exams. A)pressure B)pressured C)press D)depressive 6.She has_her pronunciation a lot through daily practice. A)improvement B)improved C)improving D)improve 7.weather conditions have disrupted traffic in many regions. A)Extreme B)Extremely C)Extremity D)Severely 8.You have the_to choose between online and offline courses. A)choice B)alternative C)option D)select 9.,the project was completed on time and within budget. A)Overall B)Overalls C)Over D)Altogether 10.The price of this laptop has been-by 20%since last month. A)reduce B)reduced C)reduction D)reducing (二)根据提示补全句子(8题) 1.A balanced diet is(benefit)to children's growth 2.The doctor prescribed medicine to treat her(depress) 3.We need to make a 15%(reduce)in our monthly expenses 4.Please send an email to(confirmation)your attendance. 5.The team worked(pressure)to meet the deadline. 6.There has been a significant_(improve)in her math grades 7.He was(extreme)tired after the long-distance race 8.This course is_(option),but it highly recommended for freshmen. (三)首字母填空(10题) 1.Early morning exercise is bto maintaining good health. 2.The Great D in the 1930s caused widespread unemployment 3.To save energy,we should r the use of air conditioners. 4.The manager called to cthe details of the meeting. 5.Under p some people perform better than usual. 6.Practice is the key to i your language skills 7.The hiker got lost in eweather and needed rescue 8.After comparing all plans,we finally chose the best o 9.O_feedback from students will help improve the course 10.The company aims to rcarbon emissions by 50%by 2030. (四)答案与解析 1.单项选择答案：ACA BB BA CA B 解析1（第1题）： 考查beneficial的固定用法。be beneficial to sth./sb.表示”对某事/某人有益”，符合句 意”规律锻炼对身心健康有益”；advantageous侧重'带来优势”，harmful表示”有害的， extreme表示”极端的”，均不符合语境，故选A。 解析2（第2题）： 考查depression的词性用法。experience of后接名词，depression为名词形式，符合句 意”很多人发现很难谈论他们患抑郁症的经历；depress为动词，depressed和depressing 为形容词，均不符合语法要求，故选C。 解析3（第3题）： 考查reduce的动词用法。plan to后接动词原形，reduce为动词原形，符合句意”公司计 划明年裁员10%”；1 eduction为名词，reducible为形容词，decreasing为现在分词，均不 符合语法要求，故选A。 2.补全句子答案： 1.beneficial 2.depression 3.reduction 4.confirm 5.pressured 6.improvement 7.extremely 8.optional 3.首字母填空答案： 1.beneficial 2.Depression 3.reduce 4.confirm 5.pressure 6.improve 7.extreme 8.option 9.Overall 10.reduce 英语词汇复习手册·必修第三册·Unit3 Healthy Lifestyle B部分