Unit 3 Be Active and Healthy 一-2025-2026学年高中英语必修第二册期末词汇复习（冀教版）

期末词汇复习 必修2·冀教版·Unit3 BeActiveandHealthy!一 一、重点单词详解 1:sedentary 一、核心考点 词性：形容词(adj.) 核心义：adj.久坐不动的 二、构词法（词根） 词根：sed-(=sit,坐)，如sediment（沉淀物，原义”坐下的物质) 后缀：-ay(形容词后缀，表示”与…有关的”) 三、词汇变形与搭配 反义词：active(adj.活跃的) 常见搭配：lead a sedentary life(过久坐的生活)：sedentary job(久坐的工作) 四、用法拓展 高考高频语境：讨论健康话题时描述生活方式，如Sedentary habits may increase the risk of obesity.”(久坐习惯可能增加肥胖风险) 2:sufficient 一、核心考点 词性：形容词(adj.) 核心义：adj.足够的；充分的 二、构词法（词性转换） 动词：suf伍ce/sa'fas/(v.足够) 形容词：sufficient(由suffice+-ient构成) 名词：smf伍ciency/sa'fmsi/(n.充足) 三、辨析与搭配 辨析：suf伍cient（正式，侧重数量足够)vs.enough(口语，可放名词前或后) 常见搭配：be sufficient for sth.(对某事足够)；sufficient evidence(充分证据) 四、高考句型 It is sufficient to note that the plan has been approved..”(只需注意计划已获批即可。) 3:illustrate 、 核心考点 词性：动词(v.) 核心义：v.说明；解释；给…加插图 二、构词法（词性转换） 名词：llustration/la'strer fn/(n.说明；插图) 形容词：illustrative/rlastretrv/(adj.说明性的) 三、用法与搭配 常见搭配：illustrate sth.with sth.（用…说明…)；llustrate a point（阐明观点) 高考语境：The example illustrates the importance of teamwork.?(该例子说明了团队合作 的重要性。) 4:diabetes →、 核心考点 词性：名词(n.) 核心义：n.糖尿病（不可数名词） 二、构词法与拓展 词源：源自希腊语”diabainein”(穿过)，因患者”多尿”症状得名 形容词：diabetic/,dar'betrk/(adj.糖尿病的；n.糖尿病患者) 三、常见搭配 suffer from diabetes（患糖尿病)；diabetes mellitus(糖尿病，医学全称) 四、高考健康类话题高频词 5:transportation “、 核心考点」 词性：名词(n.) 核心义：n.交通工具；运输 二、构词法（词性转换） 动词：transport/ren'sp3:t/（V.运输) 名词：ransport(n.运输，英式)；transportation(美式，更强调系统) 三、搭配与辨析 辨析：transport（具体运输行为)vs.transpo1 tation(抽象运输系统) 常见搭配：public transportation(公共交通)；女ranspo1 tation costs(运输成本) 6:ignore 一、 核心考点 词性：动词(v.) 核心义：v.忽视；不理睬 二、构词法（词根与反义词） 词根：gnor-(-know,知道)，如ignorant（无知的) 反义词：notice(注意到)：acknowledge(承认) 三、词汇变形 名词：ignorance/'Ign3rns/(n.无知) 形容词：ignorant/'Ignerent/(adj.无知的；不知道的) 四、搭配与高考例句 搭配：ignore sb./sth.（忽视某人/某事) 例句：It is unwise to ignore the doctor's advice.”(忽视医生的建议是不明智的。) 7:prevent 一、核心考点 词性：动词(.) 核心义：v.阻止；阻碍 构词法（词性转换） 名词：prevention/pr'venn/(n.预防) 形容词：preventive/prI'ventrv/(adj.预防性的) 三、搭配与句型 固定搭配：prevent sb.from doing sth.(阻止某人做某事) 同义替换：stop/keep sb.from doing sth.(注意keep搭配fiom不可省) 高考例句：Measures must be taken to prevent the disease from spreading.”(必须采取措施 防止疾病传播。) 8:aerobics 一、核心考点 词性：名词(n.) 核心义：n.有氧运动（单复数同形） 二、构词法（词根） 词根：aer(空气)+bio-(生命)+ics(学科/运动)，字面义”有氧生命运动 三、搭配与拓展 常见搭配：do aerobics(做有氧运动)；aerobics class(有氧健身课) 拓展：anaerobic/,ene3'reubik/(adj.无氧的) 四、高考健康话题高频词 9:reduce 一、 核心考点 词性：动词(v.) 核心义：v.减少；缩小；降低 二、构词法（词性转换） 名词：reduction /'dak(n.减少) 形容词：reducible/'dju:sabl/(adj.可减少的) 三、搭配与辨析 搭配：reduce sth.by.(减少了…)：educe sth.to..(减少到…) 辨析：reduce(数量减少)vs.decrease(范围更广，可及物或不及物) 四、高考句型 The price was reduced by30%during the sale.”(促销期间价格降低了30%。) 10:rural 一、 核心考点 词性：形容词(adj.) 核心义：adj.乡村的；农村的 二、构词法与反义词 词根：r-（乡村，如rality /roa'1alti/乡村生活) 反义词：rban/3ba/(adj.城市的) 三、搭配与高考话题 搭配：ral area（农村地区)：rural development(乡村发展) 高频话题：城乡对比、乡村振兴，如Rural education has made great progress.”(农村教 育取得了巨大进步。) 二、词汇巩固练习 (一)单项选择(10题) 1.People with lifestyles are more likely to gain weight easily. A)active B)sedentary C)rural D)sufficient 2.The company needs_evidence to support its claim in court. A)sufficient B)illustrative C)preventive D)aerobic 3.The teacher used a simple story to_the importance of honesty. A)ignore B)reduce C)illustrate D)transport 4.Regular exercise can helpthe risk of developing diabetes A)prevent B)ignore C)suffer D)reduce 5.Public in big cities is usually more convenient than in rural areas. A)transport B)transportation C)reduction D)illustration 6.It is unwise to_the doctor's advice when you are seriously ill. A)notice B)acknowledge C)ignore D)prevent 7.The price of this jacket was by 20%during the weekend sale A)reduced B)prevented C)illustrated D)transported 8.areas often have cleaner air and slower pace of life compared to cities A)Urban B)Rural C)Diabetic D)Sufficient 9.Doing for 30 minutes every day is good for heart health A)aerobics B)diabetes C)transportation D)reduction 10.The example in the textbook clearly how the new theory works. A)suffocates B)illustrates C)ignores D)reduces (二)根据提示补全句子(6题) 1.Lack of physical activity may lead to the(develop)of diabetes. 2.The government has taken_(prevent)measures to control the spread of the disease. 3.The(illustrate)in this book makes the content easier to understand. 4.We need to_(reduction)our daily expenses to save more money. 5.The_(tend)to ignore mental health issues is common in some societies. 6.(sufficient)of sleep can affect a person's productivity and mood. (三)首字母填空(10题) 1.A sjob like office work requires regular breaks to avoid back pain 2.Please provide sproof that you have completed the course. 3.The chart is used to i the relationship between time and efficiency. 4.Diabetes is a chronic disease that affects the body's ability to control bsugar. 5.Many people in r areas still rely on traditional farming methods. 6.Ignoring environmental problems will lead to sconsequences in the future. 7.Regular exercise and a balanced diet can help p many health problems 8.Taking public t is a more environmentally friendly choice than driving alone. 9.The number of patients in the hospital has been r by half since last month. 10.Joining an a class is a fun way to stay fit and meet new friends. (四)答案与解析 1.单项选择答案：BA C D B C A B A B 解析1（第1题）： 考查sedentary的含义。sedentary表示”久坐不动的”，符合句意”久坐不动的生活方式 更容易导致体重增加”；active表示”活跃的”，ural表示”农村的”，suf伍cient表示”足够 的”，均不符合语境，故选B。 解析2（第3题）： 考查illustrate的用法。illustrate表示”说明，解释”，符合句意”老师用一个简单的故事 来说明诚实的重要性”；ignore表示”忽视”，1 educe表示”减少”，transport表示”运输”， 均不符合语境，故选C。 解析3（第4题）： 考查reduce的用法。reduce表示”减少”，符合句意”定期锻炼有助于降低患糖尿病的风 险”；prevent表示”预防”，ignore表示”忽视”，suffer表示”遭受，均不符合语境，故 选D。 2.补全句子答案： 1.development 2.preventive 3.illustration 4.reduce 5.tendency 6.Insufficiency 3.首字母填空答案： 1.sedentary 2.sufficient 3.illustrate 4.blood 5.rural 6.serious 7.prevent 8.transportation 9.reduced 10.aerobics 英语词汇复习手册·必修2·Unit3 Be Active and Healthy!一