Unit 2 Healthy Lifestyle 单词精讲课件-2025-2026学年高中英语人教版（2019）选择性必修第三册

人教版(2019)选择性必修第三册 单词精讲 Unit 2 Healthy Lifestyle 重点词汇与短语 /təˈbækəʊ/ tobacco (名词)烟草；烟叶 搭　配 tobacco smoke 烟草烟雾；chewing tobacco 嚼烟 例　句 The smell of tobacco filled the room. 烟草的气味充满了房间。 Farmers here grow tobacco for a living. 这里的农民以种植烟草为生。 2 / 57 /ˈælkəhɒl/ alcohol (名词)酒；酒精 拓　展 alcohol abuse 酗酒；alcoholic adj. 含酒精的 例　句 He never drinks alcohol before driving. 他开车前从不喝酒。 Wine contains about 12% alcohol. 葡萄酒含约百分之十二的酒精。 3 / 57 /əˈbjuːs/ abuse (名词/动词)滥用；虐待；辱骂 用　法 abuse power 滥用权力；drug abuse 药物滥用 例　句 He was punished for abusing his power. 他因滥用权力而受到惩罚。 Some young people abuse drugs out of curiosity. 有些年轻人出于好奇滥用药物。 4 / 57 /ˈfɪzɪkl/ physical (形容词)身体的；客观存在的；物理学的 拓　展 physical exercise 体育锻炼；physically adv. 身体上 例　句 Physical activity keeps us healthy. 体育活动使我们保持健康。 The physical world follows natural laws. 物质世界遵循自然规律。 5 / 57 /ˈdɒmɪneɪt/ dominate (动词)支配；控制；占有优势 搭　配 dominate the market 占据市场；dominant adj. 占支配地位的 例　句 The company dominates the software market. 这家公司主导着软件市场。 Fear dominated her thoughts. 恐惧支配了她的思绪。 6 / 57 /rɪˈpiːtɪdli/ repeatedly (副词)重复地 拓　展 repeat v. 重复；repeated adj. 反复的 例　句 He repeatedly warned us about the risk. 他一再警告我们有风险。 The teacher repeatedly explained the rule. 老师反复解释了这条规则。 7 / 57 /saɪˈkɒlədʒi/ psychology (名词)心理学；心理；心理影响 拓　展 psychologist n. 心理学家；psychological adj. 心理的 例　句 She studies psychology at university. 她在大学学习心理学。 Colour affects human psychology. 颜色影响人的心理。 8 / 57 /kjuː/ cue (名词/动词)提示；暗示；信号 / 给(某人)暗示(或提示) 搭　配 cue sb. to do sth. 提示某人做某事；on cue 恰好在这时 例　句 The teacher gave us a cue to start. 老师示意我们开始。 Her silence was a cue that she disagreed. 她的沉默暗示她不同意。 9 / 57 in response to (短语)回答；答复 用　法 in response to 后接名词；respond v. 回应 例　句 He wrote a letter in response to my question. 他写信回答我的问题。 It acted in response to public pressure. 这是对公众压力的回应。 10 / 57 /rɪˈwɔːd/ reward (名词/动词)回报；奖励；报酬 / 奖励；奖赏；给以报酬 辨　析 reward 因做事得到的回报；award 正式颁发的奖项 例　句 Hard work will bring its own reward. 努力自会有回报。 They rewarded him with a medal. 他们奖给他一枚奖章。 11 / 57 /rɪˈlaɪ/ rely (动词)依赖；依靠；信赖 搭　配 rely on 依靠；reliable adj. 可靠的 例　句 You can rely on her to keep a secret. 你可以相信她会保守秘密。 We rely heavily on computers at work. 我们在工作中非常依赖电脑。 12 / 57 rely on (短语)依赖；依靠；信赖 用　法 rely on sb. to do sth. 依靠某人做某事 例　句 We rely on the sun for light and heat. 我们依靠太阳获得光和热。 She relies on her parents for money. 她靠父母给钱。 13 / 57 /fəˈsɪlɪteɪt/ facilitate (动词)促进；促使；使便利 拓　展 facility n. 设施；facilitate 后直接接名词 例　句 The new road will facilitate trade. 这条新路将促进贸易。 Apps facilitate communication between us. 应用程序便利了我们之间的交流。 14 / 57 /ɪɡˈzæmɪn/ examine (动词)(仔细)检查；审查；测验 辨　析 examine 仔细检查；check 核对；test 测试 例　句 The doctor examined my throat carefully. 医生仔细检查了我的喉咙。 We must examine the causes of the failure. 我们必须审查失败的原因。 15 / 57 /ˈneɡətɪv/ negative (形容词)消极的；有害的；否定的 辨　析 negative 消极否定的；pessimistic 对前途悲观的 例　句 Too much screen time has a negative effect. 看屏幕太久有负面影响。 He gave a negative answer to my request. 他对我的请求作了否定的答复。 16 / 57 /ˈeskəleɪtə(r)/ escalator (名词)自动扶梯；滚梯 拓　展 escalate v. 逐步升级；escalator 由其派生 例　句 Take the escalator to the second floor. 乘自动扶梯到二楼。 The escalator was crowded at rush hour. 高峰时自动扶梯很挤。 17 / 57 straight away (短语)立即；马上 辨　析 straight away 英式；right away 美式；at once 立刻 例　句 Call the doctor straight away. 马上叫医生。 She recognized him straight away. 她立刻认出了他。 18 / 57 /ˌpesɪˈmɪstɪk/ pessimistic (形容词)悲观的；悲观主义的 辨　析 pessimistic 悲观的 ↔ optimistic 乐观的 例　句 Don't be so pessimistic about the future. 别对未来那么悲观。 He is pessimistic about finding a job. 他对找工作感到悲观。 19 / 57 /ˈdɪsɪplɪn/ discipline (名词/动词)自制力；纪律；学科 / 自我控制；管教；处罚 搭　配 self-discipline 自律；discipline oneself 约束自己 例　句 Learning a language needs discipline. 学语言需要自律。 Good discipline keeps the class in order. 良好的纪律使班级井然有序。 20 / 57 /pɪl/ pill (名词)药丸；药片 辨　析 pill 药丸；tablet 片剂；capsule 胶囊 例　句 Take one pill after each meal. 每餐后服一片药。 She swallowed the pill with water. 她用水吞下药丸。 21 / 57 /dɪˈliːt/ delete (动词)删去；删除 搭　配 delete a file 删除文件；delete a message 删除信息 例　句 He deleted the message by mistake. 他误删了那条信息。 Delete the file if you don't need it. 如果不需要就删掉这个文件。 22 / 57 decide on (短语)决定；选定 辨　析 decide on 选定某物；decide to do 决定做某事 例　句 We decided on a date for the trip. 我们选定了旅行的日期。 Have you decided on a topic yet? 你定好题目了吗？ 23 / 57 make up one's mind (短语)下定决心 用　法 make up one's mind to do sth. 决心做某事 例　句 She has made up her mind to quit sugar. 她已下决心戒糖。 It's time to make up your mind. 该下决心了。 24 / 57 /kəmˈpəʊz/ compose (动词)组成；作曲；撰写 拓　展 be composed of 由……组成；composer n. 作曲家 例　句 He composed a song for his mother. 他为母亲写了一首歌。 Ten members compose the committee. 委员会由十名成员组成。 25 / 57 be composed of (短语)由……组成(或构成)的 辨　析 be composed of 由……组成；consist of 不用被动 例　句 The team is composed of eight students. 这个队由八名学生组成。 Water is composed of hydrogen and oxygen. 水由氢和氧组成。 26 / 57 /ˈsɜːdʒən/ surgeon (名词)外科医生 辨　析 surgeon 外科医生；physician 内科医生 例　句 The surgeon performed a difficult operation. 这位外科医生做了一台难度很大的手术。 She wants to be a heart surgeon. 她想成为一名心脏外科医生。 27 / 57 /ˈsɜːdʒəri/ surgery (名词)外科手术；外科学 搭　配 have surgery 做手术；plastic surgery 整形手术 例　句 He needs surgery on his knee. 他的膝盖需要手术。 She is recovering from surgery. 她正在术后恢复中。 28 / 57 /ˌlɪbəˈreɪʃn/ liberation (名词)解放；摆脱 拓　展 liberate v. 解放；liberation 由动词加 -ion 构成 例　句 The city celebrated its liberation. 这座城市庆祝解放。 Exercise brings a sense of liberation. 运动带来一种解脱感。 29 / 57 /ʃeɪv/ shave (动词/名词)剃(须发)；刮脸 搭　配 shave off 剃掉；have a shave 刮脸 例　句 He shaves every morning before work. 他每天上班前刮胡子。 He shaved his head last summer. 去年夏天他剃了光头。 30 / 57 shave off (短语)剃掉；刮去 用　法 shave off 剃毛发，也可指削去薄薄一层 例　句 He shaved off his beard for the interview. 为面试他剃掉了胡子。 She shaved off a thin layer of cheese. 她削去薄薄一层奶酪。 31 / 57 /bɪəd/ beard (名词)胡须；络腮胡子 辨　析 beard 络腮胡；moustache 唇上胡须 例　句 He has grown a long beard. 他留了长胡子。 His beard turned grey at forty. 他四十岁时胡子就白了。 32 / 57 /dɪˈstɜːb/ disturb (动词)打扰；搅乱；使烦恼 搭　配 disturb sb. 打扰某人；Do not disturb. 请勿打扰 例　句 Please don't disturb me while I study. 我学习时请不要打扰我。 The noise disturbed his sleep. 噪音搅了他的睡眠。 33 / 57 /ˌsɪɡəˈret/ cigarette (名词)香烟；卷烟 搭　配 light a cigarette 点烟；cigarette end 烟头 例　句 He put out the cigarette at once. 他立刻掐灭了香烟。 The room smelled of cigarettes. 房间里有一股烟味。 34 / 57 /ˈspeʃəlɪst/ specialist (名词)专科医生；专家 拓　展 a specialist in 某领域的专家；specialise v. 专攻 例　句 The doctor sent me to a heart specialist. 医生把我转给一位心脏专家。 She is a specialist in children's health. 她是儿童健康方面的专家。 35 / 57 /kənˈsʌltənt/ consultant (名词)顾问；高级顾问医师 拓　展 consult v. 咨询；consultant 由动词加 -ant 构成 例　句 He works as a consultant for a bank. 他为一家银行当顾问。 The consultant advised him to rest. 这位高级顾问医师建议他休息。 36 / 57 /drʌɡ/ drug (名词)毒品；药物 辨　析 drug 药物，亦可指毒品；medicine 药(不可数) 例　句 The drug is used to treat cancer. 这种药物用于治疗癌症。 He was arrested for selling drugs. 他因贩卖毒品被捕。 37 / 57 /skɪp/ skip (动词/名词)跳过；不参加；悄悄溜走 / 蹦蹦跳跳地走 / 蹦跳 搭　配 skip breakfast 不吃早饭；skip a class 逃课 例　句 Don't skip breakfast before school. 上学前不要不吃早饭。 The children skipped along the path. 孩子们沿小路蹦跳着走。 38 / 57 /ˈdɪzi/ dizzy (形容词)头晕目眩的 搭　配 feel dizzy 感到头晕；dizziness n. 头晕 例　句 Standing up fast made me dizzy. 猛地站起来让我头晕。 She felt dizzy in the hot sun. 她在烈日下感到头晕。 39 / 57 /fluː/ flu (名词)流感 搭　配 catch the flu 患流感；为 influenza 的缩写 例　句 He stayed home with flu last week. 上周他因流感待在家里。 Flu spreads quickly in winter. 流感在冬天传播很快。 40 / 57 /ˈstɪmjuleɪt/ stimulate (动词)激发；促进；刺激 拓　展 stimulate sb. to do sth. 激励某人；stimulation n. 刺激 例　句 Good music can stimulate the brain. 好音乐能刺激大脑。 The policy aims to stimulate growth. 该政策旨在促进增长。 41 / 57 /ˈdentɪst/ dentist (名词)牙科医生 搭　配 see a dentist 看牙医；dental adj. 牙齿的 例　句 You should see a dentist about that tooth. 那颗牙你该去看牙医。 Dentists advise brushing twice a day. 牙医建议每天刷两次牙。 42 / 57 /ˈʃʊɡəri/ sugary (形容词)含糖的；甜的 拓　展 sugar n. 糖；-y 后缀构成形容词，如 salty 咸的 例　句 Cut down on sugary drinks. 少喝含糖饮料。 The cake is too sugary for me. 这蛋糕对我来说太甜了。 43 / 57 /nʌt/ nut (名词)坚果 搭　配 a handful of nuts 一把坚果；nut 还可指螺母 例　句 Nuts give us healthy fats and protein. 坚果为我们提供健康脂肪和蛋白质。 She eats a few nuts every day. 她每天吃几颗坚果。 44 / 57 /ˈskeɪtbɔːd/ skateboard (名词/动词)滑板 / 滑滑板 搭　配 ride a skateboard 滑滑板；skateboarding n. 滑板运动 例　句 He skateboards to school every day. 他每天滑滑板上学。 My skateboard is under the desk. 我的滑板在桌子下面。 45 / 57 /daɪˈnæmɪk/ dynamic (形容词)充满活力的；精力充沛的；动态的 拓　展 dynamism n. 活力；static 静态的(反义) 例　句 She is a dynamic young teacher. 她是一位充满活力的年轻教师。 The market is dynamic and always changing. 市场是动态的，总在变化。 46 / 57 stressed out (短语)焦虑不安；心力交瘁 用　法 be stressed out 感到焦躁不安；stress n. 压力 例　句 He was stressed out before the exam. 考试前他焦虑不安。 Too much work left her stressed out. 工作太多让她心力交瘁。 47 / 57 worn out (短语)筋疲力尽的；疲惫的 辨　析 worn out 人疲惫或物磨损；tired out 十分疲惫 例　句 After the match we were worn out. 比赛后我们筋疲力尽。 These shoes are completely worn out. 这双鞋已经彻底磨破了。 48 / 57 /ˈbəʊlɪŋ/ bowling (名词)保龄球运动 搭　配 go bowling 去打保龄球；bowling alley 保龄球馆 例　句 We went bowling on Saturday night. 我们周六晚上去打保龄球了。 There is a bowling alley near my home. 我家附近有个保龄球馆。 49 / 57 /ˈkɒmədi/ comedy (名词)喜剧；喜剧片；滑稽节目 辨　析 comedy 喜剧 ↔ tragedy 悲剧 例　句 We watched a comedy last night. 我们昨晚看了一部喜剧。 His life was like a comedy. 他的生活就像一出喜剧。 50 / 57 /ˈmʌnθli/ monthly (副词/形容词/名词)每月；每月一次的 / 月刊 拓　展 daily 每日的；weekly 每周的；annual 每年的 例　句 The magazine comes out monthly. 这本杂志每月出版。 We hold a monthly class meeting. 我们每月开一次班会。 51 / 57 /ɪnˈhɑːns/ enhance (动词)提高；增强；增进 辨　析 enhance 提升质量或价值；improve 一般改善 例　句 Reading enhances your writing skills. 阅读能提升你的写作能力。 Soft light enhances the mood of a room. 柔光能增进房间的气氛。 52 / 57 /rɪˈfreʃ/ refresh (动词)使恢复精力；使凉爽；刷新 拓　展 refresh 使恢复精力；refreshment n. 茶点 例　句 A short nap will refresh you. 小睡一会儿会让你恢复精力。 Click here to refresh the page. 点击这里刷新页面。 53 / 57 /əbˈzɔːb/ absorb (动词)吸引全部注意力；吸收 搭　配 be absorbed in 全神贯注于；absorb water 吸水 例　句 He was absorbed in his book. 他专心读着书。 Plants absorb water through their roots. 植物通过根吸收水分。 54 / 57 /ˈærɪstɒtl/ Aristotle (专有名词)亚里士多德（古希腊哲学家） 拓　展 古希腊哲学家，柏拉图的学生。 例　句 Aristotle taught Alexander the Great. 亚里士多德教过亚历山大大帝。 Aristotle wrote about nature and people. 亚里士多德写了许多关于自然与人的著作。 55 / 57 the People's Liberation Army (PLA) (专有名词)中国人民解放军 拓　展 中国的武装力量，英文简称 PLA。 例　句 The People's Liberation Army defends the country. 中国人民解放军保卫国家。 Soldiers of the People's Liberation Army help people. 解放军战士帮助群众。 56 / 57 Lao Zi (专有名词)老子（中国古代哲学家） 拓　展 中国古代哲学家，道家学派创始人。 例　句 Lao Zi is an ancient Chinese thinker. 老子是中国古代思想家。 Lao Zi's ideas are in the Dao De Jing. 老子的思想收录在《道德经》中。 57 / 57 $