Unit 2 Improving yourself一-2025-2026学年高中英语词义辨析及同义替换精讲选择性必修第二册（外研版）

高中外研版 【Unit2】 Improving yourself 词义辨析精讲 【Unit2】Improving yourself 词义辨析及同义替换精讲 本单元核心词汇 一、全部单元单词 security/sI'kjvarati/n.安全 (时间) deadline/'dedlamn/n.截止时间； moderator/'mpdareita(r)/n.主profile/'praufarl/n.概况 最后期限 持人 distract/d'straekt/v.分散（注procrastination/,praukraestI'neifn/ detox/di:toks/n.脱瘾 意力)，使分心 n.拖延 fundraising /'fandreizm/n. constantly /'kpnstantli/adv. appropriate /a'praopriat/adj. 捐，筹款 续不断地；经常地 当的：合适的 switch /swit/v.(用开关)改 towel/'ta5l/n.毛巾 spit /spit/V.吐口水，吐唾沫 变，转换 throw in the towel认输 headphones/'hedfaunz/n.（头 switch on(用开关)打开 access/'ekses/n.接触的机会 戴式)耳机 motivate/'mautivert//v.激发，激rely r'la/v.(为生活或生存bin /bin/n.垃圾箱 励 而)依赖 consid☑erate /kan'sIdarat/adj.替 occupy/kjupaI//V.占用，占去rely on依靠，依赖 他人着想的 词义辨析及同义替换 l.notivate/nautrveit/.v.激发，激励 词义辨析： motivate:侧重通过内在驱动或外部因素激发某人的行为动机，常接人作宾语，强调促使行动的 原因。 inspire:更侧重通过榜样、精神力量等使人产生灵感或热情，可接人或行为作宾语。 同义替换： inspire,stimulate 例句： The teacher used interesting stories to motivate students to learn English 真题链接：（外研版高中选择性必修第二册同步练习） His encouraging wordsus to work harder on the project. A.prevented B.motivated C.punished(答案：B) 高中外研版 【Unit2】 Improving yourself 2.occupy/'pkjupar/v.占用，占去（时间） 词义辨析： occupy:强调“占据、占用”时间或空间，常用搭配“occupy sb.'sime”。 take up:含义更广，可指“开始从事”“占据（时间/空间）”，口语中更常用。 同义替换： take up,engage 例句： Housework occupies most of her free time 真题链接：（外研版高中选择性必修第二册单元检测） Playing computer games too much of his time,which affects his studies A.takes up B.makes up C.gives up (答案：A) 3.distract/d'straekt/v.分散（注意力），使分心 词义辨析： distract:侧重“使注意力偏离原本的事物”，常用搭配“distract sb.from sth.”。 divert:除“转移注意力”外，还可指“改变方向”“使转向”，适用范围更广。 同义替换： divert,draw away 例句： The noise outside distracted her from studying. 真题链接：（外研版高中选择性必修第二册期中复习题） The sudden phone call his attention from the meeting. A.attracted B.distracted C.focused (答案：B) 4.rey'la/v.(为生活或生存而)依赖&rely on依靠，依赖 词义辨析： rely on:强调“信赖某人某物提供帮助或支持”，宾语可以是人、物或行为。 d©pend on:侧重“取决于…”，强调某事的发生由另一事物决定，也可表示“依赖”。 同义替换： depend on,count on 例句： We can rely on him to finish the task on time. 真题链接：（外研版高中选择性必修第二册同步练习） Success _hard work and good opportunities. A.relies on B.lives on C.puts on (答案：A) 5.deadline/dedlam/n.截止时间；最后期限 2 高中外研版 【Unit2】 Improving yourself 词义辨析： deadline:指“必须完成某事的最后日期”，语气较正式，常用于工作、学习等场景。 due date: 侧重“应付款项或任务的到期日”，也可指“预产期”，使用范围更广。 同义替换： due date,time limit 例句： We must submit the report before the deadline. 真题链接：（外研版高中选择性必修第二册单元检测） Don't wait until the last minute to start your homework.Remember the is this Friday. A.schedule B.deadline C.plan(答案：B) 6.procrastination/,praokraesti'nejn/n.拖延 词义辨析： procrastination:正式名词，指“习惯性推迟做某事的行为”，强调长期的拖延倾向。 delay:既可作名词也可作动词，指“暂时的延迟或耽误”，侧重时间上的滞后。 同义替换： delay,putting off 例句： Procrastination often leads to stress and poor results. 真题链接：（外研版高中选择性必修第二册阅读理解题) According to the passage,what is one main cause of among students? A.motivation B.procrastination C.concentration (答案：B) 7.appropriate /a'praoprist/adj.恰当的；合适的 词义辨析： appropriate:强调“符合特定场合、目的或身份的适当”，语气较正式。 suitable:侧重“适合某种需求或条件”，使用范围更广，可指人或物。 同义替换： suitable,proper 例句： It's appropriate to wear formal clothes at a wedding. 真题链接：（外研版高中选择性必修第二册同步练习） Choose the most words to describe your feelings in the essay. A.appropriate B.similar C.difficult （答案：A) 8.considerate /kan'sIderat/adj.替他人着想的 词义辨析： considerate:强调“关心他人感受、体贴周到”，侧重行为上的表现。 thoughtful:除“体贴的”外，还可指“深思熟虑的”，既可形容人也可形容行为。 高中外研版 【Unit2】 Improving yourself 同义替换： thoughtful,caring 例句： It was considerate of her to help the old lady cross the road. 真题链接：（外研版高中选择性必修第二册完形填空题） A person always thinks about others before himself. A.selfish B.considerate C.careless (答案：B) 9.access/'ekses/n.接触的机会 词义辨析： access:指“使用、接触或进入某物的机会或权利”，常用搭配“access to sth.”。 approach:作名词时指“方法、途径”，也可指“接近某人/某物的机会”，侧重抽象概念。 同义替换： approach,entry 例句： Students have free access to the school library. 真题链接：（外研版高中选择性必修第二册阅读理解题） The Internet provides people with easy to information from all over the world. A.access B.wayC.path(答案：A) l0.constantly/'konstantli/adv.持续不断地；经常地 词义辨析： constantly:强调“频率高、持续不断地发生”，中间可能有短暂间隔。 continuously:侧重“没有中断地连续发生”，强调过程的连续性。 同义替换： continually,always 例句： He is constantly checking his phone for messages 真题链接：（外研版高中选择性必修第二册语法填空） The baby cries (constant)when his mother leaves him alone (答案：constantly) 11.switch/swtv.(用开关)改变，转换&switch on(用开关)打开 词义辨析： switch:作动词时可表示“切换、改变”，宾语可以是电器、话题、注意力等；“switch on”特指 “打开（电器）”。 umon:仅表示“打开（电器、水源等）”，使用更口语化，应用范围更广。 同义替换： turn on,change 4 高中外研版 【Unit2】 Improving yourself 例句： Please switch on the lights before you leave the room. 真题链接：（外研版高中选择性必修第二册同步练习） Don't forget to the TV when you finish watching. A.switch off B.switch on C.turn up (答案：A) l2.throw in the towel认输 词义辨析： throw in the towel:源自拳击比赛中扔毛巾表示放弃，口语中使用，强调“因困难而放弃努力”。 give up:通用短语，指“放弃做某事”，可用于任何场合，语气较直接。 同义替换： give up,quit 例句： Although he failed many times,he never threw in the towel. 真题链接：（外研版高中选择性必修第二册完形填空题） Even when facing difficulties,we should not easily.We must keep trying. A.throw in the towel B.take off C.put away (答案：A) 综合演练 综合练习 一、 单项选择 1.The coach's encouraging words the team to win the final match. A.prevented B.motivated C.punished 2.Online shopping most of her free time during weekends. A.takes up B.makes up C.gives up 3.The bright lights outside her attention from the book she was reading. A.attracted B.distracted C.focused 4.Our team's success careful planning and everyone's hard work. 高中外研版 【Unit2】 Improving yourself A.relies on B.lives on C.puts on 5.Don't forget that the project is next Monday. A.schedule B.deadline C.plan 6.His habit of often makes him stay up late to finish homework. A.motivation B.procrastination C.concentration 7.It's notto wear casual clothes to a formal business meeting A.appropriate B.similar C.difficult 8.A friend always remembers your birthday and helps you when you're in trouble A.selfish B.considerate C.careless 9.With the new app,we have easy to learning resources from top universities. A.access B.way C.path 10.The little girl asks her parents for stories before going to bed. A.constantly B.suddenly C.finally 二、根据句意及首字母提示填空 1.The teacher used interesting examples to m students to participate in class discussions. 2.Housework oa large part of her daily life as a stay-at-home mom. 3.The noise from the construction site d me from focusing on my work. 4.We can r on our monitor to organize the class meeting well. 6 高中外研版 【Unit2】 Improving yourself 5.The d for submitting the application form is the end of this month. 6.P is a common problem among students who delay studying until the last minute. 7.Choosing awords is important when writing a formal email to your teacher. 8.It wasc of him to carry the heavy luggage for the elderly woman 9.Free a to the museum is available for children under 12 years old. 10.She c checks her phone to see if there are messages from her family. 三、用所给单词的适当形式填空 1.The team's success(rely)on everyone's cooperation and dedication. 2.The sound of the rain outside (distract)her from finishing the essay on time. 3.Heisa (consider)neighbor who always helps us with gardening. 4.Don't wait until the last minuteremember the (deadline)is approaching. 5.She (constant)complains about the noise from the next door 四、完成句子（每空一词） 1.我们不能总是依赖父母为我们做决定。 We can't always our parents to make decisions for us. 2.手机的消息通知分散了他的学习注意力。 The phone notifications his attention studying. 3.这个项目的截止日期是本周五，所以我们必须加快进度。 The the project is this Friday,so we must speed up. 4.尽管遇到很多困难，他从没有认输。 Although he faced many difficulties,he never 五、语篇填空 阅读下面短文，在空白处填入一个适当的单词或用括号内单词的正确形式填空，使短文通顺、连 贯。 7 高中外研版 【Unit2】 Improving yourself Students often struggle with time management.Many find that social media (occupy/take up) too much of their daily time,which(distract/divert)them from studying.Asaresult,they often delay tasks until the last minute,leading to stress and missed (deadline/due date).To avoid this,it's important to learn to (rely on/depend on)a schedule and set clear goals.A (considerate/thoughtful)plan can help you prioritize tasks and avoid (procrastination/delay). Remember,success (rely on/depend on)not only ability but also good time management. 参考答案 【单项选择 1B2.A3B4.A5.B6B7.A8.B9.A10.A Ⅱ.根据句意及首字母提示填空 1.motivate 2.occupies 3.distracted 4.rely 5.deadline 6.Procrastination 7.appropriate 8.considerate 9.access 10.constantly ⅡI用所给单词的适当形式填空 1.reliess 2.distracted 3.considerate 4.deadline 5.constantly V.完成句子 1.rely on 2.distracted from 3.deadline for 4.threw in the towel V.语篇填空 1.take up 2.distracts 3.deadlines 4rely on 5.thoughtful 6.procrastination 7rely on P