Unit 3 Rain and Shine-2025-2026学年七年级下册英语词义辨析及同义替换精讲（北师大版）

7年级下册北师大版 【同步精讲】 Unit3词义辨析及同义替换精讲 同步精讲 【Unit3】Rain and Shine 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 shine/小am/y.(shone,.shone)发start/sta:t/v.开始：启动；发动plan /plaen/w.计划：打算；设计 光：照耀；擦亮n.光；光泽 n.开始：开端：起点 n.计划：方案 temperature"temprat(m.温bright /brait/adj.明亮的；聪明sudden/sadn/adj.突然的：意外 度：气温 的；鲜艳的：乐观的 的 degree/d'gri:/n.度：度数：学sunglasses/'sAngla:sIzn.太阳outdoor/'autdb:(r)/adj.户外的： 位；程度 镜：墨镜 露天的 international /,mt'nenl/adj.trainer/'trema(r)/m.训练员；教able/'ebl/adj.能够；有能力的 国际的：国际间的 练；运动鞋 be able to /bi'erbl tu:/短语能够： freezing/'fri:z则/adj.极冷的；冰not only..but also.nDt可以 冻的V.结冰；冻结(freeze的'eunli..bAt':lsa/连词短语不better/beta)/adj.更好的adv. 现在分词) 仅…而且… 更好地n.更好的人或事物 whatever /wDt'eva(r)pron.无论behave /br'heIv/w.表现；举止；peaceful/'pi:sf/adj.和平的；平 什么；不管什么adj.不管什么行为端正 静的；安宁的 样的 avoid /a'voId/v.避免：避开：逃relax /rI'laeks/v.放松；休息；松 indoor/mdb:)/adj.室内的：户避 懈 内的 accident/'aeksidont/n.事故；意sunshine/'sAnfaIn/m.阳光：日光 hold /hauld/v.held,held拿着；外事件 lucky/'1 ki/adj..幸运的：侥幸的 握住；举办；容纳n.握住；控change∫emd3w.改变；变化；calendar/'kaelmda(r)n.日历；日 制 交换n.变化；零钱 程表 词义辨析及同义替换 1.start/tatw.开始：启动：发动n.开始：开端：起点 词义辨析： stat:表示“开始”，动作性较强，可用于具体或抽象事物，如start a game（开始游戏)、start a career(开启职业生涯)，也可指“启动机器”等。 begin:与stat含义相近，但更正式，多用于书面语，如begin a speech(开始演讲)、begin to learn (开始学习)。 1 7年级下册北师大版 【同步精讲】 Unit3词义辨析及同义替换精讲 同义替换： begin,initiate 例句： The party will start at7p.m.(派对将于晚上7点开始。) 真题链接：（北师大版七年级下册同步练习） Our English class at 8:00 every morning A.starts B.opens C.begins(答案：A) 2.change /tfeind3w.改变；变化；交换n.变化：零钱 词义辨析： change(v.):侧重“使事物发生本质或形态上的改变”，如change the plan(改变计划)：也可指 “交换”，如change seats(交换座位)。 alter:语气较弱，指“局部修改”，不影响整体，如alter the dress(修改裙子)。 同义替换： v.→alter,.vary n.→variation,coin 例句： The weather changes quickly in spring.(春天天气变化很快。) 真题链接：（北师大版七年级下册单元测试） Her hair style a lot since last year. A.changes B.changed C.has changed (答案：C) 3.plan /plaen/w.计划：打算；设计n.计划；方案 词义辨析： plan(n.):指“预先制定的详细方案”，如a study plan(学习计划)，强调步骤性。 project:侧重“大型项目或工程计划”，如a building project(建筑项目)。 同义替换： n.→scheme,program v.→intend,arrange 例句： We plan to visit the museum next Sunday..(我们计划下周日参观博物馆。) 真题链接：（北师大版七年级下册期中测试） What's your for the summer holiday? A.plan B.project C.idea(答案：A) 4.able/'ebl/adj.能够：有能力的&be able to /bi'erbl tu:/短语能够；可以 词义辨析： be able to:强调通过努力获得的能力，可用于各种时态，如will be able to(将能够)、have been 2 7年级下册北师大版 【同步精讲】 Unit3词义辨析及同义替换精讲 able to(已经能够)。 cam:情态动词，表“天生具备的能力”，只能用于现在时和过去时(could)。 同义替换： capable,competent 例句： She is able to speak three languages.(她会说三种语言。) 真题链接：（北师大版七年级下册同步练习） With practice,yousolve this math problem easily. A.can B.be able to C.will be able to (答案：C) 5.better/beta(r)/adj.更好的adv.更好地n.更好的人或事物 词义辨析： better(adj.):good的比较级，指“质量、程度等更优”，如a better idea(更好的主意)。 superior:正式用词，指“在品质、等级上优于”，后接to,如superior to others(优于他人)。 同义替换： superior,improved 例句： This book is better than that one.(这本书比那本好。) 真题链接：（北师大版七年级下册期末测试） Exercise makes us and healthier. A.better B.best C.good (答案：A) 6.relax /rI'laeks/v.放松；休息；松懈 词义辨析： relax:侧重“从紧张状态中放松”，如relax after work(下班后放松)。 rest:指“通过休息恢复体力”，如rest for an hour(休息一小时)。 同义替换： unwind,rest 例句： Listening to music helps me relax.(听音乐帮我放松。) 真题链接：（北师大版七年级下册单元练习） You need to your mind before the exam. A.relax B.rest C.sleep(答案：A) 7.bright /brait/adj.明亮的：聪明的：鲜艳的；乐观的 词义辨析： bright(“明亮的”)：指光线强，如a bright room(明亮的房间)：也可指“颜色鲜艳”，如bright 3 7年级下册北师大版 【同步精讲】 Unit3词义辨析及同义替换精讲 red(鲜红色)。 shiny:侧重“反光的、发亮的”，如shiny shoes(发亮的鞋子)。 同义替换： “明亮的”→shiny,,brilliant “聪明的”→clever,.smart 例句： The sun is bright today..(今天阳光明媚。) 真题链接：（北师大版七年级下册同步练习） Her eyes are and beautiful A.bright B.shiny C.clever (答案：A) 8.lucky/'lki/adj.幸运的；侥幸的 词义辨析： lucky:指“偶然获得好运”，如a lucky day(幸运的一天)。 fortunate:正式用词，指“因机会或条件有利而幸运”，如fortunate to win(幸运地获胜)。 同义替换： fortunate,blessed 例句： He is lucky to pass the exam.(他幸运地通过了考试。) 真题链接：（北师大版七年级下册单元测试） It's of you to find such a good seat. A.lucky B.fortunate C.happy (答案：A) 9.sudden/'sAdn/adj.突然的：意外的 词义辨析： sudden:强调“事情发生迅速且出乎意料”，如a sudden rain（突如其来的雨)。 abrupt:语气更强，指“陡峭的、粗鲁的”，也可表“突然的”，如an abrupt stop(急刹车)。 同义替换： abrupt,unexpected 例句： There was a sudden noise outside.(外面突然有响声。) 真题链接：（北师大版七年级下册期中测试） The storm caused many problems. A.sudden B.quick C.fast(答案：A) 10.hold /hauld/w.(held,held拿着：握住：举办；容纳n.握住；控制 词义辨析： hold(“举办”)：指“组织活动”，如hold a party(举办派对)。 have:口语中可替代hold,如have a meeting(开会)，但hold更正式。 7年级下册北师大版 【同步精讲】 Unit3词义辨析及同义替换精讲 同义替换： “拿着”→grasp,CaIy “举办”→organize,host 例句： Our school will hold a sports meeting next month.(我们学校下月将举办运动会。) 真题链接：（北师大版七年级下册同步练习） Can you this bag for me? A.hold B.have C.take (答案：A) 11.avoid/归'voId/v.避免：避开：逃避 词义辨析： avoid:指“有意识地避开不愉快的事”，后接doing,如avoid making mistakes(避免犯错)。 escape:侧重“从危险或限制中逃脱”，如escape from the room(逃离房间)。 同义替换： escape,shun 例句： You should avoid eating too much sugar.(你应该避免吃太多糖。) 真题链接：（北师大版七年级下册单元测试） He tried to _answering my question. A.avoid B.escape C.miss(答案：A) 12.accident/'aeksidant/h.事故：意外事件 词义辨析： accident:指“意外事故”，如a car accident(车祸)，强调“非故意性”。 incident:指“小事件或事变”，如a traffic incident(交通小事故)，也可指“政治事件”。 同义替换： mishap,incident 例句： He was hurt in a bike accident.(他在自行车事故中受伤了。) 真题链接：（北师大版七年级下册期末测试） An happened on the street this morning. A.accident B.incident C.event (答案：A) 综合演练 7年级下册北师大版 【同步精讲】 Unit3词义辨析及同义替换精讲 综合练习 一、 单项选择 1.The meeting will Lat 3 p.m.sharp,so please arrive on time. A.start B.begin C.open 2.My brother has a lot since he went to college-he's much more independent now. A.changed B.altered C.varied 3.Do you have a for the coming weekend?I want to invite you to a picnic A.plan B.project C.scheme 4.With hard work,you achieve your dream of becoming a scientist A.can B.be able to C.will be able to 5.This new smartphone is than the old one in both performance and battery life. A.better B.superior C.improved 6.After a long day of work,she likes to by listening to soft music. A.relax B.rest C.sleep 7.The sunshine lit up the entire room,making it warm and cheerful. A.bright B.shiny C.brilliant 8.It was of him to find a parking spot right in front of the cinema. A.lucky B.fortunate C.happy 6 7年级下册北师大版 【同步精讲】 Unit3词义辨析及同义替换精讲 9.A fire broke out in the kitchen,but everyone escaped safely. A.sudden B.abrupt C.quick 10.Could you please this box for me while I open the door? A.hold B.grasp C.carry 二、根据句意及首字母提示填空 1.We need to s our journey early tomorrow morning to avoid traffic jams. 2.The weather in this city c a lot in spring-one moment sunny,the next rainy. 3.What's your p for learning English this term?Do you have specific goals? 4.She is a to play the piano very well after years of practice. 5.Eating more vegetables and less meat will make you hthan before. 6.Don't be too nervous before exams-try to r and take a deep breath 7.The stars were b in the dark sky last night,looking like diamonds. 8.I found a l coin on the street and used it to buy a piece of candy 9.There was a s knock at the door,which surprised all of us. 10.Our school will h a charity sale next month to raise money for poor children. 三、用所给单词的适当形式填空 1.They (plan)to visit their grandparents next weekend,but they might change the date. 2.My father (be able to)speak three foreign languages when he was young 3.This story is much (good)than the one I read last week. 4.She always tries her best to avoid (make)mistakes in her homework. 5.After the accident,he (change)a lot-he's more careful now. 6.We need」 (relax)our minds after studying for a long time. > 7年级下册北师大版 【同步精讲】 Unit3词义辨析及同义替换精讲 7.The little girl has a (bright)smile that can warm everyone's heart. 8.He is (lucky)enough to get the last ticket for the concert. 9.The (sudden)news made her feel sad for the whole day. 10.Please hold the book (careful)because the pages are easy to fall off. 四、完成句子 1.我们计划下周一开始这个新项目。(plan) We the new project next Monday. 2.经过两个月的训练，他现在能够跑得更快了。(be able to) After two months of training,he run faster now. 3.为了避免迟到，她每天早上七点就出发。(avoid) To late,she leaves at 7 a.m.every morning. 4.这场突如其来的大雨让我们的野餐泡汤了。(sudden) The heavy rain ruined our picnic. 5.她比班上其他同学更擅长画画。better) She is drawing than other students in her class. 6.请帮我拿着这个包，我需要腾出手来拿钥匙。hold) Please the bag for me-I need to free my hands to get the keys. 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。 8 7年级下册北师大版 【同步精讲】 Unit3词义辨析及同义替换精讲 Last Sunday,my friends and I decided to go hiking.We (1) (plan)to start at 8 a.m.,so I set my alarm for 6:30.However,I overslept and woke up at 7:45!I quickly got dressed and ran outside. where my friends were already waiting..“SorryI'm late!”Isaid.“Don't worry,,”Tom smiled. "We can still (2)(start)now-it's just a 30-minute delay." During the hike,the weather(3)(change)unexpectedly.The sun was shining brightly at first, but then a(4)(sudden)wind came,and dark clouds appeared.We had to stop and put on our raincoats..“I didn't expect it to rain,”Lily said.“Me neither,.”I replied.“But at least we're (5) (able)to continue-some people might have gone back." After walking for another hour,we reached the top of the mountain.The view was amazing!We took many photos and ate snacks."This is much(6)(good)than staying at home,"Peter said. Everyone agreed.On the way down,we talked about our weekend(7)(plan)and laughed a lot. I felt so(8) (lucky)to have such great friends-even a late start and unexpected rain couldn't ruin our day.We decided to (9)(hold)another hiking trip next month,and this time,I promise not to oversleep! 参考答案 I.单项选择 1.A2.A3.A4.C5.A6.A7.A8.A9.A10.A Ⅱ.根据句意及首字母提示填空 1.start 2.changes 3.plan 4.able 5.healthier 6relax 7.bright 8.lucky 9.sudden 10.hold ⅡL.用所给单词的适当形式填空 1.plan 2.was able to 3.better 4.making 5.has changed 6.to relax 7.bright 8.lucky 9.sudden 10.carefully V.完成句子 1.plan to start 2.is able to 3.avoid being 4.sudden 5.better at 6.hold V.语篇填空 1.planned 2.start 3.changed 4.sudden 5.able 6.better 7.plans 8.lucky 9hold 9