Unit 2 Communication-2025-2026学年八年级下册英语词义辨析及同义替换精讲（北师大版）

8年级下册北师大版 【词义辨析精讲】 Unit 2 Communication 同步精讲 【Unit2】Communication 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 interested/'mtrastd/adj.感兴趣明；教养 value'vaelju:/n.价值：重要性： 的：关心的 correct/ka'rekt/adj.正确的；恰价值观V重视；珍视：估价 missing/'mIs/ad.丢失的：失当的v.纠正：批改 private/'praIvat/adj.私人的；私 踪的；缺少的 shy小a/adj.害羞的：腼腆的密的；私有的 discover/dr'skAva(r)/v.发现；发胆怯的 against月'genst//prep.反对：违 觉：了解 treat/tri:t/v.对待：治疗；款待反：靠着；逆 gentleman/'d3 entlman/n.绅士；n.款待；乐事 such as/sAt[aez/短语例如：像 先生：有教养的人 increase rapidly/m'kis…这样 knowledge/'nDlId3yn.知识：学rapidli/短语迅速增长；快速lead to /li:dtu:/短语导致；通向 问：认识 增加 wherever /wear'eva(r)/adv. trainer/'tremna(r)/n.训练员；教monthly/mnθli/adj.每月的：conj.无论哪里；无论什么地方 练：运动鞋 每月一次的adv.每月；每月一 culture'klt∫r)/n.文化：文次n.月刊 词义辨析及同义替换 l.interested/'mtrastid/adj.感兴趣的；关心的 词义辨析： interested:表示“对…感兴趣的”，主语通常是人，常用搭配be interested in。 interesting:表示“有趣的”，主语通常是事物或人（指其具有使人感兴趣的特质）。 同义替换： curious,engaged 例句： She is interested in learning traditional Chinese culture. 真题链接：（北师大版八年级下同步练习） The story is so that all the students are in it. A.interested;interesting 8年级下册北师大版 【词义辨析精讲】 Unit 2 Communication B.interesting;interested C.interesting;interesting (答案：B) 2.discover/d'skAva)/V.发现：发觉；了解 词义辨析： discover:侧重“首次发现原本存在但未被人知晓的事物”，如发现新地点、科学现象等。 invent::侧重“发明原本不存在的新事物”，如发明工具、技术等。 同义替换： find,uncover 例句： Columbus discovered America in 1492 真题链接：（北师大版八年级下单元测试） Edison the light bulb,and Newton the law of gravity A.discovered;invented B.invented;discovered C.found:invented (答案：B) 3.correct /ka'rekt/adj.正确的：恰当的v.纠正；批改 词义辨析： correct(adj.):强调“符合事实、标准或规则的正确性”，反义词incorrect。 igt:含义更宽泛，可指“正确的、合适的”，口语中使用更频繁。 同义替换： (adj.):right,accurate;(v.):fix,revise 例句： Please correct the mistakes in your homework. 真题链接：（北师大版八年级下同步练习） -Is this answer ？-Yes,it's than the first one A.correct;more correct B.right;more right C.correct;more accurate (答案：C) 4.reat /tri:t/v.对待：治疗；款待n.款待；乐事 词义辨析： trat(v):作“对待”时，侧重态度和方式：作“款待”时，指请人吃饭、娱乐等。 cure(v.):侧重“治愈疾病”，宾语多为疾病或病人。 2 8年级下册北师大版 【词义辨析精讲】 Unit 2 Communication 同义替换： (v.):handle,cure,entertain;(n.):entertainment,feast 例句： The doctor treated his illness with special medicine. 真题链接：（北师大版八年级下期中测试） My parents often me to ice cream on weekends as a reward. A.treat B.cure C.handle (答案：A) 5.value /'vaelju:/n.价值；重要性；价值观V.重视：珍视；估价 词义辨析： vue(n.):可指“物质价值”或“抽象价值（如重要性）”；(v.)侧重“主观上重视”。 price(n.):仅指“价格”，强调商品的货币价值。 同义替换： (n.)worth,importance;(v.):treasure,cherish 例句： We should value the time we spend with our families. 真题链接：（北师大版八年级下单元测试） The of this painting is very high,but its real lies in its history. A.price;value B.value;price C.worth;value (答案：A) 6.private/'prarvat/adj.私人的：私密的：私有的 词义辨析： private:强调“属于个人的、不公开的”，反义词public. personal:侧重“个人的、私人的”，与“集体、公共”相对，如personal opinion。 同义替换： personal,individual 例句： It's a private garden,so we can't enter without permission. 真题链接：（北师大版八年级下同步练习） Please don't readmy letters.They are for me only. A.private B.public 8年级下册北师大版 【词义辨析精讲】 Unit 2 Communication C.personal (答案：A) 7.against/A'genst/prep.反对；违反：靠着：逆 词义辨析： against:表示“反对”时，后接名词或动名词：表示“靠着”时，指物理接触。 opposite:作介词时表示“在…对面”，作形容词时表示“相反的”。 同义替换： opposed to,anti- 例句： He is against smoking in public places. 真题链接：（北师大版八年级下期末复习题） The girl stood the wall,waiting for her mother A.against B.opposite C.across (答案：A) 8.such as./sAt∫ez/短语例如；像…这样 词义辨析： uchs:用于列举同类人或事物中的“部分例子”，后接名词或动名词，不能列举完整清单。 for example:用于举例说明，可独立成句，后常接句子，也可接名词。 同义替换： like,for instance 例句： I like fruits such as apples,bananas and oranges. 真题链接：（北师大版八年级下同步练习） Many students have hobbies, _reading,painting and playing sports. A.such as B.for example C.as well (答案：A) 9.lead to /li:dtu:/短语导致：通向 词义辨析： lead to: 侧重“造成某种结果或影响”，主语可以是事物或行为，o后接名词或动名词。 result in:与lead to同义，强调“结果的产生”，语气更正式。 同义替换： result in,cause 8年级下册北师大版 【词义辨析精讲】 Unit 2 Communication 例句： Lack of exercise can lead to health problems 真题链接：（北师大版八年级下期中测试） Too much screen time may poor eyesight. A.lead to B.result from C.come from (答案：A) l0.wherever /wear'evar)/adv.&conj.无论哪里；无论什么地方 词义辨析： wherever: 引导让步状语从句，意为“无论哪里”，相当于no matter where。 where: 引导地点状语从句或宾语从句，指具体地点。 同义替换： no matter where,everywhere 例句： Wherever you go,I will follow you. 真题链接：（北师大版八年级下单元测试） you are,you should always remember your family. A.Wherever B.Where C.Whenever (答案：A) 11.monthly/mnθli/adj.每月的：每月一次的ad.每月；每月一次n.月刊 词义辨析： monthly(adj.):强调“每月的、按月的”，如monthly meeting（月度会议)。 monthly(n.):指“月刊”，区别于weekly(周刊)、daily(日报)。 同义替换： (adj./adv.):every month,per month 例句： She reads a monthly magazine to learn about fashion. 真题链接：（北师大版八年级下同步练习） Our school holds a exam to check students'progress. A.monthly B.weekly C.daily (答案：A) 5 8年级下册北师大版 【词义辨析精讲】 Unit 2 Communication 12.culture/'klta)/n.文化：文明：教养 词义辨析： culture:侧重“人类社会的文化总和”，包括艺术、信仰、习俗等，不可数名词。 civilization: 侧重“人类文明的发展阶段”，如ancient civilization（古代文明)。 同义替换： custom,tradition 例句： Chinese culture has a history of thousands of years. 真题链接：（北师大版八年级下期末测试） We should learn from different to understand the world better. A.cultures B.civilizations C.customs (答案：A) 综合演练 综合练习 一、 单项选择 1.The documentary about wildlife is so that many viewers are in it. A.interested;interesting B.interesting;interested C.interesting;interesting 2.Alexander Fleming penicillin in 1928,and the Wright brothers the airplane in 1903 A.discovered;invented B.invented;discovered C.found;invented 3.-Is this solution ?-Yes,it's more than the previous one A.correct;more correct B.right;more right C.correct:more accurate 4.My aunt often us to dinner at her house on weekends. A.treats B.cures C.handles 6 8年级下册北师大版 【词义辨析精讲】 Unit 2 Communication 5.The of the ancient coin is high,but its cultural is priceless. A.price;value B.value;price C.worth:value 6.She stood the door,listening to the conversation inside. A.against B.opposite C.across 7.Many students enjoy outdoor activities, hiking,camping and cycling. A.such as B.for example C.as well 8.Staying up late for a long time maysleep problems and poor health A.lead to B.result from C.come from 9 you travel,remember to respect local customs and traditions. A.Wherever B.Where C.Whenever 10.Our school holds a sports meeting to encourage students to exercise. A.monthly B.weekly C.daily 二、根据句意及首字母提示填空 1.Please don't read my pdiary,it contains my personal thoughts. 2.Columbus d America in 1492,which changed world history. 3.The teacher asked us to c the spelling mistakes in our compositions. 4.Eating too much sugar can 1 to tooth decay and other health issues. 5.My grandparents vfamily time more than anything else. 6.We need to collect m data to analyze the sales trend of this product. 8年级下册北师大版 【词义辨析精讲】 Unit 2 Communication 三、用所给单词的适当形式填空 1.The little girl is (interest)in space and wants to be an astronaut 2.Edison was a great inventor who (invent)many useful tools. 3.Please make sure your answer is (correctly)before submitting your paper. 4.The doctor (treat)his injury carefully and advised him to rest. 5.We should (value)the chance to learn from experienced teachers. 6.The library is a public place,so please keep your voice(private). 四、完成句子（每空一词) 1.他对中国传统文化很感兴趣，经常阅读相关书籍。 He is traditional Chinese culture and often reads related books. 2.这个新发现将有助于科学家更好地理解这种现象。 This new will help scientists understand the phenomenon better 3.她花了一个小时纠正作文中的语法错误。 She spent an hour the grammar mistakes in her composition. 4.多吃新鲜水果和蔬菜可以通向更健康的生活方式。 Eating more fresh fruits and vegetables can a healthier lifestyle. 5.无论你遇到什么困难，都不要放弃你的梦想。 you face difficulties,never give up your dream. 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 8年级下册北师大版 【词义辨析精讲】 Unit 2 Communication Sciencehas changed our lives in many ways.For example,Columbus (discover/invent)Amer- ica,which openedup new trade routes.Later,Edison (discover/invent)the light bulb,bringing light to people's lives.These achievements are (correct/right)considered milestones in his- tory. Today,technology continuesto influence us.Many students use apps like Douyin, (such as/for example)to learn English through short videos.However,spending too much time on screens can (lead to/result from)eye strain.(Wherever/Where)we are,we should balance technol- ogy use and physical activity. Scientists (value/price)curiosity and hard work.They often say,"The most (interest- ing/interested)discoveries come from asking why'."By staying curious,we can all contribute to future innovations. 参考答案 I单项选择 1.B2.A 3.C4.A5.A6.A7.A8.A9.A10.A 工根据句意及首字母提示填空 1.private 2.discovered 3.correct 4.lead 5.value 6.monthly ⅡI.用所给单词的适当形式填空 1.interested 2.invented 3.correct 4.treated 5.value 6.private V.完成句子 1.interested in 2.discovery 3.correcting 4.lead to 5.Wherever V.语篇填空 1.discovered 2.invented 3.correctly 4.such as 5.lead to 6.Wherever 7.value 8.inter- esting 9