Unit 2 Exploring English三-2025-2026学年高中英语词义辨析及同义替换精讲必修第一册（外研版）

高中必修第一册外研版 【核心词汇精讲】 Unit 2 Exploring English 词汇精讲 【Unit2】Exploring English 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 frog /frpg/n.蛙 actually/'aektfuali/adv.事实上，error/'era(r)/n.错误，谬误 throat./rat/n.喉咙，咽喉 实际上 intend/m'tend/v.计划，打算 have a frog in one's throat(尤因 downstairs/,dam'steaz//adv.在informal/m'fb:ml/adj.(书写或 喉咙痛)说话困难 楼下 言谈)非正式的 downtown/daom'taon/adj.在城wicked/'wkId/adj.缺德的，邪recognise./'rekagnaIz/V.认识，辨 镇中心区的，在闹市区的 恶的：很棒的，极好的 认出 boot /bu:t/n.靴子 odd/Dd/adj.奇特的，古怪的 base /beis/v.以…为基础 entrance/'entrans/n.大门（口），negative/'negatrv/adj.消极的，aware /a'wea/adj.意识到的， 入口（处） 负面的 明白的 section/'sekn/n.区，区域 positive/'oDZatIV/adj.好的，积be aware of意识到，察觉到 exit/'ekst/n.出▣ 极的 词义辨析及同义替换 1.negative/'negatrv/ad.消极的，负面的 词义辨析： negative:侧重形容态度、言论或影响“消极的、负面的”，反义词是positive。 passive:强调“被动的、不主动的”，侧重行动上缺乏积极性。 同义替换： passive,pessimistic 例句： Don't have a negative attitude towards learning new things. 真题链接：（外研版高中必修第一册同步练习） Herwords made everyone in the team feel down A.positive B.negative C.active 高中必修第一册外研版 【核心词汇精讲】 Unit 2 Exploring English (答案：B) 2.positive/'pDzatrv/adj.好的，积极的 词义辨析： positive:指态度、影响等“积极的、正面的”，常与negative对比。 active:侧重“主动的、活跃的”，强调行动上的积极性。 同义替换： optimistic,active 例句： He always has a positive view on life,even when facing difficulties 真题链接：（外研版高中必修第一册单元测试） Teachers often encourage students to keep amindset A.negative B.positive C.strange (答案：B) 3.actually/ekt fuali//adv.事实上，实际上 词义辨析： actually:用于补充说明或纠正之前的说法，强调“真实情况”。 exactly:侧重“精确地、确切地”，表示完全符合事实。 同义替换： in fact,as a matter of fact 例句： I thought the task was easy,but actually it took me two hours. 真题链接：（外研版高中必修第一册同步练习） -Is this your first time in Beijing? -No._I came here with my parents last year. A.Actually B.Exactly C.Suddenly (答案：A) 4.intend/n'tend/v.计划，打算 词义辨析： intend:指“心里计划或打算做某事”，常与todo搭配。 plan:侧重“为某事制定详细计划”，可接名词或不定式。 同义替换： plan,mean 高中必修第一册外研版 【核心词汇精讲】 Unit 2 Exploring English 例句： She intends to study abroad after finishing high school. 真题链接：（外研版高中必修第一册单元测试） What do youto do during the summer vacation? A.intend B.decide C.refuse (答案：A) 5.recognise/'rekagnaz/V.认识，辨认出 词义辨析： recognise:指“根据记忆认出某人或某物”，不强调过程。 kow:侧重“熟悉、了解”，指长期的认知状态。 同义替换： identify,know 例句： I recognised my old friend in the crowd even though we hadn't met for years. 真题链接：（外研版高中必修第一册同步练习） Can youthe singer from this photo? A.recognise B.forget C.ignore (答案：A) 6.base /beis/v.以…为基础 词义辨析： base...on...: 强调“将某事建立在某个基础上”，主语通常是人。 be based on:表示“某物以…为基础”，主语通常是事物。 同义替换： found on,ground on 例句： The novel is based on a true story that happened in the 1990s. 真题链接：（外研版高中必修第一册单元测试） Our conclusion should befacts,not imagination A.based on B.interested in C.afraid of (答案：A) 3 高中必修第一册外研版 【核心词汇精讲】 Unit 2 Exploring English 7.aware/Awea()/adj.意识到的，明白的 词义辨析： aware:强调“通过感官或思考意识到某事”，常用搭配be aware of。. conscious: 侧重“内心清楚的、有意识的”，可指生理或心理上的清醒。 同义替换： conscious,mindful 例句： We should be aware of the importance of protecting the environment. 真题链接：（外研版高中必修第一册同步练习） Are you-the risks of this adventure? A.aware of B.proud of C.tired of (答案：A) 8.wicked/wikd/adj.缺德的，邪恶的；很棒的，极好的 词义辨析： wicked(邪恶的)：指行为“不道德的、邪恶的”，反义词是good。 wicked(极好的)：口语中表示“很棒的、精彩的”，相当于excellent。 bad:普通用词，泛指“坏的、不好的”，语义较宽泛。 同义替换： (邪恶的)→evil,bad (极好的)→excellent,awesome 例句： (1)The wicked witch in the story tried to harm the princess. (2)That's a wicked idea for the party! 真题链接：（外研版高中必修第一册同步练习） Thestepmother treated her badly in the fairy tale A.wicked B.kind C.helpful (答案：A) 9.odd/od/adj.奇特的，古怪的 词义辨析： odd:指“不寻常的、古怪的”，强调与常态不同，略带贬义。 strange::侧重“陌生的、奇怪的”，可指不熟悉或难以理解的事物。 同义替换： strange,peculiar 高中必修第一册外研版 【核心词汇精讲】 Unit 2 Exploring English 例句： He has an odd habit of talking to himself while walking 真题链接：（外研版高中必修第一册单元测试） There's something__about that old house-no one has lived there for years. A.odd B.normal C.common (答案：A) 10.informal/in'fml/adj.(书写或言谈)非正式的 词义辨析： informal:指语言、场合等“非正式的、随意的”，反义词是formal。 casual: 侧重“随意的、漫不经心的”，可形容衣着或态度。 同义替换： casual,relaxed 例句： We usually use informal language when chatting with friends 真题链接：（外研版高中必修第一册同步练习） This is an-meeting,so you don't need to wear a suit. A.informal B.formal C.serious (答案：A) 11.error/'er(r)/n.错误，谬误 词义辨析： eror:指“观点、计算等中的错误”，较正式，可指小错误或严重失误。 mistake:普通用词，泛指“不小心犯的错误”，口语中常用。 同义替换： mistake,fault 例句： The report contains several errors in the data section 真题链接：（外研版高中必修第一册单元测试） You made a(n)_in the math problem.Let me show you the correct way. A.error B.success C.decision (答案：A) 5 高中必修第一册外研版 【核心词汇精讲】 Unit 2 Exploring English l2.have a frog in one's throat(尤因喉咙痛)说话困难 词义辨析： have a frog in one's throat:特指“因喉咙不适导致说话沙哑或困难”。 lose one's voice:指“失声、说不出话”，程度比前者更严重。 同义替换： have a hoarse throat,speak with difficulty 例句： She had a frog in her throat after catching a cold,so she couldn't give the speech clearly. 真题链接：（外研版高中必修第一册同步练习） -Why does Tom speak so quietly today? -He has a frog in his because of the bad cold. A.throat B.hand C.eye (答案：A) 综合演练 综合练习 一、 单项选择 1.Her_words about the project made everyone lose confidence A.positive B.negative C.active 2.Teachers often tell students to keep a_attitude when facing challenges. A.negative B.positive C.strange 3.-Do you think the movie is interesting? -No._,I fell asleep halfway through it. A.Actually B.Exactly C.Suddenly 4.What do you to do after graduation?I plan to study medicine. A.intend 6 高中必修第一册外研版 【核心词汇精讲】 Unit 2 Exploring English B.decide C.refuse 5.He couldn't his old teacher in the crowd because she had changed a lot. A.recognise B.forget C.ignore 6.This novel isa true story that happened in a small village. A.based on B.interested in C.afraid of 7.Are youof the danger of swimming in deep rivers alone? A.aware of B.proud of C.tired of 8.Thequeen in the story tried to control the whole kingdom by magic. A.wicked B.kind C.helpful 9.There's something_about his behavior today-he usually talks a lot but now he's silent. A.odd B.normal C.common 10.We uselanguage when texting friends,but formal language in business emails A.informal B.formal C.serious 二、根据句意及汉语提示完成单词 l.Don’thave a_(消极的)attitude towards learning new skills. 2.She has an_(正式的)meeting with the manager tomorrow morning, 3.The report contains several_()in the data analysis section. 4.He()to travel to Japan during the summer holiday. 5.I_(辨认出)my childhood friend at the airport yesterday > 高中必修第一册外研版 【核心词汇精讲】 Unit 2 Exploring English 6.She had a frog in her_(喉咙)and couldn’t speak loudly. 三、用所给单词的适当形式填空 1.He always has a(positively)view on life,even in difficult times. 2.(actual),I have never been to the Great Wall before. 3.The movie is_(base)on a novel written by a famous author. 4.She is(awareness)of the importance of saving water. 5.We should avoid making the same _(error)in our homework 四、完成句子（每空一词) 1.这个结论应该以事实为基础，而不是猜测。 Our conclusion should be facts,not guesses. 2.他计划高中毕业后出国留学。 Hestudy abroad after finishing high school. 3.因为感冒，她说话困难，所以取消了演讲。 She_a frog in her throat because of the cold,so she canceled the speech. 4.说实话，我不喜欢他消极的生活态度。 I don't like his negative attitude towards life. 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。 Tom used to have a(negative)attitude towards studying.He thought English was boring and (actual)skipped many classes.One day,his teacher talked to him and said,"I (intend)to help you improve,but you need to change first."Tom felt ashamed and decided to try.He started reading English stories every day,which were-(base)on real life.Slowly,he could(recognise)more words and even wrote short stories himself.Now,Tom is no longer(informal)in class;he actively answers questions andhelps classmates.His teacher says,"It's never too late to change-(exact)!" 参考答案 8 高中必修第一册外研版 【核心词汇精讲】 Unit 2 Exploring English I.单项选择 1.B2B 3.A4.A5.A6.A7.A8.A9.A10.A Ⅱ.根据句意及汉语提示完成单词 1.negative 2.formal 3.errors 4.intends 5recognised 6.throat I.用所给单词的适当形式填空 1.positive 2.Actually 3.based 4.aware 5.errors V.完成句子 1.based on 2.intends to 3.had 4.As a matter of fact V语篇填空 1.negative 2.actually 3.intend 4.based 5.recognise 6.inactive 7.exactly