Unit 9 Learning Lesson 1-2025-2026学年高中英语词义辨析及同义替换精讲必修第三册（北师大版）

高中英语北师大版 【必修3】 Unit 9:Learning Lesson 1 核心词汇 【Unit 9】Learning Lesson1 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 reflect /rI'flekt/vi.&t.仔细思的 的 考：表达（意见）：反映 flexible/fleksabl/adj.灵活的，be based on..以…为根据 reflect on思考 可变通的 dinosaur/dan3s:/n.恐龙 argue/'aqju:/vi.争论，争吵 end up doing最后；最终 exist1g'zIst/vi.存在；实际上有 argue with争吵 promote/pr3'mat/t.促进，增data/'derta/n.资料：数据 assume/A'sju:m/vt.认为：假定，进 ignore1g'n:/t.忽视；置之不 假设 work out弄懂某事物：计算出理 automatic./,3:ta'maetik/adj.自动in short总而言之；简单地说 impression/m'prefn/n.印象：感 的：无意识的 attempt to尝试 想 iner/'na/adj.内部的 at the heart of..在…的中心 *outer/'ata/adj.外部的，外面unlikely/n'larkli/adj.不大可能 词义辨析及同义替换 1. argue/'aqju:/vi.争论，争吵 词义辨析： argue:侧重因观点不同而“争论、辩论”，常与with(sb.)、about(sth.)搭配，如argue with sb. about sth. quarrel:指因小事“争吵、吵架”，语气比argue更强，侧重情绪上的冲突，常用搭配quarrel with sb.over sth. 同义替换： debate,quarrel 例句： They argued with each other about the best way to solve the problem. 2.assume/A'sjum/t.认为；假定，假设 词义辨析： 1 高中英语北师大版 【必修3】 Unit 9:Learning Lesson 1 assume: 指在缺乏证据的情况下“假定、假设”，主观意味较强，后可接that从句。 suppose:语气较委婉，指“推测、猜想”，常表示一种不太确定的假设，口语中常用suppose so/not。 同义替换： suppose,presume 例句： We assumed that he would agree with the plan,but he refused. 3.promote /pra3'mat/t.促进，增进 词义辨析： promote:侧重“促进、推动”事物发展或进步，如促进健康、友谊、经济等。 improve:强调“改善、提高”事物的质量、水平或状况，如improve skills/health。 同义替换： encourage,boost 例句： Regular exercise can promote physical and mental health. 4.ignore/1g'n/t.忽视：置之不理 词义辨析： ignore:指故意“不理睬、忽视”某人或某事，装作没看见或没听见。 neglect:指因粗心或不重视而“疏忽、忽略”应做的事，如neglect one's duty(失职)。 同义替换： disregard,overlook 例句： He ignored the teacher's advice and continued to do it his own way. 5.exist/Ig'zIst/vi.存在：实际上有 词义辨析： exist:指事物“客观存在”，不依赖于人的意识，主语多为具体事物或抽象概念。 Iive:作“生存、活着”讲时，主语通常是人或动物，强调生命状态。 同义替换： be,live 例句： Many species of animals that once existed on Earth have now disappeared. 6.attempt to尝试 词义辨析： attempt to:正式用语，侧重“努力去做某事”，但不一定成功，后接动词原形。 tyto:普通用语，指“尽力做某事”，强调过程，不强调结果，后接动词原形。 高中英语北师大版 【必修3】 Unit 9:Learning Lesson 1 同义替换： try to,make an effort to 例句： They attempted to climb the mountain,but failed due to bad weather. 7.work out弄懂某事物：计算出 词义辨析： work out:既可指“计算出”数学问题、答案等，也可指“弄懂、解决”难题或计划。 figure out:侧重“通过思考弄明白、搞清楚”某事，如figure out the truth(弄清楚真相)。 同义替换： figure out,solve 例句： Can you help me work out this math problem?It's too difficult for me. 8.be based on..以…为根据 词义辨析： be based on:指“以…为基础、根据”，强调事物的来源或依据，主语通常是观点、理论、故 事等。 depend on:侧重“依赖、依靠”某人或某物，或“取决于”某条件，如Success depends on hard work。 同义替换： be founded on,rely on 例句： The novel is based on a true story that happened in the 19th century 9.in short总而言之；简单地说 词义辨析： in short:用于对前文内容进行概括或总结，语气较正式。 in a word:与in short含义相近，但更口语化，强调用一句话概括。 同义替换： in brief,to sum up 例句： He is kind,honest,and hard-working.In short,he is a good friend. l0.flexible/'fleksabl/adj.灵活的，可变通的 词义辨析： flexible:指人或事物“灵活的、可变通的”，能适应不同情况，如flexible working hours(灵活 的工作时间)。 高中英语北师大版 【必修3】 Unit 9:Learning Lesson 1 adaptable:侧重“能适应新环境或变化的”，强调适应能力，如an adaptable person(适应性强的 人)。 同义替换： adaptable,elastic 例句： Our company has a flexible policy to meet the needs of different customers. 综合演练 综合练习 一、 单项选择 1.The two friendswith each other about which movie to watch tonight. A.argued B.quarreled C.debated 2.We can'tthat everyone will agree with our plan,so we need to prepare for different opinions. A.suppose B.assume C.presume 3.Regular exercise and a balanced diet can-better health. A.promote B.improve C.boost 4.It's impolite toothers when they are talking to you A.neglect B.overlook C.ignore 5.Many ancient cultures believed that gods-in the mountains and rivers. A.existed B.lived C.were 根据句意及汉语提示完成单词 4 高中英语北师大版 【必修3】 Unit 9:Learning Lesson 1 1.Scientists have been trying to prove the()of life on other planets for many years. 2.The company plans to(international trade by signing new agreements with foreign partners. 3.He_(忽视)the“No Smoking”sign and lit a cigarette in the restaurant.. 4.She made an (to solve the problem,but it was more difficult than she expected. 5.The theory is_()on years of research and experiments. 三、用所给单词的适当形式填空 1.They(attempt)to climb the highest mountain in their country last summer,but had to give up halfway. 2.Many endangered species-(exist)in this area,so we must protect their natural habitat. 3.He was criticized for(neglect)his duty as a teacher and failing to care for his students. 4.The team is working hard to_(work)out a solution to the technical problem. 5.She(ignore)all the warning signs and continued driving in the heavy rain. 四、完成句子 l.The novel_(以…为根据)a true story that happened during World War IⅡ. 2.Some people choose to()their health to pursue career success. 3.The government has taken measures to(the development of renewable energy. 高中英语北师大版 【必修3】 Unit 9:Learning Lesson 1 4.They(to finish the project ahead of schedule,but failed due to bad weather 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。 The idea of time travel has long(1.exist)in science fiction,but scientists are still debating whether it is possible in reality.Some theories(2.base)on Einstein's relativity suggest that time travel could be possible under certain conditions,but others(3.argue)that it would violate the laws of physics. In one experiment,researchers-(4.attempt)to send a particle back in time,but the results were inconclusive.Critics_(5.ignore)the potential risks of such research,while others warn that it could have unpredictable consequences. -(6.Short),the debate about time travel continues,and until there is concrete evidence,it remains a topic of speculation rather than scientific fact. 参考答案 I.单项选择 1.A2.B 3.A4.C5.A Ⅱ.根据句意及汉语提示完成单词 1.existence 2.promote 3.ignored 4.attempt 5.based ⅡI用所给单词的适当形式填空 1.attempted 2.exist 3.neglecting 4.work 5.ignored V.完成句子 1.is based on 2.ignore 3.promote 4.attempted to V.语篇填空 1.existed 2.based 3.argue 4.attempted 5.ignore 6.In short 6