Unit 3 单元知识回扣-(配套教参)【精讲精练】2025-2026学年高中英语必修第三册(外研版)

该高中英语Unit 3单元知识回扣清单系统梳理了单元核心知识体系。从24个核心单词（含词性及例句）出发，延伸至15个拓展单词（涵盖词性转换与反义词），进而衔接9个重点短语和4类重点句型（含结构解析与例句），构建起“词汇积累—拓展转换—短语运用—句型实践”的学习支架。 知识链路按“基础词汇—拓展延伸—语用表达”逻辑清晰呈现，核心单词配例句强化语境理解，拓展单词通过词性转换与反义对比深化认知，重点句型结合结构解析与实例应用。通过系统梳理与情境化示例，助力学生夯实语言基础、提升语言运用能力，培养逻辑梳理与系统复习的学习能力，体现语言能力与思维品质的协同发展。

Unit 3　单元知识回扣 [对应学生用书P71] Ⅰ.核心单词 1．Nowadays，there are more and more products and service using high technologies such as artificial intelligence，5G and virtual (虚拟的) reality technology. 2．I think there should be a warning on every item which the batteries (电池) are in. 3．Teenagers may want to be part of the group，yet desire (渴望)to be independent. 4．Whenever there is a sale in the supermarket，my mother always ends up buying good stuff (物品) at a low price. 5．You should cease worrying about things that are beyond (超出) the power of our will. 6．The fact is that many instances (例子) confirm that hard work can lead to success. 7．It was 1897 when a European chemist (化学家) called Dr Felix Hoffman produced aspirin from this chemical. 8．With the development of astronomy，more and more astronomers (天文学家) begin to explore the Mars. 9．Mary is interested in biology and wants to be a biologist (生物学家) when she grows up. 10．This kind of snake has been declared an endangered species (物种) since 2022. 11．Having had a good night's sleep，we were rowing down the stream (溪流) towards the sea. 12．She has an extraordinary (非凡的) memory and can remember details and names that I've long forgotten. 13．She could have been a brilliant (才华横溢的) pianist if she'd put her mind to it. 14．In theory (理论)，the journey should take three hours，but in practice it takes four because of roadworks. 15．Although this medicine can cure (治愈) you of your illness，it has a bad effect on you. 16．I rewrote this rough draft (草稿)，which was published under my name last week. 17．In the end，they finished the difficult and dangerous experiment (实验) successfully. 18．As someone says，the happy ending may be more common in fiction (虚构的事) than in real life. 19．Made of metal (金属)，the statue weights up to 225 tons and measures 46 meters high. 20．Lightning is the very bright flashes (闪光) of light in the sky that happens during thunderstorms. 21．As is known to us，copper conducts (传导) electricity，but plastic does not. 22．The force of gravity (重力) pulls things towards the earth's centre. 23．In describing an object we can give an account (描述) of its shape，size，color and function. 24．Instead of following the normal procedure (程序)，he did it in a quite different way. Ⅱ.拓展单词 1．press v.按→pressure n.压力；挤压 2．flexible adj.易弯曲的，柔韧的→flexibility n.灵活性；柔韧度→flexibly adv.灵活地，易曲地，柔软地 3．capable adj.有能力的→capacity n.能力；容量 4．passive adj.被动的；消极的→[反义词]active adj.主动的；积极的 5．significant adj.重要的，影响深远的→significance n.意义；意思；重要性；重要意义 6．injure v.使受伤，弄伤→injury n.伤害，损伤 7．accurate adj.精确的→accurately adv.精确地→accuracy n.准确(性) 8．minor adj.小的→minority n.少数；少数民族 9．origin n.起源，起因→original adj.原始的；最初的 10．mental adj.精神的；精神健康的→mentally adv.心理地，精神地→[反义词]physical adj.身体的；物质的 11．declare vt.宣布；声明；表明；宣称→declaration n.声明，宣告 12．attach v.系，绑；贴→attached adj.依恋的，附属于→attachment n.依恋；(机器的)附件；附加装置；附属物 13．science n.科学→scientific adj.科学(上)的→scientist n.科学家 14．entire adj.整个的；完全的；全部的→entirely adv.完全地，彻底地 15．prove v.证明是；被发现是→proof n.证明，证据 Ⅲ.重点短语 1．in addition 除此之外，另外 2．in terms of 根据……来说；依照……；就……而言 3．never say never 别轻易说绝不 4．tie...to... 把……栓/系在……上 5．along with 与……一起；连同……一起 6．establish the truth 证实真相 7．take place 发生；进行 8．die from 死于 9．come up with 想出； 提出 Ⅳ.重点句型 1．“It suggests that...”意为“这表明……” 他的微笑表明他对这个考试结果是满意的。 His smile suggested that he was satisfied with the result of the examination. 2．with复合结构 近年来，随着人们收入的增加，很多人有足够的钱来购买私家车。 In recent years，with people's income increasing，many people have enough money to buy private cars. 3．强调句型 正是你们的慷慨援助和坚持不懈使我们振作起来，帮助我们度过了这次灾害。 It was your generous aid and perseverance that cheered us up and helped us go through the disaster. 4．that引导同位语从句 月球上没有生命这个事实大家都知道。 The fact that there is no life on the moon is known to us all. 学科网（北京）股份有限公司 $