Unit 2 The things around us-2026-2027学年高中英语词汇精讲精练必修第三册（沪教版）

Unit 2 核心词汇概览： flood cotton guy tip profit living 词汇精讲 序号 单词/短语 1 flood /fl d/ 2 discount /'diskaont/ The things around us 词汇精讲精练 insect drop discount nail export expert hesitate wine jean economy involve 词汇讲解 释义：v.(使)充满；充斥；n.洪水 词汇变形：flooded(ad,)被淹没的：泛滥的：looding(m)洪水泛 滥 搭配：flood into/out of涌入/涌出；be flooded with充满；被… 淹没；af1 ood of大量的…（修饰名词） 辨析：food强调“充满、充斥”的动作；overflow强调“溢出、漫 出”。 例句：The market was flooded with cheap goods after the policy change 政策变化后，市场上充斥着廉价商品。 The warm light flooded into the room,making it feel cozy. 温暖的光线涌入房间，让人感到舒适。 释义：n.折扣；v.打折：不重视 词汇变形：discounted(adj)打折的 搭配：at a discount打折；以折扣价；offer/give a discount提供折 扣；discount rate贴现率；折扣率；discount sth.认为…不重要； 不重视（动词用法) 辨析：discount指“折扣”；allowance指“津贴、零花钱”； rebate指“回扣、部分退款”。 AI3z34,/ 31IS34 9 A:sds/ Lodxa S A:cds, Hodxa 女 Iou [reu E 例句：The store offers a20%discount on all items during the holiday season 节日期间，该店所有商品都打八折。 We can't discount the possibility of a sudden change in weather. 我们不能排除天气突然变化的可能性。 释义：n指甲；钉子；v钉住：抓住；成功完成 词汇变形：nail polish指甲油：nail-biting(adj)令人紧张的 搭配：hit the nail on the head说到点子上；一针见血；nail down确 定；明确：钉牢；nail it成功做到；完美完成 辨析：nail强调“钉、固定”；fasten强调“系牢、扣紧”。 例句：The carpenter nailed the boards together firmly. 木匠把木板牢固地钉在一起。 She nailed the interview and got the job instantly. 她面试表现出色，立即得到了这份工作。 释义：v.出口；输出；n.出口物 词汇变形：exporter(n)出口商；exportation()出口（正式） 搭配：export sth.to.把…出口到…；export trade出口贸易； import and export进出口 辨析：export出口；import进口；re-export再出口。 例句：China exports a large number of electronic products to European countries 中国向欧洲国家出口大量电子产品。 The country's main export is crude oil. 这个国家的主要出口物是原油。 释义：n.专家；能手；adj.熟练的：专业的 词汇变形：expertly(adv,)熟练地；expertise(n)专业知识/技能 搭配：expertin/at sth./doing sth.在某方面/做某事方面的专家；an expert opinion专家意见；expert advice专家建议 辨析：expert指“专家”，强调技能或知识；specialist指“专科医 生或专门从事者”，更正式。 例句：Sheis an expert in dealing with difficult customers, 她是处理难缠客户的专家。 The expert gave a detailed analysis ofthe economic situation. 专家对经济形势进行了详细分析。 释义：ⅴ，（对某事）犹豫；迟疑不决 ueuay,I Awouo3 6 /aA./ SUAI 8 aid/ 0.1d 词汇变形：hesitation)犹豫；hesitant(adj.)犹豫的：hesitantly (adv.)犹豫地 搭配：hesitate to do sth.犹豫做某事；hesitate about/over sth.对某 事犹豫不决；without hesitation毫不犹豫地 辨析：hesitate指因不确定而犹豫；waver指“摇摆、动摇”，程度 更强。 例句：If you have any questions,.please don't hesitate to ask me, 如果你有任何问题，请随时问我。 He hesitated about whether to accept the job offer. 他对是否接受这份工作犹豫不决。 释义：v.获益：得到好处：n.利润：收益 词汇变形：profitable(adj)有利可图的；profitability()盈利能 力；profiteer(n.)投机商 搭配：profit from/by sth.从…中获益；make a profit获利；net profit净利润 辨析：profit指“利润、收益”；benefit指“好处、益处”，更宽 泛。 例句：The company profited from the new marketing strategy. 公司从新的营销策略中获益。 There is little profit in arguing with him. 和他争论没什么好处。 释义：n.生计；谋生；收入；adj.活着的：生动的 词汇变形：livelihood(n)生计（更正式） 搭配：make a living谋生；earn one's living谋生；living expenses 生活费用；living standard生活水平 辨析：living常用搭配nake a living;life生活（更宽泛)； livelihood侧重“谋生手段”。 例句：He makes a living by selling handmade crafts online. 他靠在网上销售手工艺品谋生。 The cost ofliving has risen sharply this year. 今年的生活成本急剧上升。 释义：n.经济：经济体制；节约 词汇变形：economic(adj.)经济的；economical(adj)节约的； economically(adv.)经济地；economics(n.)经济学 搭配：market economy市场经济；develop the economy发展经 济；economy class经济舱；fuel economy节省燃料 辨析：economy(经济)/economical(节约的)易混淆：economics (经济学)学科。 例句：The government took measures to boost the economy after the crisis. 危机后政府采取措施刺激经济。 It is more economical to buy in bulk. 批量购买更经济。 10 involve 释义：V.包含；需要；使成为必要；使参与 /m'volv/ 词汇变形：involved(adj.)参与的；复杂的：involvement()参 与：牵连 搭配：involve sb.in(doig)sth.使某人参与某事；be involved in参 与：卷入：involve doing sth.包含做某事（后接动名词） 辨析：involve强调“包括、牵涉”；include单纯的“包括”； participate in强调“主动参与”。 例句：The project involves a large amount ofresearch work. 这个项目涉及大量的研究工作。 He was involved in a heated argument with his neighbor. 他和邻居卷入了一场激烈的争论。 11 p 释义：n.小费；小窍门；尖端；v.给小费：倾斜 /p/ 词汇变形：ipping (n)给小费的行为：pper血)给小费的人 搭配：leave a tip付小费；tip off向…透露消息；密报；tip the balance打破平衡；起决定性作用；a useful tip一个有用的小窍门 辨析：p小窍门（同义词：hint,advice);tip给小费（用法：ipsb. 给某人小费)。 例句：She gave the waiter a generous tip for the good service. 她因为服务好给了服务员慷慨的小费。 The article offers some practical tips on how to save money. 这篇文章提供了一些省钱实用小窍门。 二、专项训练 (一)单句填空（共12小题） 1.The market was (flood)with fake products,which caused great losses to the local economy. 2.The store offered a special (discount)for students during the book fair. 3.He managed to」 (nail)the final exam and graduated with honors. 4.The country's main (export)include machinery and agricultural products 5.She is an (expert)in environmental law and often gives lectures on the topic 6.Please do not (hesitate)to contact me if you need further assistance 7.The company (profit)greatly from the new partnership with the tech giant. 8.Many young people move to big cities to make a (live)in the hope of better opportunities 9.The government's new policy aims to improve the (economy)situation of rural areas 10.The task (involve)analyzing a large amount of data,which requires patience. 11.Could you give me some (tip)on how to prepare for the interview? 12.The flood victims were taken to a safe place (hesitate)by the rescue team. (二)单句表达（共8小题） 1.大量的申请信涌入了公司的邮箱。 A applications the company's mailbox. 2这家商店在季末会提供五折优惠。 The store a50% at the end of the season. 3.他一针见血地指出了问题的核心。 He and pointed out the core of the problem. 4他毫不犹豫地跳进河里救了那个溺水的孩子。 He jumped into the river to save the drowning child 5.发展中国家正努力从全球化的浪潮中获益。 Developing countries are trying to the globalization wave. 6她靠在当地市场卖水果谋生。 She by selling fruits at the local market. 7这项工程需要大量的资金和人力投入。 This project large amounts ofmoney and human resources. 8.老师给了我们一些提高写作水平的有用建议。 The teacher gave us some on improving our writing skills. (三)短文填空 The economic crisis has hit the small town hard.Many local factories,which used to 1 (export)their products to foreign countries,have been forced to close down.As a result,a large number of workers lost their jobs and struggled to make a 2. (live). Some of them had been 3. (expert)in their fields for years,but now they had to accept any job they could find.One day,a group of young volunteers 4. (flood) into the town to help.They set up a training center to teach people new skills.At first,many workers 5. (hesitate)to attend,worrying that the training would not be useful However,the volunteers did not 6. (discount)their concerns;instead,they listened carefully and adjusted the courses.The training 7.(involve)courses in online marketing,e-commerce,and basic programming.Some workers quickly got the hang ofit and even found 8.(tip)on how to start their own small businesses.9. (profit) from the experience,they began to rebuild their lives.The town also 10. (nail)a new deal with a nearby city to sell their handmade goods.Alocal newspaper reported the story,saying,"This town is a perfect example of how a community can turn a crisis into an opportunity.There is no need to 11. (hesitate)in the face of challenges.With determination and help,everyone can 12 (profit)from change." 三、参考答案 (一)单句填空 1.flooded;2.discount;3.nail;4.exports;5.expert;6.hesitate;7.profited;8.living; 9.economic;10.involves;11.tips;12.without hesitation (二)单句表达 1.flood of;flooded into;2.offers discount;3.hit the nail on the head;4.without hesitation;5.profit from;6makes a living;7.involves;8.useful tips (三)短文填空 1.export;2.living;3.experts;4.flooded;5.hesitated;6.discount;7.involved;8.tips; 9.Profiting;10.nailed;11.hesitate;12.profit