Unit 3 Sea Exploration Words and Expressions 课件-2025-2026学年高中英语人教版选择性必修第四册

该高中英语课件围绕“海洋探索”主题，系统呈现核心词汇及短语用法，涵盖set sail、extend、negotiate等词的词性、释义、短语及例句，通过主题词汇导入课堂，从基础词汇到短语辨析、派生词拓展，再到语法填空和应用文写作，构建递进式学习支架。 其亮点在于融合语言能力培养，通过中英双语例句、写作实例（如extend在2023浙江卷应用）提升理解与表达；注重思维品质发展，设计词汇升级、一句多译（如negotiate的两种表达）锻炼分析与创造能力。采用对比归纳法（如set短语、hand短语辨析），学生能夯实词汇基础并提升写作应用能力，教师可直接利用系统资源优化教学效率。

SEA EXPLORATION Unit 3 Words and expressions set sail 起航；开航 set sail for… 起航去……；动身去…… We set sail for Japan early in the morning. 我们一大早就起航前往日本。 set aside 保留；储蓄；忽视；不顾 She set aside some money every month for her trip. 她每个月都存一些钱准备旅行。 set about doing sth. 着手/开始做某事 They set about cleaning the house right away. 他们立刻着手打扫房子。 set out (to do sth.) 出发；着手/开始(做某事) He set out to finish his homework before dinner. set off 动身；引爆；引发；触发 We set off for school at seven o’clock. set down 放下；记下；把……写下来 Please set down your name and address on the paper. set up 创立；建立；树立；搭建 They plan to set up a new club next term. extend v. 扩展；使伸长；延伸，扩大 extend to...　 　 延长到…… The meeting extended to midnight. extend by... 延长了…… The deadline has been extended by one week. extend sth to sb. 向某人提供某物 The school extends help to students in need. extension n. 延伸；扩大；延期；电话分机线；增建部分 extensive adj. 广泛的；广阔的；广大的；大量的 extended adj. 延长了的；扩展了的；详尽的 (1)(2023·浙江卷1月) The ____________ (extend) purpose of this activity is to help us gain a greater appreciation of the role that plants play in maintaining the balance of ecosystem. [应用文写作之活动介绍] (2)The school decided to extend the summer holiday _________ a week, hoping that students could have more time to relax and recharge. (3)由于需求量大，书店将工作日的营业时间延长到了晚上10点。 Because of the high demand, the bookstore _______________________ ________________________． extended by extended its operating hours to 10 pm on weekdays negotiate vt./vi. 商定；达成(协议)谈判；磋商 negotiate with sb. for/about/over sth. ＝negotiate sth. with sb. 与某人协商/谈判某事 We are negotiating with the company about the new contract. 我们正在和公司协商新合同。 negotiation n. 谈判；磋商；协商 under negotiation 在商讨中 The details of the plan are still under negotiation. 计划的细节仍在商讨中。 in negotiation with... 和……协商/谈判中 The manager is in negotiation with several partners. 经理正在和几位合作伙伴协商。 The Negotiator 【单句语法填空/词汇升级/一句多译】 (1)Despite the challenges faced during the talks, the trade agreement remains ____________ negotiation between the two countries. (2)They are negotiating with international partners to expand their market reach into new territories. →They are _________________ international partners to expand their market reach into new territories. under in negotiation with fleet[fliːt]: n. 舰队;机群;车队 a fleet of 机群；一队… behold [bɪˈhəʊld] vt.看; 看见 (behold -- beheld -- beheld) beholder n.旁观者；观看者 a joy /pleasure to behold 赏心悦目 a wonder to behold 令人惊叹 a sight to behold 壮观的景象 league[li:ɡ] n. 等级; 水平; 联合会; 联赛 in a league of one’s own 独领风骚 就乒乓球而言，中国在世界范围内独树一帜。 As for table tennis, China is in a league of its own worldwide. the Communist Youth League 中国共产主义青年团 league member 团员 League Of Legends 英雄联盟 royal adj. 皇家的; 王室的;高贵的;忠诚的; 忠实的 the royal palace 皇宫 a royal welcome 盛大的欢迎 the royal road 坦途；成功的捷径 loyal adj. 忠诚的 loyalty n.忠诚；忠实； royally adv. 庄严地 royalty n. 皇家，皇族 There is no royal road to learning. 我们受到了盛大的欢迎。 学无坦途。 We were given a royal welcome. withdraw v. .(使)撤回；撤离；(使) 退出；提取；收回；停止供给；脱离(社会) 写出下列句子中画线部分的汉语释义。 1. I’d like to withdraw some money from my account. 2. The troops have been withdrawn from the danger area. 3. I want to withdraw a statement I made earlier. 4. Britain has successfully withdrawn from the EU. 提取 撤退 收回/撤回 退出 withdraw-withdrew-withdrawn withdraw from... 从……撤出，撤回 She withdrew her hand from his. 她把手从他的手里抽了回来。 There have been calls for Britain to withdraw from the EU. 一直有人呼吁英国退出欧盟。 withdrawal n .收回；撤回；撤退；取款 an emotional bond between mother and child    a bond between A and B A与B之间的关系 bond A and B 使AB牢固结合；把AB紧紧地连接 sb's word is one’s bond 一诺千金；言而有信 My father never breaks his promise—his word is his bond.我父亲从不食言，他一诺千金。 bond n. 纽带；关系 vt.& vi. 增强关系；使牢固结合 母亲和孩子之间的感情纽带 in hand 在手头；可供使用 at hand 在手头；在近处；即将到来 I always keep a dictionary at hand. 我总是把词典放在手边。 at first hand 亲自；第一手 He learned the truth at first hand. 他亲自了解到了真相。 by hand 用手；手工 This sweater is made by hand. 这件毛衣是手工制作的。 hand in hand 手拉手；密切相关；相伴而生；齐头并进 They walked along the street hand in hand. 他们手拉手沿街走着。 Economic growth and environmental protection should go hand in hand.经济增长与环境保护应当协调并进。 stand hand in hand 携手并肩 We should stand hand in hand to overcome difficulties.我们应携手克服困难。 give/ lend sb a hand 给某人帮忙 Could you give me a hand with my bags? give sb a big hand 热烈鼓掌 Let's give her a big hand! 让我们为她热烈鼓掌！ on the one hand, on the other hand 一方面…另一方面 On the one hand, the Internet brings us much convenience; on the other hand, it may also waste our time. 一方面，互联网给我们带来很多便利；另一方面，它也可能浪费我们的时间。 (1)The teacher asked everyone to keep their textbooks ____________hand for quick reference during the lecture. (2)The artist spent months making the sculpture ____________hand, paying close attention to every detail. (3)The student participated in a volunteer program, experiencing the challenges of community service ____________ first hand. (4)在面对挑战时，团队成员之间携手并肩以克服困难是非常重要的。 It is important for team members ______________________________ ___________________when they face challenges.读后续写之主旨升华 at by at to stand hand in hand to overcome difficulties mixture n.混合；混合体；混合物 a mixture of A and B …… 的混合；既有…… 又有…… a mixture of excitement and fear 既兴奋又害怕 a mixture of surprise and doubt 又惊讶又怀疑 a mixture of anger and embarrassment 又生气又尴尬 mix v. (使)混合；掺和；调配 mix...with... 把……和……混合 You can mix blue paint with yellow paint to get green. 你可以把蓝色颜料和黄色颜料混合得到绿色。 mix with sth. 与某物相融合 His voice mixed with the sound of wind. mix with sb. 与某人交往/结交/相处 They don't mix much with the neighbours. mix up 弄乱；混淆；搅匀 I always mix up the twins. 我总是把这对双胞胎弄混。 mixed adj. 复杂的；混合的 (1)(2023·新高考全国卷Ⅰ) To begin with, it couldn't be better if students with ____________ (mix) levels of English could be grouped together deliberately rather than at random, so that we can help each other during our practice.[应用文写作之建议信] (2)The moment I entered the room, I smelled a strong smell of medicine mixed ____________ other smells. mixed with manned adj. 载人的；有人控制/操纵的 unmanned adj. 无人的；无人操纵的； 1.载人宇宙飞船 a manned spacecraft 2.载人卫星 a manned satellite meanwhile [ˈmiːnwaɪl] adv. 与此同时; (比较两方面)对比之下 =meantime in the meanwhile /meantime =at the same time 在此期间；与此同时 for the meanwhile 一会儿; 暂时 murderer n.谋杀犯 murderous adj.蓄意谋杀的 commit (a) murder 犯谋杀罪 attempted murder 谋杀未遂 murder / ˈmɜːdə(r)/ vt.谋杀；凶杀；毁坏  n.谋杀；凶杀   mercy n. 仁慈；宽恕；恩惠 show mercy to sb = have mercy on sb 怜悯某人 She never shows mercy to those who lie to her. at the mercy of... 任由…摆布；受…控制 The small boat was at the mercy of the storm. without mercy 毫不留情 The teacher criticized him without mercy. out of mercy 出于怜悯 He gave the beggar some money out of mercy. merciful adj. 仁慈的；宽大的 be merciful to/towards sb 对某人仁慈 We should be merciful to the weak. 、 merciless adj. 无情的；残忍的 (1)Once the ship lost power in the middle of the ocean, the crew was ____________the mercy of the weather. (2)The storm attacked the coast with ____________ (mercy) force, destroying homes and infrastructure along its path.[读后续写之场景描写] at merciless possession n. 拥有；占有；所有物；财产 (sb be) in possession of 占有；拥有(表主动) He is in possession of a large company. (sth be) in the possession of = (sth be) in sb’s possession 为…所有(表被动) A large company is in the possession of him. take possession of 占有；拥有；占领 The army took possession of the city. 军队占领了这座城市。 possess v. 拥有 be possessed of 具有（某种品质，能力等） She is possessed of great courage. 她十分勇敢。 (1)She is ____________ (possess) of a remarkable talent for music, which has allowed her to compose beautiful music. (2)Please remember to take all your personal ____________ (possess) with you when you leave the bus. possessed possessions (3)他在市中心区域拥有三套房子，这些房子在过去几年里价值上涨了。 →He ____________________________________________________ ___________________________which have increased in value over the past few years. →Three houses in the downtown area __________________________ which have increased in value over the past few years. possesses/is in possession of/takes possession of three houses in the downtown area, are in the possession of him, log vt. 把…载入正 记录(logged-logged-logging) n.日志;(事件的)正式记录;原木;木料 log in 登录;进入(计算机系统)　　 log off/out 注销;结束（计算机系统） keep a log 记日志（航海/飞行） (be) under arrest 被逮捕 The man is under arrest for theft. arrest sb for 因…逮捕某人 The police arrested him for drunk driving. get arrested (for) 因...被逮捕 He got arrested for fighting in the street. arrest n. 逮捕；拘留；中止 vt. 逮捕；拘留；阻止 (1)After a brief chase, the suspect was ____________ arrest and taken to the police station for questioning. (2)(2025·浙江卷1月)He explained how he had witnessed the strange man enter their house and ____________ (遭到逮捕). (3)警方接到邻居的报告后，逮捕了这名闯入当地商店的男子。 The police _____________________________________________ after receiving reports from the neighbors. under get arrested arrested the man for breaking into a local store, Thank you！ $