Unit 3 Sea exploration 核心词汇预习导学案-2025-2026学年高中英语人教版选择性必修第四册

该高中英语导学案聚焦X4U3核心词汇，涵盖extend、negotiate等8个单词的读音、含义、搭配及派生词，通过基础填空、词形转换、翻译等预习练习，构建从词汇认知到应用的学习支架，帮助学生衔接新旧知识。 资料以谐音记忆法辅助词汇识记，设计分层练习与Summary造句任务，答案部分便于自主核对，有效提升学生语言能力（词汇应用与表达）、学习能力（自主预习与策略运用）及思维品质（知识整合与创造），贴合新课标核心素养要求。

📄 X4U3 核心词汇预习导学案 班级：__________ 姓名：__________ 学号：__________ 预习要求：先熟记单词的读音、含义及搭配，再独立完成练习。 单词 & 知识点 预习练习 1. extend​ /ɪkˈstend/ （谐音：一克死疼的） v. 扩展；使伸长；延长；伸展；提供；给予；延伸(距离) • extend a deadline/visa 延长最后期限/签证 • extend from... 从……延伸 • extend sth to sb 提供/给予某人某物 • extensive adj.广泛的 • extendable adj.可延长的 • extension n.延长；延期 1. The company will extend a special discount ______ loyal customers this holiday season. 2. The university conducted ______ (extend) research on climate change. 3. The contract is ______ (extend) for another two years if both parties agree. 4. 翻译：由于收到了大量的请求，我们已决定将上交的截止日期延长到下周五。 Due to the large number of requests, we have decided to __________ the submission deadline until next Friday. 2. negotiate​ /nɪˈɡəʊʃieɪt/ （谐音：你够谢特） v. 商定；达成(协议)；谈判；磋商；协商 • negotiate with sb about/on/over sth 与某人就某事交涉 • negotiation n.谈判；协商 1. The union representatives will negotiate ______ the management. 2. The ______ (negotiate) lasted for several weeks. 3. They need to ______ (negotiation) the terms before finalizing. 4. 翻译：我们的团队已成功与客户谈判，延长了协议的条款。 Our team has successfully negotiated with clients to __________ the terms. 3. withdraw​ /wɪðˈdrɔː/ （谐音：喂猪捉） v.（使）撤回；撤离 • withdraw from 从……退出 • withdrawal n.退出；撤回；取款 1. The bank reported high ______ (withdraw) due to the crisis. 2. The company decided to withdraw ______ the negotiations. 3. The offer was ______ (withdraw) last week. 4. 翻译：他决定退出争论，脸上带着一种沮丧和悲伤的表情。 He decided to __________ from the argument, his face a mixture of frustration and sadness. 4. hand​ /hænd/ （谐音：汗的） n. 手；帮助 v. 递；交 • in hand 在手头 • by hand 用手工 • hand in 上交 • hand out 分发 • hand down 传给后代 1. Research and teaching should go hand ______ hand. 2. Traditions have been handed ______ for generations. 3. I wash my clothes by ______ this week. 4. The teacher will hand ______ the assignments. 5. 翻译：手中拿着地图，她自信地穿越茂密的森林。 With a map ______, she confidently walked through the forest. 5. mixture​ /ˈmɪkstʃə(r)/ （谐音：迷克斯车） n. 混合；结合体；混合物 • a mixture of ……的混合物 • mix v. 混合 • mix up 弄错；混淆 1. She mixed her coffee ______ some honey. 2. A salad is a ______ (mix) of fresh vegetables. 3. The audience had ______ (mix) reactions. 4. I always mix ______ their names. 5. 翻译：激动和幸福的泪水滴落在那些明信片上。 Tears of happiness ______ excitement fell onto the postcards. 6. arrest​ /əˈrest/ （谐音：饿如死特） v. 逮捕；拘留；阻止 • arrest sb for (doing) sth 因某事逮捕某人 • arrest one’s attention 引起注意 1. He was ______ (arrest) for stealing a wallet. 2. 翻译：这幅画的鲜艳颜色立刻吸引了我的注意。 The bright colors immediately __________ my attention. 7. mercy​ /ˈmɜːsi/ （谐音：摸西） n. 仁慈；宽恕；恩惠 • beg for mercy 乞求宽恕 • without mercy 残忍地 • at the mercy of 任由……摆布 • merciful adj.仁慈的 • merciless adj.残忍的 1. The ______ (mercy) attack left the town in ruins. 2. The ______ (mercy) king pardoned the prisoners. 3. The leader ruled without ______. 4. The prisoner begged for ______. 5. 翻译：乘客们任凭暴风雨摆布。 The passengers were __________ the storm. 8. possession​ /pəˈzeʃn/ （谐音：婆贼真） n. [pl.] 个人财产；拥有；控制 • in possession of 拥有 • in the possession of sb 为某人所有 • possess v. 拥有 • be possessed of 具有(某品质) 1. The artist is ______ (possess) of incredible talent. 2. The necklace was in her ______ (possess). 3. She was in ______ (possess) of the rare book. 4. He ______ (possess) much knowledge in tech. 5. 翻译：幸福是享受我们所拥有的东西。 Happiness is enjoying what we ________________. Summary：用所学的单词及用法，造一个关于“海洋探索”的句子。 1 学科网（北京）股份有限公司 X4U3 核心词汇预习导学案 答案 一.extend 1. to 2. extensive 3. extended 4. extend 二. negotiate 1. with 2. negotiation 3. negotiate 4. extend 三. withdraw 1. withdrawal 2. from 3. withdrawn 4. withdraw 四. hand 1. in 2. down 3. hand 4. out 5. in hand 五. mixture 1. with 2. mixture 3. mixed 4. up 5. mixed with 六. arrest 1. arrested 2. arrested 七. mercy 1. merciless 2. merciful 3. mercy 4. mercy 5. at the mercy of 八. possession 1. possessed 2. possession 3. possession 4. possesses 5. possess Summary（参考造句） We will extend our exploration to the deep sea and negotiate with partners to withdraw from risky activities, while we are not at the mercy of the ocean but in possession of the courage to explore. $