2025-2026学年人教版高中英语选择性必修第四册Unit 3 Sea Exploration核心词汇学案

2026-07-27
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摘要:

该高中英语导学案聚焦Unit3核心词汇与重点句型,涵盖13个重点词汇的词形转换、搭配及例句,5种核心句型的结构解析与应用。通过词形拓展、语境填空、中英互译等练习,搭建从词汇到语法的学习支架,帮助学生衔接前后知识,夯实语言基础。 资料以多样化练习提升语言能力,通过词形变化分析和句型结构探究培养思维品质,中英互译默写练习强化学习能力。习题结合实际语境设计,注重词汇应用与语法迁移,助力学生高效掌握知识点,适合课堂教学与自主学习,提升英语综合素养。

内容正文:

Unit3 核心词汇 一、重点词汇和短语 1. set sail 起航;开航→_________v. 乘船航行;(船、飞机)航行;n. 帆;航行;航程→_________n. 水手;海员;船员→ _________ n. 帆船运动;航行 set sail from 从……起航; set sail for 启航去…… 例如:We _________(起航) at dawn, leaving the quiet harbor behind for an adventurous voyage 2. extend vt. 扩展;使伸长;延长;提供;伸展,展开 vi.& vt. 持续,延续,给予→ _________adj. 广阔的;大量的;广泛的 →_________ n. 延伸;扩大;延期 extend a visa/ deadline 延长签证有效期/截止日期 extend heartfelt gratitude to...向……致以诚挚的谢意 extend a warm welcome to...对……表示热烈欢迎 extend sth to (使)扩展,(使)扩大 例如:The plan will extend protection_______ a significant number of areas that were previously unprotected. 翻译:让我们向所有参与者致以最热烈的欢迎。 ______________________________________________________ 3. negotiate vt. 商定;达成(协议) vi. 谈判;磋商;协商→_________ n. 谈判;磋商 →_________ n. 谈判者;协商人 negotiate with sb for/about sth与某人谈判、商议某事 under negotiation在商谈中 例如:The client negotiated_______ the boss _______ the price of the goods. The project is_________(在商谈中) . 4. withdraw vi.& vt. (使)撤回;撤离;收回(意见);提取(存款) (withdrew, withdrawn) →_________ n. 撤回;撤出 withdraw sb/sth from sth 把……从……撤回 withdraw to sth 退入;撤退到 withdraw money from 从……取钱 例如:They have withdrawn______ a safer area. 他们已经撤退到更为安全的地带。 翻译:后来部长收回了自己的言论。 ______________________________________________ 5. bond n. 纽带;联系;契约;债券 v. (使) 结合;建立感情联系;粘合 a bond of friendship/trust/love 友谊/信任/爱的纽带 the bond between... and... ……与……间的纽带/关系 strengthen/weaken a bond 加强/削弱某种联系 bond with sb 与……建立亲密关系 翻译:许多水手都感到自己与大海有着深厚的情感纽带。 ______________________________________________________ 6. politics n. 政治;政治学;政治主张;政治事务→ _________ adj. 政治的;从政的;政党的→_________ adj. 政治上;从政治角度看;→_________ n. 政治家;政客 例如:Politics is his main subject at university, he aims to be a __________ (politics). 7. profession n. 职业;行业→ _________ n. 教授;→ _________ adj. 娴熟的;职业的;专业的;n. 专业人士 The expedition team consists of____________(profession) such as marine biologists, experienced sailors, and doctors. 8. mixture n. 混合;结合体;混合物→______ vt. 配制;混淆;使混合 →_________ adj. 混合的;混杂的 a mixture of...……的结合或混合 mix...with/and...把……与……结合/混合 mix with sb与某人交往 mix up混合;掺和;混淆 (1) She carefully mixed the flour _________ water to make a smooth dough. (2) 翻译: 她对这次海外交换项目心情复杂。 ___________________________________________________________ 9. coverage n. 覆盖范围;(书,节目,课程的)内容范围,信息范围→_________ v. 覆盖;走完;报道;包括;足够支付;n. 盖子,覆盖物,自然植被→_________ adj. 覆盖的 例如:A journalist was sent _________(cover) the conference. Our ship can _______(走完) 300 nautical miles a day under favorable wind conditions. 10. applaud vt&vi. 称赞;鼓掌;赞成→ _________ n. 鼓掌;掌声;喝彩 thunderous applause 雷鸣般的掌声 applaud sb for (doing) sth. 因(做)某事称赞某人 例句:We all applaud her________ donating most of her savings to charity. 11. migrate vi.(动物)迁徙;洄游;(人)移居;迁移;vt. 迁移;使移居→ _________n. 移民;迁徙动物 →_________adj. 迁徙的;移居的 migrate from... to...(从……)迁移到…… Many factories migrate from coastal areas_______ inland regions to reduce costs. 12. mercy n.仁慈;宽恕;恩惠→_________ adj. 仁慈的;慈悲的;宽容的 →_________adj. 残忍的;无慈悲心的 show mercy to对……怜悯/宽恕 be merciful to... 对……仁慈 at the mercy of... 任由……摆布 without mercy 无情地 have mercy on/upon... 对……怜悯/宽恕 例如: She was a kind lady and always ___________( 对……怜悯) those who were in trouble. 12. possession n.[usually pl.] 个人财产;拥有;控制→_________ vt. 拥有;具有;支配 take possession of (表动作)占有;拥有 in possession of (表状态)具有;拥有 in the possession of 被……拥有;归……所有 be possessed of sth. 具有(某种品质或特征) My lost wallet was found and is now _______________(被……拥有) of the lost and found department. 13. opponent n. 对手;反对者;→ _________ v. 反对 → _________ n. 反对;对抗 →_________ adj. 相对的;→_________ adj. 反对的 be opposed to doing sth. 反对…… oppose doing sth.反对…… 翻译:他指责对手在竞选活动中使诡计。 __________________________________________________________ 二、重点句型 1. In ancient times, silk from China found its way overland to India, the Middle East, and Rome, along what became known as the Silk Road. 结构:what 引导名词性从句 用法:what 引导的名词性从句是高中英语核心语法点,它在从句中必须充当主语、宾语或表语,且不能省略;what 本身含 “the thing(s) that/which” 的含义,引导的从句可在主句中作主语、宾语、表语或同位语。 翻译:告诉我你吃什么,我就能知道你是谁。 ________________________________________________ 2. Over the centuries, further trading allowed more exploration of the regions to the west of China, as recorded in Du Huan’s Record of My Travels in the eighth century. 结构:as引导的非限制性定语从句 用法:此处为省略。as引导的非限制性定语从句, as指代主句整句,as可以作从句主语,宾语和表语,意为“正如”,“就像”,置于主句的前、中、后均可。as作为从句的主语时,通常可用it作形式主语,后接that引导的主语从句或用what引导的主语从句进行转换。常见表达:as is often the case; as is reported; as is known to all, as we all know, etc. The girl won the first prize in the competition, _______ we all expected. 3. ...there is an urgent need to study the Arctic in order to understand climate change and its effects. 结构:there is a need to do sth 用法:there is a need to do sth,存在句句型,含义是“有必要做某事;需要做某事”,用于表达客观需求或建议,语气正式、书面化,适合写作和议论文中使用。there is no need to do sth没有必要做…… 例句:There is an urgent need ________(strength) international cooperation to tackle global climate change effectively. 4. ...with the latest technology in hand, the need to trade and the desire to enhance relationships will drive China to reach out across the sea far into the future. 结构:with sth +宾语补足语(adj/doing/done/ prep phrase) 用法:“with + 宾语 + 宾语补足语”是英语中常用的介词短语结构,在句中通常作状语(表示伴随、原因、时间、条件、方式等),也可以作定语修饰名词。 翻译:随着问题被解决,科学家们继续他们的研究。 _______________________________________________________________ 5.We need to understand what is happening to our planet so that we can take action. 结构:so that引导目的状语从句 用法: 1  so that +主语+ can/could/may/might +动词原形,引导目的状语从句,意为“为了”、“以便”。 2  so that +主语+动词(陈述语气)引导结果状语从句,意为“结果是”、“以致于”。 翻译:讲座期间你应该做笔记,以便你之后复习。 _____________________________________________________________________ 答案 一、重点词汇和短语 1. set sail 起航;开航→sail v. 乘船航行;(船、飞机)航行;n. 帆;航行;航程→ sailor n. 水手;海员;船员→ sailing n. 帆船运动;航行 set sail from 从……起航; set sail for 启航去…… We set sail (起航) at dawn, leaving the quiet harbor behind for an adventurous voyage 2. extend vt. 扩展;使伸长;延长;提供;伸展,展开 vi.& vt. 持续,延续,给予→ extensive adj. 广阔的;大量的;广泛的 →extension n. 延伸;扩大;延期 extend a visa/ deadline 延长签证有效期/截止日期 extend heartfelt gratitude to...向……致以诚挚的谢意 extend a warm welcome to...对……表示热烈欢迎 extend sth to (使)扩展,(使)扩大 (1) The plan will extend protection to a significant number of areas that were previously unprotected. (2) 翻译:让我们向所有参与者致以最热烈的欢迎。 Let us extend our warmest welcome to every participant 3. negotiate vt. 商定;达成(协议) vi. 谈判;磋商;协商→negotiation n. 谈判;磋商 →negotiator n. 谈判者;协商人 negotiate with sb for/about sth与某人谈判、商议某事 under negotiation在商谈中 例如:The client negotiated with the boss for the price of the goods. The project is under negotiation (在商谈中) . 4. withdraw vi.& vt. (使)撤回;撤离;收回(意见);提取(存款) (withdrew, withdrawn) →withdrawal n. 撤回;撤出 withdraw sb/sth from sth 把……从……撤回 withdraw to sth 退入;撤退到 withdraw money from 从……取钱 例如:They have withdrawn to a safer area. 他们已经撤退到更为安全的地带。 翻译:后来部长收回了自己的言论。 The minister withdrew his statement later. 5. bond n. 纽带;联系;契约;债券 v. (使) 结合;建立感情联系;粘合 a bond of friendship/trust/love 友谊/信任/爱的纽带 the bond between... and... ……与……间的纽带/关系 strengthen/weaken a bond 加强/削弱某种联系 bond with sb 与……建立亲密关系 翻译:许多水手都感到自己与大海有着深厚的情感纽带。 Many sailors feel a deep bond with the sea. 6. politics n. 政治;政治学;政治主张;政治事务→ political a. 政治的;从政的;政党的→politically ad. 政治上;从政治角度看;→politician n. 政治家;政客 例如:Politics is his main subject at university, he aims to be a politician (politics). 7. profession n. 职业;行业→ professor n. 教授;→ professional adj. 娴熟的;职业的;专业的;n. 专业人士 The expedition team consists of professionals (profession) such as marine biologists, experienced sailors, and doctors. 8. mixture n. 混合;结合体;混合物→mix vt. 配制;混淆;使混合 →mixed adj. 混合的;混杂的 a mixture of...……的结合或混合 mix...with/and...把……与……结合/混合 mix with sb与某人交往 mix up混合;掺和;混淆 (1) She carefully mixed the flour with/and water to make a smooth dough. (2) 翻译: 她对这次海外交换项目心情复杂。 She had mixed feelings about the overseas exchange program. 9. coverage n. 覆盖范围;(书,节目,课程的)内容范围,信息范围→cover v. 覆盖;走完;报道;包括;足够支付;n. 盖子,覆盖物,自然植被→covered adj. 覆盖的 例如:A journalist was sent to cover (cover) the conference. Our ship can cover (走完) 300 nautical miles a day under favorable wind conditions. 10. applaud vt&vi. 称赞;鼓掌;赞成→ applause n. 鼓掌;掌声;喝彩 thunderous applause 雷鸣般的掌声 applaud sb for (doing) sth. 因(做)某事称赞某人 例句:We all applaud her for donating most of her savings to charity. 11. migrate vi.(动物)迁徙;洄游;(人)移居;迁移;vt. 迁移;使移居→ migrant n. 移民;迁徙动物 →migratory adj. 迁徙的;移居的 migrate from... to...(从……)迁移到…… Many factories migrate from coastal areas to inland regions to reduce costs. 12. mercy n.仁慈;宽恕;恩惠→merciful adj. 仁慈的;慈悲的;宽容的 → merciless adj. 残忍的;无慈悲心的 show mercy to对……怜悯/宽恕 be merciful to... 对……仁慈 at the mercy of... 任由……摆布 without mercy 无情地 have mercy on/upon... 对……怜悯/宽恕 例如: She was a kind lady and always had mercy on/upon ( 对……怜悯) those who were in trouble. 12. possession n.[usually pl.] 个人财产;拥有;控制→possess vt. 拥有;具有;支配 take possession of (表动作)占有;拥有 in possession of (表状态)具有;拥有 in the possession of 被……拥有;归……所有 be possessed of sth. 具有(某种品质或特征) My lost wallet was found and is now in the possession of (被……拥有) the lost and found department. 13. opponent n. 对手;反对者;→ oppose v. 反对 → opposition n. 反对;对抗 →opposite adj. 相对的;→ opposed adj. 反对的 be opposed to doing sth. 反对…… oppose doing sth.反对…… 翻译:他指责对手在竞选活动中使诡计。 He accused his opponent of playing the tricks during the campaign. 二、重点句型 1. In ancient times, silk from China found its way overland to India, the Middle East, and Rome, along what became known as the Silk Road. 结构:what 引导名词性从句 用法:what 引导的名词性从句是高中英语核心语法点,它在从句中必须充当主语、宾语或表语,且不能省略;what 本身含 “the thing(s) that/which” 的含义,引导的从句可在主句中作主语、宾语、表语或同位语。 翻译:告诉我你吃什么,我就能知道你是谁。 Tell me what you eat, and I will tell what you are. 2. Over the centuries, further trading allowed more exploration of the regions to the west of China, as recorded in Du Huan’s Record of My Travels in the eighth century. 结构:as引导的非限制性定语从句 用法:此处为省略。as引导的非限制性定语从句, as指代主句整句,as可以作从句主语,宾语和表语,意为“正如”,“就像”,置于主句的前、中、后均可。as作为从句的主语时,通常可用it作形式主语,后接that引导的主语从句或用what引导的主语从句进行转换。常见表达:as is often the case; as is reported; as is known to all, as we all know, etc. The girl won the first prize in the competition, as we all expected. 3. ...there is an urgent need to study the Arctic in order to understand climate change and its effects. 结构:there is a need to do sth 用法:there is a need to do sth,存在句句型,含义是“有必要做某事;需要做某事”,用于表达客观需求或建议,语气正式、书面化,适合写作和议论文中使用。there is no need to do sth没有必要做…… 例句:There is an urgent need to strengthen _(strength) international cooperation to tackle global climate change effectively. 4. ...with the latest technology in hand, the need to trade and the desire to enhance relationships will drive China to reach out across the sea far into the future. 结构:with sth +宾语补足语(adj/doing/done/ prep phrase) 用法:“with + 宾语 + 宾语补足语”是英语中常用的介词短语结构,在句中通常作状语(表示伴随、原因、时间、条件、方式等),也可以作定语修饰名词。 翻译:随着问题被解决,科学家们继续他们的研究。 With the problem solved, the scientists continued their research. 5.We need to understand what is happening to our planet so that we can take action. 结构:so that引导目的状语从句 用法: 3  so that +主语+ can/could/may/might +动词原形,引导目的状语从句,意为“为了”、“以便”。 4  so that +主语+动词(陈述语气)引导结果状语从句,意为“结果是”、“以致于”。 翻译:讲座期间你应该做笔记,以便你之后复习。 You should take notes during the lecture so that you can review them later. Unit 3 中英互译默写练习 一、英译汉 1  2  tale __________ 3  merchant __________ 4  set sail ____________ 5  extend ___________ 6  negotiate ___________ 7  fleet _______ 8  behold _________ 9  league __________ 10  in a league of one’s own _________ 11  royal __________ 12  spice ___________ 13  withdraw __________ 14  withdraw from __________ 15  channel __________ 16  maritime _________ 17  bond _________ 18  in hand __________ 19  politics _________ 20  profession ___________ 21  tournament __________ 22  mixture _____________ 23  laptop __________ 24  coverage ____________ 25  press conference _________ 26  applaud ___________ 27  tax __________ 28  manned ___________ 29  submersible ________ 30  underwater __________ 31  capsule __________ 32  coral __________ 33  migration __________ 34  directory __________ 35  meanwhile __________ 36  exploit _________ 37  gallon ___________ 38  murder _________ 39  mercy ___________ 40  possession _________ 41  opponent _________ 42  log _________ 43  marine _________ 44  arrest __________ 二、汉译英 1  2  故事;叙述 __________ 3  商人;批发商;海上货运的 _________ 4  起航;开航 __________ 5  扩展;使伸长;延长 _________ 6  商定;达成(协议);谈判;磋商 ________ 7  舰队;机群;车队 ________ 8  看;看见 _________ 9  等级;水平;联合会;联赛 ________ 10  独领风骚 _________ 11  皇家的;王室的;高贵的 ________ 12  (调味)香料 __________ 13  (使)撤回;撤离 _________ 14  退出;撤回 ___________ 15  航道;海峡;频道 __________ 16  海的;海运的;海事的 __________ 17  纽带;关系;增强信任关系;使牢固结合 __________ 18  在手头;可供使用 __________ 19  政治;政治观点 _________ 20  职业;行业 __________ 21  锦标赛;联赛 _________ 22  混合;结合体;混合物 _________ 23  笔记本电脑;便携式电脑 __________ 24  新闻报道;覆盖范围 __________ 25  记者招待会;新闻发布会 _________ 26  鼓掌;称赞;赞赏 __________ 27  对……征税;使纳税;税;税款 _________ 28  有人控制的;需人操纵的 ________ 29  潜水器;可潜船 __________ 30  在水下;水下的 ___________ 31  胶囊;太空舱 _________ 32  珊瑚 ____________ 33  迁移;迁徙;移居 _________ 34  名录;电话号码簿;(计算机)目录 __________ 35  与此同时;对比之下 _________ 36  开发;利用;剥削 __________ 37  加仑(容积单位) _________ 38  谋杀;凶杀;毁坏 _________ 39  仁慈;宽恕;恩惠 __________ 40  个人财产;拥有;控制 __________ 41  反对者;对手;竞争者 _________ 42  把……载入正式记录;记录;正式记录;日志;原木 ________ 43  海的;海产的;海生的 ________ 44  逮捕;拘留;中止 _________ 英译汉答案 1  2  故事;叙述 3  商人;批发商;海上货运的 4  起航;开航 5  扩展;使伸长;延长 6  商定;达成(协议);谈判,磋商 7  舰队;机群;车队 8  看;看见 9  等级;水平;联合会;联赛 10  独领风骚 11  皇家的;王室的;高贵的 12  (调味)香料 13  (使)撤回;撤离 14  退出;撤回 15  航道;海峡;频道 16  海的;海运的;海事的 17  纽带;关系;增强信任关系;使牢固结合 18  在手头;可供使用 19  政治;政治观点 20  职业;行业 21  锦标赛;联赛 22  混合;结合体;混合物 23  笔记本电脑;便携式电脑 24  新闻报道;覆盖范围 25  记者招待会;新闻发布会 26  鼓掌;称赞;赞赏 27  对……征税;使纳税;税,税款 28  有人控制的;需人操纵的 29  潜水器;可潜船 30  在水下;水下的 31  胶囊;太空舱 32  珊瑚 33  迁移;迁徙;移居 34  名录;电话号码簿;(计算机文件或程序的)目录 35  与此同时;(比较两方面)对比之下 36  开发;利用;剥削 37  加仑(容积单位,1英制加仑约等于4.5升) 38  谋杀;凶杀;毁坏 39  仁慈;宽恕;恩惠 40  [通常复数]个人财产;拥有;控制 41  反对者;对手;竞争者 42  把……载入正式记录;记录;正式记录;日志;原木 43  海的;海产的;海生的 44  逮捕;拘留;中止 汉译英答案 1  tale 2  merchant 3  set sail 4  extend 5  negotiate 6  fleet 7  behold 8  league 9  in a league of one’s own 10  royal 11  spice 12  withdraw 13  withdraw from 14  channel 15  maritime 16  bond 17  in hand 18  politics 19  profession 20  tournament 21  mixture 22  laptop 23  coverage 24  press conference 25  applaud 26  tax 27  manned 28  submersible 29  underwater 30  capsule 31  coral 32  migration 33  directory 34  meanwhile 35  exploit 36  gallon 37  murder 38  mercy 39  possession 40  opponent 41  log 42  marine 43  arrest 学科网(北京)股份有限公司 $

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2025-2026学年人教版高中英语选择性必修第四册Unit 3 Sea Exploration核心词汇学案
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2025-2026学年人教版高中英语选择性必修第四册Unit 3 Sea Exploration核心词汇学案
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2025-2026学年人教版高中英语选择性必修第四册Unit 3 Sea Exploration核心词汇学案
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