Unit3 Sea Exploration 重点短语句子知识清单-2025-2026学年高中英语人教版选择性必修第四册

该高中英语“海洋探索”单元知识清单系统梳理了主题相关语言知识与技能体系。从听说模块的海洋活动短语及顺序表达入手，衔接阅读思考的海洋探索历史与文化交流内容，进而聚焦语法模块的不定式功能，再到写作模块的议论文结构与PEEL方法，结合项目制作海报及视频拓展，形成从语言输入到综合应用的学习支架。 知识链路以“海洋探索”为主题整合语言知识与文化内涵，逻辑清晰。郑和航海等内容渗透文化意识，不定式语法示例提升语言能力，PEEL写作法培养思维品质。含视频资源辅助理解，项目实践与反思环节强化学习能力，助力学生构建主题化语言运用体系。

Unit 3 SEA EXPLORATION 重点短语句子知识清单 Listening and Speaking Listening and Speaking 短语： 短语： whale watching camp 观鲸营地 listen for sequence 听顺序词 shark expert 鲨鱼专家 express sequence 表达顺序 marine life 海洋生物 fins of whales 鲸鱼的鳍 research groups 研究小组 句子： 句子： First of all, we attended a lecture about whale protection given by a marine biologist. 首先，我们参加了一位海洋生物学家举办的鲸鱼保护讲座。 After that, we went to the coastal area and observed whales in their natural habitat. 之后，我们前往海岸地区，观察了自然栖息地中的鲸鱼。 Whales use sounds to communicate with each other and navigate in the ocean. 鲸鱼通过声音相互交流并在海洋中导航。 Then we took photos of the whales’ fins to help researchers track their migration routes. 然后我们拍摄了鲸鱼鳍的照片，帮助研究人员追踪它们的迁徙路线。 Finally, we contacted other research groups to share our observation data. 最后，我们联系了其他研究小组，分享了我们的观测数据。 Reading and Thinking Reading and Thinking 短语： 短语： sea exploration 海洋探索 reach out across the sea 跨海交流；海外拓展 Silk Road 丝绸之路 maritime exploration 海上探险 under the command of 在……的指挥下 a sight to behold 蔚为壮观 in a league of one’s own 独领风骚 withdraw from expeditions 退出探险 Belt and Road Initiative “一带一路”倡议 句子： 句子： Trade and curiosity have always been the driving forces behind mankind’s sea exploration. 贸易和好奇心一直是人类海洋探索的驱动力。 Zheng He led seven large fleets to sail across the Indian Ocean between 1405 and 1433. 1405年至1433年间，郑和率领七支庞大船队横渡印度洋。 The fleets under Zheng He’s command brought silk, gold, and spices to foreign countries and brought back rare gifts like giraffes. 郑和指挥的船队将丝绸、黄金和香料带到国外，并带回了长颈鹿等珍稀礼物。 The ancient maritime routes have become important channels for cultural exchange between countries. 古代海上航线已成为各国文化交流的重要渠道。 China’s Belt and Road Initiative encourages cooperation and trade across the historic Silk Road areas. 中国的“一带一路”倡议鼓励沿线地区开展合作与贸易。 Discovering Useful Structures Discovering Useful Structures 短语： 短语： review of the infinitive 不定式复习 infinitive as subject 不定式作主语 infinitive as object 不定式作宾语 infinitive as attributive 不定式作定语 infinitive as adverbial 不定式作状语 infinitive as object complement 不定式作宾语补足语 句子： 句子： To explore the deep sea is one of the most challenging tasks for scientists. 探索深海是科学家们最具挑战性的任务之一。（主语） The UN peacekeeping force aims to maintain peace in the region. 联合国维和部队旨在维护该地区的和平。（宾语） There is an urgent need to study the impact of climate change on marine ecosystems. 迫切需要研究气候变化对海洋生态系统的影响。（定语） She went to the coastal city to learn about marine conservation. 她去沿海城市学习海洋保护知识。（状语） The teacher encouraged us to participate in the sea exploration project. 老师鼓励我们参加海洋探索项目。（宾语补足语） Reading for Writing Reading for Writing 短语： 短语： argumentative essay 议论文 sea exploration 海洋探索 plastic pollution 塑料污染 fossil fuels 化石燃料 marine resources 海洋资源 balance between protection and exploitation 保护与开发的平衡 PEEL method PEEL写作法（观点-证据-解释-衔接） 句子： 句子： Sea exploration is essential for us to understand the planet, but we must balance it with environmental protection. 海洋探索对我们了解地球至关重要，但我们必须在探索与环境保护之间取得平衡。 The Deepwater Horizon oil spill in 2010 caused severe damage to marine life, which warns us of the risks of sea exploitation. 2010年“深水地平线”号石油泄漏事件对海洋生物造成了严重伤害，这警示我们海洋开发存在风险。 Exploring the ocean helps us discover new species and resources, which can contribute to medical and technological progress. 探索海洋帮助我们发现新的物种和资源，这有助于医疗和技术的进步。 Overfishing and plastic pollution have become major threats to the ocean ecosystem, so we must take strict measures to address them. 过度捕捞和塑料污染已成为海洋生态系统的主要威胁，因此我们必须采取严格措施加以解决。 In my opinion, sea exploration should be carried out in a sustainable way to ensure the ocean’s health for future generations. 在我看来，海洋探索应以可持续的方式进行，以确保子孙后代能拥有健康的海洋环境。 Assessing Your Progress & Reflecting Assessing Your Progress & Reflecting 短语： 短语： applaud for 为……鼓掌 opponent in the competition 比赛中的对手 murder case 谋杀案 telephone directory 电话簿 fitness log 健身日志 marine ecosystem 海洋生态系统 句子： 句子： From this unit, I have learnt that the infinitive can function as subject, object, attributive, adverbial, and object complement. 通过本单元，我了解到不定式可以用作主语、宾语、定语、状语和宾语补足语。 Key phrases like “under the command of” and “in a league of one’s own” are very useful when talking about historical sea expeditions. “在……指挥下” “独领风骚”等关键短语在谈论历史海上探险时非常实用。 Reflecting on the unit, I realize that sea exploration has both positive and negative impacts, so we need to make wise choices. 反思本单元，我意识到海洋探索既有积极影响也有消极影响，因此我们需要做出明智的选择。 I can now write an argumentative essay using the PEEL method to express my views on sea exploration. 我现在能运用PEEL写作法写一篇议论文，表达自己对海洋探索的看法。 The most interesting part for me was learning about Zheng He’s voyages, which showed China’s strong maritime power in ancient times. 对我来说最有趣的部分是了解郑和下西洋，这展现了中国古代强大的航海实力。 Project: Create a poster for World Oceans Day Project: Create a poster for World Oceans Day 短语： 短语： World Oceans Day 世界海洋日 create a poster 制作海报 ocean conservation 海洋保护 slogan for the theme 主题标语 beach cleanup activity 海滩清理活动 sustainable seafood 可持续海鲜 marine biodiversity 海洋生物多样性 句子： 句子： Our group’s poster for World Oceans Day focuses on the theme of “Protect Marine Life, Guard Our Blue Home”. 我们小组的世界海洋日海报以“保护海洋生物，守护蓝色家园”为主题。 We designed a catchy slogan: “The ocean gives us life; let’s give it care.” 我们设计了一条朗朗上口的标语：“海洋赋予我们生命，我们给予它关爱。” The poster includes information about beach cleanup activities and ways to reduce plastic waste in daily life. 海报包含了海滩清理活动的信息以及日常生活中减少塑料垃圾的方法。 We also added photos of colorful coral reefs and various marine animals to show the beauty of the ocean. 我们还添加了色彩斑斓的珊瑚礁和各种海洋动物的照片，以展示海洋的美丽。 The purpose of this poster is to raise students’ awareness of ocean protection and encourage them to take action. 这张海报的目的是提高学生的海洋保护意识，鼓励他们采取行动。 Video Time: Deep into the Sea Video Time: Deep into the Sea 短语： 短语： research vessel 研究船 marine research 海洋研究 geological samples 地质样本 Western Pacific Ocean System 西太平洋系统 moving laboratory 移动实验室 句子： 句子： Kexue, China’s advanced research vessel, is regarded as a moving laboratory on the sea. “科学”号是中国先进的研究船，被视为海上移动实验室。 The Faxian vehicle has surveyed more than 3,000 sites and collected a large number of geological samples. “发现”号设备已勘测了3000多个地点，收集了大量地质样本。 IOCAS conducted research on the Western Pacific Ocean System to understand its impact on global climate. 中国科学院海洋研究所对西太平洋系统进行了研究，以了解其对全球气候的影响。 Marine science is crucial for China today because it helps protect marine resources and respond to climate change. 海洋科学如今对中国至关重要，因为它有助于保护海洋资源和应对气候变化。 China’s sea exploration today focuses on scientific research and international cooperation, different from Zheng He’s voyages in ancient times. 中国如今的海洋探索侧重于科学研究和国际合作，与古代郑和下西洋有所不同。 学科网（北京）股份有限公司 $