Unit 3 Sea Exploration Reading and Thinking 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“中国海洋探索发展”核心主题，通过郑和航海案例与海丝博物馆情境导入，以文章类型判断、段落大意匹配、时间线结构分析为学习支架，帮助学生梳理从古代到未来的探索脉络及21世纪海上丝绸之路意义。 其亮点在于融合文化意识与思维品质，通过跨时空角色扮演（郑和与学生对话）、表格对比不同时期探索的时间地区目的等任务，提升语言运用能力。学生能增强家国情怀与跨文化沟通能力，教师可依托结构化资源高效开展教学。

 Unit 3 Sea Exploration Reading and Thinking By the end of class, we can: 1.Identify the essay type; 2.Figure out the development of China’s sea exploration; 3.Understand the significance of the 21st Century Maritime Silk Road. Lead-in Time: __________________ Achievement: _______________________________ the Ming Dynasty Made seven voyages around the Indian Ocean Navigator: __________ Zheng He Lead-in Maritime Silk Road Museum Look at the title and skim the text. What type of essay is it? A. A narrative(叙事性的) essay B. A descriptive(描述性的) essay C. An expository(说明性的) essay D. An argumentative(议论性的) essay Read for the essay type. Tips for identifying essay types ① Narrative : a story with a beginning + middle + end ② Descriptive : a subject + interesting details ③ Expository : factual information on a subject ④ Argumentative : an idea + to convince the reader Para.1 A. China will continue exploring the sea and enhance relationships with other countries. Para.2 B. Travel from east to west began long before Columbus. Para.3 C. In ancient times, China traded with other countries through the Silk Road and sea routes. Para.4 D. In Ming Dynasty, Zheng He’s sea voyages built relations with other countries. Para.5 E. Today, the Maritime Silk Road has encouraged cooperation and strengthened the bonds between China and the rest of the world. Para.6 F. China is also joining with other countries on other important projects. Skim the text and match the main idea with each paragraph. Read for the main idea. 6 How is the text developed? Time in ancient times in the 8th century in Ming Dynasty today in the future Para. 1 Introduction to the topic Para. 2-3 In the past Para. 4-5 At present Para. 6 In the future in recent years Read for the structure. What is introduced in each exploration? Time Region Purpose in ancient times in Ming Dynasty today in the future in recent years Read for details. in ancient times in the Ming Dynasty today in recent years far into the future Time Region Purpose the coasts of the Indian Ocean and Sri Lanka the South China Sea, the Indian Ocean, the mouth of the Red Sea, the east coast of Africa the ancient sea routes travelled by Zheng He, the 21st Century Maritime Silk Road the Arctic 1. to ________ trade deals; 2. be more aware of each other’s _________. to further ________ relations 1. to encourage __________ and trade; 2. to strengthen the ________; 3. to develop the whole area for the benefit of future trade and _______ _______. to trade and ________ relationships to understand _________ _________and its effects Para. 2 Para. 5 Para. 4 Para. 3 Para. 6 negotiate cultures develop cooperation bonds cultural exchange climate change enhance 非洲 Draw the route of Zheng He’s voyage. They set sail from... across... to ..., and then to... The Belt and Road Initiative 11   To reach out across the sea remains a strong desire today. The ancient sea routes travelled by Zheng He are being revisited with the 21st Century Maritime Silk Road，which is part of the Belt and Road Initiative. The aim of this initiative is to encourage cooperation and trade across the historic Silk Road areas, and strengthen the bonds between China and the rest of the world. Trading has grown greatly in recent years, and will continue to do so in years to come. China has invested billions in systems and services along these routes, which will help to greatly develop the whole area for the benefit of future trade and cultural exchange. What bonds(纽带) do you think can be strengthened between China and the rest of the world in the Belt and Road Initiative(一带一路倡议)? What bonds do you think can be strengthened between China and the rest of the world in the Belt and Road Initiative(一带一路倡议)? Role-play Role A : Zheng He Answer your questions or ask you about today’s sea exploration. Role B: You Ask him about his sea voyages or answer his questions. A dialogue across time and space Zheng He’s possible questions: 1. I sailed as far as the east coast of Africa, Where did you sail? 2. What benefits did China get from sea exploration? ...(other questions) Useful expressions： 1. Good morning, I am the student from... 2. Such an honor to have you here. 3. I would like to ask you a question.../I’d like to know.../May I ask... 4. Thank you very much for... 5. I feel a sense of pride/am proud that... Fill in the blanks according to the text. In ancient times, China traded its silk overland with India, the Middle East, and Rome, along 1 became known as the Silk Road. Meanwhile, a trading route across the sea 2 (extend) along the coasts of the Indian Ocean, centred around Ceylon (now Sri Lanka). Here, merchants from China and many other places met 3 (negotiate) trade deals, 4 also led to more awareness of each other’s cultures. Later, the Ming Dynasty 5 (far) developed relations with these regions. Between 1405 and 1433, under the command of Zheng He, seven large fleets sailed west on 6 (voyage) of trade and exploration, 7 (seek) cooperation and friendships between China and other countries. Today, the Belt and Road Initiative 8 (encourage) cooperation and trade across the 9 (history) Silk Road areas, and strengthens the bonds between China and the rest of the world. Hundreds of years on, and with 10 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. what was extended to negotiate which further voyages seeking encourages historic the Self-check Assignment Required: Retell the development of China’s sea exploration. Optional: Read more about China’s sea exploration. 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