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“海上探索”主题，涵盖历史探险家、古代海上贸易、现代“一带一路”及探索驱动力等核心内容。课堂导入通过介绍马可·波罗、郑和等探险家建立背景，结合“Predicting”环节提问“reaching out”含义引发思考，阅读部分分结构与细节解析，构建从历史到现代再到未来的学习支架，帮助学生梳理文本脉络。 其亮点在于以对比问题链（如东方与西方探险家时间对比、郑和船队与他国技术对比）培养思维品质，结合“一带一路”倡议强化文化意识，通过小组角色分工（Drawer、Thinker等）提升学习能力。例如分析郑和船队“a sight to behold”等词汇，引导语言理解；关联古代航线与现代倡议，增强家国情怀。学生能提升语言表达与跨文化理解，教师可高效落实核心素养教学。

Book4 Unit3 Sea exploration ----Reading and Thinking map Viewing travelled from Italy to China along the Silk Road between 1271 and 1295 led seven fleets and sailed to the Indian Ocean between 1405 and 1433 discovered the Americas in 1492 made the first voyage around the world in 1519 Do you know these Explorers? Predicting What does “reaching out” mean? Reading (Read for structure & main idea) Fast reading: Divide the passage into 4 parts and find out the main idea with each part. para. 1 para. 2 para. 3 para. 4 para. 5 Part 1 Part 2 Part 3 China’s sea exploration in the past and its influence The Belt and Road Initiative and its effects The expectation for the future sea exploration para. 6 Part 4 The primitive drives of sea exploration Reading (Read Part 1 (Para.1) for the primitive drives) People Drives people of early civilisations European explorers merchants and explorers from the East curiosity trade & curiosity trade & curiosity Why does the author mention Columbus in this paragraph? A. To praise Columbus’ contribution to world navigation B. To explain why European explorers search sea routes C. To show that eastern explorers sailed across the sea earlier Contrast 1: Who reached out earlier? Eastern explorers? Western explorers? Reading (Read Part 2 (Para.2 & 3) for details) Why does the writer link trade with cultural awareness in Para.2? A. To prove that trade caused conflicts. B. To show that trade spread cultures. C. To stress that trade brought wealth. What do "a sight to behold" and "in a league of their own" mean? spectacular unmatched Contrast 2: Whose technology is better? Zheng He’s fleets? other countries’? What effects did China’s reaching out across the sea in the past have on the world? Reading (Read Part3 (Para.4 & 5) for details) Why does the writer specifically mention "invested billions" and "climate change"? To show the significance of China's reaching out across the sea. Contrast 3: Where is China reaching out now? the ancient sea routes? the Arctic? Why does the writer connect Zheng He's ancient routes directly to the Belt and Road Initiative? To show that history inspires today and China’s centuries-old spirit of reaching out across the sea. Reading (Read Part 4 (Para.6) for the expectation) What is the function of the last paragraph? To bring the text full circle and look forward Contrast 4: What remained unchanged from ancient to today? the routes? the technologies？ the need and the desire？ Contrast 1: Eastern explorers vs. Western explorers Contrast 2: Zheng He’s fleets vs. other countries’ Contrast 3: the ancient sea routes vs. the Arctic Contrast 4: routes & technologies vs. need & desire What do you conclude from the contrasts? We reached out across the sea earlier, with the latest technologies, helping the world to connet, understand and develop. Introduction Details Details Conclusion How is the passage organized? General - Specific- General Reading (Read for essay type) 1.What type of essay is it? A. narrative 叙述性的 B. descriptive 描述性的 C. expository 说明性的 D. argumentative 议论性的 General - Specific- General introducing giving concluding the subject detailed the subect information Thinking & Sharing Where do you think China will "reach out" in the future? What role will you play in “reaching out across the sea” in the future? Work in a group of four and take a role in the group. 1. Drawer 2. Thinker 3. Recorder 4. Reporter The Belt and Road Initiative 18 the meaning of "Reaching out" Reaching out = connecting + understanding + developing + ... Ultimately, sharing! Homework Required: 1. Use your worksheet, retell the passage in 80 - 100 words; 2. Complete the exercises on P28 of the textbook. Optional: 1. What if China continued reaching out across the sea after 1433? Write an essay on it. 2. What efforts can we teenagers make to provide our own contribution to the Belt and Road Initiative? THE END Thank you! x264 0.128.2216+688+32 a17ff54 tMod [8-bit@4:2:0 X86] Lavf58.20.100 $