Unit3 Sea Exploration Reading and Thinking 课件-2023-2024学年高中英语人教版（2019）选择性必修第四册

Reading and Thinking Unit 03 Sea Exploration To get the key information of China’s sea exploration over time. To analyze the changes of China’s sea exploration vertically and horizontally. To further explore the significance of reaching out across the sea. Learning objectives IMPORTAINT POINT Christopher Columbus Ferdinand Magellan Leading in Marco Polo Zheng He 1.Look at the title and skim the text. Decide what type of essay it is? Four types of essay 1. Narrative : a story with a beginning + middle + end. 2. Descriptive : a subject + interesting details 3. Expository : a subject + factual information 4. Argumentative : an idea + to convince the reader What type of essay is it? Narrative Descriptive Expository Argumentative 6 2. Find the main idea of each paragraph. Para 1 Para 2 Para 3 Para 4 Para 5 Para 6 3. How is the passage developed? 1. sequence 顺序（time sequence时间顺序） 2.process 流程 3.problem and solution 提出问题与解决问题 4.compare and contrast 比较与对比 5.cause and effect 因果关系 6.definition and description 定义与描述 The passage is developed chronologically (time sequence). 3. How is the passage developed? 1. sequence 2.process 3.problem and solution 4.compare and contrast 5.cause and effect 6.definition and description 4. What are the events in each sea exploration in certain time period? And what is the significance? in ancient times in the Ming Dynasty today in recent years far into the future Time Region India, the Middle East, Rome, 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 Belt and Road Area the Arctic unknown Para. 2 Para. 5 Para. 4 Para. 3 Para. 6 more interlocked (相关的，互动的) in ancient times in the Ming Dynasty today in recent years far into the future Time Region Event India, the Middle East, Rome, the co