Unit 3 Sea Exploration Reading and Thinking 课件-2022-2023学年高中英语人教版（2019）选择性必修第四册

UNIT 3 SEA EXPLORATION REACHING OUT ACROSS THE SEA 海洋是生命的孕育之地，连接世界，促进发展。 ---习近平 致“2019年中国海洋经济博览会”开幕的贺信 To identify essay types. To summerize the main idea of each paragraph. To assess the significance of sea exploration. The human being is keeping on exploring the great wonders ocean has . 1. What do you think of when you see the photo ? （1）Watch and learn about the Ocean 1.Do you know any stories about sea voyages? 2.Do you know some men for sea voyages? Zheng He was a Chinese admiral(海军上将) and explorer who made seven voyages to the Western Sea. The first voyage started in Yongle three years (1405), and the last voyage ended in Xuande eight years (1433), totaling seven times. Zheng He’s voyages are one of the world navigation feats (航海壮举)in history. Warming up Ferdinand Magellan is a Portuguese navigator and explorer who made the first voyage around the world in 1519. He sailed around South America, discovering the Strait of Magellan, and across the Pacific. Warming up 斐迪南·麦哲伦（西班牙航海家） 麦哲伦海峡 Atlantic Ocean Pacific Ocean Indian Ocean Asia Europe Africa Oceania North America South America Pacific Ocean the Cape of Good Hope the Spice Islands Spain Christopher Columbus was an Italian explorer whose journeys kicked off centuries of exploration and exploitation on the American continents. He discovered a new world in 1492. Warming up Atlantic Ocean Pacific Ocean Indian Ocean Asia Europe Africa Oceania North America South America Pacific Ocean the Cape of Good Hope the Spice Islands India Americas Spain （2）What are the purposes of the sea exploration? Prediction Look at the title, and the picture below, discuss the questions 1. What does “reaching out across the sea”mean? 2.What do you think this text about? 3.What do you want to know about the topic? Read for main idea. Para.1　 A. China will continue to explore the sea and enhance relationships with other countries. Para.2 B. Travel