Unit 3 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 UNIT 3 SEA EXPLORATION They (oceans) provide a breeding ground for life, connect the world and promote development. --- Xi Jinping 海洋孕育了生命，联通了世界，促进了发展。 ---习近平 The importance/value/ significance of the sea exploration Zheng He’s voyages (Chinese) Columbus’ discovery of a new world (Italian) Magellan’s sail around the world (Portuguese) Do you know any stories about sea exploration? [kə'lʌmbəs] [mə'gelən] [ˌpɔːtʃu'ɡiːz] ['vɔɪɪdʒ] From 1405 to 1433, Zheng He went on seven trips and visited South-East Asia, the Middle East and even the east coast of Africa. 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 Christopher Columbus (1451-1506) made four trips across the Atlantic Ocean from Spain: in 1492, 1493, 1498 and 1502. He was determined to find a direct water route west from Europe to Asia, but he never did. Instead, he stumbled upon(偶然发现) the Americas. 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 Ferdinand Magellan (1480-1521) sailed west from Spain in 1519 across the Atlantic 大西洋and Pacific oceans太平洋 and discovered a route by which ships could sail a complete circle around the world. Reading and Thinking ---Learn about sea exploration(P26) 跨洋越海 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 text type ① A narrative essay is a story with a beginning, middle and end. ② A descriptive essay descirbes a subject and lists interesting details. ③ An expository essay is factual, giving informatin on a subject. ④ An argumentative essay a